ОДНОФАЗНЫЙ АКТИВНЫЙ ФИЛЬТР

Изобретение относится к электроэнергетике и электротехнике и может быть использовано для повышения качества электроэнергии в однофазных электрических сетях. Однофазный активный фильтр обеспечивает снижение коэффициентов искажения синусоидальности тока и напряжения питающей сети и поддержание определенного коэффициента мощности при динамически изменяющейся нелинейной нагрузке. Изобретение может быть использовано для улучшения качества электрической энергии единственного потребителя, группы потребителей или участка электрической сети. Однофазный активный фильтр содержит инвертор, накопительный конденсатор, фильтр пульсаций, измерительный преобразователь тока нагрузки, измерительный преобразователь тока фильтра, измерительный преобразователь напряжения фильтра, измерительный преобразователь напряжения накопительного конденсатора, контроллер системы управления. Контроллер системы управления включает регулятор напряжения накопительного конденсатора, генератор сигнала эталонного тока, сумматор-вычислитель ...

УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ ЭЛЕКТРИЧЕСКИХ ВЕЛИЧИН И СПОСОБ ИЗМЕРЕНИЯ ЭЛЕКТРИЧЕСКИХ ВЕЛИЧИН

Изобретение относится к измерению электрических величин. Способ (200) содержит этапы, на которых: подсоединяют измерительное устройство (8) к электрической цепи (1); передают сигнал (S1) синхронизации в направлении измерительного устройства (8); принимают сигнал (S1) синхронизации в измерительном устройстве (8); измеряют с помощью измерительного устройства электрическую величину (I(t)), связанную с упомянутой электрической цепью (1), и обеспечивают соответствующие коэффициенты преобразования Фурье, производят оценку значения (∆1) запаздывания, которое зависит от смещения по времени между моментом (T) измерения, связанным с мерой электрической величины, и моментом (T) приема сигнала (S1) синхронизации в измерительном устройстве (8); обрабатывают коэффициенты преобразования Фурье и значения (Δ1) запаздывания и обеспечивают сдвинутые по времени коэффициенты преобразования Фурье, представляющие первую синхронизированную измеренную электрическую величину. 2 н. и 13 з.п. ф-лы, 5 ил.

ЛИНЕЙНОЕ ЭЛЕКТРОМАГНИТНОЕ УСТРОЙСТВО

Изобретение относится к электротехнике. Технический результат состоит в уменьшении габаритов за счет увеличения магнитного потока. Линейное электромагнитное устройство (200), такое как элемент (202) индуктивности, трансформатор или аналогичное устройство, содержит сердечник, обеспечивающий создание магнитного потока (106) и (108). Сквозь сердечник (204) выполнено отверстие (208). Устройство содержит первый проводник (212), размещенный в отверстии (208) и проходящий через сердечник (204). Первый проводник (212) имеет по существу квадратное или прямоугольное (206) поперечное сечение. Электрический ток, протекающий через первый проводник (212), создает магнитное поле вокруг первого проводника (212), возбуждающее магнитный поток в сердечнике (204). 3 н. и 9 з.п. ф-лы, 9 ил.

СПОСОБЫ И СХЕМЫ ДЛЯ РАСПРЕДЕЛЕНИЯ ЭЛЕКТРОЭНЕРГИИ В SPD-НАГРУЗКАХ

Использование: в области электротехники. Технический результат заключается в повышении безопасности и снижении затрат при распределении электроэнергии. Управляющее напряжение, получаемое из основного источника питания, предоставляется в SPD-нагрузку посредством магистральной проводки, которая переносит низкое переменное или постоянное напряжение, получаемое из основного источника питания, и преобразующего каскада, который преобразует низкое напряжение в более высокое переменное управляющее напряжение, которое затем подается в SPD-нагрузку. 2 н. и 51 з.п. ф-лы, 8 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ МОНИТОРИНГА ЭЛЕКТРИЧЕСКОЙ СЕТИ

Использование: в области электротехники. Технический результат - повышение эффективности. Способ мониторинга электрической распределительной сети, содержащей соединение электрической сети для передачи электрической энергии во множество узлов N-N, причем соединение S электрической сети подключено к узлу N, а указанные узлы соединены последовательно, включает действия: начало обхода с последнего узла Nи переход по узлам к соединению S электрической сети с вычислением величины, представляющей количество электрической энергии, переданной в каждый узел от предыдущего узла, на основе потребления мощности узлом и потерь в элементах, расположенных между данным узлом и предыдущим узлом, и вычисление величины, представляющей количество электрической энергии, переданной от соединения электрической сети в первый узел N, на основе потребления мощности узлом и потерь в элементах, расположенных между соединением электрической сети и первым узлом N. 5 н. и 13 з.п. ф-лы, 3 ил., 8 табл.

УСТРОЙСТВО И СПОСОБ ПОДДЕРЖКИ СИСТЕМЫ ГЕНЕРИРОВАНИЯ ЭЛЕКТРОЭНЕРГИИ ЛЕТАТЕЛЬНОГО АППАРАТА

Изобретение относится к устройству (17) поддержки системы (11) генерирования электроэнергии, упомянутая система (11) содержит генератор (13), регулятор (14) и контактор (15), содержащий контакты и привод размыкания/замыкания контактов, управляемый упомянутым регулятором (14) и расположенный между генератором (13) и компоновкой (12) распределения, при этом устройство (17) поддержки подключено, по меньшей мере, к одному источнику (18) питания, отличному от генератора (13) и от регулятора (14), и тем, что содержит средства замыкания контактора, выполненные с возможностью подсоединения источника (18) питания к приводу (23) контактора (15) для подачи тока, необходимого для замыкания упомянутого контактора (15). Техническим результатом является предотвращение неисправностей системы. 2 н. и 7 з.п. ф-лы, 2 ил.

СИСТЕМА ПОДЗЕМНОГО ВЫСОКОВОЛЬТНОГО ЭЛЕКТРОСНАБЖЕНИЯ С ИЗОЛИРОВАННОЙ НЕЙТРАЛЬЮ

Полезная модель относится к электротехнике, в частности к системе подземного высоковольтного электроснабжения с изолированной нейтралью, предназначенной для питания различных видов горно-шахтного оборудования с электроприводом на напряжение 3000, 6000 и 10000 В. В ее основу поставлена задача по созданию системы подземного высоковольтного электроснабжения, в которой схемное изменение системы, учитывающее гальваническое разделение между собой силовой цепи и сети заземления, позволяет устранить переход из силовой цепи токов утечки в землю и, тем самым, улучшить электрические характеристики высоковольтной сети. Задача решается за счет того, что система подземного высоковольтного электроснабжения с изолированной нейтралью, содержит источник трехфазного питания, снабженную экранной жилой трехфазную распределительную кабельную сеть, выполненную в виде трехфазного кабеля, содержащего три силовые жилы с индивидуально наложенным полупроводящим экраном и броневой оболочкой, электроприемники и устройство ...

Трехфазный активный фильтр для сетей с несимметричной нагрузкой

Предлагаемая полезная модель относится к области электротехники и может быть использована для улучшения показателей качества электрической энергии в трехфазных системах электроснабжения с наличием нелинейной несимметричной нагрузки, генерирующей высшие гармоники тока и потребляющей ток основной гармоники, сдвинутый по фазе относительного питающего напряжения, в устройствах компенсации гармонических составляющих токов и реактивной мощности нелинейной нагрузки произвольного вида. Поставленная задача (технический результат) достигается тем, что в состав известного устройства, принятого за прототип, содержащего трехфазный мостовой инвертор напряжения на полностью управляемых полупроводниковых ключевых элементах со встречными параллельными диодами, соединенного выходами с сетью через фазные реакторы, емкостного накопителя на стороне постоянного тока, системы управления, реализованной на микропроцессоре, дополнительный полумостовой инвертор на полностью управляемых полупроводниковых ключевых ...

УСТРОЙСТВО КОМПЕНСАЦИИ ИЗМЕНЕНИЙ НАПРЯЖЕНИЯ И РЕАКТИВНОЙ МОЩНОСТИ ЭЛЕКТРИЧЕСКОЙ СЕТИ

Устройство компенсации включает вольтодобавочный трансформатор 3, первичная обмотка которого включена между сетью и нагрузкой, одна сторона первичной обмотки вольтодобавочного трансформатора соединена с электрической сетью через быстродействующий выключатель 1. К вторичной обмотке вольтодобавочного трансформатора через LC- фильтр 5 подключен первый инвертор на IGBT транзисторах с ШИМ системой управления 6, второй инвертер на IGBT транзисторах с ШИМ системой управления 12 подключен между вольтодобавочным трансформатором и нагрузкой через LC- фильтр 11. Цепь постоянного тока включат в себя: первый инвертор на IGBT транзисторах с ШИМ системой управления 6, второй инвертер на IGBT транзисторах с ШИМ системой управления 12, блок суперконденсаторов 7 для накопления энергии, а также датчик напряжения звена постоянного тока 8 и датчик тока звена постоянного тока 9. Двухрежимная система управления инвертером 10 получает информацию о состоянии системы с датчика напряжения звена постоянного тока 8 ...

ЦЕПЬ ПОДАЧИ МОЩНОСТИ ДЛЯ ПРОТИВООБЛЕДЕНИТЕЛЬНОЙ СИСТЕМЫ ЛЕТАТЕЛЬНОГО АППАРАТА

Цепь подачи электропитания летательного аппарата содержит сеть (17) распределения мощности на борту летательного аппарата для электрических устройств (5b), расположенных в авиационном двигателе или вблизи упомянутого двигателя, и генератор (27) подачи мощности, встроенный в авиационный двигатель с тем, чтобы подавать мощность переменного тока в противооблединительную или антиобледенительную систему (5а). Генератор подачи мощности соединен с электромеханическим приводом реверсора тяги (5с) через выпрямитель (1) для подачи мощности постоянного тока в упомянутый привод. Уменьшаются технические требования к выпрямителю. 6 з.п. ф-лы, 1 ил.

ПОДХОДЯЩЕЕ ДЛЯ ДВУХЦЕПНЫХ ЛИНИЙ УСТРОЙСТВО ПРОДОЛЬНОЙ КОМПЕНСАЦИИ

Изобретение относится к области электротехники. Раскрывается сущность подходящего для двухцепных линий устройства продольной компенсации. Устройство содержит один последовательный трансформатор и один преобразователь. Один преобразователь и двухцепные линии электропередачи соответственно подключены к трем обмоткам одного последовательного трансформатора. В решении, представленном в настоящей заявке, устройство может быть установлено самостоятельно в системе передачи электроэнергии для использования в качестве статического синхронного продольного компенсатора, а также может использоваться в качестве компонента единого регулятора потоков мощности, трансформируемого статического компенсатора, межлинейного регулятора потоков мощности и единого регулятора качества электроэнергии для последовательного подключения к устройству системы передачи электроэнергии. Технический результат заключается в возможности сэкономить емкость преобразователя, повысить эффективность применения устройства продольной ...

СИСТЕМА И УСТРОЙСТВО УПРАВЛЕНИЯ РЕЖИМОМ ЭНЕРГОПОТРЕБЛЕНИЯ

... 1. Устройство управления режимом энергопотребления, характеризующееся тем, что установлено в локальную систему, которая содержит линию переменного тока с подключенным устройством энергопотребления потребителя электроэнергии, устройство накопления электроэнергии и локальный инвертор, который соединяет устройство накопления электроэнергии с линией переменного тока и осуществляет регулирование целевых параметров напряжения и частоты питания на линии переменного тока в соответствии с состоянием заряда устройства накопления электроэнергии, при этом устройство управления режимом энергопотребления включает в себя:частотный детектор, выполненный с возможностью распознавать рабочую частоту питания на линии переменного тока;блок хранения информации, в котором множество элементов руководящей информации для управления режимом использования устройства энергопотребления при участии потребителя электроэнергии, для заданного режима, предварительно сохранено вместе с элементами информации о частоте, получаемой ...

ПОДВОДНОЕ УСТРОЙСТВО И СИСТЕМА ДЛЯ РАСПРЕДЕЛЕНИЯ ЭЛЕКТРОПИТАНИЯ

РЕЗЕРВНАЯ СЕТЬ ЭНЕРГОСНАБЖЕНИЯ И СУДНО С РЕЗЕРВНОЙ СЕТЬЮ ЭНЕРГОСНАБЖЕНИЯ В КАЧЕСТВЕ БОРТОВОЙ СЕТИ

Изобретение относится к области электротехники. Предложена резервная сеть энергоснабжения, содержащая первый преобразователь (11) тока питания с первым промежуточным контуром (12) постоянного напряжения и второй преобразователь (21) тока питания с вторым промежуточным контуром (22) постоянного напряжения, а также первый источник (13) энергии и второй источник (23) энергии, сеть (2) переменного напряжения и присоединительный элемент (4) для внешней сети (5), причем первый и второй преобразователи (11, 21) тока питания со стороны переменного напряжения соединены с сетью (2) переменного напряжения, причем первый источник (13) энергии соединен с первым промежуточным контуром (12) постоянного напряжения, а второй источник (23) энергии соединен с вторым промежуточным контуром (22) постоянного напряжения. Для достижения технического результата, заключающегося в улучшения резервной сети энергоснабжения в отношении подачи энергии через внешнюю сеть, предлагается размещать между первым преобразователем ...

Устройство электроснабжения собственных нужд энергоблока электростанции

Изобретение относится к областям электротехники и электроэнергетики и может быть применено на тепловых электростанциях с паротурбинным циклом Ренкина (например, конденсационные электростанции - КЭС), с газотурбинным циклом Брайтона (например, электростанции с газотурбинными установками - ПТУ, на парогазовых электростанциях - ПТУ), использующих газовое топливо, например, традиционный природный газ. Технический результат заключается в повышении эффективности (в повышении общего КПД электростанции) и отдачи электростанции (в увеличении выдачи электроэнергии в энергосистему на величину потребления собственных нужд) и достигается тем, что устройство электроснабжения собственных нужд теплосиловой установки, использующей газовое топливо, содержит контур рабочего тела с блоком нагрева рабочего тела, по первому входу подсоединенного к системе газоснабжения, по второму входу - к системе воздухоподачи, а по выходу соединенного с турбиной с электрогенераторм на валу, выводы статорных обмоток которого ...

НАГРУЗОЧНОЕ УСТРОЙСТВО И УСТРОЙСТВО ЭЛЕКТРОПИТАНИЯ ДЛЯ ПИТАНИЯ НАГРУЗКИ

СПОСОБ ОПРЕДЕЛЕНИЯ РАЗМЕЩЕНИЯ УСТРОЙСТВ ЗАЩИТЫ В ЭНЕРГОРАСПРЕДЕЛИТЕЛЬНОЙ СЕТИ

СПОСОБ БЛОКИРОВАНИЯ ПЕРЕХОДА НЕСКОЛЬКИХ ИНВЕРТОРНЫХ ЭЛЕКТРИЧЕСКИХ СТАНЦИЙ В РЕЖИМ ПАССИВНОГО УПРАВЛЕНИЯ В СОСТОЯНИИ СЕКЦИОНИРОВАНИЯ

ОДНОПРОВОДНАЯ ЭЛЕКТРИЧЕСКАЯ СИСТЕМА

... 1. Однопроводная система электрической линии передачи, включающая в себяa) источники, имеющие первый и второй полюсы; иb) фазосдвигающее устройство, соединенное с одним из полюсов указанного источника таким образом, что указанное фазосдвигающее устройство сдвигает фазу первого сигнала, распространяющегося через указанный полюс, таким образом, что сдвиг фазы указанного первого сигнала будет фактически идентичен фазе второго сигнала, распространяющегося через второй полюс, вследствие чего первый смещенный сигнал добавляется ко второму сигналу с фактически той же фазой второго сигнала, когда оба полюса соединены вместе, чтобы образовать однопроводную линию, через которую распространяется полученный добавленный сигнал, или:c) два фазосдвигающих устройства, соединенные с каждым из полюсов указанного источника таким образом, что каждое из указанных фазосдвигающих устройств сдвигает фазу первого сигнала, распространяющегося через указанный полюс, и фазу второго сигнала, распространяющегося через ...

УПРАВЛЕНИЕ ЭНЕРГОРАСПРЕДЕЛЕНИЕМ В МОДУЛЬНОЙ СИСТЕМЕ ПРЕОБРАЗОВАТЕЛЕЙ С ИСПОЛЬЗОВАНИЕМ РЕЗУЛЬТАТОВ РАСЧЕТА КОЭФФИЦИЕНТА ПОЛЕЗНОГО ДЕЙСТВИЯ

СПОСОБ ИНТЕГРАЦИИ НЕСКОЛЬКИХ ДОМЕНОВ УПРАВЛЕНИЯ

... 1. Способ интеграции данных, указывающих на несколько регистрируемых параметров, принимаемых из нескольких доменов управления, реализуемый с использованием вычислительного устройства, включающий следующие шаги:прием в вычислительном устройстве первых данных из первого домена управления, содержащего совокупность взаимосвязанных систем, при этом первые данные указывают по меньшей мере один регистрируемый параметр в по меньшей мере одной из указанных взаимосвязанных систем, причем первые данные сообщают в соответствии с протоколом связи и форматируют в соответствии с прикладным интерфейсом, а указанные взаимосвязанные системы включают множество связанных сетью устройств, каждое из которых осуществляет связь с остальными устройствами;прием в вычислительном устройстве вторых данных из второго домена управления, содержащего совокупность взаимосвязанных систем, при этом вторые данные указывают по меньшей мере один регистрируемый параметр в по меньшей мере одной из взаимосвязанных систем второго ...

