УСТРОЙСТВО И СПОСОБ РЕГУЛИРОВАНИЯ ТЕМПЕРАТУРЫ БАТАРЕИ ГИБРИДНОГО ЭЛЕКТРИЧЕСКОГО ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к регулированию температуры батареи гибридного транспортного средства. Способ регулирования температуры тяговой батареи гибридного транспортного средства с двигателем внутреннего сгорания и электродвигателем включает обеспечение первого контура регулирования температуры для двигателя внутреннего сгорания; обеспечение второго контура регулирования температуры для тяговой батареи; осуществление нагрева тяговой батареи нагревателем, установленным во втором контуре регулирования температуры последовательно с насосом, радиатором и тяговой батареей. Дополнительно способ содержит этап передачи электрической мощности в нагреватель через преобразователь в первом контуре регулирования температуры от электродвигателя, когда температура батареи ниже заданного диапазона. Система для реализации способа содержит два контура регулирования температуры. Нагреватель первого контура является частью второго контура. Нагреватель обеспечивается электрической мощностью через преобразователь ...

УСТРОЙСТВО, ВКЛЮЧАЮЩЕЕ В СЕБЯ ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ, ИСПОЛЬЗОВАНИЕ ТАКОГО УСТРОЙСТВА, А ТАКЖЕ ТРАНСПОРТНОЕ СРЕДСТВО

Изобретение относится к устройству, включающему в себя двигатель внутреннего сгорания с поршнем, который имеет возможность свободного механического перемещения в корпусе. Устройство приспособлено для обеспечения возможности сгорания топливной смеси, чтобы создавать силу, толкающую поршень. Устройство включает в себя преобразователь электромагнитной энергии и внешнюю цепь тока, которая соединена с преобразователем энергии для обмена воздействием в направлении преобразователя энергии и от него. Блок управления приспособлен для управления направлением воздействия, обмен которым происходит между преобразователем энергии и внешней цепью тока в течение работы устройства. Изобретение также относится к использованию такого устройства для вырабатывания электрической энергии и к транспортному средству с таким устройством. Изобретение обеспечивает высокий коэффициент полезного действия. 2 н. и 25 з.п. ф-лы, 8 ил.

ЭЛЕКТРИЧЕСКАЯ СХЕМА ТРАНСПОРТНОГО СРЕДСТВА, В ЧАСТНОСТИ РЕЛЬСОВОГО ТРАНСПОРТНОГО СРЕДСТВА

Группа изобретений относится к электрическим тяговым системам транспортных средств. Электрическая схема транспортного средства (10) включает в себя сторону (20) входа для проведения предоставленного энергопитающей сетью (12) сетевого напряжения (V) и сторону (24) потребления, соотнесенную с потребителем (25) энергоснабжения в транспортном средстве. Электрическая схема содержит блок (26) преобразования напряжения для обеспечения потребителя (25) напряжением (V) на стороне (24) потребления. Блок (26) преобразования включает в себя первую секцию (28h) с рабочим потенциалом (V), вторую секцию (28t) с рабочим потенциалом (V) и секцию (36) переноса зарядов, предназначенную для перемещения зарядов от первой секции (28h) во вторую (28t). Секция (36) переноса зарядов включает элемент (38), связанный с парой секций (28h, 28t) и блок (40) коммутации, предназначенный для цикличного переключения элемента (38) между секциями (28h, 28t). Средство (46) задает вместе с элементом (38) секции (36) переноса ...

СПОСОБ УПРАВЛЕНИЯ ГИБРИДНОЙ СИЛОВОЙ УСТАНОВКОЙ ТРАНСПОРТНОГО СРЕДСТВА И ТРАНСПОРТНОЕ СРЕДСТВО

Изобретение относится к транспортным средствам. Способ управления гибридной силовой установкой транспортного средства, имеющего двигатель и избирательно подключаемые при помощи преобразователя постоянного тока в постоянный высоковольтную и низковольтную системы электроснабжения, содержит этапы, на которых определяют, целесообразно ли выполнить автоматическую остановку двигателя для уменьшения расхода топлива. Если осуществлять остановку двигателя целесообразно, то останавливают двигатель и используют низковольтную аккумуляторную батарею, формирующую часть низковольтной системы электроснабжения, для подачи питания на одну или несколько низковольтных нагрузок во время автоматической остановки двигателя вне зависимости от состояния заряда высоковольтной аккумуляторной батареи, формирующей часть высоковольтной системы электроснабжения. Уменьшается расход топлива. 2 н. и 11 з.п. ф-лы, 2 ил.

ЭЛЕКТРИЧЕСКОЕ ТРАНСПОРТНОЕ СРЕДСТВО И СООТВЕТСТВУЮЩАЯ ТРАНСПОРТНАЯ СИСТЕМА

Изобретение относится к электрическому транспортному средству, содержащему электрический двигатель и бортовые средства накопления энергии, электрически соединенные с двигателем, для питания указанного двигателя электрической энергией. Средства накопления энергии содержат: первый модуль накопления энергии, содержащий по меньшей мере один суперконденсатор, и второй модуль накопления энергии, содержащий по меньшей мере одну батарею. Модули накопления энергии расположены на параллельных электрических ветвях. Транспортное средство содержит средства внутреннего соединения, расположенные между средствами накопления энергии и двигателем, выполненные с возможностью электрического соединения двух электрических ветвей с двигателем и конфигурированные таким образом, чтобы разом соединять с двигателем только одну из двух ветвей. Транспортная система содержит по меньшей мере одно транспортное средство и по меньшей мере одну остановку для подзарядки транспортного средства. Достигается увеличение зарядки ...

БЛОК УПРАВЛЕНИЯ ИСТОЧНИКОМ ЭЛЕКТРОПИТАНИЯ

Изобретение относится к электрическим тяговым системам транспортных средств. Блок управления источником электропитания содержит понижающий преобразователь DC/DC и повышающий преобразователь. Причем повышающий преобразователь содержит дроссель и конденсатор. Дроссель и понижающий преобразователь DC/DC закреплены на корпусе бортового устройства, причем дроссель и понижающий преобразователь DC/DC уложены один на другой. Конденсатор размещен вблизи с дросселем или понижающим преобразователем DC/DC по отношению к направлению, в котором дроссель и понижающий преобразователь DC/DC уложены один на другой. Конденсатор и понижающий преобразователь DC/DC или дроссель скреплены друг с другом посредством шины, причем шина выполнена с возможностью электрически соединять вывод конденсатора с выводом понижающего преобразователя DC/DC или дросселя. Блок управления преобразует мощность постоянного тока в мощность переменного тока и подает преобразованную мощность на электродвигатель. Блок управления источником ...

АККУМУЛЯТОРНАЯ СИСТЕМА

Изобретение относится к транспортным средствам. Аккумуляторная система с установленным в транспортном средстве аккумулятором, перезаряжаемым внешней электрической энергией, содержит механизм определения мощности от внешнего источника электрической энергии; зарядный механизм аккумулятора; механизм повышения температуры аккумулятора и блок управления зарядным механизмом и механизмом повышения температуры. В режиме малой мощности блок управления запрещает повышение температуры аккумулятора при уровне его заряженности ниже эталонного значения зарядки и заставляет зарядный механизм заряжать аккумулятор. Зарядный механизм заряжает аккумулятор до тех пор, пока уровень его зарядки не достигнет значения для прекращения зарядки, а затем, если температура аккумулятора ниже эталонной температуры, начинает повышать температуру. Если в процессе повышения температуры уровень заряженности аккумулятора понижается до уровня ниже эталонного значения, останавливают повышение температуры и аккумулятор заряжается ...

УСТРОЙСТВО ЭЛЕКТРОПИТАНИЯ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к устройству электропитания ТС. Устройство электропитания транспортного средства содержит батарею; терминал внешнего вывода для снабжения внешнего устройства электропитанием, выводимым из батареи. Во включенном состоянии переключателя внешнего вывода электропитание подается из батареи к терминалу внешнего вывода, а в выключенном состоянии подача электропитания к терминалу остановлена. Когда транспортное средство переходит из включенного режима с генерируемой движущей силой в выключенный режим, блок управления переключателем устанавливает переключатель внешнего вывода в выключенное состояние одновременно с переходом. Когда транспортное средство переходит из включенного режима без генерируемой движущей силы в выключенный режим, блок управления переключателем поддерживает включенное состояние переключателя внешнего вывода. Предотвращается потребление энергии в батарее. 2 н. и 4 з.п. ф-лы, 6 ил.

ОХЛАЖДАЮЩАЯ СТРУКТУРА ДЛЯ ВЫСОКОВОЛЬТНЫХ ЭЛЕКТРИЧЕСКИХ ЧАСТЕЙ ТРАНСПОРТНОГО СРЕДСТВА

Изобретения относятся к области транспортного машиностроения. Охлаждающая структура для высоковольтных электрических частей транспортного средства, расположенная за задним сиденьем, содержит канал впуска воздуха и охлаждающий вентилятор. Канал впуска воздуха имеет воздушное впускное отверстие, которое расположено выше подушки заднего сиденья. Канал соединен с высоковольтными электрическими частями для подачи воздуха изнутри пассажирского отделения к высоковольтным электрическим частям. Охлаждающий вентилятор осуществляет протекание охлаждающего воздуха через канал впуска воздуха. Участок отверстия для забора воздуха изнутри пассажирского отделения в канал впуска вбздуха формируется в боковой части спинки сиденья. Боковая часть спинки сиденья простирается наружу в поперечном направлении от главной части спинки заднего сиденья. Нижняя конечная часть участка отверстия расположена выше на 30 мм или более, чем подлокотник, который расположен на обшивке двери. По второму варианту, охлаждающая ...

УСТРОЙСТВО УПРАВЛЕНИЯ ПОДАЧЕЙ ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ И СПОСОБ УПРАВЛЕНИЯ ПОДАЧЕЙ ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ

... 1. Устройство управления подачей электрической энергии для устройства подачи электрической энергии, включающего в себя множество аккумуляторных батарей и генератор электрической энергии, выполняющий зарядку множества аккумуляторных батарей, причем устройство управления подачей электрической энергии управляет параллельным соединением между множеством аккумуляторных батарей, содержащее:- модуль сравнения напряжения, выполняющий сравнение между выходными напряжениями множества аккумуляторных батарей;- модуль регулирования напряжения, выполняющий регулирование напряжения посредством одного из a) обработки зарядки посредством подачи электрической энергии из генератора электрической энергии в аккумуляторную батарею, имеющую наименьшее выходное напряжение из множества аккумуляторных батарей, подлежащих сравнению посредством модуля сравнения напряжения, и b) обработки разрядки посредством подачи электрической энергии из аккумуляторной батареи, имеющей наибольшее выходное напряжение из множества ...

СИСТЕМА ИСТОЧНИКА ЭЛЕКТРИЧЕСКОЙ МОЩНОСТИ ДЛЯ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к системе источника электрической мощности для транспортного средства, которое содержит высоковольтный аккумулятор, а также первую, вторую и третью конструкции источников электрической мощности, выполненных с возможностью снабжаться электрической мощностью от высоковольтного аккумулятора. Первая конструкция источника электрической мощности соединена с первой нагрузкой, которая включает в себя систему автоматического вождения, первый DCDC-преобразователь и первый аккумулятор. Вторая конструкция источника электрической мощности соединена со второй нагрузкой, включающей в себя электронный блок управления рулевого управления, электронный блок управления тормоза, второй DCDC-преобразователь, второй аккумулятор и блок обмена информацией, выполненный с возможностью обмена управляющей информацией с системой автоматического вождения. Третья конструкция источника электрической мощности соединена с третьей нагрузкой, включающей в себя электронный блок управления рулевого управления ...

УСТРОЙСТВО ЭЛЕКТРИЧЕСКОГО ПИТАНИЯ

Изобретение относится к устройству электрического питания, устанавливаемому на транспортное средство. Устройство электрического питания содержит: высоковольтный аккумулятор, низковольтный аккумулятор и блок управления. Выходное напряжение низковольтного аккумулятора ниже выходного напряжения высоковольтного аккумулятора. Низковольтный аккумулятор может заряжаться за счет энергии, подаваемой с высоковольтного аккумулятора. Блок управления выполнен с возможностью управления зарядкой/разрядкой высоковольтного аккумулятора и низковольтного аккумулятора. Блок управления выполняет управление подачей электропитания для того, чтобы высоковольтный аккумулятор мог подавать электропитание на предварительно определенное устройство в транспортном средстве, в то время, когда потребляемая мощность выше, чем предварительно определенное значение мощности, в состоянии, когда главный выключатель транспортного средства не включен. Достигается создание устройства электрического питания, которое препятствует ...

АККУМУЛЯТОРНАЯ СИСТЕМА

ТРАНСПОРТНОЕ СРЕДСТВО И СПОСОБ КОМПОНОВКИ САМОРАЗРЯДНОГО НЕЙТРАЛИЗАТОРА СТАТИЧЕСКОГО ЭЛЕКТРИЧЕСТВА ДЛЯ ТРАНСПОРТНОГО СРЕДСТВА

СПОСОБ И УСТРОЙСТВО УПРАВЛЕНИЯ МОЩНОСТЬЮ, ДОСТУПНОЙ В ЦЕПИ ЭЛЕКТРИЧЕСКОЙ ТЯГИ ГИБРИДНОГО СИЛОВОГО АГРЕГАТА

УСТРОЙСТВО И СПОСОБ РЕГУЛИРОВАНИЯ ТЕМПЕРАТУРЫ БАТАРЕИ ГИБРИДНОГО ЭЛЕКТРИЧЕСКОГО ТРАНСПОРТНОГО СРЕДСТВА

... 1. Способ регулирования температуры тяговой батареи гибридного транспортного средства, которое содержит двигатель внутреннего сгорания и электродвигатель для обеспечения тяговой мощности, причем способ включает:а) обеспечение первого контура регулирования температуры для двигателя внутреннего сгорания;б) обеспечение второго контура регулирования температуры для тяговой батареи;в) осуществление нагрева тяговой батареи электрическим нагревателем, установленным во втором контуре регулирования температуры последовательно с насосом, радиатором и тяговой батареей,отличающийся тем, что он дополнительно включает:г) передачу электрической мощности в нагреватель через преобразователь ПОСТ./ПОСТ. во втором контуре регулирования температуры от электродвигателя, который может приводиться двигателем внутреннего сгорания, когда температура батареи ниже заданного диапазона температур.2. Способ по п.1, дополнительно включающий:д) использование батареи для обеспечения тяговой мощности только в том случае ...

СОКРАЩЕНИЕ ПИКОВОГО ПОТРЕБЛЕНИЯ ЭНЕРГИИ В ШАХТНЫХ ТРАНСПОРТНЫХ ВАГОНЕТКАХ, ИСПОЛЬЗУЮЩИХ БОРТОВУЮ СИСТЕМУ АККУМУЛИРОВАНИЯ ЭНЕРГИИ

... 1. Способ для подачи электрической мощности на электрический мотор на транспортном средстве, причем электрический мотор работает в по меньшей мере одном интервале движения и в по меньшей мере одном интервале торможения, причем способ содержит этапызарядки бортовой системы аккумулирования электроэнергии электрической мощностью от электрического мотора в течение по меньшей мере одного интервала торможения; иподачи электрической мощности на электрический мотор в течение по меньшей мере одного интервала движения с использованием электрической мощности от бортовой системы аккумулирования электроэнергии и системы питания от контактного провода.2. Способ по п.1, в котором этап подачи электрической мощности на электрический мотор включает этап:подачи электрической мощности на электрический мотор в течение по меньшей мере одного интервала движения с использованием электрической мощности одновременно от бортовой системы аккумулирования электроэнергии и от системы питания от контактного провода.3.

УСТРОЙСТВО ПРЕОБРАЗОВАНИЯ ЭНЕРГИИ ДЛЯ СИЛОВОЙ УСТАНОВКИ ТРАНСПОРТНОГО СРЕДСТВА С ЭЛЕКТРОДВИГАТЕЛЕМ

... 1. Устройство преобразования энергии для силовой установки транспортного средства с электродвигателем, содержащее:- первый блок преобразования энергии, который преобразует ввод напряжения из внешнего источника питания в требуемый постоянный ток и выводит этот постоянный ток, и сконфигурирован с возможностью допускать выполнение рекуперации энергии с выходной стороны к стороне внешнего источника питания;- второй блок преобразования энергии, который подключен к выходной стороне первого блока преобразования энергии и приводит в действие нагрузку;- блок накопления энергии, который подключен к выходной стороне первого блока преобразования энергии и включает в себя элемент накопления энергии; и- первый блок управления, который генерирует первую команду управления электрической величиной, которая является командой для электрического тока или электроэнергии, проходящей через первый блок преобразования энергии, и управляет электрическим током или электроэнергией блока накопления энергии на основе ...

СИСТЕМА ЗАРЯДКИ АККУМУЛЯТОРНЫХ БАТАРЕЙ ДЛЯ ГИБРИДНОГО ЭЛЕКТРИЧЕСКОГО ТРАНСПОРТНОГО СРЕДСТВА

... 1. Система зарядки аккумуляторных батарей для гибридного электрического транспортного средства, содержащая; высоковольтную батарею (103) для обеспечения электроэнергией тягового двигателя (110) транспортного средства; генератор (102) для зарядки высоковольтной батареи; преобразователь (104) напряжения для преобразования высокого напряжения постоянного тока в низкое напряжение постоянного тока; низковольтную батарею (106), которая заряжается током низкого напряжения через преобразователь напряжения; и зарядный генератор (112) с приводом от двигательной установки (101), подсоединенный к низковольтной батарее параллельно с преобразователем напряжения; отличающаяся тем, что в ней используется блок управления, в котором обеспечивается возможность измерения по меньшей мере одного из следующих параметров:состояния заряда высоковольтной батареи;потока энергии от генератора в высоковольтную батарею и/или от высоковольтной батареи в тяговый двигатель транспортного средства,причем блок управления ...

СПОСОБЫ И СИСТЕМЫ УЛУЧШЕННОГО КОНТРОЛЯ СКОРОСТИ ДВИГАТЕЛЯ ПРИ ЗАПУСКЕ ДВИГАТЕЛЯ

... 1. Система контроля скорости двигателя при запуске двигателя, содержащая:двигатель;первый аккумулятор, электрически соединенный со стартером двигателя при запуске двигателя;генератор переменного тока, механически соединенный с двигателем, при этом генератор переменного тока имеет цепь возбуждения индукторной катушки, которая электрически демпфируется от первого аккумулятора при запуске двигателя, причем цепь возбуждения индукторной катушки при запуске двигателя электрически соединен с источником энергии отличным от первого аккумулятора; иконтроллер для изменения напряженности магнитного поля, создаваемого индукторной катушкой посредством регулировки входа цепи возбуждения индукторной катушки.2. Система по п.1, отличающаяся тем, что источник энергии представляет собой второй аккумулятор.3. Система по п.1, отличающаяся тем, что источник энергии представляет собой преобразователь постоянного тока в постоянный, и при этом преобразователь постоянного тока в постоянный электрически демпфирует ...

СИСТЕМА ТРАНСПОРТНОГО СРЕДСТВА (ВАРИАНТЫ)

ПЛАВНО РЕГУЛИРУЕМЫЙ ДИНАМИЧЕСКИЙ ТОРМОЗ ДЛЯ ЛОКОМОТИВА

... 1. Система (200) привода от тягового электродвигателя, содержащая:подсистему (202) обмотки возбуждения, содержащую обмотки (105) возбуждения, соединенные с тяговым электродвигателем (103); иподсистему (201) ротора, включенную параллельно с подсистемой (202) обмотки возбуждения и содержащую:ротор (104), содержащий первый и второй выводы ротора;сеточное сопротивление (211), выполненное с возможностью избирательного электрического последовательного подключения к ротору (104); ипрерыватель (212) ротора, включенный параллельно с сеточным сопротивлением (211) и электрически последовательно соединенный с ротором (104), причем когда сеточное сопротивление (211) электрически соединено с ротором (104), то инициируется возможность условной подачи тока в ротор (104).2. Система по п. 1, в которой прерыватель (212) ротора выполнен с возможностью подачи тока на основе скорости вращения ротора (104).3. Система по п. 1, в которой, по меньшей мере, один прерыватель (212) ротора содержит переключаемое устройство ...

Stromversorgungseinheit für elektrische Fahrzeuge

FAHRZEUGMONTIERTE SIGNALGENERATORSCHALTUNG UND FAHRZEUGMONTIERTE STROMVERSORGUNGSEINRICHTUNG

Es wird eine Lehre vorgestellt, gemäß welcher eine Periodendauer eines PWM-Signals geändert werden kann und ein Tastverhältnis eines PWM-Signals näher an ein Solltastverhältnis gebracht werden kann.Wenn in einer Signalgeneratorschaltung 1 eine Ein-Zeit, die auf einem idealen Tastverhältnis D1, das ein Wert ist, in welchem ein durch die Solltastverhältnis-Festlegeinheit 102 festgelegtes Solltastverhältnis Da widergespiegelt ist, und auf einem durch eine Periodendauer-Festlegeinheit 105 festgelegte Periodendauer-Festlegwert Ts basiert, als eine erste Ein-Zeit ty1 festgelegt ist und ein Wert, der basierend auf einer vorbestimmten Auflösung aus mehreren potenziellen Festlegwerten ausgewählt ist und der ersten Ein-Zeit ty1 am nächsten liegt, als eine zweite Ein-Zeit ty2 festgelegt ist, erzeugt eine Ausgangstastverhältnis-Festlegeinheit 104 einen Periodendauer-Anpasswert derart, dass ein angepasstes Verhältnis (ein Verhältnis der zweiten Ein-Zeit ty2 zu dem Periodendauer-Anpasswert, der durch ...

