УСТРОЙСТВО ДЛЯ ЭНЕРГОПИТАНИЯ ДЛИННОЙ СТАТОРНОЙ ОБМОТКИ С НЕСКОЛЬКИМИ СЕКЦИЯМИ ОБМОТКИ

FIELD: electricity. SUBSTANCE: device for power supply of a long stator winding (1) with several sections (2) contains a power supply source, a power line (6) connected to the power supply source, switches (3) of sections related to the power line (6) and having an output for connection with respective winding section used for compensation of reactive power notwithstanding power control and device for reactive power compensation in which impedance of the device can be set. EFFECT: providing compensation of reactive power notwithstanding control of the power supply source. 3 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 491 695 (13) C2 (51) МПК H02J 3/24 (2006.01) H02P 25/06 (2006.01) B60L 9/12 (2006.01) B60L 13/03 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010123901/07, 10.11.2008 (24) Дата начала отсчета срока действия патента: 10.11.2008 (72) Автор(ы): ХОФФМАНН Райнхард (DE), ВЕЛЛЕР Альфред (DE) (73) Патентообладатель(и): СИМЕНС АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) R U Приоритет(ы): (30) Конвенционный приоритет: 14.11.2007 DE 102007055020.2 (43) Дата публикации заявки: 20.12.2011 Бюл. № 35 2 4 9 1 6 9 5 (45) Опубликовано: 27.08.2013 Бюл. № 24 2 4 9 1 6 9 5 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.06.2010 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: RU 2212086 C2, 10.09.2003. RU 2310263 C2, 10.11.2007. RU 2003112726 A, 20.10.2004. SU 905940 A1, 15.02.1982. GB 1422331 A, 28.01.1976. JP 60167605 A, 31.08.1985. JP 60219990 A, 02.11.1985. US 4303870 A, 12.01.1981. (86) Заявка PCT: EP 2008/065216 (10.11.2008) (87) Публикация заявки РСТ: WO 2009/062906 (22.05.2009) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. А.В.Мицу, рег.№ 364 (54) УСТРОЙСТВО ДЛЯ ЭНЕРГОПИТАНИЯ ДЛИННОЙ СТАТОРНОЙ ОБМОТКИ С НЕСКОЛЬКИМИ СЕКЦИЯМИ ОБМОТКИ (57) Реферат: Изобретение относится к области электротехники и может ...

Регулируемый электропривод переменного тока с двузонным управлением для синхронного двигателя

Предлагаемая полезная модель относится к регулируемым электроприводам переменного тока с двузонным управлением для синхронного двигателя и может быть использована для плавного двузонного регулирования скорости синхронного двигателя. Регулируемый двузонный электропривод переменного тока, в котором в качестве электрического двигателя используется синхронный двигатель с постоянными магнитами на роторе, при этом на ротор двигателя добавлена дополнительная обмотка, которая через подвижный механический контакт, через который осуществляется управление данной обмоткой, питающее переменное напряжение подключается к входу преобразователя частоты, выход преобразователя частоты подключается к первому входу блока коммутаторов, выход которого подключается к обмоткам статора двигателя и к контактам дополнительной обмотки, и ко второму входу блока коммутаторов поступает сигнал с выход блока выпрямителя, вход которого подключается к питающему переменному напряжению. 3 ил.

НАСОСНЫЙ УЗЕЛ И СПОСОБ УПРАВЛЕНИЯ

Изобретение относится к насосным узлам. Технический результат – обеспечение насосного узла с дополнительно оптимизированной конструкцией, за счет уменьшения размера приводного мотора, которая является эффективной даже для работы не с полной, а с частичной нагрузкой. Для этого насосный узел (1) содержит насосный блок (2), выполненный с возможностью обеспечения требуемого напора Hпри нулевом расходе, бесщеточный приводной AC-мотор (205) с регулируемой скоростью и постоянным магнитом для привода насосного блока (2) и блок управления приводным мотором (205), содержащий преобразователь частоты, выполненный с возможностью приема входного напряжения (U), где приводной мотор (205) работает в режиме ослабления поля и режиме без ослабления поля, где приводной мотор (205) имеет размер меньше стандартного для привода насосного блока (2) при номинальном входном напряжении (U) для более низкого напора H, чем требуемый напор Hпри нулевом расходе в режиме без ослабления поля, и для привода насосного блока ...