КОНФИГУРАЦИИ МОДУЛЬНОЙ МНОГОУРОВНЕВОЙ ПОДВОДНОЙ ЭНЕРГЕТИЧЕСКОЙ УСТАНОВКИ

... 1. Энергоснабжающая установка (10), содержащая источник (20) питания переменного тока, выполненный с возможностью подачи электроэнергии к одному или нескольким токоприемникам переменного тока через шину (14) передачи постоянного тока, которая содержит посылающий конец и принимающий конец, причем посылающий конец присоединен к одному набору модульных преобразователей (12) электроэнергии, выполненных с конфигурацией многоуровневого модульного преобразователя электроэнергии, а принимающий конец присоединен к другому набору модульных преобразователей (13) электроэнергии, выполненных с конфигурацией многоуровневого модульного преобразователя электроэнергии, при этом конфигурация указанного многоуровневого модульного преобразователя электроэнергии на принимающем конце симметрична конфигурации указанного многоуровневого модульного преобразователя электроэнергии на посылающем конце. ! 2. Энергоснабжающая установка (10) по п.1, в которой один или несколько токоприемников переменного тока непосредственно ...

STROMVERSORGUNG FÜR GETEILTE LASTEN.

Energieversorgungssystem, Energieverwaltungsvorrichtung, Energieverwaltungsverfahren und Energieverwaltungsprogramm

Um die Elektrizitätsspeichermenge eines Energiespeichergeräts in Vorbereitung auf die Spitzenlastzeit des Energieverbrauchs bei Energiezufuhr zu mehreren Geräten zu gewährleisten, weist eine Energieverwaltungsvorrichtung auf: eine Steuerung, die die mehreren Geräte steuert, die eine Verteilung von Gesamtenergie empfangen, die vom Energiespeichergerät und einer anderen Energieversorgung zugeführt wird, einen Erfasser, der die verbleibende elektrische Energie des Energiespeichergeräts erfasst, und einen Bestimmer, der bestimmt, ob die verbleibende elektrische Energie des Energiespeichergeräts nicht größer als ein erster vorbestimmter Wert ist. Ist die verbleibende elektrische Energie des Energiespeichergeräts nicht größer als der erste vorbestimmte Wert, steuert die Steuerung die mehreren Geräte so, dass die Energie von der anderen Energieversorgung zum Energiespeichergerät verteilt wird.

Verfahren zur Initialisierung und Aktualisierung eines Netzmodells

Elektrisches Leistungsversorgungssystem und Diagnoseverfahren

Load regulator for network supplying machine-aggregates - uses computer to ensure optimum load distribution at any moment

The regulator, for network supplying machine aggregates, has a PI-regulator associated with each machine aggregate which produces a required-value signal whenever the loading changes in the network. This signal is combined with other signals to form a required-value signal for the machine power which is then applied to the regulator that controls the machine. The whole regulating circuitry is coupled to a computer which receives from the circuitry the signals representing loading and base loading and ensures an optimum distribution of the load at any moment. The regulating loop is thus continuously closed and automatically adjusts the load distribution all the time.

Verfahren zur Modellierung einer oder mehrerer Energiewandlungsanlagen in einem Energiemanagementsystem

Der Erfindung, welche ein Verfahren zur Modellierung einer oder mehrerer Energiewandlungsanlagen (2) in einem Energiemanagementsystem (1), betrifft, liegt die Aufgabe zugrunde, eine Lösung anzugeben, womit eine verbesserte, effizientere und einfache Steuerung eines Energiemanagementsystems (1) ermöglicht wird. Diese Aufgabe wird dadurch gelöst, dass ein technologieunabhängiges abstraktes Modell (26) für jede Energiewandlungsanlage (2) mit ihren jeweiligen statischen Parametern (17) und ihren jeweiligen dynamischen Parametern (18) erzeugt wird, wobei dynamische Parameter (18) durch eine Verarbeitung (63) mittels mathematischer Algorithmen (33) sowie Optimierungen (34) auf Grundlage einer Bedarfsprognose (29) und Einschränkungen für den Anlagenbetrieb (32) gebildet werden und wobei statische Parameter (17) durch die Eingabe von technologieunabhängigen Anlagenparametern gebildet werden.

Steuerungssystem, Verfahren zur schützenden Steuerung eines elektrischen Leistungssystems und Speichermittel zur Speicherung eines Programmkodes

Method for state estimation of electrical power transmission networks

The subject matter of the invention is a method for state estimation of electrical power transmission networks. The state estimation supplies the respective current state variables, on the basis of the network structure and the network parameters by evaluation of active and reactive powers in busbars, active and reactive power flows on lines and node voltage rates, which are obtained by measurements. The state variables are determined from measured quantities which depend in the following way on the active and reactive powers or active and reactive power flows: P being the active powers or active power flows and Q being the reactive powers or reactive power flows at the respective measurement point, alpha being an angle through which the vectors of the active and reactive powers or active and reactive power flows are rotated in the complex plane, T being the transverse power component of the complex power and Q being the diagonal component of the complex power. ...

Antriebssystem für ein Wasserfahrzeug

Antriebssystem für ein Wasserfahrzeug mit einem Dieselmotor (4), einem Propeller (2), wenigstens einem Hilfsgeneratoraggregat (12), einem Generator (6) und einer Antriebseinheit für wenigstens ein Arbeitsgerät, wobei der Dieselmotor (4) einerseits mit dem Propeller (2) und andererseits mittels des Generators (6) mit einem Bordnetz (10) des Wasserfahrzeugs verbindbar ist, und wobei die Antriebseinheit für Arbeitsgeräte wenigstens einen Umrichter (34, 36, 38, 62) aufweist, die einerseits mit dem Bordnetz (10) und andererseits mit den Arbeitsgeräten verbindbar sind, dadurch gekennzeichnet, dass wenigstens einer dieser Umrichter (34, 36, 38, 62) der Antriebseinheit für Arbeitsgeräte lastseitig mittels einer Schaltereinrichtung (48) mit dem Generator (6) verbindbar ist.

Improvements in or relating to electric power supply arrangements

... 975,311. Distribution network arrangements. GENERAL ELECTRIC CO. Ltd. Nov. 8, 1961 [Nov. 11, 1960; March 28, 1961], Nos. 38902/60 and 11409/61. Heading H2H. An electric power arrangement, particularly for aircraft has two bus-bars 3, 5, the first 3, for non-voltage sensitive loads, being connected through a low-valued resistor 6 to the second 5, for voltage-sensitive loads, which has a voltage-stabilizing means such as a battery 4 connected to it. The resistor 6 may be shunted, for engine starting purposes by a contact R1 opened by a generator voltage-sensitive relay R. Other arrangements are described in the Specification utilizing a second battery in the event of failure of the first and arrangements including a rectifier fed battery or zener diodes for use with single and three phase A.C. systems.

Power distribution switch for a power distribution system

Serially connected inverters

Power Controller

Method for controlling power distribution

Novel power and lighting arrangement

Electricity supply and control apparatus

Energy saving and/or safety device

A predictive control apparatus for metering of renewable energy devices

A metering apparatus is used to meter at least one renewable energy device that derives energy from a renewable energy source such as a wind turbine 32 or combined heat and power (CHP) generator 34. The apparatus includes an electronic control unit 46 an energy sensor 44. The energy sensor 44 measures an energy parameter that is affected by an energy output of the renewable energy device. In the case of the embodiment shown in Figure 8 the energy sensor 44 is an electrical load sensor that measures electrical load flowing in the connection 42a between a supply busbar 36 and a distribution panel 42. The electrical load sensor provides energy data in the form of electrical load measurements to the electronic control unit 46. The electronic control unit 46 uses the energy data to derive a profile of the change in the energy parameter and correlates the derived profile with a reference profile corresponding to the particular type of renewable energy. The results of the correlation and the energy ...

Power converter for a wind turbine

A controller of the supply of electrical power generated from a natural source 101 such as a wind turbine to a standard mains power network is disclosed. A connection 102 to the power network is provided at a base station 104 and operational equipment interacting with the natural source 101 is provided at an active station 105 displaced from the base station 104. A power cable 106 transfers power from a generator 107 in the active station 105 to power electronics 108 at the base station 104. A controller 109 is located at the base station 104 and is configured to activate or deactivate the power electronics 108 in response to receiving an indication of power expectation. A monitor 110 at the active station 105 is configured to receive input signals that represent operational conditions (such as wind speed) at the active station 105 to produce an energy output expectation. A modulated communications link 111 is positioned between the monitor 110 and the controller 109 and is configured to ...

Method of and control system for operating a circuit arrangement

A circuit arrangement 1 comprises at least one phase line with at least one field receiving arrangement 2 and at least one compensating arrangement CV1, CV2, CV3 with a variable reactance. A current-dependent cost, or loss, function is evaluated and the reactance is varied such that the cost function optimized. A reference input of the compensating arrangement may be varied such that the cost function optimized. The circuit arrangement may comprise at least one rectifier 3 for rectifying an alternating output voltage generated by the field receiving arrangement, where the current dependent cost function may depend on the rectified phase current (Id) or depend on an output power of the rectifier. The circuit arrangement is particularly suitable for a vehicle-sided system for inductive power transfer to an electric vehicle. The vehicle may be any land vehicle, in particular track-bound vehicles, such as rail vehicles (e.g. trams).

Electic multi-mode power converter module and power system

An electric multi-mode power converter module comprises an AC/DC converter 30, including a first AC port 32; a DC/AC converter 40, including a second AC port 42; a DC/DC converter 50, including a DC port 52; a controller 60; and a communication bus 70 interconnecting the converters. The controller includes a hardware configuration port 62 and is configured to set the power converter state, according to the value read from the hardware configuration port. In a first state the power converter module transfers power between the first AC port and the DC port, and the second AC port is disabled. In a second state power is transferred between the DC port and the second AC port, and the first AC port is disabled. In the third state, power is transferred between the first AC port, the second AC port and the DC port. The DC port may be connected to a rechargeable battery for use in a UPS system, with the first AC port connected to the mains and the second AC port connected to a load.

Improvements relating to converters

Electrical device

An electrical device includes a primary conducting element is connected with a secondary conducting element in a first parallel circuit. A current supply inlet and a primary load outlet are connected in series with the secondary conducting element.. A secondary load outlet is connected with the primary conducting element in a second parallel circuit. A switch is located in the first parallel circuit and switched between a first position for closing the primary conducting element to direct supply current from the current supply inlet to the secondary load outlet, and a second position opening the primary conducting element to direct current from the primary conducting element to the secondary load outlet.

Socket saver switch system

Power supply arrangement

Power distribution control with asset assimilation

Diesel generation augmented by battery

Improvements in and relating to systems of electrical distribution

... 311,344. British Thomson-Houston Co., Ltd., (Assignees of Barton, T. F.). May 9, 1928, [Convention date]. Protective arrangements; running generators in parallel; transmission conductor arrangements; switching systems; doubly-wound alternators, with.-The external reactance required in multiple generator systems to limit short-circuit currents, and to facilitate the parallel running of aud load distribution amongst the generators, is reduced or eliminated by employing synchronous generators having two armature windings connected to separate bus-bar. sections which are interconnected by the coupling effect of these windings, the reactance of the machines themselves safeguarding the system. Fig. 1 shows bus-bar sections 2 - - 7 with reactances 13 between sections 2 and 3, 4 and 5, 6 and 7. Switches 12 interconnect the bus-bar sections and switches 14 may short-circuit reactances 13 as required. To sections 3, 4 and 5, 6 the windings 16, 17 of two doubly-wound alternators 15 are respectively ...

Superconducting electrical power distribution system

Power management system, power management method, and program

ELECTRICAL POWER SUPPLY SYSTEMS

... 1330473 Devices for absorbing or returning energy according to network loads ENGLISH ELECTRIC CO Ltd 2 Dec 1971 [4 Dec 1970] 57768/70 Heading H2H An electrical power supply system wherein a supply network is fed at least one A.C. generator driven by a prime mover is provided with at least one auxiliary dynamo-electric machine capable of operation as a motor or a generator wherein the frequency of the network may be maintained within predetermined limits. Two load networks 30, 31 are supplied by four A.C. generators 1, 2, 3, 4 driven by prime movers and which are operated at their full load ratings, the networks and the generators being interconnected by means of reactances 5-10. The system also includes three other A.C. generators 11, 12, 13 which are operated at only 75% of their rating so that they can provide a long term power reserve. In order to provide a very short term power reserve three further dynamoelectric machines 14, 15, 16 are coupled to the networks 30, 31 by way of D.C.

System and method for operating a power distribution system

A system for controlling electrical energy supply to peripheral devices using prepaid airtime.

A system for controlling electrical energy supply to peripheral devices using prepaid airtime.

A system for controlling electrical energy supply to peripheral devices using prepaid airtime.

PROCEDURE AND DEVICE FOR THE KOMMUTATION IN A SECTION AN ELECTRICAL SUPPLY LINE

CONFIGURATION OF A CONTROL SYSTEM OF AN ELECTRICAL SWITCHGEAR

CONFIGURATION OF A PART OF AN ENERGY ELECTRICITY

PROCEDURE FOR THE OPERATION OF A LOW-VOLTAGE SYSTEM

IMPROVED ELECTRICAL ONE UNTERSTATION

Verfahren zur Erkennung von Polschlupf

Method for identifying pole slip of an electrical generator (2), in particular synchronous generator, which is electrically connected to a power supply system (1), wherein a rotor (3) of the generator (2) is mechanically connected to a motor shaft (4) of an internal combustion engine(5), in particular of a gas engine, wherein the internal combustion engine (5) is operated at a substantially constant mechanical rotation frequency (n) in a stationary operating mode, wherein the mechanical rotation frequency (n) of the motor shaft (4) and an electrical rotation frequency (f) of the power supply system (1) are detected or ascertained, wherein a signal (11) is output in the event of a deviation (6) in the mechanical rotation frequency (n) from the electrical rotation frequency (f) of greater than a prespecifiable threshold value (7), wherein the signal (11) is considered to be a detected pole slip.

SYSTEMS AND PROCEDURES FOR THE DYNAMIC REAL TIME SIMULATION OF NO-BREAK ONES CURRENT SUPPLY SOLUTIONS AND TAX LOGIC SYSTEMS FOR IT

Verfahren zur Bestimmung von Messstellen in Niederspannungsnetzen und Netzmanagementsubsystem zur Durchführung des Verfahrens

The invention relates to a method for determining measuring points in low-voltage networks, having the following method steps which are repeated at periodic intervals: - measured values from measuring devices (MG 1, MG 2,... MG n) which are provided in the low-voltage network are collected in a database together with temporal information on said measured values, - load scenarios are ascertained from the collected data using self-learning algorithms, and the measuring devices with particularly meaningful measured values with respect to the load scenarios are determined and defined as measuring points (MS1, MS2,... MSk). The invention allows the automated selection of measuring points, whereby an optimized number of measuring points can be used in order to monitor networks.

INTELLIGENT CIRCUIT-BREAKER

Switching configuration for the collection of several constantly changing individual values of electrical delivery work and determination of an electrical reference for electrical nets, which work in the compound enterprise

SYSTEM TO TRANSPORT AND FOR THE DISTRIBUTION OF ENERGY ON TENSIONS BETWEEN INCLUDING 600 V AND 1200 V

Power management device, power management method, and program

The present invention provides a power management device (10) that comprises: an acquisition unit (11) that acquires from a power generation vendor a power purchase request that includes a power unit price; a calculation unit (14) that calculates a power consignment fee unit price for each pair of the power generation vendor and a group from among a plurality of power consumer groups each composed of a plurality of power consumers within the purview of the same power substation; and a determination unit (12) that determines whether to purchase power from the power generation vendor for each power consumer on the basis of a total unit price, which is the total of the power unit price and the power consignment fee unit price, and a reference unit price of each power consumer.

Converting power over ethernet into a USB stream and separate power

Power over Ethernet (POE) can be converted into a USB stream and separate power. With these techniques, the benefits of POE can be obtained without requiring a terminal to be POE-enabled and without employing a terminal's Ethernet port. Many more terminals may therefore be powered via POE. A POE conversion device can include an Ethernet port by which the POE conversion device receives an incoming POE stream, a USB port, a power output, a power module and a USB conversion module. The power module is configured to extract power from an incoming POE stream to form an incoming Ethernet stream and provide the power to the power output. The USB conversion module is configured to convert the incoming Ethernet stream into an incoming USB stream with an Ethernet payload and then output the incoming USB stream with the Ethernet payload via the USB port.