Fahrzeug mit Wechselstromabnehmer

Ein elektrisches System 1 für ein Motorfahrzeug und ein Verfahren zum Steuern des elektrischen Systems. Das elektrische System 1 umfasst eine elektrische Maschine 13, eine Batterie 2 zur Stromversorgung der elektrischen Maschine 13, zumindest einen Ladeverbinder 7, der mit einer Wechselstromverbindung zur Verbindung mit einer externen Ladestation 20 versehen ist, und einen ersten Umrichter 4, der konfiguriert ist, um Wechselstrom aus dem zumindest einen Ladeverbinder 7 zu empfangen, um den Wechselstrom in Gleichstrom umzuwandeln, und um den Gleichstrom der Batterie 2 während eines Ladevorgangs zuzuführen. Der zumindest eine Wechselstromabnehmer 5, 6 ist zwischen dem Ladeverbinder 7 und der Wechselstromseite des ersten Umrichters 4 angeordnet, wobei in einem ersten Betriebsmodus das elektrische System Wechselstrom mittels des Ladeverbinders 7 empfängt und Wechselstrom direkt dem zumindest einen Wechselstromabnehmer zuführt. In weiteren Betriebsmodi wird der erste Umrichter verwendet, um ...

Schutzvorrichtung und Verfahren zur Absicherung eines Hochvoltnetzes sowie elektrisches Antriebssystem

Die Erfindung betrifft die Absicherung eines Hochvoltnetzes, welches von einer elektrischen Energiequelle, wie zum Beispiel einer Traktionsbatterie eines Elektrofahrzeugs gespeist wird. Hierzu ist es vorgesehen, in einem Überwachungsstromkreis, wie zum Beispiel einem Hochvolt-Interlock, ein oder mehrere zusätzliche Temperatursicherungen anzuordnen, welche beim Überschreiten einer Temperatur den Überwachungsstromkreis unterbrechen und somit eine Trennung zwischen dem Hochvoltnetz und der speisenden Hochvoltbatterie initiieren.

Auslagerung der Parameteridentifikation durch die Verwendung von Cloud Computing-Ressourcen

Ein Fahrzeug kann Batteriezellen einer Batterie und mindestens ein Steuergerät aufweisen, welches dafür konfiguriert ist, das Fahrzeug aufgrund einer Zustandsbeobachtung in Zusammenhang mit der Batterie gemäß Batteriemodellparametern für die Zellen, welche von einer fahrzeugexternen Rechenvorrichtung empfangen werden und die eine Rückmeldung auf Messungen in Bezug auf ein Batteriemodell der Zellen sind, welche an die Rechenvorrichtung gesendet werden, zu steuern.

Verfahren zum Betrieb eines batteriebetriebenen Elektrofahrzeugs sowie batteriebetriebenes Elektrofahrzeug zur Durchführung des Verfahrens

Die Erfindung betrifft ein Verfahren zum Betrieb eines batteriebetriebenen Elektrofahrzeugs (BEV), bei dem der Antrieb des Elektrofahrzeugs (BEV) ausschließlich durch einen von einer Hochvoltbatterie (2) gespeisten Elektromotor (1) erzeugt wird. Wenigstens ein Gleichspannungswandler (3) wird zur Wandlung einer Hochspannung der Hochvoltbatterie (2) in eine für eine Niedervoltbatterie (4) geeignete Niederspannung genutzt.Die Erfindung ist dadurch gekennzeichnet, dass bei einer bestehenden elektrischen Verbindung der Hochvoltbatterie (2) mit einem Hochvoltnetz (HV) des Elektrofahrzeugs (BEV), zumindest jedoch im normalen Fahrbetrieb des Elektrofahrzeugs (BEV) elektrische Verbraucher (9, 10, 11) eines Niedervoltnetzes (NV) des Elektrofahrzeugs (BEV) ausschließlich oder zumindest überwiegend durch eine gespeicherte elektrische Energie der Niedervoltbatterie (4) versorgt werden und dadurch die Niedervoltbatterie (4) zumindest zu einem Teil entladen wird.

Fahrzeug und Steuerungsverfahren für das Fahrzeug

Ein Fahrzeug (100) weist eine Maschine (160), einen Elektromotor (130, 135), eine elektrische Speichervorrichtung (110) und eine Steuerungseinrichtung (300) auf. Der Elektromotor (130, 135) erzeugt elektrische Leistung durch Verwendung einer Antriebskraft der Maschine (160). Die Steuerungseinrichtung (300) steuert die Zufuhr von elektrischer Leistung, die elektrische Leistung, die von dem Elektromotor (130, 135) erzeugt wird, und/oder elektrische Leistung ist, die in der elektrischen Speichervorrichtung (110) gespeichert ist, nach außerhalb des Fahrzeugs. Die Steuerungseinrichtung (300) wählt auf der Grundlage einer durch einen Anwender durchgeführten Einstellung aus, ob die Erzeugung von elektrischer Leistung durch Verwendung der Antriebskraft der Maschine (160) zuzulassen oder zu unterbinden ist.

Hybridfahrzeug, Steuerungsverfahren für Hybridfahrzeug, und Steuerung für Hybridfahrzeug

Ein Hybridfahrzeug beinhaltet eine Brennkraftmaschine, eine Rotations-Elektromaschine, eine elektrische Speichereinheit, eine Energieversorgungseinheit und eine Steuerung. Die Steuerung führt eine Umschaltsteuerung aus, um von einer ersten elektrischen Energieversorgung auf eine zweite elektrische Energieversorgung umzuschalten, indem die Brennkraftmaschine gestartet wird. Die erste elektrische Energieversorgung ist die Zufuhr an elektrischer Energie von der elektrischen Speichereinheit zu der elektrischen Einheit. Die zweite elektrische Energieversorgung ist die Zufuhr an elektrischer Energie von der Rotations-Elektromaschine zu der elektrischen Einheit. Die Steuerung steuert die Energieversorgungseinheit und die Brennkraftmaschine so, dass die Brennkraftmaschine gestartet wird, während die erste elektrische Energieversorgung während der Umschaltsteuerung fortgeführt wird.

Schaltnetzteil, Fahrzeug und Steuerverfahren

Ein Schaltnetzteil (100; 200; 300) gemäß einer Ausführungsform der vorliegenden Offenbarung enthält: Netzteilkreise (1a, 1b; 1a, 1b, 1c), entsprechend Phasen einer mehrphasigen Wechselspannungsversorgung (10b; 10c) als externer Spannungsversorgung; einen Schalterkreis (7; 7, 7a), ausgelegt, ein Anschlussziel eines weiteren Netzteilkreises unter den Netzteilkreisen (1a, 1b; 1a, 1b, 1c), der ein anderer ist als ein bestimmter Netzteilkreis, der einer bestimmten Phase der externen Spannungsversorgung entspricht, auf eine dem anderen Netzteilkreis entsprechende Phase oder die bestimmte Phase zu schalten; und eine Steuereinheit (17), ausgelegt, an jede Phase der an das Schaltnetzteil angeschlossenen externen Spannungsversorgung den anderen Netzteilkreis anzuschließen, der der Phase entspricht, und den anderen Netzteilkreis überschüssig an die bestimmte Phase anzuschließen, wenn die Anzahl von Phasen der externen Spannungsversorgung kleiner ist als die Anzahl der Netzteilkreise (1a, 1b; 1a, 1b ...

Spannungsumwandlungsvorrichtung und Fahrzeug

Spannungsumwandlungsvorrichtung, die eine Steuerungseinheit aufweist, die einen Spannungsumwandler steuert, der in Kombination mit einem Wechselrichter (60) verwendet wird, wobei die Steuerungseinheit folgende Merkmale aufweist: eine Erfassungseinrichtung (SE) zum Erfassen eines Stroms, der durch den Spannungsumwandler gelangt; und Korrektureinrichtungen (31-39), die als Reaktion auf ein Ausgangsignal in Betrieb gehen, das von der Erfassungseinrichtung (SE) zum Korrigieren einer relativen Einschaltdauer empfangen wird, die ermöglicht, dass der Spannungsumwandler eine Schaltvorrichtung ein- und ausschalten kann.

Wandlereinrichtung und Verfahren für ein Bordnetz eines elektrisch betreibbaren Fahrzeugs

Die Erfindung betrifft eine Wandlereinrichtung (100) zum Herabsetzen einer ersten Gleichspannung (12) eines elektrischen Energiespeichers (10) eines elektrisch betreibbaren Fahrzeugs auf eine zweite Gleichspannung (22) eines Bordnetzes (20) des Fahrzeugs. Dabei sind ein erster Ausgang (52) einer ersten Gleichrichtereinheit (50) und ein zweiter Ausgang (64) einer zweiten Gleichrichtereinheit (60) über einen Schalter (70) elektrisch gekoppelt sind, wobei der erste Ausgang (52) der ersten Gleichrichtereinheit (50) und ein erster Ausgang (62) der zweiten Gleichrichtereinheit (60) auf einen ersten Pol (82) eines zweiten Anschlusses (80) und ein zweiter Ausgang (54) der ersten Gleichrichtereinheit (50) und der zweite Ausgang (64) der zweiten Gleichrichtereinheit (60) auf einen zweiten Pol (84) des zweiten Anschlusses (80) schaltbar sind, wenn der Schalter (70) geöffnet ist, und wobei der erste Ausgang (62) auf den ersten Pol (82) und der zweite Ausgang (54) auf den zweiten Pol (84) schaltbar ...

Steuergerät für ein Generatorsystem mit Brennstoffzellen.

DC/DC-Wandler, Onboard-Einheit und Ladevorrichtung

Ein DC/DC-Wandler 1 ist ausgelegt, um eine Trennung einer Primärseiteneinheit 3 von einer Sekundärseiteneinheit 4 eines Transformators 2 zu ermöglichen. Ein Sekundärseitenschaltelement FET 2 ist in der Sekundärseiteneinheit 4 vorgesehen und regelt eine Leistungsversorgung an eine Last 12 durch wiederholtes Unterbrechen eines Ausgangssignals einer Sekundärwicklung L2. Die Primärseiteneinheit 3 erfasst ein elektrisches Verhalten der Primärseite, das durch den wiederholt unterbrechenden Betrieb der Sekundärseite erzeugt wird, und regelt die Leistung, die von der Primärwicklung L1 in die Sekundärwicklung L2 eingespeist wird, durch Ausführen des wiederholt unterbrechenden Betriebs des Primärseitenschaltelements FET 1, so dass ein Zyklus oder eine Betriebsart des wiederholt unterbrechenden Betriebs der Sekundärseite in einen vorbestimmten Bereich fällt.

Fahrzeug

Ein Fahrzeug (100) umfasst: eine Energiespeichervorrichtung (110), eine erste Verbindungseinrichtung (220), über die es möglich ist, elektrische Energie der Energiespeichervorrichtung (110) zu laden und zu entladen, eine zweite Verbindungseinrichtung (702), über die es möglich ist, elektrische Energie der Energiespeichervorrichtung (110) zu laden und zu entladen; und eine ECU (300), die ein über die erste Verbindungseinrichtung bereitgestelltes Laden und Entladen, und ein über die zweite Verbindungseinrichtung bereitgestelltes Laden und Entladen steuert. Die ECU (300) ist als Antwort darauf, dass ein Steuerungsabschnitt (415 oder 615, 616) betätigt wird, um ein beliebiges, des Entladens der Energiespeichervorrichtung (110) über die erste Verbindungseinrichtung, des Ladens der Energiespeichervorrichtung (110) über die erste Verbindungseinrichtung, des Entladens der Energiespeichervorrichtung (110) über die zweite Verbindungseinrichtung, und des Ladens der Energiespeichervorrichtung (110) ...

Steuerungsverfahren für ein Hybridfahrzeug

Es ist hierin ein System zum Steuern eines Hybridfahrzeugs offenbart, wenn der Ladezustand einer Hochspannungsbatterie ausreichend niedrig ist. Insbesondere ist eine Motoreinheit mit einem Verbrennungsmotor über ein Rotationselement verbunden, eine Hochspannungsbatterie ist elektrisch mit der Motoreinheit verbunden, um dazu elektrischen Strom zuzuführen, und eine Niederspannungsbatterie ist elektrisch mit der Hochspannungsbatterie durch einen Zwei-Wege-Konverter verbunden. In vorteilhafter Weise ist ein Steuerabschnitt eingerichtet, um eine Spannung der Niederspannungsbatterie zu erhöhen, um die Hochspannungsbatterie mit Hochspannung durch den Zwei-Wege-Konverter zu versorgen, wenn der Ladezustand der Hochspannungsbatterie unter einen ersten vorbestimmten Wert fällt.

Elektrische Antriebseinheit für ein Kraftfahrzeug

Die Erfindung betrifft eine elektrische Antriebseinheit für ein Kraftfahrzeug, bei welcher mindestens zwei, beidseitig zu einer angetriebenen Achse angeordnete Antriebsräder (11a, 11b) unabhängig voneinander elektromotorisch angetrieben sind. Um die ungefederte Masse des elektrisch angetriebenen Kraftfahrzeuges zu verringern, ist eine die beiden Antriebsräder (11a, 11b) unabhängig voneinander antreibende Elektromotoreinheit (1) in einem Gehäuse (2) angeordnet und insbesondere achsmittig positioniert.

Leistungssteuerungssystem für ein Fahrzeug, in welchem ein Verbrennungsmotor mit Lader montiert ist

Leistungssteuerungssystem (T) für ein Fahrzeug, umfassend: einen Lader (15, 25) zur Anhebung des Einlaßdrucks in einem Verbrennungsmotor des Fahrzeugs; eine elektrische Rotationsmaschine (11), die als Elektromotor zum Antrieb oder zur Unterstützung des Laders (15, 25) wenigstens im unteren Drehzahlbereich der elektrischen Rotationsmaschine (11) tätig ist; eine erste Speicherenergiequelle (12), die so gestaltet ist, daß sie fähig ist, die elektrische Rotationsmaschine (11) mit Energie zu versorgen; eine oder mehrere andere bordeigene elektrische Einrichtungen (21) als die elektrische Rotationsmaschine (11), wobei diese Einrichtungen auf dem Fahrzeug angebracht sind; eine zweite Speicherenergiequelle (22), die so gestaltet ist, daß sie fähig ist, die bordeigenen elektrischen Einrichtungen (21) mit Energie zu versorgen; einen Hauptgenerator (23), der so gestaltet ist, daß er sowohl die bordeigenen elektrischen Einrichtungen (21) als auch die zweite Speicherenergiequelle (22) mit Energie versorgen ...

Fahrzeugseitiges Lademodul, induktives Ladesystem und Verfahren zum induktiven Laden eines Energiespeichers

Es wird ein fahrzeugseitiges Lademodul zum induktiven Laden eines Energiespeichers (140) eines Kraftfahrzeugs mit einer induktiven Energieübertragungseinrichtung (120) beschrieben. Das Lademodul (131) weist auf (a) eine Stromleitung (206) zwischen einem Eingang und einem Ausgang des Lademoduls (131) erstreckt, (b) eine der der Stromleitung (206) zugeordnete elektrische Messeinrichtung zum Messen einer elektrischen Ladevorgangs-Größe, (c) eine Auswerteeinheit (230) gekoppelt mit der elektrischen Messeinrichtung zum Erzeugen eines Auslösesignals, falls die gemessene elektrische Größe bei einem Vergleich einen vorbestimmten Grenzwert überschreitet; und (d) eine mit der Auswerteeinheit (230) gekoppelte Sicherheitseinrichtung, zum Empfang des Auslösesignals und zur Leistungsreduzierung, wenn das Auslösesignal auftritt. Ferner wird ein induktives Ladesystem zum Laden eines Energiespeichers (140) eines elektromobilen Kraftfahrzeugs beschrieben, welches ein Ladesystem mit einem derartigen Lademodul ...

Ladestation zum drahtlosen energietechnischen Koppeln eines elektrisch antreibbaren Fahrzeugs

Die Erfindung betrifft eine Ladestation zum drahtlosen energietechnischen Koppeln eines elektrisch antreibbaren Fahrzeugs, mit einem Anschluss für eine elektrische Energiequelle und einer elektronischen Spule (10, 30), mittels der ein magnetisches Wechselfeld () für das drahtlose energietechnische Koppeln des elektrisch antreibbaren Fahrzeugs bereitstellbar ist, wobei die elektronische Spule (10, 30) eine zylindrische Wicklung (16, 18, 36, 38) und einen ferromagnetischen Körper (22) aufweist, wobei eine Stirnseite der Wicklung (16, 18, 36, 38) an den ferromagnetischen Körper (22) angrenzt, um das aus der Wicklung (16, 18, 36, 38) austretende magnetische Wechselfeld ()über die Stirnseite in den ferromagnetischen Körper (22) einzukoppeln, wobei die Wicklung eine erste und eine zweite Wicklung (16, 18, 36, 38) aufweist, die nebeneinander und mit ihren Stirnseiten an den ferromagnetischen Körper (22) angrenzend angeordnet sind und die ausgebildet sind, ein entgegengesetztes magnetisches Wechselfeld ...

Unterseeboot und Verfahren zum Betreiben eines Antriebssystems eines Unterseebootes

Unterseeboote weisen zur Versorgung eines elektrischen Antriebs ein Fahrnetz auf (10). Dem Fahrnetz (10) sind für eine stetige Energieversorgung mehrere parallele Batteriestränge (11, 12) zugeordnet. Die Parallelschaltung von Batteriesträngen (11, 12) ist problematisch, da Ausgleichsströme zwischen den Batteriesträngen (11, 12) fließen können. Die Vermeidung von Ausgleichsströmen mittels DC-DC-Stellern (13, 14) kann eine Überladung und Tiefenentladung der einzelnen Stränge (11, 12) verhindern. Die Erfindung schafft ein Unterseeboot sowie ein Verfahren zum Betreiben eines Antriebssystems eines Unterseebootes wonach es vorgesehen ist, dass die für den Betrieb des mindestens einen Verbrauchers notwendige elektrische Energie in Abhängigkeit der Ladezustände (SOC) der mindestens zwei Batteriestränge (11, 12) von den Batteriesträngen (11, 12) vom Verbraucher bezogen wird, um die SOC der Batteriestränge (11, 12) miteinander zu synchronisieren.

STEUERUNG VON SICHERHEITSKRITISCHEN SYSTEMEN IN AUTONOMEN FAHRZEUGEN

Der Zustand und die Integrität von sicherheitskritischen Fahrzeugsystemen eines Fahrzeugs können durch Aktivieren der sicherheitskritischen Fahrzeugsysteme mit einer ersten Energiequelle, Bestimmen einer ersten Spannung der ersten Energiequelle und dann Bestimmen einer zweiten Spannung einer zweiten Energiequelle bestimmt werden. Das Vergleichen der ersten und zweiten Spannung kann den Zustand und die Integrität von sicherheitskritischen Fahrzeugsystemen bestimmen.

Energieversorgungeinrichtung mit induktiv gekoppelter zusätzlicher Energiespeichereinheit zum Versorgen eines elektrischen Antriebs eines Kraftwagens

Die Erfindung betrifft eine Energieversorgungeinrichtung (1) zum Versorgen eines elektrischen Antriebs (4) eines Kraftwagens (2) mit elektrischer Energie, mit einem an dem Kraftwagen (2) montierbaren, ersten elektrischen Energiespeicher (10), mit einer Energiespeichereinheit (12), die einen zweiten elektrischen Energiespeicher (13) umfasst und zum Laden des ersten elektrischen Energiespeichers (10) ausgebildet ist, und mit einer Kopplungsvorrichtung (20) zum Koppeln der Energiespeichereinheit (12) mit dem ersten elektrischen Energiespeicher (10). Um die Reichweite des Kraftwagens (2) bedarfsgerecht zu erhöhen, ist erfindungsgemäß vorgesehen, dass die Kopplungsvorrichtung (20) einen Wechselrichter (21), einen Gleichrichter (22) sowie eine Spulenanordnung (23) zum kontaktlosen Koppeln der Energiespeichereinheit (12) durch Induktion umfasst.

HYBRIDANTRIEBSSYSTEM MIT MEHREREN WECHSELRICHTERN

Ein Antriebsstrang für ein Fahrzeug beinhaltet eine elektrische Maschine und eine Vielzahl von Wechselrichtern. Die elektrische Maschine kann einen Stator beinhalten, der eine Vielzahl von Statorzähnen definiert, die durch Schlitze getrennt sind, die dazu ausgelegt sind, Wicklungen aufzunehmen. Die Vielzahl von Wechselrichtern kann jeweils dazu ausgelegt sein, ausschließlich einen Strom in einigen, aber nicht allen Wicklungen innerhalb von Schlitzen anzutreiben, sodass einige der Vielzahl von Statorzähnen innerhalb eines Sektors des Stators dazu ausgelegt sind, durch nur einen der Wechselrichter mit Energie versorgt zu werden.

Vorrichtung zur Energieverteilung und/oder Energieumwandlung in einem Hybrid- oder Elektrofahrzeug

Die Erfindung betrifft eine Vorrichtung (101, 102, 103) zur Energieverteilung und/oder Energieumwandlung, die in einem Hybrid- oder Elektrofahrzeug (10) mit wenigstens einem Fahrzeuginnenraum (20) und mit wenigstens einer Batterie (40) zum Antreiben wenigstens eines elektrischen Antriebsmotors (50) angeordnet ist. Zur Verbesserung der gesamten Energiebilanz des Hybrid- oder Elektrofahrzeugs (10) ist erfindungsgemäß vorgesehen, dass die Vorrichtung (101, 102, 103) ein Gehäuse (110) umfasst, in dem wenigstens eine elektronische, elektrische, elektromechanische oder elektrochemische Vorrichtung (121, 122, 131, 132, 133, 161, 162, 171, 172) angeordnet ist, deren bei der Energieverteilung und/oder Energieumwandlung entstehende Abwärme einem Wärmeträgerstrom (210) zugeführt wird, welcher das Gehäuse (110) durchströmt, das ausgangsseitig mit dem Fahrzeuginnenraum (20) und/oder der Batterie (40) verbunden ist.

Temperaturregler für eine Fahrzeugbatterie

Verschachtelter Wandler für variable Spannung

Die Offenbarung stellt einen verschachtelten Wandler für variable Spannung bereit. Ein Fahrzeugantriebsstrang beinhaltet einen Gleichstrom (DC)/DC-Leistungswandler und eine Steuerung. Der DC/DC-Leistungswandler beinhaltet einen ersten, zweiten und dritten Zweig, die parallel sind, wobei der erste Zweig dazu konfiguriert ist, einen ersten Gleichstrom zu führen, der im Wesentlichen gleich einer Summe der Gleichströme des zweiten und dritten Zweigs ist. Die Steuerung kann dazu konfiguriert sein, Schalter des ersten Zweigs mit einer Frequenz, die größer als mindestens das Doppelte derjenigen des zweiten und dritten Zweigs ist, zu modulieren.