Energy balance adjustment control method and adjustment control device

... ~(:j~\U-c It : aB *RA0PSRI- ZJ itf AM o-15 Zt 1) i UF -6Tf )j~~ ~~U ff UP fJ 3 f H .= ry-t Ma L ...

Smart NEMA outlets and associated networks

Low voltage system and method

Low voltage systems and methods, as well as a light assembly and LED driver are provided. In one aspect, a low voltage system is provided that is capable of drawing power from a power source having a first voltage, the system having at least one low voltage power supply connectable to the power source and having an output providing a second voltage that is lower than the first voltage. The system further has at least one low voltage load and circuit means connecting the output of the power supply to the at least one low voltage load. The at least one load can be a light assembly, and the light assembly can comprise one or more light emitting diodes (LEDs). Also provided is an LED driver that provides for one or more improved dimming characteristics. A light assembly employing the LED driver is also provided. 90 90 -0. 90 56 -k58 5474 7 ...

Information processing system and method, and program

An information processing system includes an obtaining unit, a specifying unit, and an output unit. The obtaining unit obtains information indicating a state of the use of each of plural electrical apparatuses. The specifying unit specifies a power supply-and-receive relationship between the plural electrical apparatuses, on the basis of a change in power associated with the obtained information concerning each of the plural electrical apparatuses. The output unit outputs information indicating the power supply-and-receive relationship. SET GIVEN TIME t TO MEASUREMENT /,1S06 /,,S102 MEASUREMENT START TIME s t N NO \MEASUREMENT END TIME? YES zS103 IS THE NUMBER OF ELECTRICAL NS APPARATUSES THAT SATISFY CONDITION CONCERNING POWER CONSUMPTION CHANGE EQUAL TO OR GREATER THAN PREDETERMINED NUMBER?FjA , ES /,S104 IS DIFFERENCE IN POWER CONSUMPTION APPARATUSES CONTAINED WIT HIN PREDETERMINED RANGE? Y S / S105 / S107 UPDATE POWER SPECIFY POWER SUPPLY-AND-RECEIVE SUPPLY-AND-RECEIVE RELATIONSHIP ...

DATA SAMPLE AND TRANSMISSION MODULES FOR POWER DISTRIBUTION SYSTEMS

System and method for reliability assessment of a power system having integrated modules

POWER QUALITY CONTROL

An integrated power quality control system includes a transformer with a primary winding, a secondary winding and a compensation winding wound on a magnetic core. A power electronic converter in the system provides a reference voltage to the compensation winding for injecting a series voltage in the secondary winding of the transformer. A controller is utilized to generate the reference voltage for the power electronic converter based on a power quality control requirement. 90 11__ _ __ _ _ _ _ Fig. 4A 100 106 107 101< 103 102k 104 Fig* 4B ...

Improvements in and relating to power supply systems

A power supply system including: a power supply configured to provide a constant AC current; a power transmission line connected to the power supply to form a closed circuit; and at least one pickup configured to accept and slidingly engage with the power transmission line such that the pickup completely encircles a portion of the power transmission line threaded through the pickup, and to inductively couple to the power transmission line, wherein the at least one pickup can be positioned at any point along the length of the power transmission line by sliding it along the power transmission line.

System, method, and apparatus for electric power grid and network management of grid elements

Systems, methods, and apparatus embodiments for electric power grid and network registration and management of active grid elements. Grid elements are transformed into active grid elements following initial registration of each grid element with the system, preferably through network-based communication between the grid elements and a coordinator, either in coordination with or outside of an IP -based communications network router. A multiplicity of active grid elements function in the grid for supply capacity, supply and/or load curtailment as supply or capacity. Also preferably, messaging is managed through a network by a coordinator using IP messaging for communication with the grid elements, with the energy management system (EMS), and with the utilities, market participants, and/or grid operators.

Methods and systems for managing facility power and cooling

A method and corresponding apparatus provide a determination of available power capacity of a phase of a power supply in a data center rack. The method includes metering the power of a power supply and calculating an average peak power draw per phase of the power supply. Using average peak power draw per phase of the power supply and the expected power draw data corresponding to data center equipment coupled to the power supply, the available power capacity can be calculated on a per phase of the power supply. A method and corresponding apparatus for managing data center equipment may use the phase based available power capacity calculations to determine the optimal placement of new data center equipment within a data center configuration.

Audit method and system and supply method and system for PV power injection and consumption in a power grid system

A method of supplying power in a power grid, a system supplying power in a power grid, a method of consolidating power injection and consumption in a power grid, a system for consolidating power injection and consumption in a power grid, a metering system for a power grid, and a metering method for a power grid. The method of supplying power in a power grid, the method comprises determining an initial forward probabilistic power supply time profile of an aggregate intermittent power source connected to the power grid,; determining a target power demand time profile of at least one load connected to the power grid; and associating at least respective portions of the initial forward probabilistic power supply time profile and the target demand time profile such that a probability of supply of power from the intermittent power source to the load meets a specified criterion.

Adaptation of polyphase waveguide probes

Disclosed are various embodiments for transmitting energy conveyed in the form of a guided surface-waveguide mode along a lossy conducting medium such as, e.g., the surface of a terrestrial medium by exciting a polyphase waveguide probe. A probe control system can be used to adjust the polyphase waveguide probe based at least in part upon characteristics of the lossy conducting medium.

Method and apparatus for bidirectional power production in a power module

Method and apparatus for generating power. In one embodiment the method comprises determining a value of a DC parameter pertaining to a DC power source providing DC power to an inverter; comparing the value to a threshold; and operating the inverter to generate positive power or negative power based on a result of comparing the value to the threshold.

System, method, and apparatus for capacity determination for micro grid, and tangible computer readable medium

A system, method, and apparatus for capacity determination in a micro grid, and a tangible computer readable medium, the micro grid comprises multi-type energy supply devices to provide both electricity and thermal energy, the method comprises: obtaining, by using a processor, energy demand and parameter limits (S201); performing a device capacity determination process for minimizing both annual integrated cost for the micro grid and annual energy outage cost, under constraints on electricity supply/demand balance and thermal supply/demand balance, and operation constraints on the multi-type energy supply devices, to determine respective numbers or capacities of the multi-type energy supply devices (S202);. It may achieve an optimal capacity termination which could provide a significant cost saving and at the same time guarantee the operation reliability of the micro grid.

Method for identifying pole slip

Method for identifying pole slip of an electrical generator (2), in particular synchronous generator, which is electrically connected to a power supply system (1), wherein a rotor (3) of the generator (2) is mechanically connected to a motor shaft (4) of an internal combustion engine(5), in particular of a gas engine, wherein the internal combustion engine (5) is operated at a substantially constant mechanical rotation frequency (n) in a stationary operating mode, wherein the mechanical rotation frequency (n) of the motor shaft (4) and an electrical rotation frequency (f) of the power supply system (1) are detected or ascertained, wherein a signal (11) is output in the event of a deviation (6) in the mechanical rotation frequency (n) from the electrical rotation frequency (f) of greater than a prespecifiable threshold value (7), wherein the signal (11) is considered to be a detected pole slip.

Inverter communications using output signal

Technologies for communicating information from an inverter configured for the conversion of direct current (DC) power generated from an alternative source to alternating current (AC) power are disclosed. The technologies include determining information to be transmitted from the inverter over a power line cable connected to the inverter and controlling the operation of an output converter of the inverter as a function of the information to be transmitted to cause the output converter to generate an output waveform having the information modulated thereon.

Hierarchical and distributed power grid control

A control node enables distributed grid control. The control node monitors power generation and power demand at a point of common coupling (PCC) between a utility power grid and all devices downstream from the PCC. The control node can have one or more consumer nodes, which can be or include customer premises, and one or more energy sources connected downstream. The control node monitors and controls the interface via the PCC from the same side of the PCC as the power generation and power demand. The control can include adjusting the interface between the control node and the central grid management via the PCC to maintain compliance with grid regulations at the PCC.

SYSTEM AND METHOD FOR LOAD FORECASTING

SYSTEM AND METHOD FOR LOAD FORECASTING A method of load forecasting for a present day includes obtaining past observed load values of at least three earlier days and identifying a relationship between the present day's load forecast and the past observed load values including unknown weights associated with the past observed load values. The values of unknown weights are determined by comparing at least one previous day's load forecast with the observed load value of the at least one previous day. The determined weight values are then used in the relationship between the present day's load forecast and the past observed load values to forecast the present day's load.

An improved electrical substation

ADD/SHED LOAD CONTROL USING ANTICIPATORY PROCESSES

CENTRALIZED POWERING SYSTEM AND METHOD

A system and method for delivering controlled electrical power, and more specifically, a system and method for providing a continuous, reliable and inexpensive supply of utility and emergency power to a cable network for use by a plurality of active components in the network. The system comprises a first voltage regulating means having an input side connected to the power source and an output voltage side connected to a second voltage regulating means disposed proximate to the active components in the network. The first voltage regulating means is capable of regulating a source voltage to an intermediate voltage. The second voltage regulating means has an input side for receiving power at the intermediate voltage from the first voltage regulating means and an output side connected to the active components in the network. The output side of the second voltage regulating means supplies a predetermined voltage for operation of the active components in the network. At least one dedicated cable ...

SYSTEMS AND METHODS OF DATA TRANSMISSION AND MANAGEMENT

Data communications systems and methods comprise a conductive media infrastructure in communication with a baseband data universe propagating at least one first signal and a broadband data universe propagating at least one second signal. At least one segmentation device is in communication with the conductive media infrastructure and partitions the broadband data universe from the baseband data universe. A coupling device is in communication with the at least one segmentation device and modulates transmission parameters of the second signal such that information travels within the broadband data universe via the conductive media infrastructure and avoids the baseband data universe. Power distribution and management systems and methods are also provided which preserve power distribution via a baseband data universe while one or more devices communicate energy data via a broadband data universe ...

SYSTEM, METHOD, AND APPARATUS FOR OPERATING A POWER DISTRIBUTION SYSTEM

A power distribution system includes a plurality of node devices and a computer communicatively coupled to the node devices. The computer includes a memory area configured to store at least one operating parameter of each of the node devices, and a processor that is programmed to determine a desired operating limitation of the power distribution system to be optimized, calculate an effect on the operating limitation based on a modification of the operating parameter of at least one of the node devices, and transmit a command to the node device to cause the node device to modify the operating parameter.

SYSTEMS FOR HIGHLY EFFICIENT SOLAR POWER

Different systems to achieve solar power conversion are provided in at least three different general aspects, with circuitry that can be used to harvest maximum power from a solar source (1) or strings of panels (11) for DC or AC use, perhaps for transfer to a power grid (10) three aspects can exist perhaps independently and relate to: 1) electrical power conversion in a multimodal manner, 2) alternating between differing processes such as by an alternative mode photovoltaic power converter functionality control (27), and 3) systems that can achieve efficiencies in conversion that are extraordinarily high compared to traditional through substantially power isomorphic photovoltaic DC-DC power conversion capability that can achieve 99.2% efficiency or even only wire transmission losses. Switchmode impedance conversion circuits may have pairs of photovoltaic power series switch elements (24) and pairs of photovoltaic power shunt switch elements (25).

METHOD, DEVICE AND COMPUTER PROGRAM PRODUCT FOR RANDOM NUMBER GENERATION IN A METER

Described herein are embodiments of methods, devices and computer program products of a utility service meter comprising a random number generator. In one embodiment, the method includes: (1) receiving a first and a second analog signal that can represent values of voltage and current of a power feed at a location of a utility service meter, respectively; (2) converting the analog signals to respective first and second digital signals; (3) receiving a request for a random number; (4) determining the random number using an integer maximum value for the random number by setting the random number equal to zero if the integer maximum value is zero; setting the random number equal to one if the integer maximum value is one; or setting the random number equal to the remainder of a sum of adding together the first and second digital signals divided by the integer maximum value if the integer maximum value is greater than one; and (5) scheduling a connection or disconnection of the utility service ...

PRIORITY-BASED ENERGY MANAGEMENT

A system for controlling operation of a plurality of appliances includes first and second appliances. The first appliance is configured to report a power consumption via a network. A second appliance is configured to operate dependent on the power consumption reported by the first appliance.

Аппарат коммутационный электрический

Полезная модель относится к аппаратам коммутационным электрическим, а именно к разъединителям, отключателям и переключателям силовых и вспомогательных цепей с ручным приводом ножевого типа. Для повышения надежности дифференциального переключателя за счет повышения электроэрозионной стойкости контактов в аппарате коммутационном электрическом, содержащем корпус из электроизолирующего материала, на котором закреплены контактные пластины с клеммными зажимами внешнего подключения аппарата и стойки, одно или двуплечие подвижные контакты, связанные общей рукояткой, каждая из которых состоит из двух пластин, подпружиненных по бокам пружинами, при этом подвижные контакты установлены с помощью подпружиненных осей на стойках с возможностью качаться и число которых равно числу полюсов, на поверхность контактных пластин и подвижных контактов нанесено посредством электровзрывного напыления электроэрозионно-стойкое композиционное покрытие на основе ZnO-Ag. Технический результат заключается в увеличении надежности работы аппарата коммутационного электрического за счет повышения электроэрозионной стойкости контактов. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 188 121 U1 (51) МПК H02J 3/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H02J 3/00 (2019.02) (21)(22) Заявка: 2019100245, 09.01.2019 (24) Дата начала отсчета срока действия патента: 29.03.2019 Приоритет(ы): (22) Дата подачи заявки: 09.01.2019 (45) Опубликовано: 29.03.2019 Бюл. № 10 U 1 1 8 8 1 2 1 R U (56) Список документов, цитированных в отчете о поиске: GB1513932 A,14.06.1978. SU 259223 A1, 12.12.1969. RU 136231 U1, 27.12.2013. RU 2126568 C1, 20.02.1999. (54) АППАРАТ КОММУТАЦИОННЫЙ ЭЛЕКТРИЧЕСКИЙ (57) Реферат: Полезная модель относится к аппаратам состоит из двух пластин, подпружиненных по коммутационным электрическим, а именно к бокам пружинами, при этом подвижные контакты разъединителям, отключателям и переключателям установлены с помощью подпружиненных осей ...

Устройство дистанционного управления ограничением подачи электроэнергии

Устройство относится к сфере жилищно-коммунального хозяйства (ЖКХ) и может быть использовано для дистанционного управления ограничением подачи электроэнергии в одну из 4-х подключаемых к устройству квартир, в случае возникновения у собственника задолженности по оплате за электроэнергию. В известном устройстве дистанционного управления ограничением подачи электроэнергии, состоящем из блока питания, преобразователя сигналов, микроконтроллера и транзисторно-оптронного блока, отличительной чертой является наличие транзисторно-оптронного блока коммутации, имеющего 4 независимо управляемых выхода для подключения до 4-х квартир с помощью исполнительных органов, в качестве которых могут быть использованы реле или контакторы. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 189 153 U1 (51) МПК H02J 3/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H02J 3/00 (2019.02) (21) (22) Заявка: 2018123845, 29.06.2018 (24) Дата начала отсчета срока действия патента: 29.06.2018 (72) Автор(ы): Бессонов Александр Сергеевич (RU), Королев Иван Андреевич (RU) 15.05.2019 152097 U1, 10.05.2015. RU 163637 U1, 27.07.2016. WO 2001015099 A1, 01.03.2001. (45) Опубликовано: 15.05.2019 Бюл. № 14 1 8 9 1 5 3 R U (54) УСТРОЙСТВО ДИСТАНЦИОННОГО УПРАВЛЕНИЯ ОГРАНИЧЕНИЕМ ПОДАЧИ ЭЛЕКТРОЭНЕРГИИ (57) Реферат: Устройство относится к сфере жилищноиз блока питания, преобразователя сигналов, коммунального хозяйства (ЖКХ) и может быть микроконтроллера и транзисторно-оптронного использовано для дистанционного управления блока, отличительной чертой является наличие ограничением подачи электроэнергии в одну из транзисторно-оптронного блока коммутации, 4-х подключаемых к устройству квартир, в случае имеющего 4 независимо управляемых выхода для возникновения у собственника задолженности по подключения до 4-х квартир с помощью оплате за электроэнергию. В известном исполнительных органов, в качестве которых устройстве дистанционного управления могут быть ...

Charge/discharge control apparatus and charge/discharge control method

Included are a power-generation amount calculating section calculating an expected amount of power-generation being an amount of power generated by a power generating section in the future, for each predetermined period, a power-consumption amount calculating section calculating an expected amount of power-consumption being an amount of power consumed by a power load, for the predetermined period, an excess power period determining section determining an excess power period, an excess power amount calculating section calculating an expected excess power amount, and a charge/discharge control section controlling charge/discharge of a battery so that a remaining amount of the battery at the beginning of the excess power period becomes an amount resulting from subtracting the expected excess power amount from a pre-set charge amount.