Gleichstrom-Leistungsversorgung mit Anwendung von Brennstoffzellen

HEV-E-Antriebe mit HV-Hochsetzverhältnis und breitem Gleichstromverteilerspannungsbereich

Die vorliegende Offenbarung stellt HEV-E-Antriebe mit HV-Hochsetzverhältnis und breitem Gleichstromverteilerspannungsbereich bereit. Ein System beinhaltet einen Verteiler und einen variablen Spannungswandler (VVC), der einen Schalter, der mit einem Kondensator in Reihe geschaltet ist, und einen Induktor beinhaltet, der mit dem Kondensator und dem Schalter parallel geschaltet ist, und derart konfiguriert ist, dass der Betrieb des Schalters in einem Verstärkungsmodus über einen Aussteuerungsbereich von 0 bis weniger als 0,5 einen entsprechenden Spannungsausgang an den Verteiler von 0 bis zu einem Maximum des VVC bewirkt.

FAHRZEUG

Ein Fahrzeug weist auf: eine erste Energiespeichervorrichtung; eine zweite Energiespeichervorrichtung, die eine niedrigere Nennspannung als eine Nennspannung der ersten Energiespeichervorrichtung aufweist; einen DC-DC-Wandler, der ausgelegt ist, eine Spannung einer elektrischen Leistung einer hochspannungsseitigen Stromleitung, mit der die erste Energiespeichervorrichtung verbunden ist, abwärts zu wandeln und die elektrische Leistung der abwärtsgewandelten Spannung einer niederspannungsseitigen Stromleitung zuzuführen, mit der die zweite Energiespeichervorrichtung verbunden ist; eine erste Zusatzvorrichtung, die mit der niederspannungsseitigen Stromleitung verbunden ist und derart ausgelegt ist, dass sie in einem Systemausschaltzustand betrieben werden muss; eine zweite Zusatzvorrichtung, die mit der niederspannungsseitigen Stromleitung verbunden ist und derart ausgelegt ist, dass die in dem Systemausschaltzustand nicht betrieben werden muss; und einen Schalter, der ausgelegt ist, die zweite ...

Bordnetz für ein Kraftfahrzeug

Die Erfindung betrifft ein Verfahren zum Betrieb eines Bordnetzes (4) eines Kraftfahrzeugs (2), mit einem ersten Spannungskreis (I) und einem zweiten Spannungskreis (II), wobei der erste Spannungskreis (I) eine erste Betriebsspannung aufweist, die höher ist als eine zweite Betriebsspannung in dem zweiten Spannungskreis (II), wobei der erste Spannungskreis (I) mit dem zweiten Spannungskreis (II) über einen Gleichspannungswandler (8) verbunden ist, wobei der erste Spannungskreis (I) eine Batterie (10) und der zweite Spannungskreis (II) eine Hauptbatterie (12) aufweist, dadurch gekennzeichnet, dass der zweite Spannungskreis (II) eine zusätzliche dritte Hilfsbatterie (14) aufweist, und wobei mittels einer Wechselschalterbaugruppe (18) Komponenten des Kraftfahrzeugs (2) mit elektrischer Betriebsenergie aus der Hauptbatterie (12) und/oder der Hilfsbatterie (14) versorgt werden, und dass die Hauptbatterie (12) mittels eines Trennschalters (66) von dem zweiten Spannungskreis (II) im Falle eines ...

Fahrzeugbordnetz mit einem Akkumulator, einem Wechselspannungsanschluss und einem Gleichspannungsanschluss

Ein Fahrzeugbordnetz (BN) ist mit einem Akkumulator (AK), einem Wechselspannungsanschluss (WA) und einem Gleichspannungsanschluss (GA) ausgestattet. Der Gleichspannungsanschluss (GA) ist direkt mit dem Akkumulator (AK) über einen Verbindungspunkt (VP) verbunden. Der Wechselspannungsanschluss (WA) ist über einen Gleichrichter (GR) und einem ersten Schalter (S1) über den Verbindungspunkt (VP) mit dem Akkumulator (AK) verbunden. Der Gleichrichter (GR) ist über einen galvanisch trennenden Gleichspannungswandler (W1) und einem zweiten Schalter (S2) mit dem Akkumulator (AK) verbunden. Der zweite Schalter (S2) ist über den Verbindungspunkt (VP) mit dem Akkumulator verbunden. Es besteht mindestens ein Verbraucher-Bordnetzzweig (BZ), der eine Cy-Kapazität umfasst, und der über den zweiten Schalter (S2) mit dem Akkumulator (AK) verbunden ist.

Hybrid vehicle`s fuel economy controlling method, involves reducing nominal optimal charging voltage to minimum charging voltage, and charging battery with minimum charging voltage under usage of direct current converter

The method involves determining a charge condition of a battery (21), and determining a nominal optimal charging voltage of the battery based on the charge condition and the temperature of the battery. The nominal optimal charging voltage is reduced to a minimum charging voltage, when the charge condition of the battery lies above a predetermined level and the current lines below a predetermined range. The battery is charged with the minimum charging voltage under usage of a direct current converter (12). An independent claim is also included for a method for protecting a battery against sulphation.

Sitzkonstruktion für ein Motorrad

Serienschaltung von Schaltreglern zur Energieübertragung in Batteriesystemen

Ein Antriebssystem für ein Elektrofahrzeug sowie ein Elektrofahrzeug mit einem solchen Antriebssystem. Ein separater Lösungsaspekt betrifft ein Batteriemodul (15) für ein Elektrofahrzeug sowie ein Elektrofahrzeug mit einem solchen Batteriemodul (15). Das Antriebssystem umfasst einen Elektromotor (11) und einen Wechselrichter (12) zur Erzeugung einer Wechselspannung für den Betrieb des Elektromotors (11) aus einer Gleichspannung mit einem vorgegebenen festen Spannungswert. Erfindungsgemäß weist das Antriebssystem einen DC/DC-Umsetzer (14) auf, welcher ausgebildet ist, die Gleichspannung zu erzeugen, und einen ersten und einen zweiten Eingang für das Anschließen eines Batteriemoduls (15) aufweist. Das Batteriemodul (15) weist eine Vielzahl von Batteriezellen und einen ersten DC/DC-Umsetzer (14) auf, welcher ausgebildet ist, eine Gleichspannung mit einem vorgegebenen festen Spannungswert zu erzeugen.

Motor vehicle power system has energy storage with electronic power system and temperature circuit, where tempering circuit is coupled with energy storage and electronic power system

The motor vehicle power system has energy storage (ES) with an electronic power system and a temperature circuit. The tempering circuit (KKL) is coupled with the energy storage and the electronic power system, in which temperature circuit comprises a tempering medium (TM).

Zusatzenergieumformung für eine Elektrofahrzeug unter Verwendung einer Hochfrequenzinjektion in einen PMW-Wechelrichter

Ein elektrisches Energiesystem für ein Elektrofahrzeug umfaßt einen elektrischen Antriebsmotor, eine Hochspannungssammelschiene zur Lieferung von Betriebsenergie, um den Antriebsmotor zu erregen, und einen Wechselrichter mit Energieschaltvorrichtungen und einem Wechselrichterausgang. Der Wechselrichter ist zwischen die Hochspannungssammelschiene und den elektrischen Antriebsmotor geschaltet, und eine Steuerung ist mit dem Wechselrichter gekoppelt und liefert Motorsteuersignale und hochfrequente Injektionssignale an den Wechselrichter. Eine Zusatzenergieeinheit ist mit dem Wechselrichterausgang gekoppelt und weist einen DC-Ausgang zur Lieferung einer DC-Betriebsenergie auf. Die Zusatzenergieeinheit liefert DC-Energie in Ansprechen auf die hochfrequenten Injektionssignale. Der elektrische Antriebsmotor arbeitet in Ansprechen auf die Motorsteuersignale und bleibt durch die hochfrequenten Injektionssignale im wesentlichen unbeeinflußt.

Electric machine

Electric automobile driving apparatus

Integrated starter alternator prevents engine stall

A system for preventing stall of a vehicle engine 10 comprises an integrated starter alternator 24 operably connected with the engine. The integrated starter alternator is capable of selectively operating as a starter motor for transmitting torque to the engine and as an alternator for producing electric energy. The system also includes at least one electric energy storage device 26,30 in electrical communication with the integrated starter alternator. The system further includes at least one controller 48 in electrical communication with the integrated starter alternator. The system includes at least one sensor 62 operably connected with the engine sending a signal indicative of engine performance to the controller. The controller compares the signal to a predetermined condition indicative of engine stall and controls the electric energy storage device and the integrated starter alternator to transmit a torque to the engine sufficient to prevent engine stall.

Railway vehicle driving device

Electrical load management method and apparatus

Electrical load management method and apparatus

An electrical load management system 1 for a vehicle power supply system having a high voltage network (NHV, figure 1) and a low voltage network (NLV) coupled to each other by a DC-DC converter 6. The electrical load management system has a controller (10) for controlling one or more high voltage vehicle electrical system VSHV connected to the high voltage network and one or more low voltage vehicle electrical system VSLV connected to the low voltage network. The controller has a processor (11) for receiving command signals for the high and low voltage vehicle electrical systems (VSHV, VSLV); and a memory device (12) having instructions stored and coupled to the processor. The processor is configured to determine a first electrical load on the high voltage network and a second electrical load on the low voltage network in dependence on the command signals. The processor controls operation of the high and low voltage vehicle electrical systems in dependence on the determined first and second ...

Battery system

A battery system 20 has an output 70 for supplying electrical energy to an electric drive motor 22 of a vehicle. The battery system includes first and second electrical energy stores 50, 52 and a voltage conversion unit 60 (e.g. DC-DC converter) that connects the first and second electrical energy stores. The first electrical energy store has a first nominal voltage V1 (e.g. 400V) and provides a first electrical energy output at a first voltage V1’. The first energy store is connected to the voltage conversion unit. The second electrical energy store has a second nominal voltage V2 (e.g. 800V) which is greater than the first nominal voltage V1. The second energy store has a second electrical energy output at a second voltage V2’ and is connected to the output of the battery system. The voltage conversion unit converts between the first voltage V1’ and the second voltage V2’ and is connected to the output of the battery system such that the first electrical energy store is connected to the ...

Method and system for a safety concept for an AC battery

... a method for a safety concept for an AC battery, in which the AC battery comprises a central controller, a plurality of battery modules which have a power board with a plurality of switching states, a plurality of contactors, a plurality of current sensors, a fault loop and a high-speed bus and is connected to a traction machine, wherein the central controller has a hardware programmable processor unit with at least one microprocessor core on which a control program is configured to control the battery modules, the plurality of contactors and the fault loop, and a state machine is implemented by means of the control program, wherein the battery modules are connected, starting from the central controller, via the high-speed bus and the fault loop, wherein, if an abort fault occurs, the AC battery is changed to a safe operating state by emergency disconnection of the central controller, by a “bypass” switching state on each battery module and a respective safety switching position of each ...

A system for hybrid electric vehicle fleet management

A fleet management system for ensuring the optimum efficiency and the most cost-effective operation of one or more hybrid electric vehicles. Each vehicle comprises a control system 100 configured to monitor, control, and optimise the management of the powertrain of the vehicle. The fleet management system comprising, a communications system for sending and receiving operational data and a fleet operations controller to increase efficiency, durability and to monitor cost of the fleet. The vehicle may use a fuel cell which can be fuelled by hydrogen. The system may use a simulation model 120 & 150-170 and utilise model predictive control.

ELECTRICAL LOAD DEVICE, TAX PROCEDURE FOR AN ELECTRICAL LOAD AND COMPUTER-READABLE RECORDING MEDIUM WITH A NOTED PROGRAM, BY WHICH A COMPUTER KNOWS AN ELECTRICAL LOAD TAXES

Battery emulator insert's battery emulator and method for controlling the

Um bei einem Batterieemulator eine ausreichend stabile Ausgangsspannung mit geringeren Verlusten auch bei schnellen Laständerungen zu realisieren ist vorgesehen, dass der Batterieemulator (1) mit einer modellbasierten Regelung mit einem Modell des Batterieemulators (1) geregelt wird, wobei in das Modell des Batterieemulators (1) eine Leitungsinduktivität (LL) der elektrischen Leitung (4) und der Stützkondensator (CS) eingebunden ist.

Multiple chemistry battery systems for electric vehicles

Multiple chemistry battery systems and methods for using such systems in electric vehicles are disclosed. In one embodiment, an example electric vehicle may include a drive motor configured to impart motion to one or more wheels of the electric vehicle, a plurality of batteries configured to power the drive motor, and one or more controllers. The plurality of batteries may include a first battery including a first cell having a first chemistry, and a second battery including a second cell having a second chemistry different from the first chemistry. The one or more controllers may be configured to cause the first battery and the second battery to power the drive motor, and to cause the drive motor to charge the first battery and the second battery.

Peak demand reduction in mining haul trucks utilizing an on-board energy storage system

A mining haul truck driven by electrical wheel motors is powered by a trolley power system during an uphill climb. Retard energy captured during braking action on either the uphill climb or downhill descent is stored by an on-board electrical energy storage system. Electrical power is supplied from the on-board electrical energy storage system to reduce the peak power demand on the trolley power system during the uphill climb. One implementation of the on-board electrical energy storage system uses an ultracapacitor system.

Hybrid vehicle and control method therefor

A device including a combustion engine, a use of the device, and a vehicle

HYBRID VEHICLE AND CONTROL METHOD THEREFOR

A hybrid vehicle and a control method of the hybrid vehicle is provided, capable of suppressing discharge of the battery at the time of starting a DC/DC converter and suppressing temporal voltage drop of the battery. When the engine is in the idle state and the power generated by the motor is not sufficient, the motor controller starts the DC/DC converter at a low output voltage state, and the amount of power generated by the motor is gradually increased at a speed without disturbing the idle rotation of the engine, and when it is determined that the power generation by the motor is sufficiently high by comparing the amount of power generation with the amount of power consumption at the output of the DC/DC converter, the operation mode of the output variable DC/DC converter is switched from the low voltage mode to the high voltage mode.

BATTERY CONTROL SYSTEM AND VEHICLE

A battery control system controls an external charging unit in a vehicle including a vehicle body, engine, motors, secondary battery, and the external charging unit, and includes a degradation detecting unit that detects degradation of the secondary battery, during charging of the second battery by the external charging unit.

PARALLEL HYBRID DRIVE SYSTEM UTILIZING POWER TAKE OFF CONNECTION AS TRANSFER FOR A SECONDARY ENERGY SOURCE

A parallel hybrid vehicle system utilizing the Power Take Off connection on an automatic transmission as a transfer port for a secondary device is described for both driving modes and stationary operation. The secondary device is a battery powered electric motor providing motive power or regenerative braking in driving mode or providing power to accessories typically mounted to a conventional PTO while stationary.

MINING VEHICLE AND METHOD FOR ITS ENERGY SUPPLY

The invention relates to a mining vehicle and method for its energy supply. The mining vehicle has a carriage (3), driving equipment (4) for moving the carriage (3), and at least one mining work device (2). Further, the mining vehicle (1) has at least one electric motor (28a) for operating a main function of the mining vehicle (1), and at least one electric motor (28b, 28c, 28d) for operating an auxiliary function of the mining vehicle. The mining vehicle (1) further has a power- generating auxiliary unit (26). When necessary, the power-generating auxiliary unit (26) supplies at least part of the power required by the electric motor (28b, 28c, 28d) operating the auxiliary function.

BATTERY SYSTEMS AND OPERATIONAL METHODS

This disclosure includes battery systems and operational methods. According to one aspect, a battery system includes conversion circuitry, a plurality of main terminals configured to be coupled with a load, a charger and a plurality of rechargeable battery modules which are coupled in series with one another intermediate the main terminals, switching circuitry configured to couple a first of the battery modules with an input of the conversion circuitry, and the conversion circuitry being configured to modify an electrical characteristic of electrical energy received from the first of the battery modules and to output the electrical energy having the modified characteristic to a second of the battery modules.

VOLTAGE CONVERTER CONTROL APPARATUS, VOLTAGE CONVERSION METHOD, STORAGE MEDIUM, PROGRAM, DRIVE SYSTEM, AND VEHICLE HAVING THE DRIVE SYSTEM

By using a target voltage Vc* of a capacitor connected to the output side of a DC/DC converter and a voltage Vb of a battery connected to the input side of the DC/DC converter, a duty ratio D (Vb/Vc*) as a drive instruction of the DC/DC converter is calculated (S100, S102). By using the voltage Vb, the electromotive force Vbo of the battery, and the charge/discharge current Ib of the battery, an internal resistance Rb ((Vbo - Vb)/Ib) is calculated (S104). According to the internal resistance Rb and the electromotive force Vbo, the current value (value Vbo/2Rb) when the battery output becomes maximum is set as the upper limit value of the optimal current range IR (S106). the DC/DC converter is driven/controlled by limiting the duty ratio D so that the current Ib is within the range of the optimal current range IR (S108, S110, S112). Thus, it is possible to appropriately convert the battery input voltage.

METHOD FOR OPERATING A COMBUSTOR IN A FUEL CELL SYSTEM

A method of operating a combustor to heat a fuel processor in a fuel cell system, in which the fuel processor generates a hydrogen-rich stream a portion of which is consumed in a fuel cell stack and a portion of which is discharged from the fuel cell stack and supplied to the combustor, and wherein first and second streams are supplied to the combustor, the first stream being a hydrocarbon fuel stream and the second stream consisting of said hydrogen-rich stream, the method comprising the steps of monitoring the temperature of the fuel processor; regulating the quantity of the first stream to the combustor according to the temperature of the fuel processor; and comparing said quantity of said first stream to a predetermined value or range of predetermined values.

SELF-PROPELLED WHEEL FOR BICYCLES AND OTHER VEHICLES

A wheel (100) with a self-contained drive mechanism is provided to propel (or assist in propulsion of) bicycles, tricycle, and similar vehicles. The wheel includes and internal support (110) supporting a drive motor (111) and external supports (106R, 106L) fixed to tire (101). The wheel is readily received within the dropouts of a bicycle frame or fork to be attached therein by a standard quick-release mechanism (103). Thus, the wheel may be added to (or removed from) preexisting standard bicycles.

POWER CONVERTER CONTROLLED CAPACITOR CIRCUITS AND METHODS

A series circuit includes a capacitor connected in series with a power converter output terminals. The power converter provides an auxiliary voltage and a controller controls the power converter auxiliary voltage according to a selected function, such that the series circuit behaves as a capacitor, an inductor, or an impedance, based on the selected function. The controller may sense a voltage across the capacitor and use the sensed voltage to control the power converter auxiliary voltage according to the selected function. The series circuit may be connected in parallel with output terminals of an AC-DC converter, wherein the series circuit operates according to a selected mode to produce the auxiliary voltage, and the auxiliary voltage substantially cancels a low frequency AC voltage ripple across the capacitor, such that a substantially pure DC output voltage is delivered to the load.

ELECTRIC VEHICLE (EV) FAST RECHARGE STATION AND SYSTEM

FRONT END MOTOR-GENERATOR SYSTEM AND HYBRID ELECTRIC VEHICLE OPERATING METHOD

A system and method are provided for hybrid electric internal combustion engine applications in which a motor-generator, a narrow switchable coupling and a torque transfer unit therebetween are arranged and positioned in the constrained environment at the front of an engine in applications such as commercial vehicles, off-road vehicles and stationary engine installations. The motor-generator is preferably positioned laterally offset from the switchable coupling, which is co-axially-arranged with the front end of the engine crankshaft. The switchable coupling is an integrated unit in which a crankshaft vibration damper, an engine accessory drive pulley and a disengageable clutch overlap such that the axial depth of the clutch-pulley-damper unit is nearly the same as a conventional belt drive pulley and engine damper. The front end motor-generator system includes an electrical energy store that receives electrical energy generated by the motor-generator when the coupling is engaged. When ...

POWER CONVERTER AND CONTROLLER USING SUCH CONVERTER FOR ELECTRIC ROLLING STOCK

Provided is a power converter having an inverter (13) wherein capacitors (12) are connected in parallel on a direct current side, and a power supply circuit configured to supply the inverter with a direct current from a power supply (1) and a power storage element (14). A controller using such power converter is also provided for electric rolling stocks. The power supply circuit is provided with a power supply switch (S1) arranged between the power supply and the inverter, a DCDC converter (15A) arranged between the power storage element and the inverter, and a bypass switch (S2) arranged between the power storage element and the inverter.

COOLING DEVICE FOR ON-VEHICLE MACHINERY

CONTROL DEVICE FOR FUEL CELL VEHICLE

An electricity converter (7) for controlling an output of the fuel cell (1), a battery (3) for storing electricity of the fuel cell (1), and a load device (5) that operates by electricity of at least one of the fuel cell (1) or the battery (3) are included. Further provided is a controller (25) that calculates current chargeable electricity of the battery (3), load device electricity currently consumed by the load device (5) and current generable electricity of the fuel cell (1), and decreases the output of the fuel cell (1) by the electricity converter (7) when the generable electricity is equal-to or more-than a combined value of the chargeable electricity and the load device electricity.

POWER CONDITIONING SYSTEM AND CONTROL METHOD THEREFOR

This power adjustment system is provided with: a fuel cell connected to a load; a fuel cell converter that is connected between the fuel cell and the load, and converts the output voltage of the fuel cell at a predetermined requested voltage ratio; a battery that is connected in parallel to the fuel cell against the load, and is a power supply source that is different than the fuel cell; a battery converter that is connected between the battery and the load, and converts the output voltage of the battery at a predetermined requested voltage ratio; a voltage adjustment unit that adjusts the output voltage of the battery converter to a predetermined voltage in order to generate a DC link voltage for synchronizing the output voltage of the fuel cell converter and the output voltage of the battery converter; and a ripple suppression unit that suppresses a ripple component of the DC link voltage resulting from the battery converter when the DC link voltage is higher than the output voltage of ...

POWER CONDITIONING SYSTEM AND CONTROL METHOD THEREFOR

A power conditioning system that includes a fuel cell to be connected to a load, a fuel cell converter connected between the fuel cell and the load, the fuel cell converter converting an output voltage of the fuel cell at a predetermined required voltage ratio, a battery connected in parallel with the fuel cell with respect to the load, the battery serving as a power supply source different from the fuel cell, a battery converter connected between the battery and the load, the battery converter converting an output voltage of the battery at a predetermined required voltage ratio, a voltage adjusting unit configured to adjust an output voltage of the battery converter to a predetermined voltage to generate a DC link voltage for synchronizing an output voltage of the fuel cell converter and the output voltage of the battery converter, and a ripple suppressing unit configured to cause the battery converter to suppress a ripple component of the DC link voltage in a situation where the DC link ...

ELECTRIC MINING VEHICLE, CHARGE CONTROLLER, AND RELATED PROCESS

A charge controller for an electric mining vehicle is configured to determine an amount of charge to be provided to a battery of the electric mining vehicle for an upcoming trip based on regenerative braking power generation and load indication measured during a previous trip. The charge controller is further configured to command a battery charger to charge the battery up to the determined amount of charge and to stop charging the battery once the determined amount of charge has been reached.

CONTROLLING BATTERIES FOR ELECTRIC BUS

An onboard charging system for an electric vehicle is configured to communicate with a power supply through exchange of control signals on a power supply line by modulating a charging current being supplied to the charging system. The charging system is capable of communicating fault and battery parameter data to the power supply, as well as a requested charging current used to regulate the power supply output. The power supply may convert high voltage AC power into a controllable DC output supplied directly to the electric vehicle, thereby providing a convenient means for the vehicle to initiate charging during operations. Connection between the electric vehicle and the power supply may be effected using an extendible and retractable electrical connection, such as a mechanical pantograph.

FUEL CELL VEHICLE AIR-CONDITIONING APPARATUS AND CONTROL METHOD THEREOF

A fuel cell vehicle air-conditioning apparatus includes: a cooling system (500) that adjusts a temperature of a fuel cell (2); a waste heat collection unit (61) that collects at least a part of waste heat from the fuel cell (2) and uses the collected waste heat to heat a cabin interior of the fuel cell vehicle; and a heat creation unit (2) that creates heat for heating the fuel cell vehicle. The fuel cell vehicle air-conditioning apparatus calculates a fuel consumption amount required for the fuel cell (2) to generate a total power generation amount, which is a sum of a heating power generation amount and a travel power generation amount, calculates an optimum temperature, which is a temperature of the fuel cell (2) at which the fuel consumption amount reaches a minimum, and controls the cooling system (500) such that the temperature of the fuel cell (2) reaches the optimum temperature.

Einrichtung zur Gleichspannungsumformung, insbesondere für ein elektrisches Triebfahrzeug

Motor vehicle with an electric drive.

Die Erfindung betrifft ein Kraftfahrzeug mit einem elektrischen Fahrantrieb (4), einem elektrischen Energiespeicher (3a, 3b) zur Bereitstellung von elektrischer Energie für den Fahrantrieb, einer Verbrennungskraftmaschine (1) und einem ausschliesslich von der Verbrennungskraftmaschine (1) angetriebenen Elektrogenerator (2) zur Wiederaufladung des elektrischen Energiespeichers (3a, 3b). Dabei ist der Energiespeicher (3a, 3b) mit mindestens einer ersten Teilbatterie (3a) und mindestens einer zweiten Teilbatterie (3b) ausgebildet, und ein Schaltelement (30) ist derart zwischen der ersten Teilbatterie (3a), der zweiten Teilbatterie (3b), dem Elektrogenerator (2) und dem elektrischen Fahrantrieb (4) angeordnet, und derart ausgebildet, dass die erste Teilbatterie (3a) und die zweite Teilbatterie (3b) wechselweise dem Elektrogenerator (2) oder dem elektrischen Fahrantrieb (4) zuschaltbar sind.

Device for three-phase drive system of hybrid motor vehicle, has star-point of stator phase of polyphase machine taken to input face first end of HF-isolated circuit part

A device for HF isolated coupling of supply voltages in which a relevant hybrid vehicle has an electric polyphase machine (4) and a three-phase pulse inverter (8) and a negative intermediate voltage rail (9,10) for supplying the three-phase pulse inverter, and a battery (30) for supporting an auxiliary drive voltage. The star point (18) of the stator phase-windings (1,2,3) of the polyphase machine (4) is taken to the first end (20) of an input face (21) of the HF-isolated circuit part (22) of the DC/DC converter (23), via a coupling impedance (19).

Trolley bus with a release in the power supply transformer.

Ein erfindungsgemässer Oberleitungsbus umfasst einen Stromabnehmer (11) zur Kontaktierung einer Gleichstrom führenden Oberleitung, mindestens einen Antriebsmotor (52, 57) zum Antreiben einer Antriebsachse, eine Stromversorgung zur Versorgung des mindestens einen Antriebsmotors (52, 57) mit Antriebsstrom und einen Hochleistungs-Energiespeicher (41, 42) zur Zwischenspeicherung von über den Stromabnehmer (11) aufgenommener elektrischer Energie. Die Stromversorgung umfasst einen Trenntransformator, der einen ersten, mit dem Stromabnehmer (11) verbundenen Abschnitt der Stromversorgung von einem zweiten Abschnitt der Stromversorgung galvanisch trennt, wobei der mindestens eine Antriebsmotor (52, 57) und der Hochleistungs-Energiespeicher (41, 42) im zweiten Abschnitt angeordnet sind. Durch die galvanische Trennung werden im zweiten Abschnitt der Stromversorgung die üblichen Spannungsspitzen vermieden. Entsprechend können elektrische Komponenten im zweiten Abschnitt, z. B. Umrichter, einfacher ...

Trolley bus with a release in the power supply transformer.

Ein erfindungsgemässer Oberleitungsbus umfasst einen Stromabnehmer (11) zur Kontaktierung einer Gleichstrom führenden Oberleitung, mindestens einen Antriebsmotor (52, 57) zum Antreiben einer Antriebsachse, eine Stromversorgung zur Versorgung des mindestens einen Antriebsmotors (52, 57) mit Antriebsstrom und einen Hochleistungs-Energiespeicher (41, 42) zur Zwischenspeicherung von über den Stromabnehmer (11) aufgenommener elektrischer Energie. Die Stromversorgung umfasst einen Trenntransformator, der einen ersten, mit dem Stromabnehmer (11) verbundenen, Abschnitt der Stromversorgung von einem zweiten Abschnitt der Stromversorgung galvanisch trennt, wobei der mindestens eine Antriebsmotor (52, 57) und der Hochleistungs-Energiespeicher (41, 42) im zweiten Abschnitt angeordnet sind. Durch die galvanische Trennung werden im zweiten Abschnitt der Stromversorgung die üblichen Spannungsspitzen vermieden. Entsprechend können elektrische Komponenten im zweiten Abschnitt, z.B. Umrichter, einfacher ...

Trolley bus with a release in the power supply transformer.

Ein erfindungsgemässer Oberleitungsbus umfasst einen Stromabnehmer (11) zur Kontaktierung einer Gleichstrom führenden Oberleitung, mindestens einen Antriebsmotor (52, 57) zum Antreiben einer Antriebsachse, eine Stromversorgung zur Versorgung des mindestens einen Antriebsmotors (52, 57) mit Antriebsstrom und einen Hochleistungs-Energiespeicher (41, 42) zur Zwischenspeicherung von über den Stromabnehmer (11) aufgenommener elektrischer Energie. Die Stromversorgung umfasst einen Trenntransformator, der einen ersten, mit dem Stromabnehmer (11) verbundenen Abschnitt der Stromversorgung von einem zweiten Abschnitt der Stromversorgung galvanisch trennt, wobei der mindestens eine Antriebsmotor (52, 57) und der Hochleistungs-Energiespeicher (41, 42) im zweiten Abschnitt angeordnet sind. Durch die galvanische Trennung werden im zweiten Abschnitt der Stromversorgung die üblichen Spannungsspitzen vermieden. Entsprechend können elektrische Komponenten im zweiten Abschnitt, z. B. Umrichter, einfacher ...

SYSTEM AND METHOD FOR CONTROL OF AUXILIARY DEVICES WITH ELECTRIC DRIVE

Fuel cell assembly and vehicle

Provided is a mounting structure of a fuel cell system capable of withstanding a collision from the side face of a fuel cell vehicle. The fuel cell system comprises a fuel cell unit for housing a fuel cell, and a protective structure having a mounting surface for mounting the fuel cell unit. The protective structure includes sloping frames provided obliquely relative to the mounting surface at a position opposing at least one side face of the fuel cell unit. Since the protective structure has the sloping frames as the structural objects to be subjected to the impact of the collision from the side face, the protection of the entire height of the fuel cell unit is realized by the lightest structural objects.

Integrated charging device for electric vehicle

Disclosed herein is an integrated charging module device for an electric vehicle. The integrated charging module device for an electric device includes: a main battery supplying power for driving an electric vehicle; an auxiliary battery supplying power for driving an auxiliary device within the electric vehicle; an integrated charging module converting external power into a first DC voltage to be charged in the main battery and a second DC voltage to be charged in the auxiliary battery; and a control module controlling the charging of the main battery and the auxiliary battery. The present invention includes the integrated charging modules for charging the main battery and the secondary battery, thereby making it possible to increase the efficiency of the spatial arrangement in a vehicle and simplifying the cooling system.

Saddle-ride-type electrically operated vehicle

In an electrically-operated vehicle including rear wheels on right and left sides of a rear portion of a vehicle body, the electrically-operated vehicle includes a motor that drives the rear wheels, a battery 51 that is arranged above the motor, and a lower battery that is placed between the right and left rear wheels. The lower battery and the motor are arranged in a distributed manner over an axle of the rear wheels between a vehicle front side of the axle of the rear wheels and a vehicle rear side of the axle of the rear wheels. An upper end portion of a rear cushion is supported on a vehicle body frame, and the battery and the motor are supported on a lower end of the rear cushion.

Hybrid power source

A hybrid power system is comprised of a high energy density element such as a fuel-cell and high power density elements such as a supercapacitor banks. A DC/DC converter electrically connected to the fuel cell and converting the energy level of the energy supplied by the fuel cell. A first switch is electrically connected to the DC/DC converter. First and second supercapacitors are electrically connected to the first switch and a second switch. A controller is connected to the first switch and the second switch, monitoring charge levels of the supercapacitors and controls the switching in response to the charge levels. A load is electrically connected to the second switch. The first switch connects the DC/DC converter to the first supercapacitor when the second switch connects the second supercapacitor to the load. The first switch connects the DC/DC converter to the second supercapacitor when the second switch connects the first supercapacitor to the load.

Solar power charge and distribution for a vehicle

A solar energy charge and management system for a vehicle including a photovoltaic apparatus for receiving solar energy and converting the solar energy to electrical energy. The system includes a user interface for selecting a predetermined solar power mode and a controller operatively in communication with the user interface. The interface allows for selectively distributing energy from the photovoltaic apparatus to operate a vehicle component associated with the selected solar power mode.

Power supply apparatus for vehicles

A power supply apparatus for vehicles is provided. This apparatus includes a battery mounted on a vehicle as well as first and second power transferring means and a power conversion unit. The first power transferring means transfers power between the battery and a first power supply section placed outside the vehicle, in a state where the battery is electrically connected to the power supply section. The second power transferring means transfers power between the battery and the power supply section placed outside the vehicle, in a state where the battery is electromagnetically connected to a second power supply section. The power conversion unit is used commonly in both the first and second power transferring means and used for transferring the power between the battery and the first power supply section and for transferring the power between the battery and the second power supply section.

Vehicle

A vehicle includes a power storage device, a motor generator, a converter for stepping up an output voltage from the power storage device, an inverter for driving the motor generator, and an ECU. The inverter includes switching elements. The switching elements have a characteristic that the withstand voltage of the switching elements decreases as the temperature of the inverter decreases. The ECU sets the stepped-up voltage, based on a temperature characteristic of the power storage device and a temperature characteristic of the inverter, so that the stepped-up voltage is increased within a range in which the stepped-up voltage does not exceed the withstand voltage. In this way, at low temperatures, deterioration of the power performance can be suppressed while the switching elements are protected.

Vehicle Range Surplus Display And Method

An information display for a vehicle may convey whether an on-board energy storage device contains surplus energy to propel the vehicle beyond its current destination. The energy surplus may be conveyed in a graphically emotive display to support a driver's emotional motivation to drive the vehicle as well as provide reassurance for successfully making it to a destination before the energy storage device is depleted. The display may include one or more emotive display elements or themes. The energy surplus may be conveyed as surplus distance by a number of surplus indicators that are associated with the emotive display element.

Method and apparatus for electric power management in a vehicle

An on-vehicle DC/DC converter transforms high-voltage electric power originating from an on-vehicle high-voltage source to low-voltage electric power at a regulated voltage level. The low-voltage electric power is distributed by a low-voltage bus. A method for operating the DC/DC converter includes monitoring a state of charge and a temperature of a low-voltage battery connected to the low-voltage bus, setting a DC/DC converter command to a nominal voltage level as a function of the state of charge and temperature of the low-voltage battery, monitoring a total low-voltage electric load, and adjusting the DC/DC converter command to a minimum low-voltage reference voltage when the vehicle is operating below a predetermined speed and the total low-voltage electric load is greater than a predetermined load.

Energy source system having multiple energy storage devices

System are described that include an energy storage device adapted to store and release energy and an ultracapacitor. The systems include a switching device coupled to the energy storage device to selectively connect and disconnect the energy storage device to a load, and a second switching device coupled to the ultracapacitor and adapted to connect and disconnect the ultracapacitor to the load. The systems may include a sensor adapted to sense the current draw at the load. The first switching device is activated to connect the energy storage device to the load when a rate of change of the current draw at the load is below a threshold, and the second switching device is activated to connect the ultracapacitor to the load when the rate of change of the current draw at the load is greater than or equal to the threshold.

Multi-port reconfigurable battery

A multi-port reconfigurable battery has at least one bank of statically joined series connected battery cells, each including a positive and negative pole connected through switches to respective output connections on at least one port. Processor controlled switches reconfigure the cells to provide power for electrical loads on one or more ports and simultaneously provide charging on one or more other ports. An alternative configuration divides groups of series connected cells into separate battery banks that permit other configurations. Ports are configurable to share one electrically common connection with other ports providing a simplified configuration (multi-tap reconfigurable battery). Applications include selectable motor speed control and battery regeneration schemes matched to motor output, and single or multiphase AC power output at selectable frequencies for use as an Uninterruptible Power Supply. The battery is also described as a power source for a forced-air induction system (e.g. electric supercharger) for a combustion engine.

Vehicle and method for controlling vehicle

A vehicle is provided with a battery, a motor configured to generate the driving force of the vehicle by using electric power stored in the battery, a charger configured to supply the battery with electric power outputted from a power source outside the vehicle, and an ECU configured to control the charged state of the battery when the battery is charged. The ECU calculates an index value indicating the charged state of the battery, and sets the control range of the index value. When a predetermined condition relating to the deterioration of the battery is satisfied, the ECU raises the upper limit value of the index value.

Inverter mounting structure for vehicle

A supporting portion of an inverter bracket is made of cast, and the inverter bracket is attached onto the side member to locate a vehicle rear end portion of the attachment portion to be on the front side in the vehicle, by a prescribed distance from a vehicle front surface portion of the suspension tower. When a force F is exerted from the front side of the vehicle, the side member curves outward in the vehicle width direction between one part to which the suspension tower is coupled and another part to which the inverter bracket is attached. The inverter bracket and inverter are pushed obliquely outward in the vehicle width direction, so that the contact with the master cylinder can be suppressed.

Fuel cell system and mobile object

A fuel cell system capable of improving the voltage controllability of a converter provided in the system is provided. A controller judges whether or not a passing power of a DC/DC converter falls within a reduced response performance area for the number of active phases as of the present moment. When the controller determines that the passing power of the DC/DC converter falls within the reduced response performance area, the controller determines the number of phases which avoids the driving within the reduced response performance area, and outputs a command for switching to the determined number of phases (phase switching command) to the DC/DC converter.

Vehicle driving device, vehicle charging system, and automobile

A vehicle driving device is arranged such that in accordance with an instruction signal from the outside, a first battery managing section outputs, to the outside, a signal related to charging/discharging control for a first battery.

Communication apparatus and communication method in wireless power transmission system

An apparatus and method to perform communication in a wireless power transmission system are provided. When a communication channel is selected from channels excluding a channel used in wireless power transmission, a communication apparatus and method transmit, using a frequency of the communication channel, a channel seizure signal, an access standard instruction, and a state information signal indicating an operating mode of a source. When a response signal corresponding to the access standard instruction is received from a target, the communication apparatus and method determine a control identifier (ID) of the target.

Electric vehicle and charging control method for auxiliary battery thereof

The present invention relates to an electric vehicle and a charging control method for an auxiliary battery of the electric vehicle. According to the present invention, the electric vehicle comprises: a high-voltage battery which drives the electric vehicle; a plurality of electric field loads; the auxiliary battery which supplies driving power to the plurality of electric field loads; a first voltage detection unit which detects an output voltage of an auxiliary battery side; a converter which performs a PWM switching to convert the voltage of the high-voltage battery into a voltage required in the electric field loads; a plurality of relays; a power relay assembly (PRA) which is switched to supply the energy of the high-voltage battery to the converter according to whether or not the plurality of relays are in operation; and a vehicle control module (VCM) which controls the driving of the power relay assembly, wherein the converter includes a converter control unit, which sends a driving instruction signal requesting the vehicle control module to drive the power relay assembly depending on a magnitude change of the output voltage of the auxiliary battery side. Accordingly, discharging of the auxiliary battery in a starting-off state is prevented, which makes it possible to stably operate the electric vehicle system.

Method for correcting current of pwm converter

The present invention relates to a method for compensating a current of a DC/DC converter that detects an average value of a pulsatory current that is output as a chopping wave form from an inductor that is used in a DC/DC converter to compensate an offset value in real time. A method for compensating a current of a DC/DC converter can include analyzing a PWM signal for a switching DC-DC converter, if the PWM signal is on, comparing a delay time with a rise half cycle size between a detected current and a real current that is output by an inductor, calculating a current variation amount and determining an offset compensation value for compensating a current variation amount according to the comparison result of the rise half cycle size and the delay time, and applying the offset compensation value to compensate the detected current of the inductor.

Electric vehicle

An electric vehicle includes a drive motor, an air conditioning system, an electric storage device, and a power consumption controller. The drive motor is to generate drive force for the electric vehicle. The electric storage device is to supply power to the drive motor and the air conditioning system. The power consumption controller is configured to control power consumption of the drive motor and the air conditioning system to limit the power consumption of the drive motor while securing preset power consumption of the air conditioning system and to keep securing power for the air conditioning system through limitation of the power consumption of the drive motor until driving of the drive motor is stopped if a remaining charge of the electric storage device approaches zero with consumption of power by the drive motor.

Wireless energy transfer resonator kit

Described herein are improved capabilities for a source resonator having a Q-factor Q 1 >100 and a characteristic size x 1 coupled to an energy source, and a second resonator having a Q-factor Q 2 >100 and a characteristic size x 2 coupled to an energy drain located a distance D from the source resonator, where the source resonator and the second resonator are coupled to exchange energy wirelessly among the source resonator and the second resonator.

Apparatus and Method for Inductive Power Transfer on an Electrified Roadway Using a Rotating Secondary Inductor

The invention described herein provides an energy transfer system via a tire based inductor system. By using the tire, the area inside the tire, the tire rim, or the wheel as the inductive pick-up for a powered roadway system the prior art problems are solved. Namely, since the tire/wheel is always in contact, or near contact with the road, the air gap is reduced to a minimum, and substantially fixed, distance. By mounting the secondary on the perimeter of a wheel, relative motion between the road and inductor is minimized In addition, the pick-up can be encased in the tire, eliminating the problem of road debris, snow and ice entirely. Also, some heating of the tire due to electrical losses may enhance traction and tread performance on snowy or wet roads. In all configurations, the vehicle's wheel suspension adjusts vertically adjusting for road imperfections and obstacles.

Vehicle-mounted cable and vehicle

A vehicle-mounted cable mounted in a vehicle provided with a cable port includes: a first cable that can be pulled out through the cable port; a second cable connected to the vehicle; and a connection device that connects the first cable and the second cable together, and disconnects the first cable and the second cable when the connection device experiences tension equal to or larger than prescribed tension, the connection device being provided at a position allowing the connection device to be pulled out through the cable port.

Vehicle power supply device

In order to prevent elements from being damaged by electrical energy when a regenerative braking force is generated, an electric motor ( 108 ) in a vehicle power supply device ( 100 ) converts the kinetic energy of a vehicle ( 10 ) into electrical energy to generate a regenerative braking force, and an inverter ( 103 ) converts AC electrical energy outputted by the electric motor ( 108 ) into DC electrical energy. The converted DC electrical energy accumulates in a battery ( 106 ) via first switches ( 105 a, 105 b ) and second switches ( 107 a, 107 b ). A control unit ( 109 ) switches the second switches ( 107 a, 107 b ) on when electrical energy resulting from a regenerative braking force generated by the electric motor ( 108 ) is capable of accumulating in the battery.

Energy storage system for hybrid electric vehicle

An energy storage system comprising at least one energy storage module adapted to supply electrical energy to a hybrid vehicle. The energy storage module comprises a primary enclosure, at least one battery array located within the primary enclosure, and an energy storage controller module located within the primary. The energy storage controller module is further connected to a hybrid control module of the hybrid vehicle by a low voltage connecter. A high voltage junction box is attached to a first end of the primary enclosure and having a plurality of high voltage connection terminals. At least one of the high voltage connection terminals is configured to receive a high voltage conductor connected between the energy storage module and an inverter of the hybrid vehicle. When multiple energy storage modules are used in conjunction, one module functions as a master module and one module functions as a slave module.

Cooling system and vehicle with the same

A cooling system for cooling a heat source includes a flow channel through which liquid medium cooling the heat source is circulated, and a pump provided on the flow channel for circulating the liquid medium. The flow channel includes a plurality of branches arranged between an upstream side and a downstream side of the heat source in parallel to a distribution direction of the liquid medium. The cooling system further includes a control device for detecting an abnormality occurred in the cooling system by detecting an imbalance among flow rates of the liquid medium flowing through the plurality of branches, respectively.