Systems for Optimized Solar Power Inversion

The DC-AC inversion of solar power in systems having high voltage, highly varying photovoltaic power sources may be provided to optimize input into a high voltage, high power photovoltaic DC-AC inverter. The inverter may coordinate the conversion of solar power in photovoltaic DC-DC power converters to achieve a desired inverter operating condition. Desired inverter operating conditions may include singular voltage inputs, optimal voltage inputs, inverter sweet spot voltage inputs, and the like. The converters may be coordinated to convert output to optimal input characteristics of the inverter, to control a posterior photovoltaic operating condition, to control the converter for inverter operating conditions, and the like. Output from the inverter may be transferred to a power grid at high power levels with coordinated control possible for various elements.

Smart nema outlets and associated networks

A control system ( 300 ) allows standard NEMA receptacles to be remotely monitored and/or controlled, for example, to intelligently execute blackouts or brownouts or to otherwise remotely control electrical appliances. The system ( 300 ) includes a number of smart receptacles ( 302 ) that communicate with a local controller ( 304 ), e.g., via power lines using the TCP/IP protocol. The local controller ( 304 ), in turn, communicates with a remote controller ( 308 ) via the internet.

AC Power Systems for Renewable Electrical Energy

A renewable electrical energy power system is provided with aspects and circuitry that can optimize operation of a DC-AC inverter. Alternative electrical energy sources may include solar cells and solar panels. In various embodiments, the system may include solar panel maximum power point independent inverter input optimization photovoltaic power control circuitry, inverter efficiency optimized converter control circuitry, inverter voltage input set point converter output voltage control circuitry, inverter sweet spot converter control circuitry, photovoltaic inverter duty cycle switch control circuitry, substantially power isomorphic photovoltaic inverter input control circuitry, and substantially power isomorphic photovoltaic inverter duty cycle control circuitry. With previously explained converters, inverter control circuitry or photovoltaic power converter functionality control circuitry configured as inverter sweet spot converter control circuitry can achieve extraordinary efficiencies with substantially power isomorphic photovoltaic capability at 99.2% efficiency or even only wire transmission losses.

Distributed Solar Power Plant And A Method Of Its Connection To The Existing Power Grid

Methods and apparatus are provided for using a renewable source of energy such as solar, wind, or geothermal energy. In some embodiments, the method may include generating electric energy from a renewable form of energy at a plurality of locations at which reside an electric power line associated with an electric power grid. The electric energy generated at each location may be transferred to the electric power line to thereby supply electric energy to the electric power grid.

Rules engine with database triggering

An automated facilities management system has the ability to predict occupant behavior by identifying recurring patterns in the way that people use buildings and comparing them with environmental characteristics. This technology is not limited to human behavior patterns, but extends to any mechanical systems or data points that tend to vary in recurring patterns. The data processing is carried out by rules engines triggered by relational database modifications.

Energy Storage Systems And Associated Methods

A method for responding to a change in electric power demand includes (1) charging an energy storage subsystem from an electric power grid, (2) discharging the energy storage subsystem into the electric power grid at a discharge rate that is less than a maximum rate of discharge of the energy storage subsystem, and (3) adjusting the discharge rate in response to a signal selected from the group consisting of a signal to provide a regulation up service and a signal to provide a regulation down service. An energy storage system includes an energy storage subsystem for storing electric power, an interface for interfacing the energy storage subsystem with an electric power grid, and a controller configured to control operation of the interface in response to a signal to provide a regulation up service and a signal to provide a regulation down service.

Renewable energy-based electricity grid infrastructure and method of grid infrastructure automation and operation

A renewable energy resource management system manages a delivery of a power requirement from a multi-resource offshore renewable energy installation to an intelligent power distribution network. The installation includes multiple renewable energy resource components and is capable of variably and independently generating power from each to microgrids comprising the intelligent power distribution network so that the entire power requirement is satisfied from renewable energy resources. An electricity grid infrastructure is also disclosed in which power production is balanced with power consumption so that power storage requirements are minimized.

Energy management system in home network interworking with smart grid

An energy management system in a home network interworking with a smart grid includes: a power management apparatus for managing power consumption of a power consumption apparatus; a power storage apparatus for storing or supplying power to the power consumption apparatus; a power production apparatus for transmitting status information of its power production to the power management apparatus; a mobile power storage/supply apparatus for transmitting its power status to the power management apparatus; a smart meter for transmitting a real-time price and demand response information to the power management apparatus; and a wireless terminal for inputting a schedule of a home power consumer.

Monitoring occurrence of transmission and distribution grid code event by power consumption device

Disclosed herein is a power consumer approach that monitors the occurrence of grid code events within electric power transmission operations. In one aspect, a grid code event meter is used to detect the occurrence of a grid code event. The grid code meter includes a metering component configured to obtain data for power-related parameters associated with consumption needs. A grid code criteria tracking component tracks the data related to the power-related parameters obtained by the metering component for compliance with grid code criteria required by a transmission company of a consumer for power quality and reliability. A grid code event detection component detects an occurrence of a grid code event in accordance with the tracked data for the power-related parameters.

Determining electric grid endpoint phase connectivity

The service phase of the electrical connection to a customer endpoint device located within a power distribution system is determined by various techniques. At the feeder level, the system may be programmed to induce disturbances, thereby causing missed zero crossings at the customer endpoint devices. The pattern of these disturbances is a controlled one, designed specifically to avoid causing noticeable disruption even to sensitive devices, but to be unusual enough that it is statistically unlikely to be naturally occurring. The monitoring of the zero crossing information is used to determine the phase of the service line to the customer endpoint devices.

Electric vehicle charging scheduling system

A charging prediction database stores information on electric vehicles expected to arrive for charging. A profile/charging information database stores information on electric vehicles that have arrived and been waiting for charging. A power database stores information on a power source including at least one of a power grid and a stationary battery. An energy calculating unit calculates energy available from the power source based on the power database. A scheduling unit schedule charging of the electric vehicles waiting for charging in consideration of the electric vehicles expected to arrive.

Systems, Methods, and Apparatus for Detecting Theft and Status of Electrical Power

Certain embodiments of the invention may include systems, methods, and apparatus for detecting theft and status of electrical power. According to an example embodiment of the invention, a method is provided for detecting theft and status of electrical power. The method can include monitoring switch state of a main circuit breaker, monitoring load-side voltage, monitoring load current, determining one or more conditions associated with power usage based at least in part on one or more of the monitored switch state, the monitored load-side voltage, or the monitored load current and transmitting information representing the one or more determined conditions.

System and method for operating a tap changer

A method of operating a tap changer of a transformer or a voltage regulator in a power grid includes obtaining a load forecast for a time period. An average voltage profile is determined for the time period based on the load forecast. The method further includes estimating tap positions of the tap changer for leveling the average voltage profile during the time period. Switching signal commands are provided to the tap changer based on the estimated tap positions.

Electrical distribution network improvement for plug-in electric vehicles

Electrical distribution network (EDN) improvement method for plug-in electric vehicles receives and stores in a database EDN configuration information, demography information and load information for simulating load of the EDN assets. The method dynamically updates the EDN configuration, demography information and/or load information to provide an efficient and customizable method of simulating a PEV load impact on an EDN configuration and apply improvements to the EDN in real time.

Control federation for utility grids

In one embodiment, a federation device receives one or more grid control-based signals over a computer network, applies one or more utility grid control policies to the one or more grid control-based signals, and federates the one or more signals and/or the one or more utility grid control policies into one or more federated control-based signals. The federation device then propagates the one or more federated control-based signals to one or more grid-related devices.

Variable topology distributed intelligence for utility grid control operation services

In one embodiment, a grid service controller receives advertisements from one or more grid service devices that indicate one or more grid control operations for which a corresponding grid service device is capable, and also maintains state and locality of the grid service devices. In response to receiving a request from a grid device for a particular grid control operation, the grid service controller may then direct the grid device to a particular grid service device capable of providing the particular grid control operation for the grid device based on the state and locality of the grid service devices, accordingly.

Scale-free routing topology for a power network

A scale free communication network in a power network is provided. The scale free communication network comprises a plurality of distribution devices communicatively coupled to each other in a power network that include a protection device and a controller coupled to each of the plurality of distribution devices in the power network. The controller identifies a plurality of isolated distribution devices. The controller further restores the plurality of isolated distribution devices in the power network by automatically activating the tie-switch in the power network. The controller also computes reliability indicators for each of the restored distribution device in the power network. Furthermore, the controller identifies critical distribution devices in the power network based on the computed reliability indicators and establishes a scale free communications network within the power network based on the identified critical distribution devices.

Electric power supply system

An electric power supply system includes: a distributed power supply which is disposed in at least one of a first power consumer; a power line which supplies the surplus power generated in the distributed power supply to at least one of a second power consumer; and a management device which manages the trade price of the surplus power supplied via the power line. The management device determines the trade price of the surplus power for following days on the basis of a prediction value for the amount of surplus power in the first electric power consumer unit and a prediction value for the amount of electric power consumption in the second electric power consumer unit over the following days.

Power switching apparatus and a power supply system incorporating the same

A power switching apparatus includes first and second input terminals respectively coupled to a commercial power supply and a renewable energy power supply, an output terminal, a switch unit and a control unit. The switch unit can establish electrical connection between the output terminal and one of the first and second input terminals. The control unit detects a residual capacity of the renewable energy power supply, and controls the switch unit to establish electrical connection between the output terminal and the second input terminal when the residual capacity is not smaller than a predetermine threshold, and to establish electrical connection between the output terminal and the first input terminal when otherwise.

Load Leveling System of Power System

It is an object of the present invention to provide a load leveling system of a power system capable of attaining load leveling in a distribution substation unit and a method thereof. Disclosed is a load leveling system of a power system with a controller having a major customer and lower transforming apparatus, and with a customer connected to the lower transforming apparatus via a low-voltage line. The system also has a communication unit between the customer and its own system, and control use time zones of devices within the customer; an electric demand prediction unit, and a first load leveling processing unit. By employing such an arranged system, it becomes possible to provide a load leveling system of a power system capable of realizing load leveling of both a distribution substation unit and a pole transformer unit.

Analytical and Combinatorial Fault Restoration

Embodiments of the invention can provide systems and methods for combining analytical and combinatorial processes to compute fault restoration of a dead load area. According to one embodiment of the invention, a system can be provided. The system can be operable to receive location and switch information associated with an area of a power grid that has lost power, identify a switch within an area of the power grid that has lost power, compute an alternative source capacity (ASC) value for the identified switch, identify and open at least one second switch, compute combinations of the switch with each second switch that satisfies a rule, eliminate redundant switch open or close operations prior to the computation of the dead load area restoration plan, and compute a restoration plan based at least in part on the computed combinations.

Electric power information management apparatus, electric power information management system, and electric power information management method

An electric power information management apparatus includes a power meter that measures electric power data on electric power to be supplied from a storage battery of a vehicle to an electric power facility; a security module that associates and encrypts identification information corresponding to the vehicle and the measured electric power data; a communication device that transmits to an electric power management database the identification information corresponding to the vehicle and the electric power data encrypted by the security module to store the electric power data associated with the identification information in the electric power management database; and an electric power control device that extracts necessary electric power from the electric power facility and supplies the electric power to the storage battery of the vehicle corresponding to the identification information, based on the electric power data stored in the electric power management database, being associated with the identification information.

Systems and methods for microgrid power generation and management

Systems and methods for coordinating selective activation of a multiplicity of emergency power generation equipment over a predetermined geographic area for distribution and/or storage to supply a microgrid of electrical power for a substantially similar geographic area.

Systems and methods for optimizing microgrid power generation and management with predictive modeling

Systems and methods for coordinating selective activation of a multiplicity of emergency power generation equipment over a predetermined geographic area for distribution and/or storage to supply a microgrid of electrical power for a substantially similar geographic area.

POWER GENERATION SYSTEM WITH INTEGRATED RENEWABLE ENERGY GENERATION, ENERGY STORAGE, AND POWER CONTROL

A power generation system comprises a conventional motor-generator system as may be found in a stand-by power system with the addition of integrated renewable and stored energy assets. A software defined control system allows for optimizing total cost of power and allows user control or interconnection with micro-grid or Utility Power systems. 1. An electrical generating and power control system including an internal combustion (fossil fueled) motor-generator with a rectified D.C. output is parallel-fed to an inverter which may be also powered by renewable energy or stored energy sources to increase the total power of the system or to reduce or eliminate liquid or gaseous fossil or bio fuel sources for the motor-generator.2. An fossil-fueled electrical generating device (employing a reciprocating , rotating , nutating or turbine-based motor) and power control system which employs a multi-phase , variable-frequency , varying-speed alternator or wound-field (actively rectified) generator , and an oversized inverter , which inverter may also be parallel fed with stored energy (batteries , supercapacitors , or flywheels for example) or active generating renewable energy assets (wind , solar , hydro , or fuel cell power sources) in concert with or to the exclusion of the internal combustion engine derived power. The inverter's power rating can be designed to meet the full load design of the system deriving its energy input from a combination of all energy resources at hand.3. An “Smart” emergency power system that can provide A.C. and/or D.C. electrical power to loads in times when the grid is functioning normally or in the absence of grid-power or any fossil or bio-fuel availability using renewable energy sources and stored energy exclusively as available. This system has the software defined control system to support micro-grid or Utility-based remote control as contracted between the system's owner and the Utility. This application claims benefit under 35 U.S.C. ...

Analysis device of catenary-based transportation system, analysis method and program therefor

In a catenary-based transportation system which is provided with integrated power supply equipment having an electricity storage unit which stores electricity regenerated by vehicles traveling by electricity received from a catenary and supplies electricity to the catenary and the other power supply system which is a power supply system different from the electricity storage unit concerned, the performance of a rectifier of the other power supply system is determined based on a power-supplying contribution ratio γ of the other power supply system so that the cost value of the integrated power supply equipment becomes lower than a target cost value.

Communication network topology management based on an associated electric grid topology

In one embodiment, a computer determines a grid topology of an electric grid based on one or more electric grid configuration description files, and also determines a network topology of a computer network used to provide communication to grid devices of the electric grid. By assessing whether the network topology is configured to meet one or more communication requirements of the grid topology (e.g., initially and/or through monitoring for grid changes), the computer may trigger a corrective action (e.g., alarm or reconfiguration) in response to the network topology not being configured to meet the one or more communication requirements of the grid topology.

Apparatus and method for communicating data and power with electronic devices

A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module.

LOW VOLTAGE SYSTEM AND METHOD

Low voltage systems and methods, as well as a light assembly and LED driver are provided. In one aspect, a low voltage system is provided that is capable of drawing power from a power source having a first voltage, the system having at least one low voltage power supply connectable to the power source and having an output providing a second voltage that is lower than the first voltage. The system further has at least one low voltage load and circuit means connecting the output of the power supply to the at least one low voltage load. The at least one load can be a light assembly, and the light assembly can comprise one or more light emitting diodes (LEDs). Also provided is an LED driver that provides for one or more improved dimming characteristics. A light assembly employing the LED driver is also provided. 1. An electrical system capable of drawing power from a power source having a first voltage , the system comprising:at least one power supply having at least one input and one output, the input being electrically connectable to the power source, and the output providing a second voltage that is lower than the first voltage;at least one electrical load; andcircuit means for electrically connecting the output of the at least one power supply to the at least one electrical load.2. The electrical system of further comprising at least one modifier disposed between and electrically coupled to the output of the at least one power supply and the at least one electrical load claim 1 , the at least one modifier comprising an input and an output claim 1 , the modifier modifying at least one electrical characteristic from the input to the output.3. The electrical system of further comprising a current converter disposed between and electrically coupled to the power source and the at least one electrical load claim 1 , the current converter for converting current between alternating current and direct current.4. The electrical system of wherein the power source is ...

WELDING MODULE INCLUDING DUAL CYCLE POWER SYSTEM

A device has an engine mechanically coupled to a generator, and a plurality of electrical receptacles coupled to the generator. The device also includes a transformer and a selector switch for selectively placing the transformer in a circuit containing at least one of the plurality of electrical outlets. 1. A device comprising:an engine mechanically coupled to a generator;a plurality of electrical receptacles coupled to the generator;a compressor connected to the generator;an arc welder receptacle coupled to the generator;a transformer;a selector switch for selectively placing the transformer in a circuit containing at least one of the plurality of electrical outlets.2. The device of claim 1 , wherein the generator is a three phase alternating current generator.3. The device of claim 2 , wherein the arc welder receptacle is connected to all three power phases of the generator.42. The device of claim claim 2 , claim 2 , where in at least one of the plurality of electrical receptacles is connected to less than three of the power phases of the generator.5. The device of claim 1 , further comprising a vehicle mountable platform retaining the engine and generator.6. The device of claim 1 , wherein the selector switch further controls the engine and generator to change an alternating current frequency of output power from the generator.7. A mobile power device comprising:a vehicle mountable platform;an engine mounted to the platform;an alternating current generator mechanically powered by the engine;a plurality of electrical receptacles coupled to the generator;a transformer selectively integrable to a circuit containing at least one of the plurality of receptacles such that the transformer alters the voltage between the generator and the at least one of the plurality of receptacles; anda switch that selectively integrates the transformer into the circuit and changes the speed of the engine to change the speed of the generator such that a voltage and cycle of the at least ...