Electrically powered vehicle and control method therefor

An electrically powered vehicle includes an electric motor for generating a vehicle driving force in accordance with an accelerator operation amount by a driver, and a notification unit for notifying the driver of information about accelerator operation by the driver in a mode which makes the driver sense the accelerator operation amount more easily in the case where a wheel is in contact with an obstacle than in the case where the wheel is not in contact with the obstacle.

Resonance-type non-contact power supply system

A resonance-type non-contact power supply system includes a power-transmission-side metal shield to cover an area around a primary coil and a primary resonance coil. A coaxial cable outer conductor of a power-transmission-side coaxial cable and the power-transmission-side metal shield are threadedly engaged using a coaxial male connector and a coaxial female connector.

Power electronics apparatus and control method for an electric machine and for electrical energy stores

A power electronics arrangement includes an inverter to which an electric machine can be connected, and at least one half bridge to which at least two electric energy storage devices can be connected. One of the at least two electric energy storage devices at least temporarily supplies the electric machine, and one of the electric energy storage devices at least temporarily charges another energy storage device of the at least two electric energy storage devices by way of the electric machine and one of the half bridges. For this purpose, a control method for the power electronics arrangement operates according to the principle of space vector modulation.

Method and Control Unit for Activating Actuators of a Vehicle During Emergency Operation

A method includes determining failure of a drive energy store of a vehicle and activating generator operation of a electric main engine as a result of the failure. The method includes determining a current driving condition of the vehicle, what actuators are necessary in order to put the vehicle into a safe operating condition, and what each of the necessary actuator dynamics are based on the current driving condition of the vehicle. The method includes determining a demand for electrical energy that is necessary for a particular necessary actuator to attain the safe operating condition, and regulating a proportionate generator operation of the electric main engine, taking into consideration electrical energy of the necessary actuators required for carrying out each of the necessary actuator dynamics. The method includes activating the actuators necessary for achieving the safe operating condition with the determined actuator dynamics until the safe operating condition is achieved.

Power source apparatus for vehicle

A power source apparatus mounted to a vehicle is equipped with a lead-acid battery and a lithium battery. An open circuit voltage and an internal resistance of each of the batteries are determined to satisfy the following conditions (a1), (a2), and (a3): (a1) In the use range of SOC of the lead-acid battery and the use range of SOC of the lithium battery, there is an equal voltage point Vds at which the open circuit voltage V0 (Pb) of the lead-acid battery becomes equal to the open circuit voltage V0 (Li) of the lithium battery; (a2) The relationship of V0 (Li)>V0 (Pb) is satisfied in the upper limit side of the use range of SOC of the battery; and (a3) A terminal voltage Vc (Li) of the lithium battery is not more than a set voltage Vreg of a regulator when a maximum current flows in the lithium battery.

Power supply system

An operation mode selection unit selects an efficiency priority mode for minimizing the overall loss in a power supply system based on a load request voltage obtained in accordance with the condition of a load and on the conditions of DC power supplies, and generates a mode selection signal in accordance with the selection result. When SOC and/or output power have/has reached power supply restriction values in any DC power supply, an operation mode modification unit generates a final mode selection instructing signal so as to modify selection of the efficiency priority mode by the mode selection signal to select an operation mode in which power distribution between the DC power supplies can be controlled.

Buffering energy storage systems for reduced grid and vehicle battery stress for in-motion wireless power transfer systems

An energy buffer including an electrochemical capacitor can be added to the primary circuit and/or to the secondary circuit of in-motion wireless power transfer system. The energy buffer(s) can smoothen the power delivered by the power grid and captured by a vehicle passing over an array of transmit coils through in-motion wireless power transfer. The reduction in the transient power transfer can reduce the peak current that flows through various components of the in-motion wireless power transfer system including a vehicle battery on the vehicle, and prolong the life of the in-motion wireless power transfer system.

Stationary Storage Device for Temporarily Storing Electric Energy in an Electric Supply Grid, Operating Method, and Retrofitting Module for the Stationary Storage Device

A stationary storage device configured to temporarily store electric energy in an electric supply grid includes at least one electric storage unit, each being connected to a common DC bus by a respective DC-DC converter. The storage device further includes a bidirectionally operated AC-DC converter for coupling the common DC bus to the supply grid, and a charging device configured to exchange energy with an electrically operated motor vehicle. The charging device includes a connection device configured to connect the electrically operated motor vehicle in order to exchange said energy, and a charge control device configured to control exchange of said energy. A coupling device is provided which is configured to electrically connect the connection device to the common DC bus via one or more DC-DC converters in order to exchange said energy. 1. A stationary storage device configured to temporarily store electric energy in an electric supply grid , comprising:at least one electric storage unit, each storage unit being connected to a common DC bus by a respective DC-DC converter; anda bidirectionally operated AC-DC converter for coupling the common DC bus to the supply grid,wherein the stationary storage device has a charging device configured to exchange energy with an electrically operated motor vehicle, said charging device comprising a connection device configured to connect the electrically operated motor vehicle in order to exchange said energy, and a charge control device configured to control exchange of said energy,wherein a coupling device is provided which is configured to electrically connect the connection device to the common DC bus via one or more DC-DC converters in order to exchange said energy.2. The stationary storage device according to claim 1 , wherein the stationary storage device comprises at least two storage units claim 1 , and the coupling device provides a switching device which is configured to connect a first DC-DC converter of a first one ...

Split vehicle power busses

A system includes a first DCDC converter arranged to output electrical power only to a first battery and to first loads in a first specified set. The first specified set includes loads provided to control and perform steering and braking. The system further includes a second DCDC converter arranged to output electrical power to loads isolated from the first loads provided to control and perform steering and braking.

WIRELESS POWER TRANSFER DEVICE WITH FOREIGN OBJECT DETECTION, SYSTEM, AND METHOD FOR PERFORMING THE SAME

Methods and apparatus for detecting the presence of undesirable foreign matter in a region between a wireless power transmission apparatus and a power reception apparatus are described. First and second detection methods, based on different detection schemes, may be used to detect and distinguish the presence of foreign matter from misalignment during power transfer operation. A first detection method may be used before power is transferred to a load in a power reception apparatus, and a second detection method may be used while power is supplied to the load. 125-. (canceled)26. A power reception apparatus comprising:a load configured to use electrical power; anda power receiver configured to wirelessly receive transmissions of the electrical power from a power transmission apparatus, the power reception apparatus is configured to send a threshold Q-value to the power transmission apparatus in response to receiving one of the transmissions from the power transmission apparatus,wherein the threshold Q-value is a quality factor of the power receiver that is measurable when no foreign matter is near the power receiver, the power reception apparatus is configured to store the threshold Q-value prior to receiving the transmissions from the power transmission apparatus.27. The power reception apparatus of claim 26 , wherein the load is a battery.28. The power reception apparatus of claim 26 , wherein the power reception apparatus is an electric vehicle claim 26 , a home electronic appliance claim 26 , or a mobile phone.29. The power reception apparatus according to claim 26 , wherein the electrical power is used to calculate a power loss claim 26 , the power loss indicates an amount of the electrical power that has been lost during any of the transmissions.30. The power receiving apparatus according to claim 26 , wherein said one of the transmissions occurs before an occurrence of another of the transmissions.31. The power reception apparatus of claim 30 , wherein the ...

DC-DC CONVERTER CONTROL APPARATUS AND DC-DC CONVERTER CONTROL METHOD

A DC-DC converter control apparatus, installed in a vehicle including parallel-connected first and second DC-DC converters and in-vehicle devices configured to operate on an electric power that is output from at least one of the first and second DC-DC converters, is configured to control the first and second DC-DC converters, and includes a processor. The processor is programmed to monitor an operational status of at least one predetermined device that is included in the in-vehicle devices; when the at least one predetermined device is not in operation, set at least a controlled target value of an output voltage of the first DC-DC converter to a target voltage for operating the in-vehicle devices; and, when at least one of the at least one predetermined device is in operation, set controlled target values of output voltages of both the first and second DC-DC converters to the target voltage. 1. A DC-DC converter control apparatus installed in a vehicle , the vehicle including a first DC-DC converter , a second DC-DC converter connected in parallel with the first DC-DC converter , and a plurality of in-vehicle devices configured to operate on an electric power that is output from at least one of the first DC-DC converter and the second DC-DC converter , the DC-DC converter control apparatus being configured to control the first DC-DC converter and the second DC-DC converter , the DC-DC converter control apparatus comprising a processor programmed to:monitor whether at least one predetermined device is in operation or not, where the at least one predetermined device is included in the plurality of in-vehicle devices;when the at least one predetermined device is not in operation, set at least a controlled target value of an output voltage of the first DC-DC converter to a target voltage for operating the plurality of in-vehicle devices; andwhen at least one of the at least one predetermined device is in operation, set the controlled target value of the output voltage ...

CHARGER AND CHARGING METHOD

A charger includes a first connection port, a second connection port, a DC-DC converter, a first microcontroller, and a second microcontroller. The DC-DC converter is configured to convert a first DC voltage into a second DC current/voltage according to a regulation signal, and output the second DC current/voltage through the second connection port. The second DC voltage is lower than the first DC voltage. The first microcontroller is configured to communicate with a DC charging station by handshake via the first connection port. When the handshake between the first microcontroller and the DC charging station succeeds, the first microcontroller generates a regulation indication according to a result of the handshake between the first microcontroller and a battery, the second microcontroller generates the regulation signal according to the regulation indication, and the first DC voltage is supplied by the DC charging station. 1. A charger , comprising:a first connection port, configured to connect a DC charging station;a second connection port, configured to connect a battery;a DC-DC converter, coupled between the first connection port and the second connection port, the DC-DC converter is configured to convert a first DC voltage into a second DC current/voltage according to a regulation signal and output the second DC current/voltage through the second connection port, wherein the second DC voltage is lower than the first DC voltage;a first microcontroller, configured to communicate with the DC charging station by handshake via the first connection port, and communicate with the battery by handshake via the second connection port, wherein when the handshake between the first microcontroller and the DC charging station succeeds, the first microcontroller generates a regulation indication according to a handshake result between the first microcontroller and the battery, and the first DC voltage is supplied by the DC charging station; anda second microcontroller, ...

DC-DC CONVERTER WITH PRE-CHARGING OF A FIRST ELECTRICAL NETWORK FROM A SECOND ELECTRICAL NETWORK

The invention relates to an insulated DC-DC converter, in particular for a motor vehicle, comprising—a first circuit, connected to a first electrical grid, and including a primary branch comprising at least one induction coil,—a second circuit, connected to a second electrical grid, and comprising a secondary branch comprising at least one induction coil, each induction coil of the primary branch being coupled with an induction coil of the secondary branch in order to form a transformer. According to the invention, said converter comprises at least one additional branch comprising at least one additional induction coil, said at least one additional branch being connected to the electrical grid, and said at least one additional induction coil being coupled with an induction coil of the secondary branch so that, according to one operating mode, the insulated DC-DC converter transfers energy from the low-voltage vehicle electrical grid to the electrical grid, in particular for pre-charging purposes. 110-. (canceled)11. An isolated DC-DC converter , notably for an automobile vehicle , comprising:a first interface terminal configured to be connected to a first electrical network,a second interface terminal configured to be connected to a second electrical network,a first circuit, connected to the first interface terminal, and comprising at least one primary branch comprising at least one inductive coil,a second circuit, connected to the second interface terminal, and comprising a secondary branch comprising at least one inductive coil,each inductive coil of said at least one primary branch being coupled to an inductive coil of the secondary branch to form at least one transformer,such that, according to a first operating mode, the isolated DC-DC converter is configured to transfer energy from the first electrical network to the second electrical network, through the first and second circuits, via the magnetic circuit(s) formed by the coupled inductive coils of the ...

Alternating-Current Charging Device for a Motor Vehicle

AC charging device for a motor vehicle may include: a neutral conductor; a phase conductor; a rectifier; a smoothing capacitor electrically connected to the rectifier; a mains connection; a precharge circuit arranged between the mains connection and the smoothing capacitor, the precharge circuit precharging the smoothing capacitor; and a second phase conductor electrically connected to the phase conductor by a cross-connection line. The neutral conductor and the phase conductor are connected to the rectifier. The precharge circuit is disposed in the neutral conductor. 1. An AC charging device for a motor vehicle , the device comprising:a neutral conductor;a phase conductor; anda rectifier;wherein the neutral conductor and the phase conductor are connected to the rectifier; anda smoothing capacitor electrically connected to the rectifier;a mains connection;a precharge circuit arranged between the mains connection and the smoothing capacitor, the precharge circuit precharging the smoothing capacitor;a second phase conductor electrically connected to the phase conductor by a cross-connection line;wherein the precharge circuit is disposed in the neutral conductor.2. The AC charging device as claimed in claim 1 , wherein the precharge circuit includes a transistor connected in series with a precharge resistor.3. The AC charging device as claimed in claim 1 , wherein the precharge circuit includes a series-connected diode.4. The AC charging device as claimed in claim 1 , wherein the cross-connection line includes a cross-connection switch for disconnecting the phase conductor from the second phase conductor.5. The AC charging device as claimed in claim 1 , further comprising a second precharge circuit identical to the precharge circuit claim 1 , the second precharge circuit disposed in the cross-connection line or in a phase conductor.6. The AC charging device as claimed in claim 1 , further comprising:a mains disconnection contactor between the mains connection and the ...

Energy storage system for hybrid electric vehicle

An energy storage system comprising at least one energy storage module adapted to supply electrical energy to a hybrid vehicle. The energy storage module comprises an enclosure, at least one battery array located within the enclosure, and an energy storage controller module located within the enclosure and electrically connected to the battery array. The energy storage module further comprises a compliant tipped thermistor which may be installed within a flexible clip. The thermistor is positioned to monitor the temperature of one or more of the batteries within the energy storage system.

POWER SUPPLY FOR AN AIRCRAFT AND CORRESPONDING AIRCRAFT

A power supply for an aircraft includes a drone capable of flight and including rotors, a DC-to-DC converter, a battery for driving the rotors and a locking device for securing a plug connection between the drone and the aircraft. The drone is set up to secure the plug connection by the locking device until the aircraft reaches a prescribed altitude, and the power supply is configured in such a way that the battery supplies power to the aircraft by the DC-to-DC converter as long as the plug connection exists. 1. A power supply for an aircraft , comprising:a drone configured for flight, said drone comprising rotors, a DC-to-DC converter, a battery for driving the rotors and a locking device for securing a plug connection between the drone and the aircraft, wherein the drone is configured to secure the plug connection by means of the locking device until the aircraft reaches a prescribed altitude; andwherein the power supply is configured in such a way that the battery supplies power to the aircraft by means of the DC-to-DC converter as long as the plug connection exists.2. The power supply as claimed in claim 1 , wherein the drone is further configured to automatically return to ground level after the prescribed altitude has been reached.3. The power supply as claimed in claim 1 , wherein the drone is further configured to enter into a communication connection with the aircraft in order to adjust a common flight behavior.4. The power supply of further comprising the aircraft claim 1 , wherein the aircraft comprises the power supply and a fully electric drive.5. The aircraft as claimed in claim 4 , wherein the aircraft comprises bent or bendable wings.6. The aircraft as claimed in claim 4 , wherein the aircraft comprises a fast-charging battery system.7. The aircraft as claimed in claim 4 , wherein the aircraft comprises horizontally fixed ducted fans for take-off and landing.8. The aircraft as claimed in claim 7 , wherein the aircraft has louvers claim 7 , and the ...

Vehicle front-part structure

A battery unit is positioned under the floor of a vehicle chamber. A battery-side extension is provided on the lower surface of the front part of the battery unit case. A member-side extension member is provided, on the rear part of a suspension member, at a position facing the battery-side extension in the vehicle front-and-rear direction.

FLYBACK CONVERTER HAVING TWO OR MORE INDEPENDENT OUTPUT STAGES

A power supply unit for an electrical control device having a transformer with a primary coil that can be actuated by means of a switchable primary switch and at least one secondary coil. The primary coil and the at least one secondary coil are arranged on a common magnetic core. The secondary coil provides at least two outputs with controllable output voltages, and the secondary coil is assigned a switchable secondary switch for each of the at least two outputs. The power supply unit comprises a signal processing and calculation unit that is set up to actuate the primary switch and the secondary switches by means of pulse generators. The outputs may be switched sequentially to provide at least two controllable output voltages. 117.-. (canceled)18. A power supply unit for an electrical control device , the power supply unit comprising:a transformer with a primary coil that is actuatable by way of a switchable primary switch and with a secondary coil, wherein the primary coil and the secondary coil are disposed on a common magnetic core, wherein the secondary coil provides outputs with controllable output voltages, wherein the secondary coil is assigned a switchable secondary switch for each of the outputs; anda signal processing and calculation unit configured to actuate the primary switch and the secondary switches by way of pulse generators, wherein the outputs are sequentially connected to provide at least two of the controllable output voltages.19. The power supply unit of wherein the transformer is part of a flyback converter.20. The power supply unit of comprising voltage detection circuits configured to measure the output voltages provided by the secondary coil and to pass the output voltages onto the signal processing and calculation unit.21. The power supply unit of wherein the signal processing and calculation unit comprises comparators configured to compare the output voltages measured by the voltage detection circuits with predetermined setpoint values. ...

Battery Emulator And Method For Controlling The Battery Emulator

In order to achieve sufficiently stable output voltage with low losses even during rapid load changes in a battery emulator, a battery emulator is controlled using model-based control with a model of the battery emulator, wherein a line inductance of the electric line and the back-up capacitor is integrated into the model of the battery emulator. 1. A method for controlling a battery emulator having an output filter with a filter capacitor and a separate back-up capacitor , wherein the filter capacitor of the battery emulator is connected to the back-up capacitor with an electric line , and for controlling a model-based control using a model of the battery emulator is employed , wherein a line inductance of the electric line and the back-up capacitor is integrated into the model of the battery emulator.21. The method according to , wherein a load model of an electrical test object that is powered by the battery emulator is additionally integrated into the model of the battery emulator.3. The method according to claim 2 , wherein an input capacitance of the test object is used as the load model.4. The method according to claim 2 , wherein a constant power load is used as the load model claim 2 , wherein the constant power load is linearized around an operating point of the battery emulator.5. A battery emulator having a voltage supply claim 2 , which has an input-side rectifier with a direct current intermediate circuit claim 2 , a DC-DC converter that is connected thereto and an output filter with a filter capacitor at the output of the DC-DC converter claim 2 , also having a back-up capacitor claim 2 , which is physically separated from the voltage supply claim 2 , wherein the filter capacitor is connected to the back-up capacitor with an electric line claim 2 , and having an emulator control unit for the model-based control of the battery emulator claim 2 , in which a model of the battery emulator is implemented claim 2 , wherein a line inductance of the electric ...

Energy management control system suitable for solar-powered unmanned aerial vehicle and control method thereof

The present disclosure discloses an energy management system suitable for a solar-powered unmanned aerial vehicle and a control method thereof, which are used for an aerospace vehicle energy system. The system comprises a photovoltaic module, an MPPT controller, a first DC-DC circuit, a battery pack, a first anti-reverse circuit, a second DC-DC circuit, a second anti-reverse circuit, an ESC, a BLDC, an on-board controller, a communication link and a voltage stabilizing module. During cruising, the battery pack directly supplies power to the ESC through the first anti-reverse circuit; when high-power power output is needed, the battery pack supplies power to the ESC through the second DC-DC circuit and the second anti-reverse circuit in sequence, wherein the output voltage of the second DC-DC circuit and the accelerator signal input of the ESC are controlled by the on-board controller.

Efficient Control System and Method For Brushless Motor With Wide Working Range

The present disclosure provides an efficient control system and method for a brushless motor with a wide working range, which are applied to an aerospace vehicle energy system. The system of the present disclosure includes a power supplying module, a first DC-DC circuit, a battery pack, a second DC-DC circuit, an anti-reverse-connection circuit, an electronic speed control (ESC), a brushless direct current motor (BLDC), an airborne controller and a communication link. Electric energy from the power supplying module is configured to charge the battery pack via the first DC-DC circuit, and electric energy of the battery pack sequentially flows through the second DC-DC circuit and the anti-reverse-connection circuit to energize the ESC, wherein output voltage of the second DC-DC circuit and throttle signal input of the ESC are controlled in real time by the airborne controller according to a power demand of an aircraft. 1. An efficient control method for a brushless motor with a wide working range , comprising:at a system including a power supplying module, a first DC-DC circuit, a battery pack, a second DC-DC circuit, an anti-reverse-connection circuit, an electronic speed control (ESC), a brushless direct current motor (BLDC), an airborne controller, a communication link, wherein the power supplying module outputs regulated direct currents to energize the battery pack through the first DC-DC circuit; wherein the battery pack energizes the ESC through the second DC-DC circuit and the anti-reverse-connection circuit in sequence, and the ESC drives the BLDC to rotate; wherein the second DC-DC circuit uses an adjustable DC-DC circuit, which changes an output voltage according to an input signal; wherein the communication link is configured to transmit an original throttle signal output by a flight control system to the airborne controller; and wherein the airborne controller is configured to acquire input/output voltage and current information from the first DC-DC ...

HIGH-VOLTAGE CHARGING ARRANGEMENT FOR AN ELECTRIC VEHICLE, AND A METHOD FOR CHARGING A TRACTION BATTERY

A high-voltage charging arrangement () is provided for charging a traction battery () of an electric vehicle at a DC charging station (). The DC charging station () has a first voltage (V) and the traction battery () has a second voltage (V). At least one DC-DC converter () has a first conduction path () with a converter () for transforming the first voltage (V) into the second voltage (V) and a second conduction path () has a bypass () for bypassing the converter (). A control device () communicates with the DC charging station () is possible. An input element () is provided for selecting a conduction path () and is connected to the control device () for control purposes. A method also is provided for performing a charging process for a traction battery () of an electric vehicle at a DC charging station (). 1. A high-voltage charging arrangement for an electric vehicle for charging a traction battery at a DC charging station , wherein the DC charging station has a first voltage (V) and the traction battery has a second voltage (V) , the charging arrangement comprising:{'sub': in', 'out, 'at least one DC-DC converter having at least first and second conduction paths, the first conduction path having a converter for transforming the first voltage (V) into the second voltage (V), and the second conduction path having a bypass for bypassing the converter;'}a control device communicating with the DC charging station; andan input element for selecting a conduction path, the input element being connected to the control device for control purposes.2. The high-voltage charging arrangement of claim 1 , wherein the input element is a physical pushbutton switch.3. The high-voltage charging arrangement of claim 1 , wherein the input element is an interface device.4. The high-voltage charging arrangement of claim 1 , wherein the input element is in the form of an app application.5. The high-voltage charging arrangement of claim 1 , wherein the conduction path is presettable ...

PORTABLE POWER SYSTEMS FOR VEHICLES

This disclosure details exemplary portable power systems for vehicles. The portable power systems may be configured as a secondary battery pack that is removably stored within a front trunk of a vehicle. The portable power systems may include a plurality of individually removable battery units that can be used to extend vehicle driving range or power electrically powered devices that are separate from the vehicle. In some embodiments, when the portable power system is stored in the vehicle and an electrically powered device is connected to the portable power system, the vehicle may be controlled in a Following Mode in which the vehicle is autonomously moved to follow an operator of the electrically powered device. 1. A vehicle , comprising:a front trunk; anda portable power system removably positionable within the front trunk,wherein the portable power system includes a tray and a plurality of modular battery units individually removable from the tray.2. The vehicle as recited in claim 1 , wherein the vehicle is a pickup truck.3. The vehicle as recited in claim 2 , wherein the front trunk establishes a front cargo space of the pickup truck claim 2 , and a truck bed of the pickup truck establishes a rear cargo space.4. The vehicle as recited in claim 1 , comprising a pivotable grille assembly including a pivotable panel configured to move between a first position in which the portable power system is enclosed inside the front trunk and a second position in which the portable power system is exposed and removable from the front trunk.5. The vehicle as recited in claim 4 , wherein a power point of at least one of the plurality of modular battery units is exposed when the pivotable panel of the pivotable grille assembly is moved to the second position.6. The vehicle as recited in claim 1 , comprising:a traction battery pack; anda bi-directional DC/DC converter electrically connected between the traction battery pack and the portable power system,wherein the bi- ...

ONBOARD SYSTEM

When software of a first electronic control unit that controls charging of an auxiliary machinery battery from a power supply by controlling a charging device is rewritten, an onboard system is configured so that charging of the auxiliary machine battery from the power supply is controlled by one or more electronic control units different from the first electronic control unit. Accordingly, even when the software of the first electronic control unit that controls the charging of the auxiliary machinery battery is rewritten, the auxiliary machinery battery can be charged by one or more electronic control units different from the first electronic control unit when the software is rewritten, and the power for rewriting the software of the first electronic control unit can be secured. This can ensure power to rewrite the software of the first electronic control unit. 1. An onboard system that is mounted in a vehicle , the onboard system comprising:a power supply;an auxiliary-machinery battery;a charging device that charges the auxiliary-machinery battery with electric power from the power supply; anda plurality of electronic control units that operates with electric power which is supplied from the auxiliary-machinery battery,wherein a first electronic control unit configured to be able to rewrite software and to control the charging device such that charging of the auxiliary-machinery battery with the power supply is controlled is included as one of the plurality of electronic control units, andwherein one or more electronic control units which are different from the first electronic control unit are configured to control charging of the auxiliary-machinery battery with the power supply when the software of the first electronic control unit is rewritten.2. The onboard system according to claim 1 , wherein the charging device includes a first charging device and a second charging device that are provided in parallel between the power supply and the auxiliary-machinery ...

METHOD FOR CHARGING A TRACTION BATTERY OF A MOTOR VEHICLE

A method charges a traction battery () with a stationary charging column (). The method includes registering a charging process by the vehicle charging controller () to the charging column charging controller () with a low voltage value (U) as a requested charging voltage (UR). The method then controls an insulation test carried out by the charging-column-side insulation tester (). The method reports the maximum charging column voltage (UL) to the vehicle charging controller (), and if the reported maximum charging column voltage (UL) corresponds to a high voltage value (U) higher than the low voltage value (U): registering a charging process by the vehicle charging controller () to the charging column charging controller () with the high voltage value (U) as a requested charging voltage (UR) and setting the charging voltage adapter () to a charging voltage (UL) corresponding to the high voltage value (U). 1. A method for charging a traction battery of a motor vehicle having an electric traction motor by way of a stationary charging column ,wherein the charging column has:a charging column charging controller for monitoring and controlling the charging process, a charging voltage converter for providing a DC charging column voltage fed in in charging lines, an insulation tester for testing the electrical insulation of the charging lines with respect to the ground potential and a charging-column-side charging plug, wherein the charging voltage converter provides a fixed maximum charging column voltage for charging the traction battery that may be a low voltage value or a high voltage value, andwherein the motor vehicle has:a vehicle charging controller for monitoring and controlling the charging process, an insulation tester for testing the electrical insulation of the charging lines with respect to the ground potential, a vehicle-side charging plug and a charging voltage adapter, by way of which the charging column voltage is adapted to the technical charging ...

METHOD FOR CHARGING A TRACTION BATTERY OF A MOTOR VEHICLE

A method for charging a traction battery of a vehicle at a stationary charging column includes having the vehicle charging controller register a charging process to the charging column charging controller with a high voltage value of the traction battery as a requested maximum charging voltage. The charging column charging controller then performs an insulation test at an insulation test voltage that corresponds to the requested maximum charging voltage or to the maximum charging column voltage when the latter is lower than the requested maximum charging voltage. The insulation test voltage is measured by a vehicle voltmeter. If the measured insulation test voltage corresponds to the lower voltage value, the vehicle charging controller registers a charging process to the charging column charging controller with the low voltage value as new requested charging voltage and sets the charging voltage adapter to a charging column voltage corresponding to the low voltage value. 1. A method for charging a traction battery of a motor vehicle having an electric traction motor by way of a stationary charging column ,wherein the charging column has:a charging column charging controller for monitoring and controlling the charging process,a charging voltage converter for providing a DC charging column voltage fed in in charging lines,an insulation tester for testing the electrical insulation of the charging lines with respect to the ground potential, anda charging-column-side charging plug,wherein the charging voltage converter provides a fixed maximum charging column voltage for charging the traction battery that may be a low voltage value or a high voltage value,wherein the motor vehicle has:a charging controller for monitoring and controlling the charging process,a vehicle-side charging plug,the motor vehicle traction battery, which has a technical charging voltage level with the high voltage value,a charging voltage adapter, by way of which the charging column voltage is ...

Integrated modular electric power system for a vehicle

A power system architecture for a vehicle includes a source management unit having at least a generator, a first stored energy component, and a second stored energy component. A high voltage DC bus connects a high voltage load to the source management unit. At least one low voltage DC bus connects at least one low voltage DC load to the source management unit. The source management unit includes a plurality of multi-functional power modules configured such that the source management unit includes a multi-level active rectifier connecting the generator to a multi-level DC bus, a first multi-level multi-function converter connecting the first stored energy component to the multi-level active rectifier, a second multi-level multi-function converter connecting the second stored energy component to a multi-level isolated DC bus, and an isolated multi-level DC-DC converter connecting the multi-level DC bus to the multi-level isolated DC bus.

VEHICLE POWER SUPPLY SYSTEM AND COOLING CIRCUIT

A vehicle power supply system includes: a plurality of battery modules; a high-voltage system equipment; and a cooling circuit having a plurality of battery module cooling units for cooling the plurality of battery modules, and a high-voltage system equipment cooling unit for cooling the high-voltage system equipment. In the cooling circuit, the plurality of battery module cooling units are disposed in parallel, a branching portion is provided on an upstream side of the plurality of battery module cooling units, a merging portion is provided on a downstream side of the plurality of battery module cooling units, and the high-voltage system equipment cooling unit is provided on a downstream side of the merging portion. 1. A vehicle power supply system comprising:a plurality of battery modules, each having a plurality of batteries;a high-voltage system equipment; anda cooling circuit having a plurality of battery module cooling units for cooling the plurality of battery modules, and a high-voltage system equipment cooling unit for cooling the high-voltage system equipment, wherein:in the cooling circuit,the plurality of battery module cooling units are disposed in parallel;a branching portion is provided on an upstream side of the plurality of battery module cooling units;a merging portion is provided on a downstream side of the plurality of battery module cooling units;the high-voltage system equipment cooling unit is provided on a downstream side of the merging portion;the high-voltage system equipment has a DC-DC converter and a charger;the high-voltage system equipment cooling unit has a DC-DC converter cooling unit for cooling the DC-DC converter and a charger cooling unit for cooling the charger; andthe DC-DC converter cooling unit and the charger cooling unit are disposed in parallel on the downstream side of the merging portion.2. (canceled)321. The vehicle power supply system according to claim , whereinthe cooling circuit has a flow rate control device which ...

Power electronic system for an electricity charging station and corresponding electricity charging station

A power electronic system for an electricity charging station having the following features: first busbars for feeding in an alternating current, second busbars for conducting away a direct current, a third busbar for grounding the system, ground cables connected to the first busbars, the second busbars and the third busbar, and power electronic assemblies for converting the alternating current into the direct current. The invention furthermore provides an electricity charging station including such a power electronic system.

DEVICE FOR CHARGING AT LEAST ONE BATTERY

A device for charging at least one battery has an electronics module and at least one charging pillar with a charging point. The electronics module has at least one power electronics unit having an AC/DC converter and a DC/DC converter, wherein the electronics module and the at least one charging pillar are spatially separate from one another. 1. A device for charging a traction battery for a vehicle , the device comprising:an electronic module having at least one power electronics unit, the at least one power electronics unit having an AC/DC converter and a DC/DC converter; andat least one charging pillar with a charging point, the at least one charging pillar spatially separate from the electronic module.2. The device as claimed in claim 1 , wherein the at least one power electronics unit is configured to supply precisely one charging point with a direct voltage.3. The device as claimed in claim 1 , wherein the at least one power electronics unit has silicon carbide semiconductor switches.4. The device as claimed in claim 1 , wherein the AC/DC converter and the DC/DC converter are embodied without galvanic isolation.5. The device as claimed in claim 3 , wherein the efficiency level of the power electronics unit is at least temporally at least 97%.6. The device as claimed in claim 1 , wherein the electronics module is arranged in an electronics module housing whose height (H) is one of less than 1.5 m or less than 1.35 m.7. The device as claimed in claim 1 , wherein the electronics module has a multiplicity of power electronics sub-unit receptacles which are each assigned to a respective one of the at least one power electronics unit and are configured to receive a power electronics sub-unit claim 1 , wherein the respective power electronics unit can be used if a power electronics sub-unit is arranged in at least one of the power electronics sub-unit receptacles.8. The device as claimed in claim 7 , wherein the electronics module has an electronics module housing ...

VEHICLE WITH MODEL-BASED ROUTE ENERGY PREDICTION, CORRECTION, AND OPTIMIZATION

A vehicle includes drive wheels, an energy source having an available energy, a torque-generating device powered by the energy source to provide an input torque, a transmission configured to receive the input torque and deliver an output torque to the set of drive wheels, and a controller. The controller, as part of a programmed method, predicts consumption of the available energy along a predetermined travel route using onboard data, offboard data, and a first logic block, and also corrects the predicted energy consumption using the onboard data, offboard data, and an error correction loop between a second logic block and the first logic block. The controller also executes a control action with respect to the vehicle using the corrected energy consumption, including changing a logic state of the vehicle. 1. A vehicle comprising:a set of drive wheels;an energy source having an available energy;a torque-generating device powered by the energy source to provide an input torque;a transmission configured to receive the input torque and deliver an output torque to the set of drive wheels; anda controller that is configured, as the vehicle travels along a predetermined travel route, to predict energy consumption of the available energy using onboard data, offboard data, and a first logic block, correct the predicted energy consumption using the onboard data, offboard data, and an error correction loop between a second logic block and the first logic block, and execute a control action with respect to the vehicle using the corrected energy consumption, including changing a logic state of the vehicle.2. The vehicle of claim 1 , wherein the energy source includes an energy storage system (ESS) and the torque-generating device includes an electric machine that is electrically connected to the ESS.3. The vehicle of claim 1 , wherein the energy source includes a supply of combustible fuel and the torque-generating device includes an engine that is powered by combustion of the ...

VEHICLE ELECTRICAL SYSTEM WITH ISOLATION CIRCUIT

An electrical system for a vehicle includes a DC/DC converter electrically connected to a high-voltage power source and a first bus, a second bus electrically connected to a second low-voltage power source, and an isolation circuit electrically connected to the first and second buses. The isolation circuit permits current flow in only one direction from the first bus to the second bus. 1. An electrical system for a vehicle comprising:a DC/DC converter electrically connected to a high-voltage power source and a first bus;a second bus electrically connected to a low-voltage power source; andan isolation circuit electrically connected to the first and second buses, the isolation circuit permitting current flow in only one direction from the first bus to the second bus.2. The electrical system of claim 1 , wherein the isolation circuit includes a diode including a cathode and an anode electrically connected to the first bus.3. The electrical system of claim 1 , wherein the isolation circuit is a diode including an anode electrically connected to the first bus claim 1 , and a cathode electrically connected to the second bus.4. The electrical system of claim 1 , wherein the isolation circuit includes a switch electrically connecting the first and second buses claim 1 , wherein the switch is configured to open when one of the first and second buses is short-circuited.5. The electrical system of claim 4 , wherein the switch is a relay including a control lead electrically connected to the one of the first and second buses.6. The electrical system of claim 5 , further comprising a diode electrically connecting the control lead and the one of the first and second buses.7. The electrical system of claim 4 , wherein the switch is a first switch configured to open when the first bus is short-circuited claim 4 , the electrical system further comprising a second switch electrically connecting the first and second buses claim 4 , wherein the second switch is configured to open when ...

POWER ARCHITECTURE FOR A VEHICLE SUCH AS AN OFF-HIGHWAY VEHICLE

The present disclosure relates to a power distribution architecture for an off-road vehicle. The power distribution architecture includes a work circuit and a propel circuit and is configured for facilitating bi-directional power exchange between the work circuit and the propel circuit. 1. A power distribution architecture for an off-road vehicle , the power distribution architecture comprising:a work circuit including a plurality of motion control units configured to be fluidly connected to separate hydraulic actuators, the motion control units each including an electric motor/generator mechanically coupled to a pump/motor;an electrical bus for providing electrical power to each of the electric motors/generators; anda common pressure rail for providing hydraulic power to each of the motion control units.2. The power distribution architecture of claim 1 , further comprising a hydraulic accumulator in fluid communication with the common pressure rail.3. The power distribution architecture of any of claim 1 , further comprising a first battery corresponding to the work circuit that is electrically connected to the electrical bus.4. The power distribution architecture of any of claim 1 , wherein the electrical bus is a DC electrical bus.5. The power distribution architecture of any of claim 1 , further comprising a prime mover which drives an electric generator for providing electrical power to a motor drive of an electric traction motor of a propel circuit of the vehicle claim 1 , wherein the prime mover also is coupled by a mechanical power take-off to a pump for pressuring the common pressure rail claim 1 , wherein the motor drive is configured to direct a DC output along a DC power line to a power distribution unit claim 1 , wherein the power distribution unit electrically connects the DC power line to the electrical bus and provides DC-DC power conversion such that the DC electrical bus has a lower DC voltage than the DC power line claim 1 , and wherein the power ...

SYSTEM AND METHOD FOR PROVIDING ASIL D FAIL OPERATIONAL POWER SYSTEMS IN AUTOMATED VEHICLE APPLICATIONS

A vehicle control unit (e.g., a control unit for an automobile) receives feedback from an intelligent voltage/current sensor and a DC/DC controller. The DC/DC controller comprises a first switch for controlling power from a primary power source (e.g., low voltage power supplied from a high voltage battery). The intelligent voltage/current sensor senses power output from the primary power source. The vehicle control unit processes feedback from the intelligent voltage/current sensor and/or the DC/DC controller to determine if a failure has occurred in the primary power source. In response to determining the failure in the primary power source, the vehicle control unit disables the power from the primary power source using a second switch (e.g., a switch in a relay). 120-. (canceled)21. A system for providing fail operational power comprising:a DC/DC controller, wherein the DC/DC controller comprises a DC/DC converter and a first switch that controls power from a high voltage vehicle battery pack to a low voltage power network, wherein the high voltage vehicle battery pack and the DC/DC controller comprise a primary power source; andan intelligent voltage/current sensor with a first feedback path to the DC/DC controller that controls the first switch and a second feedback path to a driver that controls a relay switch for controlling the power from the primary power source to the low voltage power network;wherein the intelligent voltage/current sensor detects a failure in the primary power source, and, in response to detecting the failure in the primary power source, provides a signal for switching the relay switch that disables the power from the primary power source.22. The system of claim 21 , wherein the intelligent voltage/current sensor monitors the power from the high voltage vehicle battery pack and from the DC/DC controller.23. The system of claim 21 , wherein the detected failure is based on at least one of an identified voltage claim 21 , an identified ...

Electric vehicle and charge control apparatus for electric vehicle

An electric vehicle includes a power receiver and a controller. The power receiver is configured to wirelessly receive electric power from power transmission equipment disposed outside the vehicle. The controller is configured to control power transmission from the power transmission equipment to the power receiver. The controller includes a determination processor and a frequency control unit. The determination processor is configured to make a determination, in a case where the power transmission is stopped due to a foreign object present between the power transmission equipment and the vehicle, as to whether the power transmission is restartable with a predetermined frequency after the power transmission is stopped. The frequency control unit is configured to change the frequency with which the determination processor makes the determination.

IN-VEHICLE DC-DC CONVERTER

Provided is a configuration in which, in an in-vehicle DC-DC converter, a limitation value of input power or output power can be determined according to the temperature of a power storage unit. In an in-vehicle DC-DC converter (), a determination unit uses a scheme for determining whether or not input power of an input-side conductive path has reached an input power limitation value that is determined according to an input voltage of the input-side conductive path and a temperature range to which the temperature of an input-side power storage unit belongs, or a scheme for determining whether or not output power of an output-side conductive path has reached an output power limitation value that is determined according to an output voltage of the output-side conductive path and a temperature range to which the temperature of an output-side power storage unit belongs. 1. An in-vehicle DC-DC converter that steps up or down a voltage applied to an input-side conductive path , which is one of a first conductive path and a second conductive path , and outputs the voltage to an output-side conductive path , which is the other of the first conductive path and the second conductive path , the in-vehicle DC-DC converter comprising:a voltage conversion unit that includes a switching element that performs an on/off operation in accordance with being supplied with a control signal, the voltage conversion unit stepping up or down a voltage applied to the input-side conductive path, through an on/off operation by the switching element, and outputting the voltage to the output-side conductive path;a control unit that outputs the control signal to the voltage conversion unit;an input voltage detection unit that detects an input voltage applied to the input-side conductive path;an input current detection unit that detects an input current flowing through the input-side conductive path;a determination unit that determines whether or not input power of the input-side conductive path has ...

VEHICLE POWER SUPPLY WITH LOAD SHED INTERLOCK

A vehicle power management system includes a primary power bus for powering a first non-critical load, a secondary power bus for powering a second non-critical load, and a first relay electrically connected between the primary power bus and the first non-critical load. The vehicle power management system further includes a second relay electrically connected between the secondary power bus and the second non-critical load. The first inductor is electrically connected to the secondary power bus and the second inductor is electrically connected to the primary power bus. 1. A vehicle power management system comprising:a primary power bus for powering a first non-critical load;a secondary power bus for powering a second non-critical load;a first relay electrically connected between the primary power bus and the first non-critical load; anda second relay electrically connected between the secondary power bus and the second non-critical load,wherein the first inductor is electrically connected to the secondary power bus and the second inductor is electrically connected to the primary power bus.2. The vehicle power management system of claim 1 , further comprising a first voltage converter electrically connected to the primary power bus.3. The vehicle power management system of claim 2 , further comprising a second voltage converter electrically connected to the secondary power bus.4. The vehicle power management system of claim 1 , further comprising a first power storage electrically connected to the primary power bus.5. The vehicle power management system of claim 4 , further comprising a second power storage electrically connected to the secondary power bus.6. The vehicle power management system of claim 1 , further comprising a processor claim 1 , wherein the first relay includes a first switch and a first inductor and wherein the second relay includes a second switch and a second inductor claim 1 , and wherein the processor is programmed to control a state of the ...

Method and arrangement for providing an electrical power for an on-board power supply system of a motor vehicle

A motor vehicle has a high-voltage battery ( 11 ) and two separate electric machines. Each electric machines is associated with a power electronics unit ( 13, 14 ), and each power electronics unit ( 13, 14 ) has a DC-to-DC converter ( 13 — 1, 14 — 1 ). Each DC-to-DC converter ( 13 — 1, 14 — 1 ) is designed to reduce a high voltage of the high-voltage battery ( 11 ) to a predetermined voltage. The two DC-to-DC converters ( 13 — 1, 14 — 1 ) of the two power electronics units ( 13, 14 ) are connected electrically in parallel and are set to different voltage values.

Contactless power receiving device, vehicle equipped with the same, contactless power transmitting device, and contactless power transfer system

A resonance coil of a vehicle resonates with a resonance coil of a power transmitting device via an electromagnetic field to thereby receive alternating-current power output from the resonance coil in a noncontact manner. An inverter receives the alternating-current power, received by the resonance coil, from an electromagnetic induction coil, converts the alternating-current power to direct-current power and outputs the direct-current power to a power line. In addition, the inverter converts direct-current power, received from the power line, to alternating-current power and outputs the alternating-current power to the electromagnetic induction coil in order to output electric power from the resonance coil to the resonance coil of the power transmitting device, and electric power is supplied to the resonance coil by the electromagnetic induction coil.

Power supply device of vehicle

A vehicle includes a first battery; a converter; a second battery connected to an electric load in parallel with the converter; a charging device charging the first battery or the second battery using an external power supply of the vehicle; an electrical leakage detection device connected to the first battery and detecting electrical leakage; and a control device, when the second battery is charged using the charging device, causing one of electrodes of the first battery and one of electrodes of the second battery to be connected to each other, and determining based on a detection result by the electrical leakage detection device whether electrical leakage occurs or not.