Energy Management Method and System, and Computer Readable Storage Medium for Storing the Method

An energy management method is provided. The energy management method comprises the steps of retrieving load information from at least one load and retrieving energy-supplying information from an energy supply system having a grid power source, a renewable energy generation module and an energy storage module to instantly calculate first and second energy thresholds. When an energy production of the renewable energy generation module is smaller than the second energy threshold, the grid power source or the energy storage module is controlled to supply energy to the load. When the energy production is between the first and the second energy thresholds, the renewable energy generation module is controlled to supply energy to the load. When the energy production is larger than the first energy threshold, the renewable energy generation module is controlled to supply energy to the load and charge the energy storage module.

Distributed energy managment using grid-shifting devices

In embodiments of the present invention improved capabilities are described for systems and methods that provide a method of power management of a lighting source, including providing a lighting facility, wherein the lighting facility includes the lighting source, an external control device for communicating between the lighting facility and an external control source, an internal control facility, an energy storage device, and a connection to external power; and shifting power usage between the external power and the energy storage device as controlled by the internal control facility and as a result of information received from the external control source.

Multichannel power controller

An object of the present invention is to provide a multichannel power controller for limiting the number of channels with outputs therefrom simultaneously turned on and enabling power conditioning that makes the ratio of the “ON time” to the “ON+OFF time” for the output proportional to the input value, thus allowing the power capacity of the power plant to be set to the minimum required value, when a plurality of channels are subjected to time-sharing output control.

ELECTRICAL SYSTEM WITH CIRCUIT LIMITER

An electrical power distribution system automatically limits the number of substantially similar or identical power cable assemblies that are electrically energizable from a power source. A control unit is connected between the power source and the power cable assemblies, and limits the number of power cable assemblies that can be energized in the system by sensing the voltage in a sensing circuit. An applied voltage in the sensing circuit changes in a predictable manner corresponding to the number of power cable assemblies that are electrically connected in the circuit. Each power cable assembly includes an impedance element that is added to the sensing circuit when the corresponding power cable assembly is coupled to the system, and once the detected voltage is beyond a predetermined threshold value, the control unit will ensure that the power cable assemblies are not energized by the power source. 1. An electrical power distribution system comprising:at least one power outlet receptacle;at least one power cable assembly comprising (i) a main power cable subassembly having at least two power conductors and at least two signal conductors, (ii) an electrical impedance element electrically coupled to at least one of said signal conductors, and (iii) an outlet feed cable configured to be electrically coupled to said power outlet receptacle and to said power conductors in said main power cable sub assembly;a control unit in electrical communication with said power conductors and said signal conductors of said main power cable subassembly, said control unit comprising an electrical switch associated with at least one of said power conductors and operable to selectively prevent a flow of electricity through said power conductors, and a controller in electrical communication with said signal conductors and said electrical switch;wherein said controller is operable to detect a number of main power cable subassemblies coupled together in said electrical power distribution ...

ADVANCED TOPOLOGIES FOR OFFSHORE POWER SYSTEMS

A variable speed compression system that is driven by a variable frequency high speed motor that receives power from a high frequency generation unit that is driven by a high speed gas turbine is provided. The speed of the turbine may be varied to control the output frequency of the high frequency generation unit, thus controlling the output of the compression system by controlling the speed of the turbine driving the generation unit. 1. A power distribution system , comprising:a variable speed gas turbine having an output shaft;a multi-pole high frequency electrical power generator connected to the output shaft and receiving rotational power therefrom;a high speed variable frequency electric motor electrically connected to an output of the multi-pole high frequency electrical power generator; anda variable speed centrifugal compressor having a central rotor, the central rotor being coupled to an output shaft of the high speed variable frequency electric motor for concomitant rotation therewith, the power distribution system being configured to provide power rectification, DC distribution, and local load center conversion to AC power for BOP electrical loads.2. The power distribution system of claim 1 , further comprising an electrical bus electrically coupled between the multi-pole high frequency electrical power generator and the high speed variable frequency electric motor.3. The power distribution system of claim 2 , further comprising one or more additional high speed variable frequency electric motors electrically coupled to the electrical bus claim 2 , the one or more additional high speed variable frequency electric motors directly receiving high frequency alternating current at a variable frequency and a variable voltage through the electrical bus.4. The power distribution system of claim 2 , further comprising:a low frequency electrical motor or other load device electrically coupled to the bus; anda converter electrically coupled between the bus and the ...

SYSTEM AND METHOD FOR IMPROVING GRID EFFICIENCY UTILIZING STATISTICAL DISTRIBUTION CONTROL

Disclosed is a system and method for improving grid efficiency, reliability, security and capacity, utilizing energy storage over a plurality of on-site energy storing appliances, and also utilizing on-site demand reduction devices lacking storage, all controlled via configuration settings with a local means to act independently, yet in statistical coordination, to provide a desired effect. The appliance and controller are located on the downstream side of the end-users power meter, and facilitates the utilization of the stored energy and manages the optimal timing for producing and delivering the stored energy to the end-user. This model demonstrates a utility driven, disaggregated, distributed energy system, where the distributed energy resource is designed to behave as an offset to the predictable daily electrical demand profile. 1. An electric controller capable of independently operating an electric appliance comprising:said controller that controls a standard operation mode and an alternate operation mode of said appliance, said controller that provides information for the timing of said standard operation mode and said alternate operation mode of said appliance by execution of operational commands for said appliance, said controller that acts in statistical coordination with additional said controllers on a plurality of said appliances that collectively provide a desired load offset to improve anticipated electric power grid conditions.2. The device of further comprising:an energy storage module that converts electric energy to another form of energy and stores said energy in a charging mode, said controller that utilizes said stored energy in said alternate operation mode to supplement the electric energy needed for said appliance to perform approximately the same function as said standard operation mode, thereby reducing an end-user's demand for said electric energy during said alternate operation mode.3. The device of claim 2 , wherein said energy storage ...

Clustering method, optimization method using the same, power supply control device

The present invention is a method for performing clustering of sizes of loads of a power supply system with history data for each predetermined period as objects to be classified, wherein the method is such that, for each of the history data, subtraction processing is performed thereupon in which the amounts of specific loads which have been identified as loads of the power supply system are deducted, whereupon clustering is performed for each of the history data for which the subtraction processing has been performed thereupon as the objects to be classified.

Control architecture for power switching controller

A control architecture for a power controller has a power line input, a plurality of power channels that are operable to control power flow from the power line input to one or more loads, an isolated power supply, and a microcontroller module that controls each of the multiple power channels.

POWER DEMAND MANAGEMENT APPARATUS AND POWER DEMAND MANAGEMENT SYSTEM

A power demand management apparatus comprising a power demand acquiring section acquiring a predicted power demand; a consumer house information holding section that, for each of a plurality of request methods or request conditions, and for each of a plurality of consumer houses, holds a sensitivity indicating a probability that the consumer house will comply with a request; a consumer house selecting section that, when the predicted power demand exceeds a target value, selects a first consumer house whose sensitivity for a first request method or request condition is no less than a first reference value and selects a second consumer house whose sensitivity for a second request method or request condition is no less than a second reference value; and a restriction requesting section that issues requests for power demand restriction to the first and second consumer houses respectively using the first and second request methods or request conditions. 1. A power demand management apparatus comprising:a power demand acquiring section that acquires a predicted power demand, which is a power demand predicted for a predetermined period in the future;a consumer house information holding section that, for each of a plurality of request methods or request conditions for requesting that a consumer house restrict power demand, and for each of a plurality of the consumer houses, holds a sensitivity that indicates a probability that the consumer house will comply with a request when the request is issued to the consumer house with the corresponding request method or request condition;a consumer house selecting section that, when the predicted power demand exceeds a predetermined target value, selects a first consumer house whose sensitivity with respect to a first request method or request condition is greater than or equal to a first reference value and selects a second consumer house whose sensitivity with respect to a second request method or request condition is greater than ...

Arrangement for an uninterruptible power supply

The invention relates to an arrangement for an uninterruptible power supply with a rectifier, an energy store, an inverter, a switching means and a controller. The rectifier is connected to a rectifier input to a supply grid (AC 1 ). The energy store is connected to a rectifier output of the rectifier ( 1 ) and to an inverter input of the inverter. A network (AC 3 ) to be protected or a load to be protected is connected to an inverter output of the inverter, wherein the rectifier input or a supply grid (AC 2 ) is connected via the switching means to the inverter output, and wherein the rectifier, the inverter and the switching means is controlled by the controller, wherein the controller has two control parts which are constructed with redundancy, and wherein the rectifier and the switching means or the inverter and the switching means can be controlled simultaneously by the control parts.

AUTOMATIC TRANSFER SWITCH HAVING AN INTERLOCK ARRANGEMENT

An automatic transfer switch to automatically electrically connect an electrical panel to a second power source, e.g., an electric generator, during interruption or failure of a first power source, e.g., a utility power supply, includes a powered interlock arrangement that is operative to prevent the electrical panel from being electrically connected to both power sources simultaneously. 1. A method of switchably connecting distribution circuits of an electrical panel between first and second power sources , the electrical panel including first and second power supply switches , wherein the power supply switches include respective first and second switch operating members , the method comprising:detecting interruption of power from a power source providing power to the electrical panel; andenergizing a rotatable powered actuator connected to the switch operating members of the power supply switches, wherein rotation of the powered actuator translates the switch operating members in a direction parallel to an axis of rotation of the powered actuator so as to apply a linear force to the first power supply switch operating member to move the first power supply switch operating member from a first position to a second position, and to also move the second power supply switch operating member from a second position to a first position, wherein when the first power supply switch operating member is in the second position and the second power supply switch operating member is in the first position, the distribution circuits are electrically connected to the second power source.2. The method of further comprising deenergizing the powered actuator after the first power supply switch operating member has been switched to the second position.3. A transfer panel for electrically connecting a set of distribution circuits to an auxiliary power supply during interruption of primary power from a primary power supply claim 1 , comprising:a primary side switch having a primary side ...

HYDROELECTRIC POWER GENERATION PLAN ADJUSTMENT DEVICE, HYDROELECTRIC POWER GENERATION PLAN ADJUSTMENT METHOD, AND PROGRAM

The economical load distribution adjusting device acquires an optimal hydroelectric output, optimal demand, and optimal power price from the supply-demand planning device acquires the planned hydroelectric output planned by the water level planning devices and acquires a planned demand planned by the hot water tank temperature control devices The economical load distribution adjusting device reduces the power price of the time at which the planned hydroelectric output exceeds the optimal output and makes the water level planning devices replan the hydroelectric output, and raises the power price of the time at which the planned demand exceeds the optimal demand and makes the hot water tank temperature control devices replan the amount of demand. 1. A hydroelectric power plan adjusting device for adjusting a plan of the hydroelectric power , communicatively connected to each of a supply-demand planning device and a hydroelectric power planning device , the supply-demand planning device calculating an optimal value of output per unit time by hydroelectric power generation as well as calculating an optimal value of power price per the unit time , and the hydroelectric power planning device planning an output by the hydroelectric power generation in accordance with the power price , the device comprising:an optimal supply-demand plan acquiring unit configured to acquire from the supply-demand planning device an optimal value of the output and an optimal value of the power price per the unit time;an optimal output acquiring unit configured to control the hydroelectric power planning device to plan the output according to the power price and acquire a planned value of the output from the hydroelectric power planning device; anda price adjusting unit configured to reduce the power price for the unit time at which the planned value of the output exceeds the optimal value of the output and controls the hydroelectric power planning device so that the output is planned ...

PROTECTING AGAINST TRANSIENTS IN A COMMUNICATION SYSTEM

A system for transmitting alternating current power and communication signals between a first location and a second location through a communication path which includes at least one inductive load and at least one switch configured to switch power to the at least one inductive load on and off is disclosed herein. The system comprises a control configured to control the at least one switch so that, if the power is switched on during a particular phase of the power, is the power is switched off during the opposite phase of the power, and if the power is switched off during a particular phase of the power, the power is switched on during the opposite phase of the power. 1. A system for transmitting alternating current power and communication signals between a first location and a second location through a communication path , the communication path comprising at least one inductive load and at least one switch configured to switch power to the at least one inductive load on and off , the system comprising:a control configured to control the at least one switch so that, if the power is switched on during a particular phase of the power, the power is switched off during the opposite phase of the power, and if the power is switched off during a particular phase of the power, the power is switched on during the opposite phase of the power.2. The system according to claim 1 , wherein the control is further configured to control the at least one switch so that claim 1 , in response to switching the power off claim 1 , a direct current is applied to the at least one inductive load and claim 1 , in response to actuation of the at least one switch to switch the power on claim 1 , the power is switched on during a phase of the power which results in a magnetization of the at least one inductive load opposite to that resulting from the direct current.3. The system according to claim 1 , wherein the at least inductive load is at the first location.4. The system according to claim ...

Adaptive stochastic controller for distributed electrical energy storage management

A system for managing a battery in communication with an electrical grid that includes (a) a data collector to collect data representative of an electrical grid; (b) an ASC controller operatively coupled to the data collector and adapted to receive collected data therefrom, the ASC controller comprising a financial strategizer to send instructions based on the collected data; and (c) a battery controller operatively coupled to the ASC controller to receive the instructions transmitted by the ASC controller, the battery controller configured to dictate whether the battery receives electricity from, or transmits electricity to the electrical grid.

Apparatus and method for stabilizing an electrical power import

An apparatus and a method for stabilizing an electrical power import from a power distribution system by way of at least one subscriber connected to the power distribution system via an electrical connection. An electrical power import anomaly when electrical power is imported by the respective subscriber from the power distribution system is identified using transmitted control messages, which are determined for the respective subscriber or originate from the respective subscriber. Once an electrical power import anomaly has been identified, power consumption units or power generation units are driven correspondingly. The apparatus effectively protects the power distribution system from third-party intervention or implementation errors which can bring about an unstable system response.

Weather and satellite model for estimating solar irradiance

Solar irradiance, the energy from the Sun's electromagnetic radiation, has a wide range of applications from meteorology to agronomy to solar power. Solar irradiance is primarily determined by a location's spatial relationship with the Sun and the atmospheric conditions that impact the transmission of the radiation. The spatial relationship between the Sun and a location on Earth is determined by established astronomical formulas. The impact of atmospheric conditions may be estimated via proxy using pixels from satellite imagery. While satellite-based irradiance estimation has proven effective, availability of the input data can be limited and the resolution is often incapable of capturing local weather phenomena. Brief qualitative descriptions of general atmospheric conditions are widely available from internet weather services at higher granularity than satellite imagery. This methodology provides logic for quantifying the impact of qualitative weather observations upon solar irradiance, and the integration of this methodology into solar irradiance estimation models.

Electronic power meter and method for storing data thereof

The present disclosure relates to an electronic power meter and a method for storing data thereof. The electronic power meter includes a communication unit that receives a critical peak pricing rate data, a memory that stores first metering data corresponding to the critical peak pricing rate data received via the communication unit, and second metering data corresponding to a predetermined varying pricing rate data, the memory storing the first metering data and the second metering data into different storage areas respectively, and a controller that calculates metering data by applying a corresponding rate for each time slot according to the varying pricing rate or the critical peak pricing rate.

Battery power supply device and method of controlling power of the same

A battery power supply device is provided. The battery power supply device includes: an input unit that receives external power; a battery power unit that is connected to the input unit to charge a battery with the external power; a current detection unit that detects a current that is supplied to a load and that provides the current to the battery power unit; and an output unit that provides the external power and battery power from one node to the load and that receives a load current from the battery power unit to adjust output of the battery power.

GRID-CONNECTED POWER STORAGE SYSTEM AND METHOD FOR CONTROLLING GRID-CONNECTED POWER STORAGE SYSTEM

A grid-connected power storage system for coupling a power generation system to a grid, including: a main battery for discharging stored power to the load system; at least one additional battery coupled to the main battery for discharging stored power to the load system; a bidirectional converter coupled to the main and additional batteries, and including a plurality of switches for performing a conversion between a DC link voltage, between the power generation system and the grid, and a battery voltage, a first switch of the plurality of switches corresponding to the main battery and a second switch of the plurality of switches corresponding to the additional battery, wherein the first and second switches are connected to each other in parallel; and an integrated controller for selectively controlling operations of the first switch and the second switch based on an amount of power used by the load system. 1a main battery for discharging stored power to the load system;at least one additional battery coupled to the main battery for discharging stored power to the load system;a bidirectional converter coupled to the main and additional batteries, and comprising a plurality of switches for performing a conversion between a DC link voltage, between the power generation system and the grid, and a battery voltage, a first switch of the plurality of switches corresponding to the main battery and a second switch of the plurality of switches corresponding to the additional battery, wherein the first and second switches are connected to each other in parallel; andan integrated controller for selectively controlling operations of the first switch and the second switch based on an amount of power used by the load system.. A grid-connected power storage system for coupling a power generation system to a grid to supply power to a load system, comprising: This application is a continuation of U.S. patent application Ser. No. 12/841,023, filed Jul. 21, 2010, which claims priority ...