Device for Energy Distribution and/or Energy Conversion in a Hybrid or Electric Vehicle

The invention relates to a device () for energy distribution and/or energy conversion, the device being arranged in a hybrid- or electric vehicle () having at least one vehicle interior () and at least one battery () for driving at least one electric drive motor (). To improve the total energy balance of the hybrid- or electric vehicle (), according to the invention the device () comprises a housing () in which at least one electronic, electric, electromechanical, or electrochemical device () is arranged, the waste heat of which, generated during the distribution and/or conversion of energy, is fed into a flow of heat transfer medium () which passes through the housing (), said flow being connected at its outlet to the vehicle interior () and/or to the battery (). 1101102103102040501011021031101211221311321331611621711722101102040. A device ( , , ) for energy distribution and/or energy conversion , which is arranged in a hybrid- or electric vehicle () having at least one vehicle interior () and having at least one battery () for driving at least one electric drive motor () , wherein the device ( , , ) comprises a housing () in which at least one electronic , electrical , electromechanical or electrochemical device ( , , , , , , , , ) is arranged , the waste heat of which , generated during energy distribution and/or energy conversion , is fed to a flow of heat transfer medium () which passes through the housing () , which is connected at the outlet to the vehicle interior () and/or the battery () ,{'b': 101', '102', '103', '140', '121', '122', '131', '132', '133', '161', '162', '171', '172', '140', '121', '122', '131', '132', '133', '161', '162', '171', '172', '121', '122', '131', '132', '133', '161', '162', '171', '172, 'and wherein the device (, , ) comprises at least one control device () which comprises a microcontroller (μC) or electronics of one of the at least one electronic, electrical, electromechanical or electrochemical devices (, , ,, , , , , ), wherein ...

METHOD FOR DETERMINING AT LEAST TWO EQUIVALENT INSULATION RESISTANCES OF AN ELECTRIC SYSTEM

The present invention is a method of determining at least two equivalent insulation resistances for an electric system including a power source (), an inverter (), an electric load () and a measurement circuit (). Measurements are performed during operation of the electric system, when the controlled switches of inverter () are in a zero sequence. The present invention also relates to a control system implementing same. 113-. (cancelled)14. A method of determining at least two equivalent insulation resistances for an electrical system including an electrical power source , an energy converter and an electric load , the energy converter comprising switching branches , each of the switching branches comprising two controlled switches , the electric system further including a measurement circuit between a positive terminal of the electrical power source and ground or a chassis of the electrical system and the measurement circuit comprising a shunt resistor in series with a controlled switch , the method comprising steps of:a) when controlled switches of the energy converter are in a zero sequence, measuring two voltages in parallel with the measurement circuit, a first voltage being measured with the controlled switch of the measurement circuit being in an open position, and a second voltage being measured with the controlled switch of the measurement circuit in closed position; andb) determining the equivalent insulation resistances of the electrical system by using of the measured voltages.15. The method as claimed in claim 14 , wherein the controlled switches of the energy converter are controlled by pulse width modulation.16. The method as claimed in claim 14 , wherein four equivalent insulation resistances are determined by repeating steps a) and b) for each zero sequence of control of the controlled switches of the energy converter.21. A method as claimed in claim 14 , wherein the equivalent insulation resistances are compared with a threshold to determine a ...

BATTERY UNIT

A unit is equipped with a main battery, a pair of third wires that are connected to the main battery, a system main relay that is arranged on the third wires, a pair of fourth wires that is connected to the third wires between the system main relays and the main battery to the converter, a converter that is connected to the fourth wires, a case for accommodation, a main connector that connects the wire to a pair of first wires outside the case, and a sub-connector that connects the converter to a pair of second wires outside the case. 1. A battery unit configured to be connected to a pair of first wires and a pair of second wires ,the first wires being located outside the battery unit, the first wires being wires extending to an electric power control unit configured to supply electric power to a motor for running,the second wires being located outside the battery unit, and the second wires being wires extending to a sub-battery configured to supply electric power to an auxiliary machine,the battery unit comprising:a case;a main battery including a pair of electrodes;a pair of main connectors exposed from the case, the main connectors being respectively connected to the first wires;a sub-connector exposed from the case, the sub-connector being connected to the second wires;a pair of third wires connected to the main battery, the electrodes, and the main connectors, in the case;system main relays respectively arranged in the third wires, the system main relays respectively including switches configured to switch between conduction and non-conduction of the third wires;a converter;a pair of fourth wires connected to the third wires between the system main relays and the main battery to the converter; anda pair of fifth wires connected to the sub-connector and the converter.2. The battery unit according to claim 1 , further comprising a pair of sixth wires claim 1 , wherein the sixth wires respectively connects to the third wires between the system main relays and the ...

MULTI-PHASE CONVERTER

A multi-phase converter for an energy system, as is used in fuel cell vehicles, and methods for operating the multi-phase converter, are described herein. 1. A multi-phase direct voltage converter , comprising:a plurality of current regulators connected in parallel with one another, each of the current regulators having a first input connected to a positive path of the multi-phase direct voltage converter and a second input connected to a negative path of the multi-phase direct voltage converter,wherein the first inputs of the current regulators connected to the positive path are divided into at least two groups, and/or the second inputs of the current regulators connected to the negative path are divided into at least two groups, andwherein the inputs of one of the at least two groups are interconnected with one another, and each of the at least two groups is associated with a switch-off element.2. The multi-phase direct voltage converter according to claim 1 , wherein the plurality of current regulators connected in parallel with one another includes three current regulators connected in parallel with one another.3. The multi-phase direct voltage converter according to claim 1 , wherein the current regulators are step-up converters.4. The multi-phase direct voltage converter according to claim 1 , wherein the switch-off elements comprise at least one electromechanical contactor.5. The multi-phase direct voltage converter according to claim 1 , wherein the switch-off elements comprise at least one semiconductor switch.6. The multi-phase direct voltage converter according to claim 5 , wherein the semiconductor switch comprises at least one MOSFET or one IGBT.7. The multi-phase direct voltage converter according to claim 1 , wherein each input of the current regulators connected to the positive path is associated with one switch-off element and/or each input of the current regulators connected to the negative path is associated with one switch-off element.8. A method ...

METHOD AND APPARATUS FOR CHARGING MULTIPLE ENERGY STORAGE DEVICES

An electric vehicle includes a controller configured to receive sensor feedback from a high voltage storage device and from a low voltage storage device, compare the sensor feedback to operating limits of the respective high and low voltage storage device, determine, based on the comparison a total charging current to the high voltage storage device and to the low voltage storage device and a power split factor of the total charging current to the high voltage device and to the low voltage device, and regulate the total power to the low voltage storage device and the high voltage storage device based on the determination. 1. An energy storage and management system (ESMS) for a vehicle propulsion system , the ESMS comprising:an energy storage device;a first DC/DC conversion device coupled to an internal charging source for charging the energy storage device;a second DC/DC conversion device coupleable to an external charging source for charging the energy storage device; a first energy port coupled to the energy storage device;', 'a second energy port coupled to the energy storage device;', 'a third energy port coupled to the first DC/DC conversion device; and', 'a fourth energy port coupled to the second DC/DC conversion device; and, 'a plurality of energy ports for coupling the energy storage device to at least one of the first and second DC/DC conversion devices, the plurality of energy ports including selectively control operation of the first DC/DC conversion device when charging the energy storage device from the internal charging source; and', 'selectively control operation of the second DC/DC conversion device when charging the energy storage device from the external charging source., 'a control system configured to2. The ESMS of claim 1 , wherein the energy storage device is a battery.3. The ESMS of claim 1 , further comprising a second energy storage device.4. The ESMS of claim 1 , wherein the first DC/DC conversion device comprises a bi-directional buck/ ...

METHOD AND APPARATUS FOR CHARGING MULTIPLE ENERGY STORAGE DEVICES

An electric vehicle includes a controller configured to receive sensor feedback from a high voltage storage device and from a low voltage storage device, compare the sensor feedback to operating limits of the respective high and low voltage storage device, determine, based on the comparison a total charging current to the high voltage storage device and to the low voltage storage device and a power split factor of the total charging current to the high voltage device and to the low voltage device, and regulate the total power to the low voltage storage device and the high voltage storage device based on the determination. 1. An energy storage and management system (ESMS) for a vehicle propulsion system , the ESMS comprising:an energy storage device;a first DC/DC conversion device coupleable to an internal charging source for charging the energy storage device;a second DC/DC conversion device coupleable to an external charging source for charging the energy storage device; the first switching device being coupled between the common junction and the external charging source via a first path that does not include the second switching device; and', 'the second switching device being coupled between the common junction and the internal charging source via a second path that does not include the first switching device; and, 'a plurality of switching devices for coupling the energy storage device to at least one of the first and second DC/DC conversion devices, the plurality of switching devices including a first switching device and a second switching device coupled to a common junction that has a common path to the energy storage device selectively control operation of the first DC/DC conversion device and at least one switching device when charging the energy storage device from the internal charging source; and', 'selectively control operation of the second DC/DC conversion device and at least one switching device when charging the energy storage device from the ...

VEHICLE POWER-SOURCE DEVICE AND CONTROL METHOD FOR VEHICLE POWER-SOURCE DEVICE

Disclosed is a vehicle power-source device provided with a capacitor that stores regenerative power that is output from an alternator, a DC/DC converter having a voltage conversion part that converts an output voltage of the alternator and supplies the converted voltage to a main battery and a load group, a first current sensor that detects discharge current of the capacitor at the time of a regeneration operation, and control parts and that decrease an output voltage setting value to be supplied to a voltage conversion part, based on reception of a discharge current detection signal that is output from the first current sensor. 1. A vehicle power-source device comprising:a capacitor configured to store regenerative power that is output from an alternator;a DC/DC converter having a voltage conversion part configured to convert an output voltage of the alternator and supply the converted voltage to a main battery and a load group;a first current sensor configured to detect discharge current of the capacitor at a time of a regeneration operation;a second current sensor configured to detect charge current that is supplied to the main battery from the DC/DC converter; anda control part configured to decrease an output voltage of the voltage conversion part to a level at which the charge current is not supplied to the main battery, by decreasing an output voltage setting value to be supplied to the voltage conversion part, when both a discharge current detection signal that is produced when output power of the alternator decreases to less than output power of the DC/DC converter during the regeneration operation of the alternator and that is output from the first current sensor and a charge current detection signal that is output from the second current sensor are received during the regeneration operation of the alternator.2. (canceled)3. The vehicle power-source device according to claim 1 ,wherein the control part includes:a power source control ECU configured to ...

POWER SOURCE SYSTEM

A power source system includes a first power source, a second power source, a Direct Current to Direct Current converter, a first load including a vehicle control device configured to perform predetermined control regarding at least one of traveling, steering, and braking of the vehicle regardless of a driving operation performed by a driver of the vehicle, and an electric actuator as a control target of the vehicle control device, and connected to the first path so as to be supplied with power from the first power source, and a power source control device configured to control an operation of the Direct Current to Direct Current converter such that power is supplied to the first path from the second power source in a case where the predetermined control is performed. 1. A power source system comprising:a first power source that is mounted on a vehicle;a second power source that is mounted on the vehicle;a Direct Current to Direct Current converter that is mounted on the vehicle and is connected to the second power source, and that is configured to adjust power supplied from the second power source so as to output the adjusted power to a first path connected to the first power source; a power source control device that is mounted on the vehicle, and is configured to control an operation of the Direct Current to Direct Current converter such that power is supplied to the first path from the second power source in a case where the predetermined control is performed; and', 'a first relay that is mounted on the vehicle, the first load being connected to a second path diverging from the first path, the first relay being provided at a portion closer to the first power source than a junction with the second path on the first path, wherein', 'the power source control device is configured to determine whether or not the first relay is turned on, and', 'the vehicle control device is configured to perform the predetermined control when the first relay is turned on., 'a first ...

Control apparatus

A control apparatus is used for an electric electric vehicle. The electric vehicle charges a storage battery with electric power that is supplied while traveling in a power supply lane that is a travelling road on which contactless power supply is able to be performed. The control apparatus for the electric vehicle includes a charging control unit and a range changing unit. The charging control unit controls charging of a storage battery of an electric vehicle such that a charge amount of the storage battery falls within a target range that is a preset range. The range changing unit changes at least one of an upper limit value and a lower limit value of the target range based on a state of the electric vehicle.

Method and apparatus for selectively performing full bridge control and half bridge control in wireless power transfer system using lccl-s resonant network

A method for selectively performing a full bridge control and a half bridge control in a WPT system using an LCCL-S resonant network may include: performing the full bridge control by controlling the switches not connected in series of the full bridge inverter to operate simultaneously; calculating a coupling coefficient of the WPT system; determining whether it is possible to switch the full bridge control to the half bridge control based on the calculated coupling coefficient; in response to determining that it is possible to switch the full bridge control to the half bridge control, calculating a load of the WPT system; and performing the half bridge control for the full bridge inverter based on the calculated load.

INTEGRATED POWER SYSTEMS FOR ELECTRIC VEHICLES

A power module for a vehicle includes a bidirectional voltage converter to i) convert a first voltage to a second voltage and convert the second voltage back to the first voltage, and ii) convert the first voltage to a third voltage and convert the third voltage back to the first voltage. The power module includes one or more power sources coupled to the bidirectional voltage converter and to supply power to auxiliary components of the vehicle. The power module includes a controller to control the bidirectional voltage converter and the one or more power sources. The first voltage is for supplying power to a powertrain of the vehicle, and the second voltage and the third voltage are for supplying power to the one or more power sources. 1. A power module for a vehicle , comprising:a bidirectional voltage converter to i) convert a first voltage to a second voltage and convert the second voltage back to the first voltage, and ii) convert the first voltage to a third voltage and convert the third voltage back to the first voltage;one or more power sources coupled to the bidirectional voltage converter and to supply power to auxiliary components of the vehicle; and wherein the first voltage is for supplying power to a powertrain of the vehicle, and', 'wherein the second voltage and the third voltage are for supplying power to the one or more power sources., 'a controller to control the bidirectional voltage converter and the one or more power sources,'}2. The power module of claim 1 , wherein the first voltage is 400V claim 1 , the second voltage is 48V claim 1 , and the third voltage is 12V.3. The power module of claim 1 , wherein the one or more power sources comprises a first set of battery cells to supply power to a first set of the auxiliary components that operate using the second voltage claim 1 , and a second set of battery cells to supply power to a second set of the auxiliary components that operate using the third voltage.4. The power module of claim 3 , ...

Vehicle having controller for managing battery and method for the same

Disclosed are a vehicle and method for managing a battery for vehicle. The vehicle includes a battery configured to be charged and discharged while connected to a charger; and a controller configured to charge the battery by distributing charging current for the battery with the foremost priority if the charging current for the battery is smaller than consumption current, and distribute the consumption current after a state of charge (SoC) of the battery reaches a target charging level.

DC-TO-DC VOLTAGE CONVERTER, VOLTAGE SUPPLY DEVICE, AND DIAGNOSTIC METHOD FOR A DC-TO-DC VOLTAGE CONVERTER

The invention relates to the diagnosis of the switching elements in a bidirectional DC-to-DC voltage converter. By charging a capacitor in the DC-to-DC voltage converter and then specifically actuating the switching elements and evaluating the voltage in the charged capacitor of the DC-to-DC converter, it is possible to identify a faulty switching element. 11110220111121234. A diagnostic method for a bidirectional DC-to-DC voltage converter that comprises a first capacitor (C) and a first full bridge () at a first DC voltage terminal () and that comprises a second full bridge () at a second DC voltage terminal () , wherein the first full bridge () comprises two half bridges ( , ) each having a first switching element (M , M) and a second switching element (M , M) , comprising the steps of:{'b': 1', '10, 'providing (S) a first DC voltage at the second DC voltage terminal () of the DC-to-DC voltage converter;'}{'b': 2', '1', '2', '3', '4', '1, 'opening (S) the first switching elements (M, M) and the second switching elements (M, M) in the first full bridge ();'}{'b': 3', '1', '2, 'charging (S) the first capacitor (C) to a predetermined first test voltage by driving the second full bridge ();'}{'b': 4', '1', '2', '1, 'closing (S) a first switching element (M, M) in the first full bridge ();'}{'b': 5', '3', '4', '1', '1', '2, 'detecting (S) a faulty second switching element (M, M) if the electric voltage across the first capacitor (C) drops by more than a predefined first voltage value within a predetermined first time interval following the closure of the first switching element (M, M);'}{'b': 6', '1', '2', '1, 'opening (S) the closed first switching element (M, M) in the first full bridge ();'}{'b': 7', '3', '4', '1, 'closing (S) a second switching element (M, M) in the first full bridge (); and'}{'b': 8', '1', '2', '1', '3', '4, 'detecting (S) a faulty first switching element (M, M) if the electric voltage across the first capacitor (C) drops by more than a ...

Power supply system

A power supply system includes: a load; a power line connected to the load; first and second DC power supplies being capable of supplying electric power to the load; a power converter connected between the first and second DC power supplies and the power line; and a controller for controlling an operation of the power converter. When shifting of the first operating mode employing only one of the first and second power supplies to the second operating mode employing both the first and second power supplies is started, the controller sets input and output power command values for other of the first and second DC power supplies to be equal to or higher than a lower limit value, and maintains, within a predetermined range, a ratio of the input and output power command values for the first and second DC power supplies, relative to the power demanded by the load.

Power transmission device, power reception device and power transfer system

A power transmission device for use in a power transfer system in which resonance through an electromagnetic field is used includes a power-transmission-side electromagnetic induction coil, a power-transmission-side resonance unit, and a power-transmission-side shield unit surrounding the power-transmission-side electromagnetic induction coil and the power-transmission-side resonance unit. The power-transmission-side electromagnetic induction coil and the power-transmission-side resonance unit are disposed in an identical plane.

Electric power source device

An electric power source device has a transformer, a primary-side semiconductor module, a secondary-side semiconductor module, a secondary-side electrical component, a base plate and a circuit substrate on which substrate-side electrical components are mounted. The primary-side semiconductor module has a larger exterior size than the secondary-side electrical component. The primary-side semiconductor module and the secondary-side electrical component form a stacked section. In the stacked section, the secondary-side electrical component is stacked, in a vertical direction, i.e. a direction of a normal line of a mounting surface of the base plate, on the primary-side semiconductor module. The primary-side semiconductor module is directly mounted on the mounting surface. At least a part of the substrate-side electrical components is arranged inside of the primary-side semiconductor module in a horizontal direction, and inside of a second surface of the stacked section toward the mounting surface along the normal line.

BIDIRECTIONAL DC/DC CONVERTER AND METHOD FOR CHARGING THE INTERMEDIATE CIRCUIT CAPACITOR OF A DC/DC CONVERTER FROM THE LOW-VOLTAGE BATTERY

The invention relates to a bidirectional DC/DC converter for transmitting energy between a high-voltage grid (HV) and a low-voltage grid (LV), comprising connections for a high-voltage battery (U) and a low-voltage battery (U). The converter comprises the following:—one or more transformers (1) for galvanically isolating the low-voltage grid (LV) from the high-voltage grid (HV), an intermediate circuit capacitor (C) in the high-voltage grid (HV),—electronic switches (Dto D, Mto M) for connecting and reversing the polarity of the coil of the transformer (1) on the high-voltage grid (HV) and on the low-voltage grid (LV),—a controller (2) for controlling the electronic switches (Dto D),—and a series inductance (W) in the low-voltage grid (NV). The series inductance (W) is designed as a discharge transformer (3) for discharging the energy stored in the series inductance (W), wherein a second coil (W) is connected in series to a discharge switch (S) and a diode (D), and the series inductance (W ) is discharged to the low-voltage battery (UNV) when the discharge switch (S) is activated. The invention additionally relates to a method for charging the intermediate circuit capacitor (C) of the converter to the high-voltage grid potential from the low-voltage battery (U). 2. The bidirectional DC/DC converter as claimed in claim 1 , wherein the converter is a forward converter or a flyback converter having galvanic isolation and comprising a current-fed intermediate circuit.3. The bidirectional DC/DC converter as claimed in claim 1 , wherein the converter is configured as a single-phase or multiphase full-bridge phase-shifted (FBPS) converter claim 1 , as a push-pull converter claim 1 , or as a multilevel converter.412. The bidirectional DC/DC converter as claimed in claim 1 , in which the transformer () claim 1 , the electronic switches (Dto D claim 1 , Mto M) claim 1 , and the control unit () are configured as a single-phase full-bridge phase-shifted (FBPS) DC/DC converter ...

HYBRID VEHICLE

A hybrid vehicle includes an electronic control unit. The electronic control unit is configured to a) control operation of the power generation mechanism such that a state of charge of the secondary battery is kept at a predetermined control target; b) calculate an estimated actual state of charge of the secondary battery based on an integrated current value and a state of charge decrease amount due to self-discharge of the secondary battery, the integrated current value being obtained by integrating an input current and an output current of the secondary battery; and c) when the estimated actual state of charge has decreased below a predetermined first lower limit state of charge, raise the control target. 1. A hybrid vehicle comprising:a secondary battery;a drive mechanism configured to generate driving force by using electric power from the secondary battery;an internal combustion engine;a power generation mechanism configured to generate electric power for charging the secondary battery by using power output from the internal combustion engine; andan electronic control unit configured toa) control operation of the power generation mechanism such that a state of charge of the secondary battery is kept at a predetermined control target,b) calculate an estimated actual state of charge of the secondary battery based on an integrated current value and a state of charge decrease amount due to self-discharge of the secondary battery, the integrated current value being obtained by integrating an input current and an output current of the secondary battery, andc) when the estimated actual state of charge has decreased below a first lower limit state of charge, raise the control target.2. The hybrid vehicle according to claim 1 , whereinthe electronic control unit is configured tod) calculate a control state of charge based on the integrated current value,e) when the control state of charge has decreased to a second lower limit state of charge, forcibly charge the ...