Method of balancing an electrical network comprising several generators, distributors and installations

A method of balancing an electrical distribution system including several generators implements a network divided into several subnetworks powered by ring-like swappers. The balancing of the network between the various generators available is obtained through switchings of subnetworks selected as a function of the order of switching of the swappers.

Intellectual power controlling system

An intellectual power controlling system includes a gateway controller ( 1 ) and at least a socket module ( 2 ). The gateway controller ( 1 ) is configured to wirelessly control power statuses of all socket modules ( 2 ) in an area, and to record a power status information of each socket module ( 2 ) in the area at a certain time. Therefore, the user can control the gateway controller ( 1 ) to switch the power statuses of all socket modules ( 2 ), or to send a switch command in accordance with the recorded power status information to switch the power statuses of all socket modules ( 2 ) back to the power statuses performed at the certain time. Moreover, the gateway controller ( 1 ) is configured to pre-define at least one situation mode, and to switch the power statuses of all socket modules ( 2 ) in accordance with the situation mode.

Systems and Methods for the Timed Power Up of Electronic Devices

A power re-set device that includes two or more solid state switched outlet circuits and two or more timer delay circuits. The circuits are housed within a power outlet enclosure and allow the user to connect a modem, a router, and a computer to direct their sequential activation on a time delayed basis. The system includes displays and timer set buttons to program timed delays into the system for activation of specific switched outlet circuits. The device includes connection to an AC power outlet through a surge protection circuit. The system includes a manual power cycle button that allows the user to re-set the entire system through a single action. The user may program the system to sequentially activate the electronic devices in a manner that allows boot up of the devices in an order that accommodates the interconnections between the devices, such as through a network. Operation of the system includes programming the device to delay activation of a modem and then to delay activation of a router within the system. Thereafter, a further time delay may be implemented before a computer within the system is powered up. The device may monitor power and network signal condition. 1a solid state switched power circuit comprising an AC power input, a plurality of solid state power switches, and a plurality of switched AC power outlets;a plurality of timer circuits, each timer circuit connected to one of the plurality of solid state power switches;one or more of timer set devices associated with the plurality of timer circuits;one or more of timer display devices associated with the plurality of timer circuits;a power cycle switch associated with the solid state switched power circuits; anda circuit protection device associated with the AC power input.. A system for time sequentially providing power to a plurality of electronic devices the system comprising: This application claims the benefit under Title 35 United States Code §119(e) of U.S. Provisional Application 61/ ...

Device for Reducing Standby-Mode Energy Consumption of an Electric Household Appliance

An electric household appliance () has an electronic control unit () powered by a low-voltage power unit (), and a device () for reducing energy consumption of the electric household appliance in standby mode. The device includes: a bistable relay () which is switched by a low-voltage enabling signal (S) to a closed position to turn on the low-voltage power unit (), or is switched by a disabling signal (S) to an open position to turn off the low-voltage power unit (); a low-voltage capacitive power unit () designed to generate the low-voltage enabling signal (S); and a hand-operated control device () interposed between the low-voltage capacitive power unit () and the bistable relay () to supply the low-voltage enabling signal (S) to the bistable relay. 1. An electric household appliance comprising a control unit; and a low-voltage power unit connected to an electrical power network to receive a main supply voltage and supply a low supply voltage to said control unit;said electric household appliance comprising a device for reducing energy consumption of the electric household appliance in a standby mode, and which comprises:a switch which is switched by a low-voltage enabling signal from an open state to a closed state connecting the low-voltage power unit to the electrical power network to turn on the low-voltage power unit and said control unit;a low-voltage capacitive power supply connected to said electrical power network and designed to generate said low-voltage enabling signal; anda hand-operated control device having an input connected to said low-voltage capacitive power means to receive said low-voltage enabling signal; and an output connected to said switching means to supply said low-voltage enabling signal.2. An electric household appliance as claimed in claim 1 , wherein said switch is adapted to be switched claim 1 , by a disabling signal claim 1 , to said open state claim 1 , disconnecting the low-voltage power unit from the electrical power network ...

Power line management system

Techniques comprising obtaining, using a sensor unit coupled to a power line in a power distribution system, at least one measurement of at least one inertial property of the power line; and detecting at least one condition of the power line at least in part by analyzing the at least one measurement. A sensor unit configured to be coupled to a power line in a power distribution system, the sensor unit comprising an inertial sensor configured to collect at least one measurement of at least one inertial property of the power line.

POWER SUPPLY CIRCUIT FOR AN AIRCRAFT DE-ICING SYSTEM

An aircraft electrical supply circuit including: a power distribution network, onboard the aircraft, for electrical devices located in an engine of the aircraft or near the engine; and a power supply generator built into the engine of the aircraft to supply AC voltage power to a deicing or anti-icing system. The power supply generator is connected to a thrust reverser electromechanical actuator by a rectifier for supplying DC voltage power to the actuator. 17-. (canceled)8. An aircraft comprising:an aircraft engine; andan electrical power supply circuit, the electrical power supply circuit including an electrical power distribution network, onboard the aircraft, for electrical devices located in an engine of the aircraft or in an environment of the engine, and a power supply generator integrated into the engine of the aircraft and connected to a deicing or anti-icing system to supply AC voltage power to the deicing or anti-icing system,wherein the power supply generator is connected to a thrust reverser electromechanical actuator through a rectifier for supplying DC voltage power to the actuator.9. The aircraft according to claim 8 , wherein the rectifier is a diode bridge.10. The aircraft according to claim 8 , wherein the network is connected to the actuator through a second rectifier.11. The aircraft according to claim 8 , further comprising an electronic engine control unit configured to regulate the AC voltage supplied by the power generator to control closure of a first switch located between the power supply generator and the actuator when the AC voltage reaches a predetermined level.12. The aircraft according to claim 11 , wherein the electronic engine control unit is further configured to control a second switch located between the power supply generator and the deicing or anti-icing system.13. The aircraft according to claim 11 , wherein the electronic engine control unit is further configured to control the deicing or anti-icing system to operate with ...

Imputed dc link (idcl) cell based power converters and control thereof

Power flow controllers based on Imputed DC Link (IDCL) cells are provided. The IDCL cell is a self-contained power electronic building block (PEBB). The IDCL cell may be stacked in series and parallel to achieve power flow control at higher voltage and current levels. Each IDCL cell may comprise a gate drive, a voltage sharing module, and a thermal management component in order to facilitate easy integration of the cell into a variety of applications. By providing direct AC conversion, the IDCL cell based AC/AC converters reduce device count, eliminate the use of electrolytic capacitors that have life and reliability issues, and improve system efficiency compared with similarly rated back-to-back inverter system.

POWER SUPPLY CONTROL APPARATUS AND METHOD FOR CONTROLLING THE SAME

A power supply control apparatus comprises a receiving unit configured to receive data sent from an external device via a network, a control unit configured to process the data received by the receiving unit, a switching unit configured to switch between supply and disconnection of power from a first power supply unit to the receiving unit and to the control unit, and a mechanical switch configured to switch between supply and disconnection of power from a second power supply unit to the control unit. If the apparatus receives data from the external device in a power state in which power is supplied from the first power supply unit to the receiving unit and power to the control unit is stopped, the apparatus controls to supply power from the first power supply unit to the control unit without turning on the mechanical switch. 1. A power supply control apparatus comprising:a receiving unit configured to receive data sent from an external device via a network;a control unit configured to process the data received by the receiving unit;a first power supply unit configured to supply power to the receiving unit and to the control unit;a second power supply unit configured to supply power to the control unit;a switching unit configured to switch between supply and disconnection of power from the first power supply unit to the control unit;a mechanical switch configured to switch between supply and disconnection of power from the second power supply unit to the control unit; anda power supply control unit configured to, in a case where the receiving unit received the data from the external device in a power state in which power is supplied from the first power supply unit to the receiving unit and power to the control unit is stopped, control the switching unit so that power is supplied from the first power supply unit to the control unit without turning on the mechanical switch.2. The power supply control apparatus according to claim 1 , wherein a voltage supplied by the ...

Power Transmission Systems and Components For Direct Current Applications

A power conversion and distribution system. In one embodiment low voltage source components convert a high voltage AC power source to a relatively low voltage supply and provide a direct current output. First superconductor wires carry current from the low voltage source components to a load, and second superconductor wires carry current from the load to the low voltage source components. Individual ones of the first wires are grouped with individual ones of the second wires so that wires connected to carry current in opposite directions are in such sufficiently close proximity that additives of self-fields generated by individual ones of the wires during power transmission result in reduction of the magnetic fringe field generated, thereby increasing the current carrying capacity of the wires. 118.-. (canceled)19. A power conversion and distribution system comprising:low voltage source components configured to receive, from a first power source, and convert a relatively high voltage alternating current power source to a relatively low voltage alternating current power supply and provide a direct current voltage power as an output; anda transmission line comprising a first plurality of superconductor wires each connected to carry current from the low voltage source components to a load, and a second plurality of superconductor wires each connected to carry current from the load to the low voltage source components, wherein individual ones of the wires of the first plurality are grouped with individual ones of the wires of the second plurality, with wires connected to carry current in opposite current directions placed in such sufficiently close proximity to one another that additives of self-fields generated by individual ones of the wires during power transmission result in reduction of a total magnetic fringe field generated about the wires placed in said such sufficiently close proximity, thereby increasing the current carrying capacity of the wires as a result ...

Network system

A network system is provided. The network system includes: at least one component of an energy supply unit supplying energy and an energy management unit managing the energy supply unit. An amount of energy used or energy charge of the energy supply unit is adjustable. An amount of energy used or energy charge when the component is controlled on the basis of information related to at least usage charge may be less than that when the component is controlled not on the basis of the information related to at least usage charge. Also, the energy supply unit has a power saving mode to determine a driving method or a driving time of the energy supply unit on the basis of the information related to energy charge.

Policy-driven automated facilities management system

An automated facilities management system has the ability to predict occupant behavior by identifying recurring patterns in the way that people use buildings and comparing them with environmental characteristics. This technology is not limited to human behavior patterns, but extends to any mechanical systems or data points that tend to vary in recurring patterns. The data processing is carried out by rules engines triggered by relational database modifications.

Continuous Dynamic Balancing of Generation and Loads

Methods and apparatus for dynamically balancing at least one load characterized by an associated energy reservoir with at least one renewable energy source where both the load and the renewable energy source coupled to a power transmission system. A central controller regulates energy delivery to one or more loads over the power transmission system by anticipating energy demand over an interval of time, accounting for the status of the associated energy reservoir. Each load is linked with at least one renewable energy source. The anticipated energy demand is synchronized with delivery of energy by the renewable energy source by commands delivered to a local switching and monitoring device coupled to the load and subject to override by a local user.

Control apparatus

Provided is a control apparatus for an ancillary service that utilizes storage batteries. The control apparatus, which is for controlling charging/discharging between a power storage unit and a power grid, and of discharging from the power storage unit to a load, allots the rechargeable batteries to a power-grid power-storage section that is for controlling discharging to the power grid on the basis of the amount of economical profit to be raised by this control and/or the state of rechargeable batteries contained in the power storage unit, and to a load power-storage section that is for controlling discharging to the load, to control discharging from the power-grid power-storage section to the power grid, and discharging from the load power-storage section to the load.

CONTROL METHOD FOR ARRANGING DC/AC CONVERTERS IN PARALLEL

A control method for multi-converter systems wherein all DC/AC converters (-) are connected to a single transformer () via a single primary winding. The method of the present invention stands out mainly because it controls the common-mode voltage generated by the different DC/AC converters (-) so that said voltage falls mainly on the transformer (). 115-. (canceled)17111111nn. A control method for connecting DC/AC converters in parallel (.-.) according to claim 16 , wherein the converters (.-.) use pulse width modulation (PWM).18111111nn. A control method for connecting DC/AC converters in parallel (.-.) according to claim 17 , wherein the DC/AC converters (.-.) use a single carrier signal to match their common-mode voltages.19111111111nnn. A control method for connecting DC/AC converters in parallel (.-.) according to claim 18 , wherein the carrier signal is generated in a DC/AC converter (.-.) and is transmitted to the other DC/AC converters (.-.)20111111111nnn. A control method for connecting DC/AC converters in parallel (..-.) according to claim 19 , wherein the carrier signals of the DC/AC converters (..-.) are matched by a system connected to said DC/AC converters (..-.).21111111111nnn. A control method for connecting DC/AC converters in parallel (.-.) according to claim 20 , wherein the system that matches the carrier signals from the DC/AC converters (..-..) is based on a control signal that is transmitted to the different control units from the DC/AC converters (..-..).22111111nn. A control method for connecting DC/AC converters in parallel (.-.) according to claim 21 , wherein the control signal is generated in a DC/AC converter (.-.).23111n. A control method for connecting DC/AC converters in parallel (.-.) according to claim 21 , wherein the control signal is distributed by a physical medium chosen from among fibre-optics claim 21 , twisted pair copper wire or a communications system.241112111nn. A control method for connecting DC/AC converters in ...

LOAD CONTROL DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING LOAD

A switch control unit detects a power supply voltage of a heater detected by a voltage detection unit, and switch is performed on a load state of the heater in a range from a first load state to a fourth load state when the detected power supply voltage falls into a predetermined first domain. On the other hand, the switch is performed on the load state that ranges from the first load state to the third load state when the detected power supply voltage falls into a predetermined second domain that is higher in voltage than the first domain. That is, when the power supply voltage is in the second domain that is higher in voltage than the first domain, a limitation is imposed on the switch to the fourth load state where a combined resistance value is the lowest among the first and fourth load states. 11212. A load control device that controls a load which is switchable to any one of n stage load states including a first load state , a second load state and so forth to an n-th load state of which resistance values are R , R , and so forth to Rn (n is an integer that is equal to or greater than 3 and R>R> . . . >Rn) , respectively , comprising:a detection unit that detects a value relating to a power supply voltage of the load; anda switch control unit that performs switch on the load state in a range from the first load state to the n-th load state when the power supply voltage derived based on the detected value falls into a predetermined first domain, and that performs the switch on the load state in a range from the first load state to the (n−k)-th load state (1≦k Подробнее

SYSTEMS AND METHODS FOR INDUCTIVE LOAD SWITCHING

An electronic device for inductive load switching is described. The electronic device includes a voltage sensor module that monitors a voltage waveform. The electronic device also includes a current sensor module that monitors a current waveform. The electronic device additionally includes a computing module coupled to the voltage sensor module and to the current sensor module that determines a power factor based on the voltage waveform and the current waveform. The electronic device further includes a controller module coupled to the computing module that switches off an inductive load based on the power factor. The electronic device has dimensions for fitting within a wall box. 1. An electronic device for inductive load switching , comprising:a voltage sensor module that monitors a voltage waveform;a current sensor module that monitors a current waveform;a computing module coupled to the voltage sensor module and to the current sensor module that determines a power factor based on the voltage waveform and the current waveform; anda controller module coupled to the computing module that switches off an inductive load based on the power factor, wherein the electronic device has dimensions for fitting within a wall box.2. The electronic device of claim 1 , wherein the computing module determines a switching offset based on the power factor.3. The electronic device of claim 2 , wherein switching off the inductive load is based on the switching offset.4. The electronic device of claim 2 , wherein the switching offset indicates an amount of time to delay switching off an inductive load after a voltage zero-cross.5. The electronic device of claim 1 , wherein the electronic device is wired in a switch-leg mode.6. The electronic device of claim 1 , wherein the electronic device is wired in a parallel mode.7. The electronic device of claim 1 , wherein switching off the inductive load comprises switching off a line feed in a sinusoidal fashion.8. The electronic device of ...

Electric power supply-and-demand control apparatus

According to one embodiment, an electric power supply-and-demand control apparatus includes a measuring module which measures an output power characteristic of dispersed power sources arranged in various places in an electric power system. The electric power supply-and-demand control apparatus includes a determination module which determines based on the output power characteristic measured by the measuring module whether to set each of the dispersed power sources in various places as a dispatching object for an electric power supply-and-demand plan at a specific time on a specific date.

Power distribution module(s) capable of hot connection and/or disconnection for distributed antenna systems, and related power units, components, and methods

Power distribution modules capable of “hot” connection and/or disconnection in distributed antenna systems (DAS), and related components, power units, and methods are disclosed. The power distribution modules are configured to distribute power to a power-consuming DAS component(s), such as a remote antenna unit(s) (RAU(s)). By “hot” connection and/or disconnection, it is meant that the power distribution modules can be connected and/or disconnected from a power unit and/or a power-consuming DAS component(s) while power is being provided to the power distribution modules. Power is not required to be disabled in the power unit before connection and/or disconnection of power distribution modules. As a non-limiting example, the power distribution modules may be configured to protect against or reduce electrical arcing or electrical contact erosion that may otherwise result from “hot” connection and/or connection of the power distribution modules.

Hybrid integrated wind-solar-diesel-city power supply system

The invention relates to a hybrid integrated wind-solar-diesel-city power supply system, which comprises at least one subsystem selected from wind power subsystems or solar power subsystems and at least one diesel-city power subsystem, a direct-current bus unit, a main control unit, multiple high frequency rectifiers and a direct-current distribution unit. Each one subsystem has a DC output coupled to said direct-current bus unit for afflux. Said main control unit is configured to select a set of subsystems from the wind and solar power subsystems and enable the selected set of subsystems but disable others, so as to let a sum of maximum power output of all enabled subsystems to be larger than or equal to power demanded while minimize the number of the enabled subsystems contained in the selected set of the subsystems, and adjust operation of the selected subsystems so as to optimize the system efficiency, and also configured to control current and voltage output of said high frequency rectifier according to the operation status of said direct-current distribution unit and the voltage and current output of said direct-current bus unit, thereby advantageously increasing efficiency and reducing the power consumption of the system, and thus also improve reliability and life of the system apparatus.

Architecture for power plant comprising clusters of power-generation devices

A string and load balancer system that provides the ability to boost the string voltage in low-light or reduced-power conditions so that the inverter may continue to operate. The boost operation can be achieved by addition of a single substantially D.C. switch. The DC switch may be rated for the maximum intended voltage boost, not the maximum bus voltage. A string and load balancer provided herein may allow photovoltaic arrays to be productive in mornings, evenings, and in clouded or otherwise sub-nominal conditions.

METHOD AND SYSTEM FOR FAST SWITCHING BACKUP POWER SUPPLY IN MULTIPLE POWER SOURCE

A method and a system provide fast switching between multiple backup power supplies. The method includes building, on the basis of the changing characteristics of the amplitude difference and phase angle difference of a bus voltage, an acceleration model for the changing speed thereof. An optimum backup power supply is selected from the multiple backup power supplies by way of forecasting the changed value thereof. A load on the bus is switched to the optimum backup power supply. The system contains a detecting module, a calculating module, a comparison module, a backup power supply determining module, and a switching module. The method and system are able to ensure the reliable and optimized fast switching of the load on a bus. 114-. (canceled)15. A method for fast switching a backup power supply of a multiple power source , which when a failure is detected in a main power supply , comprises the steps of:{'sub': diff', 'diff, '1) calculating a current time voltage difference Vbetween a bus and a backup power supply and calculating a current time phase angle difference θbetween the bus and the backup power supply;'}{'sub': diff', 'diff', 'backup', 'min backup, '2) making a determination that the backup power supply is to be switched to only when the current time voltage difference Vis within an allowable voltage difference between the bus and the backup power supply, when the current time phase angle difference θis within an allowable phase angle difference between the bus and the backup power supply, and when a current time voltage Vof the backup power supply is greater than a minimum allowable voltage Vfor the backup power supply; and'}3) initiating a backup power supply switching signal so as to switch a load on the bus to the backup power supply.16. The method according to claim 15 , wherein the multiple power source contains a plurality of backup power supplies claim 15 , and the method further comprises:performing steps 1) to 2) above to each of the backup ...

Apparatus and method for collecting power from distributed power supply resources

An apparatus and method for collecting power from distributed power supply resources are provided. The method includes transmitting a signal for inquiring whether supply of demand-side power supply resources is possible to a providing side that provides demand-side power supply resources, selecting demand-side power supply resources to be utilized, based on power supply resource-related information for each of available demand-side power supply resources, which is received from the providing side, and notifying the selection results to the selected demand-side power supply resources.

Electricity storage apparatus for controlling power consumption and method therefor

A method for controlling power consumption by an electricity storage apparatus is provided. The method includes receiving, from a utilizing side, an inquiry request signal for inquiring whether power supply from the electricity storage apparatus is possible, inquiring an amount of charged power from the electricity storage apparatus compared to a capacity of the electricity storage apparatus, comparing a required amount of power, which is included in the inquiry request signal, with the amount of charged power, and based on the comparison result, determining an amount of power to supply to the utilizing side and whether to switch to an operation mode of supplying the amount of power to the utilizing side, and upon determining to switch to the operation mode, checking an amount of available supply power in accordance with the operation mode, and transmitting information about the checked amount of available supply power to the utilizing side.

Smart power strip

A power strip includes a controller that controls the transfer of electricity to one or more outlet electrical connectors based at least in part on a set of rules and certain status information. Some embodiments provide for apparatuses and methods of controlling the transfer of electricity to one or more outlet electrical connectors of a power strip based on various status information, such as cost, personal preferences, time information, power consumption.

System and Method for Energy Storage Management

A method is provided for efficiently managing energy consumption using stored energy. The method accepts input energy (e.g., from a power utility) and maintains a record of energy consumption. An energy consumption peak is predicted in response to analyzing the record of energy consumption, and the input energy is augmented with stored energy during the predicted energy consumption peaks. More explicitly, a peak shaving value is selected based on a fraction of the predicted energy consumption peak, and the stored energy is used when energy consumption exceeds the peak shaving value. In one aspect, after a determination is made to use stored energy, it is simply used while it is available. Otherwise, it is supplied based upon an analysis of a predicted value of the stored energy.

UNIVERSAL POWER CONTROL DEVICE

The present invention is directed to an intelligent dimmer that is capable of “learning” the type of load it is controlling, and adjusts its operating parameters accordingly. The present invention can adaptively drive electrical loads over a wide range of wattages. The intelligent dimmer of the present invention is configured to automatically calibrate itself based on the load current demands of a particular electrical load. The intelligent dimmer of the present invention also adaptively limits in-rush currents to extend the life expectancy of the solid state switching components used therein. 1. An electrical wiring device comprising:a housing assembly including a plurality of terminals at least partially disposed therein, the plurality of terminals being configured to be coupled to an AC power source and at least one electrical load, the plurality of terminals being configured to provide the electrical wiring device with AC power in a device energized state and not provide the device with AC power in a device deenergized state;a load current sensor coupled to the plurality of terminals and configured to provide a current sensor signal based on a current propagating through the at least one electrical load;at least one variable control mechanism coupled to the housing assembly, the at least one variable control mechanism being configured to adjustably select a user adjustable load setting, the user adjustable load setting being adjustable between a minimum setting and a maximum setting;at least one series pass element coupled to the at least one variable control mechanism, the at least one series pass element being configured to provide load power to the at least one electrical load in accordance with the user load setting;a regulation circuit coupled to the load current sensor and the at least one series pass element, the regulation circuit being configured to enter a calibration mode when the device transitions from the device deenergized state to the device ...

Method for microgrid controls development

A process develops controls for microgrid systems. The process models physical systems of increasing complexity. Candidate control algorithms are implemented as state machines that can affect state variables which represent control signals for elements of the physical system. A simulation of the physical system is operated according to the control algorithms.

POWER SOURCE SWITCHING CIRCUIT AND POWER SOURCE SWITCHING SYSTEM WITH POWER SOURCE SWITCHING CIRCUIT

A power source switching circuit, includes a first and second contact, a first, second, and third relay. The first contact includes a first normally open main contact and a first normally closed auxiliary contact. The second contact includes a second normally open main contact and a second normally closed auxiliary contact. The first, second, third normally open contacts of the first, second, third relays, connected in series, are connected between three phrase lines of the main power source and the second normally closed auxiliary contact. The second normally closed auxiliary contact is connected to a zero line of the main power source. The first, second, third normally closed contacts, connected in parallel, are connected between three phrase lines of the auxiliary power source and the first normally closed auxiliary contact. The first normally closed auxiliary contact is connected to a zero line of the auxiliary power source. 1. A power source switching circuit , comprising:a first contact, the first contact comprises a first normally open main contact and a first normally closed auxiliary contact, the first normally open main contact configured to be connected between a main power source and a loader;a second contact, the second contact comprises a second normally open main contact and a second normally closed auxiliary contact, the second normally open main contact configured to be connected between an auxiliary power source and the loader;a first relay, and the first relay comprises a first normally open contact and a first normally closed contact;a second relay, and the second relay comprises a second normally open contact and a second normally closed contact; anda third relay, and the third relay comprises a third normally open contact and a third normally closed contact;wherein the first normally open contact, the second normally open contact, and the third normally open contact, connected in series, are configured to be connected between three phrase lines ...

DEVICES AND METHODS FOR HARVESTING POWER FROM ARRAYS OF WIND TURBINES

Variable frequency alternate current (VFAC) bus arrangements and systems using such VFAC bus arrangements are described, such as arrays of turbines. Such systems have a centrally located power process hub connected to the VFAC bus arrangements in a way that there is a dedicated VFAC bus arrangement for each turbine of the array. 1. A bus arrangement for transferring electrical power comprising:a plurality of variable frequency alternating current (VFAC) buses, each VFAC bus comprising:a first terminal configured to be connected to a generator attached to a turbine; anda second terminal configured to be connected to an alternating current (AC) to direct current (DC) converter;wherein each VFAC bus is configured to transfer variable frequency alternating current (VFAC) power generated by the generator connected to the first terminal from mechanical power of the corresponding attached turbine to the AC to DC converter connected to the second terminal.2. A system , comprising:an array arrangement of turbines disposed along plurality of nodes, each node associated to n turbines, with n=0, 1, 2, . . . ; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a plurality of VFAC buses according to , wherein, during operation, each VFAC bus transfers VFAC power generated by the generator attached to a corresponding turbine and connected to the first terminal of the VFAC bus to the AC to DC converter connected to the second terminal of the VFAC bus.'}3. The system according to claim 2 , further comprising a power process hub claim 2 , wherein each of the AC to DC converters connected to the second terminal of each VFAC bus is located inside the power process hub.4. The system according to claim 3 , wherein the power process hub is located at a center or centroid of the array arrangement of turbines.5. The system according to claim 3 , wherein the power process hub comprises:one or more direct current (DC) to alternating current (AC) converters, wherein, during operation, each ...

MULTI-MODAL LOAD CONTROL SYSTEM HAVING OCCUPANCY SENSING

A multi-modal load control system includes a sensor that operates as an occupancy sensor in a first mode of operation and operates as a vacancy sensor in a second mode of operation. The load control system comprises a load control circuit coupled in series between an AC power source and an electrical load for controlling the amount of power delivered to the load in response to sensor, which is operable to detect occupancy or vacancy conditions in a space in which the sensor is located. In the first mode, the load control circuit turns the load on when the sensor detects the occupancy condition and turns the load off when the sensor detects the vacancy condition. In the second mode, the load control circuit turns the load off when the sensor detects the vacancy condition and does not turn the load on when the sensor detects the occupancy condition. 1. A load control system for controlling the amount of power delivered from an AC power source to an electrical load located in a space of a building , the load control system comprising:a sensor for detecting the presence or absence of an occupant in the space; anda load control circuit adapted to be coupled in series electrical connection between the source and the load for controlling the amount of power delivered to the load, the load control circuit responsive to the sensor to control the amount of power delivered to the load, such that, while the load control system is operating in a first mode of operation, defined for a first predetermined period of time, the load control circuit turns the load on when the sensor detects the presence of the occupant and turns the load off when the sensor detects the absence of the occupant, and while the load control system is operating in a second mode of operation, defined for a second predetermined period of time, the load control circuit turns the load off when the sensor detects the absence of the occupant and does not turn the load on when the sensor detects the presence of ...

SYSTEM AND METHOD FOR CONTROLLING AN ELECTRICITY SUPPLY

A system for controlling an electricity supply to a load comprises at least one battery for storing energy. The system also comprises a controller for determining when to switch between a first mode wherein electricity is supplied to the load from a mains electricity circuit; and a discharging mode wherein electricity is supplied from the battery to the load via the mains electricity circuit. The determining is based on information associated with the electricity supply. 145-. (canceled)46. An apparatus for controlling an electricity supply to a load comprising:a controller configured to determine based on information associated with the electricity supply when to switch between a first mode wherein electricity is supplied to the load from a mains electricity circuit and a discharging mode wherein electricity is supplied from a battery to the load via the mains electricity circuit, andwherein the controller is configured to determine when to switch to a charging mode, wherein the battery is charged from the mains electricity circuit.47. The apparatus as claimed in claim 46 , wherein said information comprises frequency information claim 46 , wherein said frequency information comprises a frequency of said electricity supply claim 46 , and wherein said frequency information comprises a deviation of a frequency of said supply from a given value.48. Apparatus as claimed claim 46 , wherein said controller is configured to determine to switch mode only if information indicative of a switch being required is present for at least a minimum length of time.49. The apparatus as claimed in claim 46 , wherein said information comprises an imbalance between a supply and a demand for the electricity supply.50. The apparatus according to wherein said information comprises one or more parameters of an electricity transmission and distribution network and/or said electricity supply claim 46 , wherein the one or more parameters comprise one or more of the following:time of the peak ...

Electricity control system

According to one embodiment, an electricity control system includes a power plant, a customer and a central device connected to each other via a power line. The customer includes an electricity generator that generates electricity. The central device provides the customer with feedback of an incentive indicated by a value obtained by multiplying an electricity amount injected into a grid within an electricity amount generated in the electricity generator by a first incentive coefficient L used when the power plant has surplus electricity to supply.

INVESTIGATING TIMING RELIABILITY IN RELATION TO CONTROL OF A POWER TRANSMISSION SYSTEM

The disclosure is related to a method, power control device and computer program product for evaluating accuracy of timing provided by time generating equipment in relation to wide area control in a power transmission system, where the wide area control is performed based on time stamped measurements of system data. The power control device can include a timing deviation handling unit that investigates timing used in relation to time based measurements, determines if the timing is reliable or not based on the investigation, and aborts wide area control if the timing is deemed unreliable. 1. A method for evaluating accuracy of timing provided by time generating equipment in relation to wide area control in a power transmission system , said wide area control being performed in said power transmission system based on time stamped measurements of system data , the method comprising:investigating time stamps of the time stamped measurements;determining whether at least one time stamp is unreliable based on the investigating; andaborting wide area control if the at least one time stamp is deemed unreliable.2. A method according to claim 1 , wherein the time stamps of the time stamped measurements represent the points in time when the measurements were taken.3. A method according to claim 1 , wherein the investigating of the time stamps comprises:determining at least one time delay between time stamps of measurements intended for use in wide area control and a time at which these measurements are received by a measurement collecting device of the system;comparing the time delay with a time delay range having an upper and a lower limit; andperforming the aborting of wide area control when the determined time delay is outside the range.4. A method according to claim 3 , comprising:aligning the time stamped measurements in a measurement aligning unit according to the time stamps.5. A method according to claim 4 , wherein the determining at least one time delay comprises: ...

POWER STRIP AND POWER MEASUREMENT METHOD

A power strip includes: jack portions; current meters each configured to measure a current being supplied from the corresponding jack portion to one of external electrical devices, and to output a measurement signal corresponding to a magnitude of the current; and a computing unit configured to obtain instantaneous values of the current at a plurality of time points on the basis of the measurement signal, and to calculate a power value using the instantaneous values. The computing unit configured to obtain the instantaneous values of the current by using any one of a first zero point and a second zero point as a reference. 1. A power strip comprising:a jack portion;a current meter configured to measure a current being supplied from the jack portion to an external electrical device, and to output a measurement signal corresponding to a magnitude of the current; anda computing unit configured to obtain instantaneous values of the current at a plurality of time points on the basis of the measurement signal, and to calculate a power value using the instantaneous values,wherein the computing unit is configured to obtain the instantaneous values of the current by using any one of a first zero point and a second zero point as a reference.2. The power strip according to claim 1 , the power strip further comprising a storage unit configured to store at least any one of the first zero point and the second zero point.3. The power strip according to claim 1 , wherein:the first zero point is a fixed value, andthe second zero point is a middle point between the maximum value and the minimum value of the measurement signal within a predetermined period.4. The power strip according to claim 3 , wherein:a plurality of the jack portions are provided,a plurality of the current meters are provided corresponding to the jack portions, respectively, andthe computing unit obtains the maximum value and the minimum value for each of the jack portions.5. The power strip according to claim 3 , ...