HIGH GAIN DC-DC CONVERTER FOR ELECTRIFIED VEHICLES

A variable voltage converter transfers charge between a battery and a DC link. A first inductor couples a positive battery node and a first node. A first transistor selectably couples the first node to a negative battery node. A first capacitor has a negative terminal coupled to the negative battery node. A second inductor couples a positive terminal of the first capacitor to a second node. A second capacitor has a positive terminal coupled to the first node. A second transistor selectably couples the second node to a negative terminal of the second capacitor. When the transistors are non-conducting, the second inductor charges the DC link and the first inductor charges the first and second capacitors. When the transistors are conducting, the inductors are energized in parallel by the battery and the first and second capacitors. High voltage gain is obtained at relatively low values for the PWM duty cycle. 1. A variable voltage converter adapted to transfer charge between a power storage unit and a DC link in an electric drive system , comprising;a first inductor coupled between a positive power storage node and a first switching node;a first switching device selectably coupling the first switching node to a negative power storage node;a first capacitor having a negative terminal coupled to the negative power storage node;a second inductor coupled between a positive terminal of the first capacitor and a second switching node;a second capacitor having a positive terminal coupled to the first switching node; anda second switching device selectably coupling the second switching node to a negative terminal of the second capacitor;wherein the first and second inductors are connected in series when the first and second switching devices are non-conducting so that the second inductor charges the DC link and the first inductor charges the first and second capacitors; andwherein the first and second inductors are energized in parallel by the power storage unit and the first ...

REDUNDANT POWER SUPPLY

A vehicle system includes multiple DC-DC converter circuits, vehicle batteries, and vehicle power distribution buses. Each vehicle battery is electrically connected in parallel to each of the DC-DC converter circuits. Each of the vehicle batteries is also electrically connected in parallel to one another. Further, each of the DC-DC converter circuits and each of the vehicle batteries are electrically connected to multiple vehicle power distribution buses. 1. A vehicle system comprising:a plurality of DC-DC converter circuits; anda plurality of vehicle batteries electrically connected in parallel to each of the plurality of DC-DC converter circuits, wherein each of the vehicle batteries are electrically connected in parallel to one another,wherein each of the plurality of DC-DC converter circuits and each of the plurality of vehicle batteries is electrically connected to a plurality of vehicle power distribution buses.2. The vehicle system of claim 1 , wherein the plurality of vehicle power distribution buses includes:a main power distribution bus electrically connected to each of the plurality of DC-DC converter circuits and each of the plurality of vehicle batteries; andan auxiliary power distribution bus electrically connected to each of the plurality of DC-DC converter circuits and each of the plurality of vehicle batteries.3. The vehicle system of claim 2 , wherein each of the main power distribution bus and the auxiliary power distribution bus further includes an overload protection circuit that shuts off at least one of the plurality of vehicle power distribution buses when a current consumption associated with at least one of the plurality of vehicle power distribution buses exceeds a predetermined threshold.4. The vehicle system of claim 2 , wherein the main power distribution bus and the auxiliary power distribution bus each include a plurality of individually interruptible output terminals.5. The vehicle system of claim 4 , further comprising a processor ...

INTERLEAVED CONVERTER POWER SYSTEM

A power system is configured to deliver direct current (DC) electric power to an energy storage system (ESS) at a first voltage and to deliver DC electric power from the ESS at a second voltage. A converter is coupled to an electric power source at the second voltage. The converter includes a boost converter and a buck converter. The boost converter and the buck converter are configurable in a first interleaved arrangement and in a second interleaved arrangement, different than the first interleaved arrangement. In the first interleaved arrangement the converter provides DC electric power from the power source to the ESS at the first voltage, and in the second interleaved arrangement the converter provides DC electric power from the ESS to the power source at the second voltage. 1. A power system configured to deliver direct current (DC) electric power to an energy storage system (ESS) at a first voltage and to deliver DC electric power from the ESS at a second voltage , different than the first voltage , the system comprising:a converter operably coupled to an electric power source at the second voltage, the converter comprising:a boost converter and a buck converter, the boost converter and the buck converter being configurable in a first interleaved arrangement via the selective configuration of at least one switch associated with the boost converter and the buck converter, and in a second interleaved arrangement, different than the first interleaved arrangement, via the selective configuration of the at least one switch, and wherein,in the first interleaved arrangement the converter provides DC electric power from the power source to the ESS at the first voltage, and in the second interleaved arrangement the converter provides DC electric power from the ESS to a load at the second voltage.2. The power system of claim 1 , wherein each of the boost converter and the buck converter comprises claim 1 , operably coupled claim 1 , an inductor and a semiconductor ...

SECURITY MANAGEMENT ACCORDING TO LOCATION CHANGE IN PROXIMITY BASED SERVICES

A mobile communication system for ProSe (Proximity Services) includes a plurality of User Equipments (UEs) that are in proximity and form a group for a ProSe direct communication, and a network that directly connects to the plurality of UEs. The plurality of UEs obtains a group ID from the network and sends a request message to the network. The network checks the plurality of UEs, derives a first security key related to the group, and sends a response message including the first security key to the plurality of UEs. The plurality of UEs derives a second security key based on the first security key and protects the ProSe direct communication by using the second security key. 1. A mobile communication system for ProSe (Proximity Services) , the mobile communication system comprising:a plurality of User Equipments (UEs) that are in proximity and form a group for a ProSe direct communication; anda network that directly connects to the plurality of UEs,wherein the plurality of UEs obtains a group ID from the network and sends a request message to the network,wherein the network checks the plurality of UEs, derives a first security key related to the group, and sends a response message including the first security key to the plurality of UEs, andwherein the plurality of UEs derives a second security key based on the first security key and protects the ProSe direct communication by using the second security key.2. The mobile communication system of claim 1 , wherein the ProSe direct communication between the plurality of UEs supports confidentiality.3. The mobile communication system of claim 1 , wherein the response message includes a group member ID and the first security key.4. A network in a mobile communication system for ProSe (Proximity Services) claim 1 , the network comprising:a receiver configured to receive a request message from a plurality of User Equipments (UEs) that are in proximity and form a group for a ProSe direct communication;a controller configured ...

Mobile Charging Station with Battery Storage for Electric Vehicles

A mobile charging station with battery storage for electric vehicles is provided. In one embodiment, a mobile charging station receives a continuous Level 2 charge, converts the continuous Level 2 charge to an intermittent Direct Current Fast Charge (DCFC), and provides the intermittent Direct Current Fast Charge (DCFC) to an electric vehicle for charging. In another embodiment, the mobile charging station has a plurality of charging inputs and charging outputs and provides charge received from one of the plurality of charging inputs to one of the plurality of charging outputs. In yet another embodiment, the mobile charging station is mobile but not integrated in any one vehicle. Other embodiments are provided. 1. (canceled)2. A mobile charging station comprising:an input configured to receive a continuous Level 2 charge;a converter configured to convert the continuous Level 2 charge to an intermittent Direct Current Fast Charge (DCFC); andan output configured to provide the intermittent Direct Current Fast Charge (DCFC) to an electric vehicle for charging.3. The mobile charging station of claim 2 , wherein one or both of the input and output comprises a J1772-CCS interface.4. The mobile charging station of claim 2 , wherein one or both of the input and output comprises a CHAdeMO interface.5. The mobile charging station of claim 2 , further comprising an energy storage system comprising a battery and configured to store the continuous Level 2 charge received from the input as energy in the battery.6. The mobile charging station of claim 5 , further comprising a station charging system configured to receive the continuous Level 2 charge via the input and provide it to the energy storage system for storage.7. The mobile charging station of claim 5 , further comprising an electrical vehicle charging system configured to deliver stored energy from the energy storage system to the electrical vehicle via the output.8. The mobile charging station of claim 5 , further ...

REDUNDANT POWER SUPPLY SYSTEM

The present invention relates to a power supply system, especially for a floating vessel, comprising at least two segregated power sections, each constituting a main redundancy group, and each comprising at least one of a power generator adapted to generate an electrical power to a main switchboard and a power consumer, such as a propulsion unit, drawing power from said switch board, and a bus-tie connecting the main switch boards of each redundancy group. The system also comprises at least to segregated directly powered thruster redundancy groups, each including a thruster drive, each being connected to the main switch board of a corresponding one of the main redundancy groups, respectively, the thruster redundancy groups including AC/DC converter means and a DC interconnection connecting the thruster redundancy groups thus proving a loop structure, the thruster redundancy groups being able to draw power from both main switchboards. 1. A power supply system , especially for a floating vessel , comprising at least two segregated power sections , each constituting a main redundancy group , and each comprising at least one of a power generator adapted to generate an electrical power to a main switch board and a power consumer , such as a propulsion unit , drawing power from the switch board , and a bus-tie connecting the main switch boards of each redundancy group , the system also comprising at least two segregated directly powered thruster redundancy groups , each including a thruster drive , each being connected to the main switch board of a corresponding one of the main redundancy groups , respectively , the thruster redundancy groups including AC/DC converter means and a DC interconnection connecting the thruster redundancy groups thus proving a loop structure , the thruster redundancy groups being able to draw power from both main switchboards ,wherein the power supply system includes at least one indirectly powered redundancy group being connected in the loop ...

CHARGING APPARATUS FOR VEHICLE

A charging apparatus is for a vehicle and the charging apparatus includes a charging port, an AC-DC converter, a capacitor, a DC-DC conversion unit and an electronic control unit. The electronic control unit is configured to reduce an output current from the DC-DC conversion unit to at least one of the electric power storage device or the auxiliary load in response to a deterioration from a predetermined state of a state of the electric power supplied from the outside of the vehicle to the charging port. 1. A charging apparatus for a vehicle , the charging apparatus comprising:a charging port;an AC-DC converter configured to convert AC electric power received from the charging port into DC electric power;a capacitor configured to smooth the DC electric power converted by the AC-DC converter;a DC-DC conversion unit configured to convert a voltage of the capacitor and supply the voltage to at least one of an electric power storage device or an auxiliary load; andan electronic control unit configured to control the DC-DC conversion unit, the electronic control unit being configured to reduce an output current from the DC-DC conversion unit to at least one of the electric power storage device or the auxiliary load in response to a deterioration from a predetermined state of a state of the electric power supplied from the outside of the vehicle to the charging port.2. The charging apparatus according to claim 1 , further comprising:a sensor configured to detect a frequency of the AC electric power supplied from the outside of the charging port,wherein the electronic control unit is configured to reduce the output current from the DC-DC conversion unit to at least one of the electric power storage device or the auxiliary load in a case where the frequency detected by the sensor is less than a predetermined threshold.3. The charging apparatus according to claim 1 , further comprising:a sensor configured to detect a voltage of the AC electric power supplied from the outside ...

Energy generation and storage system with electric vehicle charging capability

An inverter includes a battery pack connection for supplying energy to or receiving energy from a photovoltaic string, a battery pack, an AC grid connection for supplying power to or receiving power from an AC grid, a connection for supplying power to a home back-up load, an electric vehicle connection for supplying to and receiving power from an electric vehicle (EV) battery, and a control input configured to receive one or more control signals for controlling the flow of power within the inverter. The inverter, under the control of the one or more control signals, converts power received from one of different power sources and provides the converted power to charge a battery of the EV.

CONTROL SYSTEM FOR VEHICLE

A control system for a vehicle includes: a motor-generator to regenerate an electric power; a secondary battery to be charged with the electric power regenerated by the motor-generator; an electrical load to be activated with an electric power supplied from at least one of the motor-generator and the secondary battery; a power supply device to supply the electrical load with the electric power generated by the motor-generator based on a deceleration power generated by a braking operation of the vehicle; and an electronic control unit to calculate excess power which is electric power exceeding chargeable power with which the secondary battery is chargeable of a required deceleration power required by the braking operation, and to control the power supply device in accordance with a command value for causing the electric power supplied from the power supply device to the electrical load to be less than the excess power. 1. A control system for a vehicle , the control system comprising:a motor-generator configured to regenerate an electric power when the vehicle decelerates;a secondary battery configured to be charged with the electric power regenerated by the motor-generator;an electrical load configured to be activated with an electric power supplied from at least one of the motor-generator and the secondary battery;a power supply device configured to supply the electrical load with the electric power generated by the motor-generator based on a deceleration power which is generated by a braking operation of the vehicle; and calculate an excess power which is an electric power exceeding chargeable power with which the secondary battery is chargeable of a required deceleration power required by the braking operation, and', 'control the power supply device in accordance with a command value for causing the electric power supplied from the power supply device to the electrical load to be less than the excess power., 'an electronic control unit configured to'}2. The ...

VEHICLE POWER SUPPLY SYSTEM AND VEHICLE DRIVE SYSTEM

A vehicle power supply system that includes an alternator; a first electrical storage device that is charged by the alternator; a power generator that generates power in conjunction with traveling of the vehicle; a second electrical storage device that is charged by the power generator; a charge path used to charge the second electrical storage device with power from the power generator; a first power feed path for feeding power to the actuator from the first electrical storage device; a second power feed path for feeding power to the actuator from the second electrical storage device; a third power feed path for feeding power to the control load from the first electrical storage device; a fourth power feed path for feeding power to the control load from the second electrical storage device; a first switch and a second switch. 1. A vehicle power supply system for supplying power to an actuator and a control load mounted on a vehicle , the vehicle power supply system comprising:an alternator;a first electrical storage device that is charged by the alternator;a power generator that generates power in conjunction with traveling of the vehicle;a second electrical storage device that is charged by the power generator;a charge path used to charge the second electrical storage device with power from the power generator;a first power feed path for feeding power to the actuator from the first electrical storage device;a second power feed path for feeding power to the actuator from the second electrical storage device;a third power feed path for feeding power to the control load from the first electrical storage device;a fourth power feed path for feeding power to the control load from the second electrical storage device;a first switch provided in the first power feed path; anda second switch provided in the second power feed path;wherein the opening and closing of the first switch and the second switch is controlled by the control load.2. The vehicle power supply system ...

POWER SUPPLY SYSTEM IN VEHICLE

A power supply system for a vehicle including a driving battery, first and second device batteries, a DC-to-DC converter, a control system device, and a specific device includes first and second power lines, first and second switches, and a coupling line. The first power line transmits power from the first device battery to the control system device. The second power line transmits power from the second device battery to the specific device. The first switch is coupled between the DC-to-DC converter and the first power line. The first switch includes a diode disposed in a direction to flow a current to the first power line. The coupling line is configured to transmit power from a node between the DC-to-DC converter and the first switch to the second power line. The second switch selectively opens and closes an electric circuit of the coupling line. 1. A power supply system for a vehicle , the vehicle comprising:a driving motor;a driving battery configured to supply power to the driving motor;a plurality of devices other than the driving motor, the devices comprising a control system device and a specific device, the specific device configured to consume a larger amount of power than the control system device;a first device battery and a second device battery, the first and second device batteries configured to supply power to the devices; anda DC-to-DC converter configured to generate a power supply voltage from power of the driving battery, the power supply voltage being to be supplied to the devices, the power supply system comprising:a first power line configured to transmit power from the first device battery to the control system device;a second power line configured to transmit power from the second device battery to the specific device;a first switch configured to be coupled between the DC-to-DC converter and the first power line, the first switch comprising a diode that is disposed in a direction to flow a current to the first power line;a coupling line ...

SYSTEMS AND METHODS FOR MULTI-MODULE CONTROL OF A HYDROGEN POWERED HYBRID ELECTRIC POWERTRAIN

The present disclosure provides systems and methods for a hydrogen-powered hybrid electric powertrain and the associated hydro-electro-aero-thermal management system (HEATMS). 1. A method for optimizing operation of an aerial vehicle having a hydrogen-powered hybrid electric powertrain , the method comprising:providing hydrogen fuel to one or more fuel cell stacks;directing a first amount of air to the one or more fuel cell stacks powered by the hydrogen fuel and generating a first output of electrical power for use at least by an electric motor of the hydrogen-powered hybrid electric powertrain;operating the electric motor using the generated electrical power, wherein the generated electrical power is provided to the electric motor without passing through a DC-to-DC converter and/or being stored in a battery;predicting one or more changes in an electrical power demand of the powertrain during operation of the electric motor;controlling an amount of air flow to the one or more fuel cell stacks to direct a second amount of air to the one or more fuel cell stacks based at least in part on the one or more predicted changes in the electrical power demand of the powertrain, wherein the first amount of air is different than the second amount of air provided to the one or more fuel cell stacks; andproviding the second amount of air to the one or more fuel cell stacks before occurrence of the predicted electrical power demand for generation of a second output of electrical power by the one or more fuel cell stacks at or before occurrence of the predicted electrical power demand of the powertrain, wherein the second output of electrical power is different than the first output of electrical power, thereby reducing a transient period for delivery of the electrical power to the electric motor of the powertrain.2. The method of wherein the amount of air flow is controlled in part by controlling mechanical power to one or more compressors that direct airflow toward the one or ...

System and method for controlling low-voltage dc/dc converter (ldc) of hybrid electric vehicle

A method and system for controlling a low-voltage DC/DC converter (LDC) of a hybrid electric vehicle (HEV) includes performing a trial starting comprising steps of: trying ignition start, performing an immobilizer authentication process, and turning on a main relay of a high-voltage battery. The LDC is controlled after the trial starting, so that an operating voltage is applied from the LDC to an electric load including various kinds of controllers, thereby allowing starting of the HEV.

METHODS AND APPARATUS UTILIZING MULTIPLE RADARS IN OBJECT DETECTION FOR WIRELESS POWER TRANSFER

Methods and apparatus utilizing time division access of multiple radar transceivers in living object detection for wireless power transfer applications are provided. In one aspect, an apparatus for detecting an object in a detection area of a wireless power transfer system is provided. The apparatus comprises a plurality of radar transceivers. The apparatus comprises a processor configured to group the plurality of radar transceivers into pairs of radar transceivers. The processor is configured to instruct each of the pairs of radar transceivers to transmit radar signals during a corresponding time slot of a plurality of time slots. The processor is configured to instruct each of the pairs of radar transceivers to receive the radar signals during the corresponding time slot of the plurality of time slots. The processor is configured to detect the object in the detection area based on at least some of the radar signals received by each of the pairs of radar transceivers. 1. An apparatus for detecting an object in a charging area of a wireless power transfer system having a base pad with first and second sides and configured to wirelessly charge a chargeable energy storage device , the apparatus comprising:a plurality of radar transceivers, each of the plurality of radar transceivers comprising a transmit antenna and a receive antenna; and instruct first and second radar transceivers of the plurality of radar transceivers to transmit first and second radar signals, respectively, during a first time slot of a plurality of time slots, wherein the first radar transceiver is integrated with the first side of the base pad and the second radar transceiver is integrated with the second side of the base pad, the first side being different from the second side,', 'instruct the first and second radar transceivers to receive first and second reflected radar signals, respectively, during the first time slot, and', 'detect a presence of the object in the charging area based on the ...

Vehicle

A vehicle includes a motor, a first battery, a smoothing condenser, a discharge circuit, a controller, and a collision detector. The controller allows the discharge circuit to perform high-speed discharge on at least a second condition out of a first condition and the second condition. The controller allows the discharge circuit to perform low-speed discharge on a third condition other than the first and the second conditions. The high-speed discharge includes discharging the charged charges of the smoothing condenser at a higher speed than a speed of the low-speed discharge. The first condition is a condition on which the controller senses the detection of the collision of the object by the collision detector. The second condition is a condition on which the controller senses an occurrence of abnormality that keeps the controller from sensing the detection of the collision of the object by the collision detector.

BATTERY MANAGING DEVICE, BATTERY MONITORING CIRCUIT, AND CONTROL SYSTEM

Cell voltage measurement is executed immediately after termination of diagnosis on a cell voltage detection function. In a battery managing device a voltage detecting unit detects a terminal voltage of each of battery cells and An RC filter is electrically connected to voltage detecting lines L L and L and a status variation causing unit causes an electrical status variation with respect to the voltage detecting lines L L and L A voltage fluctuating unit fluctuates the terminal voltage of the battery cells and in response to the electrical status variation that is caused by the status variation causing unit A microcomputer diagnoses the voltage detecting unit on the basis of a detection result of the terminal voltage of the battery cells and by the voltage detecting unit when the terminal voltage of the battery cells and is fluctuated by the voltage fluctuating unit 1. A battery managing device comprising:a voltage detecting unit that is electrically connected to both electrodes of a plurality of battery cells through voltage detecting lines, and detects a terminal voltage of each of the plurality of battery cells;a filter circuit that is electrically connected to the voltage detecting lines;a status variation causing unit that causes an electrical status variation with respect to the voltage detecting lines;a voltage fluctuating unit that is electrically connected to the voltage detecting lines between the filter circuit and the voltage detecting unit, and fluctuates the terminal voltage in response to the electrical status variation that is caused by the status variation causing unit; anda diagnosing unit that diagnoses the voltage detecting unit on the basis of a detection result of the terminal voltage by the voltage detecting unit when the terminal voltage is fluctuated by the voltage fluctuating unit.2. The battery managing device according to claim 1 ,wherein the voltage fluctuating unit includes a resistor.3. The battery managing device according to or claim ...

DC-TO-DC CONVERTER

A bidirectional or unidirectional DC-DC converter includes a primary stage and a secondary stage. The primary stage is configured to receive or output a first DC voltage. The primary stage includes a first switching network configured to convert the first DC voltage to a first alternating current (AC) voltage or vice versa. The DC-DC converter also includes a transformer having primary windings and secondary windings. The primary windings are in electrical communication with the first switching network. The transformer is configured to convert between the first AC voltage and a second AC voltage. The DC-DC converter also includes a secondary stage that has a second switching network. Characteristically, the second switching network and the transformer operate as an interleaved converter to convert the second AC voltage to an output DC voltage or vice versa. Advantageously, the required series inductance for this interleaved converter is integrated into the transformer. 1. A bidirectional or unidirectional DC-DC converter that applies a dual active bridge rectifier topology that converts an input DC voltage to an output DC voltage , the bidirectional or unidirectional DC-DC converter comprising:a first switching network that receives or outputs a first DC voltage and a first AC voltage, the first switching network configured to receive the first DC voltage and to convert the first DC voltage to the first AC voltage or to convert the first AC voltage to the first DC voltage and to output the first DC voltage and;a second switching network in electrical communication with a secondary side voltage bus; anda transformer having primary windings and secondary windings, the transformer configured to receive the first AC voltage and output a second AC voltage or to receive the second AC voltage and output the first AC voltage, the secondary windings having a first end terminal a second end terminal, and an output terminal positioned between the first end terminal and the ...