POWER CONTROL DEVICE

A power control device for regulating the power that a load consumes on the basis of the AC supply frequency. The system includes decision logic that responds to a frequency deviation to implement a power regulation strategy. The power regulation strategy includes a power compensation phase during which the electrical power that the load consumes is adjusted (reduced or increased) to balance the load on the grid. The power regulation strategy also includes a power restoration phase during which the power to the load is restored (either increased or decreased). The rate at which the power is adjusted during the power compensation phase is higher than the rate at which the power is restored during the power restoration phase. 142-. (canceled)43. A power control device for use in an AC power grid for regulating an electrical power a load that is supplied by the AC power grid consumes , the power control device comprising:a. a frequency sensing functional block for detecting deviations of the grid frequency from a nominal grid frequency;b. a logic functional block for implementing a power regulation process during which the power the load consumes is reduced when the frequency sensing functional block determines that the grid frequency has deviated from the nominal grid frequency, the power regulation process reducing the power the load consumes in a continuous fashion with relation to the degree of deviation of the grid frequency from the nominal frequency; andc. an output for outputting a control signal for controlling the power the load consumes on the basis of the power regulation process.44. A power control device as defined in claim 43 , wherein the power regulation process reducing the power the load consumes in a non-stepwise fashion.45. A power control device as defined in claim 43 , wherein the power regulation process reducing the power the load consumes step-wise by implementing multiple discrete power levels claim 43 , the multiple discrete power levels ...

POWER SUPPLY STATE MONITORING DEVICE, POWER SUPPLY STATE MONITORING METHOD, AND PROGRAM

Provided is a power supply state monitoring device and so on which is capable of notifying a user of the fact that there is a problem with an AC cord and the fact that a power supply apparatus itself is not mounted separately. The power supply state monitoring device is a device which is provided in a main body of an apparatus in which a first power supply apparatus including an AC cord and a second power supply apparatus including an AC cord can be mounted, and monitors the state of power to be supplied from the second power supply apparatus to the main body of the apparatus when power is supplied from the first power supply apparatus to the main body of the apparatus, determines whether or not the second power supply apparatus is mounted in the main body of the apparatus based on a power-supply mount-state notification signal from the second power supply apparatus, if the second power supply apparatus is mounted in the main body of the apparatus, determines whether or not the power is supplied from the AC cord of the second power supply apparatus based on an AC-supply state notification signal from the second power supply apparatus, and if the power is not supplied from the AC cord, notifies a user of the fact that the second power supply apparatus is mounted in the main body of the apparatus and the power is not supplied from the AC cord. 1. A power supply state monitoring device comprising:a determination unit which, when power is supplied from a first power supply apparatus including an AC cord to a main body of an apparatus in which the first power supply apparatus and a second power supply apparatus including an AC cord can be mounted, power being supplied from the second power supply apparatus to the main body of the apparatus, the state of the power supplied from the second power supply being monitored, makes a first determination based on a power-supply mount-state notification signal which is output from the second power supply apparatus and indicates ...

DAMPING CIRCUIT FOR AN ENERGY STORAGE DEVICE AND METHOD FOR DAMPING OSCILLATIONS OF THE OUTPUT CURRENT OF AN ENERGY STORAGE DEVICE

A damping circuit for an energy storage device. The damping circuit comprises a current detection device designed to detect an output current of energy supply strings or the energy storage device and to generate an output current signal dependent on the output current. The damping circuit also includes a closed-loop control circuit coupled to the current detection device. The closed-loop control circuit designed to adjust the output current signal to a setpoint current signal and to output a corresponding current control signal. A first winding of a transformer is coupled to an output connection of the energy storage device. A second winding is galvanically isolated from the first winding. A compensation current generation device is coupled to the closed-loop control circuit, and is designed to feed a compensation current into the second winding of the transformer depending on the current control signal. 1. A damping circuit for an energy storage device which comprises one or more energy storage modules connected in series in one or more energy supply strings , said energy storage modules having at least one energy storage cell and a coupling device having a multiplicity of coupling elements , which coupling device is designed to connect the energy storage cell selectively into the respective energy supply string or to bridge said energy storage cell , the damping circuit comprising:a current detection device, which is designed to detect an output current of the energy supply strings or the energy storage device and to generate an output current signal dependent on the output current;a closed-loop control circuit, which is coupled to the current detection device and is designed to adjust the output current signal to a setpoint current signal and to output a corresponding current control signal;a transformer, which has a first winding, which is coupled to an output connection of the energy storage device, and a second winding which is galvanically isolated from the ...

Power distribution with wraparound bus

A power distribution system among a set of units (e.g., server blocks) may comprise, for each unit, a utility line and a unit generator, and a reserve generator providing failover transient performance and redundancy improvement to the power for the unit generators. The reserve generator may connect to the units via a reserve bus, and the unit generators may selectively connect to a wraparound bus connected to the reserve bus. When the failover load exceeds the available failover transient capability of one generator, one or more unit generators may (automatically or by operator selection) be connected with the wraparound bus to apply available transient capability to satisfy the excess failover load with minimal increase in power distribution resources and complexity.

Domestic appliance having a stand-by mode and method for operating such a domestic appliance

A domestic appliance includes a mains connection at which an electrical mains voltage can be applied relative to a reference potential, a main supply unit supplying an electrical operating voltage from the mains voltage at its output, and at least one electrical consumer receiving the operating voltage. An electrical switch electrically isolates at least the output of the main supply unit from the mains connection, when the domestic appliance is in a standby mode. Provided separate from the main supply unit is a voltage supply which is coupled to the mains connection and which taps the mains voltage at the mains connection in the standby mode and supplies a supply voltage from the mains voltage for switching the electrical switch to an electrically conducting switching state to thereby switch the domestic appliance from the standby mode to an operating mode.

DISTRIBUTED SOLAR POWER PLANT AND A METHOD OF ITS CONNECTION TO THE EXISTING POWER GRID

Methods and apparatus are provided for using a renewable source of energy such as solar, wind, or geothermal energy. In some embodiments, the method may include generating electric energy from a renewable form of energy at a plurality of locations at which reside an electric power line associated with an electric power grid. The electric energy generated at each location may be transferred to the electric power line to thereby supply electric energy to the electric power grid. 1. A method for using a renewable source of energy , comprising:generating electric energy from a renewable form of energy at a plurality of locations at which reside a pre-existing AC electric power line in an AC electric power grid, wherein the electric energy is generated by a plurality of energy generators each mounted to a different supporting structure that supports the electric power line at one of the plurality of locations; andtransferring the electric energy generated at each location to the AC electric power line at each respective location to thereby supply electric energy to the AC electric power grid.2. The method of claim 1 , wherein the renewable form of energy is at least one of solar energy claim 1 , wind energy claim 1 , or thermoelectric energy.3. The method of claim 1 , wherein the renewable form of energy is solar energy and further comprising concentrating the solar energy onto a solar cell arrangement that generates the electric energy.4. The method of claim 1 , wherein the plurality of locations are locations at which a utility operator of the AC electric power grid has a right of way to use the location.5. The method of claim 1 , wherein substantially all of said generated electric energy is transferred to the AC electric power grid.6. The method of claim 1 , wherein the electric energy generated is DC electric energy.7. In an AC electric power grid that includes a pre-existing AC electric power line claim 1 , a distributed energy generating plant comprising:a ...

LOAD-BALANCING DEVICE ON A POLYPHASE NETWORK

A load-balancing device includes a control module, and a converter for generating a voltage supplying a single-phase electrical load connected to a polyphase electrical network. The converter selectively modifies a phase shift between its output and phases of the polyphase electrical network. The control module controls synchronization of the output with a first phase of the network and its progressive phase shifting when it is synchronized with a second phase of the polyphase electrical network. It also controls connection of the load to the network and to the converter when the converter and first phase are synchronized. The control module maintains disconnection of the load from the network during the progressive phase shifting of the converter output voltage, and controls its connection the second phase of the network when its output is synchronized with the second phase. 112-. (canceled)13. An apparatus comprising a load-balancing device for load balancing on a polyphase electrical network , said load-balancing device comprisinga voltage conversion device comprising a converter configured for generating a converter output voltage intended to supply a single-phase electrical load connected to said polyphase electrical network, said converter being configured to selectively modify a phase shift between said converter output voltage and phases of said polyphase electrical network,a control module for controlling synchronization of said voltage conversion device, said control module being configured to control synchronization of said converter output voltage with a first phase of said polyphase electrical network,to control a progressive phase shifting of said converter output voltage until said converter output voltage is synchronized with a second phase of said polyphase electrical network,to control connection of said single-phase electrical load to said polyphase electrical network,to control connection of said electrical load to said converter output voltage ...

Semiautomatic Transfer Switch With Open Neutral Protection

A semiautomatic switching device is configured to selectively connect one of two power sources to a load. Each of the power sources is a split-phase power source including a first hot lead, a second hot lead, and a neutral lead. When the second split-phase power source is generating power, the voltage between the first or second hot lead and the neutral lead closes a corresponding first or second contact. The first and second contacts are connected in series between the first hot lead, the second hot lead and a third switch. The voltage potential present between the first hot lead and the second hot lead closes a third and fourth contact. The third contact is connected in series between the first hot lead and the load and the fourth contact is connected in series between the second hot lead and the load. The switching device protects against open neutral conditions. 1. A transfer switch for selectively connecting one of a first power source and a second power source to an electrical load , the transfer switch comprising:a first switch selectively enabled as a function of a first voltage potential;a second switch selectively enabled as a function of a second voltage potential, wherein the second voltage potential is substantially equal to the first voltage potential; anda third switch selectively enabled as a function of a third voltage potential wherein the third voltage potential is substantially twice the first voltage potential and wherein the first switch and the second switch are connected in series to selectively connect the third voltage potential to the third switch when both the first switch and the second switch are enabled.2. The transfer switch of claim 1 , wherein each of the first power source and the second power source are split-phase power sources including a first hot lead claim 1 , a second hot lead claim 1 , and a neutral lead claim 1 , the transfer switch further comprising:a first voltage supply operatively connected between the first hot lead ...

METHOD AND APPARATUS FOR CONTACTLESS TRANSMISSION OF ELECTRICAL ENERGY BETWEEN A WALL AND A DOOR LEAF FASTENED TO THIS WALL

A method for a contactless transmission of electrical energy includes providing a leaf fastened to a wall. The leaf is hingedly mounted about a hinge axis. Providing a hinge plate pin. Providing a primary power coil fastened to the wall. Providing a secondary power coil fastened to the leaf. The primary power coil and the secondary power coil are in an inductive operative connection with each another via the hinge plate pin. Detecting an actual secondary power voltage induced in the secondary power coil. Comparing the actual secondary power voltage with a setpoint value of the secondary power voltage. Influencing a primary power applied to the primary power coil based on the comparison of the setpoint value and the actual secondary power voltage. Detecting the primary power required to achieve the setpoint value of the secondary power voltage. Triggering a signal when a predetermined primary power is exceeded. 19-. (canceled)10. A method for a contactless transmission of electrical energy between a wall and a leaf fastened to the wall , the method comprising:providing a leaf fastened to a wall, the leaf being configured so as to be hingedly mounted about a hinge axis;providing a hinge plate pin;providing a primary power coil fastened to the wall;providing a secondary power coil fastened to the leaf, the primary power coil and the secondary power coil being configured so as to be in an inductive operative connection with each another via the hinge plate pin;detecting an actual secondary power voltage induced in the secondary power coil;comparing the actual secondary power voltage with a setpoint value of the secondary power voltage;influencing a primary power applied to the primary power coil based on the comparison of the setpoint value and the actual secondary power voltage;detecting the primary power required to achieve the setpoint value of the secondary power voltage; andtriggering a signal when a predetermined primary power is exceeded.11. The method as recited ...

Standby power system that predicts a need to supply power to a load to minimize start time of a generator

Some embodiments relate to a standby power system. The standby power system includes a sensor that is adapted to monitor a primary power source which provides power to a load. In some embodiments, the sensor may monitor characteristics of the power supplied by the primary power source 12 that may be used to sense abnormalities. The standby power system further includes a generator that is also adapted to supply power to the load. As an example, the generator may include an internal combustion engine that drives an alternator. The standby power system further includes a generator controller that operates the generator and exchanges data with the sensor. The generator controller predicts a need to supply power to the load based on data received from the sensor. The generator controller then acts to minimize a time to availability of the generator based on the prediction.

AC Solar Panel System

The present invention relates to an AC solar panel system () which converts solar energy into electrical energy and provides alternating current as output. The inventive AC solar panel system () comprises: a photovoltaic panel () which converts solar energy into direct current electricity, a frame () which encloses the photovoltaic panel () safely, and a direct current-alternating current inverter () which is placed into the frame () and converts the direct current that is generated by the photovoltaic panel () into alternating current. In the event that it is also desired to store the energy generated, a plurality of batteries () are connected to the photovoltaic panel () which has the inverter () together with the charge control member () and into the frame () electrically. 19.-. (canceled)1119881. The AC solar panel system () according to claim 10 , characterized by at least one plug () associated with the direct current-alternating current inverter () which enables the alternating current that is formed by the direct current-alternating current inverter () to be fed to systems outside the panel ().121574. The AC solar panel system () according to claim 10 , characterized by the channel () having a C form which is located on the frame () and in which the photovoltaic panel () is placed.131574. The AC solar panel system () according to claim 11 , characterized by the channel () having a C form which is located on the frame () and in which the photovoltaic panel () is placed.1414. The AC solar panel system () according to claim 10 , characterized by the photovoltaic panel () which has a rectangular shape.1514. The AC solar panel system () according to claim 11 , characterized by the photovoltaic panel () which has a rectangular shape.1614. The AC solar panel system () according to claim 12 , characterized by the photovoltaic panel () which has a rectangular shape.1714. The AC solar panel system () according to claims 13 , characterized by the photovoltaic panel () ...

CHARGED POWER CONTROL SYSTEM

Provided is a charged power control system which includes a plurality of chargers -- and -N, a switchboard configured to receive electric power from a power network and supply the electric power to the plurality of chargers and electrical installations --- and -M other than the chargers, a first power measuring unit configured to measure consumed power of the electrical installations other than the chargers, a second power measuring unit configured to measure consumed power of the respective chargers, an AC/DC conversion unit configured to convert the electric power supplied from the switchboard from an alternating current into a direct current and supply the resulting electric power to the chargers, and a power control unit configured to determine allocated power to the charger on the basis of the consumed power of the other chargers and the electrical installations other than the chargers and conversion efficiency of the AC/DC conversion unit The charger includes a charger control unit configured to receive a notification of the allocated power and determine, within a range not exceeding the allocated power, a charging current supplied to a secondary battery connected thereto. 1. A charged power control system comprising:a plurality of chargers;a switchboard configured to receive electric power from a power network and supply the electric power to the plurality of chargers and electrical installations other than the chargers;a first power measuring unit configured to measure consumed power of the electrical installations other than the chargers;a second power measuring unit configured to measure consumed power of the respective chargers;an AC/DC conversion unit configured to convert the electric power supplied from the switchboard from an alternating current into a direct current and supply the resulting electric power to the chargers; anda power control unit configured to determine allocated power to the charger on the basis of the consumed power of the other ...

Systems for Optimized Solar Power Inversion

Different systems to achieve solar power conversion are provided in at least three different general aspects, with circuitry that can be used to harvest maximum power from a solar source or strings of panels for DC or AC use, perhaps for transfer to a power grid three aspects can exist perhaps independently and relate to: 1) electrical power conversion in a multimodal manner, 2) alternating between differing processes such as by an alternative mode photovoltaic power converter functionality control, and 3) systems that can achieve efficiencies in conversion that are extraordinarily high compared to traditional through substantially power isomorphic photovoltaic DC-DC power conversion capability that can achieve 99.2% efficiency or even only wire transmission losses. Switchmode impedance conversion circuits may have pairs of photovoltaic power series switch elements and pairs of photovoltaic power shunt switch elements. 12-. (canceled)3. A solar energy power inversion system comprising:a plurality of solar panels, each having a high variable DC photovoltaic output;a plurality of photovoltaic DC inputs that each accept power from at least one of said plurality of high variable DC photovoltaic outputs;a plurality of inverter coordinated photovoltaic DC-DC power converters, each responsive to at least one of said plurality of photovoltaic DC inputs;inverter operating condition coordinated converter functionality control circuitry of each said inverter coordinated photovoltaic DC-DC power converter to which each said inverter coordinated photovoltaic DC-DC power converter is responsive;a plurality of photovoltaic DC power outputs, each connected to at least one of said plurality of inverter coordinated photovoltaic DC-DC power converters;a plurality of converter output series connections to which said plurality of photovoltaic DC power outputs are serially connected;a high voltage, high power photovoltaic DC-AC inverter responsive to said plurality of converter output ...

Method for real-time control of energy storage units to reduce electricity cost

A method for controlling an energy storage unit having a model which tracks each charging instances includes, for each charging event, capturing energy charged into the energy storage unit and an unit energy price of the charging source(s) at the time of charging; updating a unit price of total energy stored in the storage unit at each time-step; during a discharging event, updating the unit price of energy in the storage unit on a selected cost model; comparing the unit price of energy in the storage unit with other generation sources in the microgrid and a utility tariff; selecting a lowest cost combination from generation, storage, and grid and using the lowest cost combination to supply a load; and if a controller decides to use stored energy at any time, sending a discharge command to the energy storage unit.