ПРЕОБРАЗОВАТЕЛЬ, ЭЛЕКТРИЧЕСКАЯ МНОГОФАЗНАЯ СИСТЕМА И СПОСОБ, В КОТОРОМ ИХ ПРИМЕНЯЮТ

Externes Leistungszuführungssystem

Ein externes Leistungszuführungssystem enthält eine elektrische Speichervorrichtung (B), einen Motor, einen Wechselrichter, welcher den Motor unter Verwendung von elektrischer Leistung der elektrischen Speichervorrichtung (B) antreibt, und eine Steuerungsvorrichtung (50), welche den Wechselrichter steuert. Der Wechselrichter (21) enthält ein erstes Schaltelement und ein zweites Schaltelement, welche zwischen einer positiven Elektroden-Leistungs-Zuführungsleitung (PL2) und einer negativen Elektroden-Leistungs-Zuführungsleitung (NL) in Reihe zueinander geschaltet sind. Ein Verbindungsknoten des ersten Schaltelements und des zweiten Schaltelements ist mit einer entsprechenden Spule von Statorspulen verbunden. Die Steuerungsvorrichtung (50) gibt Antriebssignale zu dem Wechselrichter (21) ein, um den Wechselrichter (21) derart anzutreiben, dass eine Spannung bei dem Neutralpunkt zu einem vorbestimmten Wert wird. Die Steuerungsvorrichtung (50) kompensiert die Antriebssignale in einer Totzeit-Phase ...

Reluctance motor having stator windings drivable in symmetric or asymmetric connection configuration

A reluctance motor 10 comprises a rotor comprising a plurality of rotor poles, and a stator comprising a plurality of stator poles. Each stator pole comprises a stator winding arranged to be driven by a substantially sinusoidal alternating current (AC) drive current so as to cause the rotor to rotate about a rotation axis of the motor. Each stator winding is arranged to be driven in one of a symmetric connection configuration (fig. 13) and an asymmetric connection configuration (fig. 12). Each stator winding may be arranged to be driven in the asymmetric connection configuration when the rotational speed of the motor is less than a motor speed threshold; and in the symmetric connection configuration when the rotational speed of the motor is greater than a motor speed threshold.

Motor incorporating power converter, and air conditioner, water heater, and ventilation blower incorporating the motor

Reluctance motors

High voltage converter for use as electric power supply

An electric power supply 100 has high-voltage circuitry 125 converting a high-voltage, direct-current (HVDC) input 107 to multiphase high-voltage, alternating-current (HVAC) output 108, for example to power an electric appliance (e.g. an electric motor), and low-voltage circuitry 165 to power the auxiliary and control electronics controlling and managing the high-voltage circuitry as well as handling the system monitoring. The high voltage circuitry may comprise one or more DC pre-charge capacitors 116 and one or more power transistor switches 124. The HVDC circuitry is configured to receive HVDC input power of about 320 volts and/or greater and convert the HVDC input power to multi-phase HVAC output power of about 320 volts and/or greater. The low-voltage circuitry is configured to operate on low-voltage, direct-current (LVDC), and is configured to control and monitor the multi-phase HVAC output power. DC to DC converter circuitry 130 is configured to receive and convert the HVDC input ...

VARIABLE VOLTAGE SUPPLY SYSTEM

Motor drive device, refrigeration cycle device, and air conditioner

This motor drive device is provided with: the same number of inverter modules as the number of phases of a motor 15; and a control unit 5 which generates pulse width modulation (PWM) signals for driving the inverter modules 2, 3, 4 by way of PWM. The inverter modules 2, 3, 4 each have, provided therein: a plurality of switching element pairs in each of which two switching elements are connected in series; a drive circuit 7 for driving the plurality of switching element pairs on the basis of input signals from the control unit; and a protection circuit 8 which stops the drive circuit 7 if a first threshold voltage value is exceeded, regardless of the input signals from the control unit 5. The plurality of switching element pairs are connected in parallel. Power GNDs 28, which are reference terminals of the plurality of switching element pairs, control GNDs 30, which are reference terminals of the drive circuits 7, and overcurrent abnormality input terminals 26 of the protection circuits ...

MULTIPLE PRIME POWER SOURCE LOCOMOTIVE CONTROL

The present invention is directed to a control strategy for operating a plurality of prime power sources during propulsion, idling and braking and is applicable to large systems such as trucks, ships, cranes and locomotives utilizing diesel engines, gas turbine engines, other types of internal combustion engines, fuel cells or combinations of these that require substantial power and low emissions utilizing multiple power plant combinations. The present invention is directed at a general control strategy for a multi-engine systems where the power systems need not be of the same type or power rating and may even use different fuels. The invention is based on a common DC bus electrical architecture so that prime power sources need not be synchronized.

MITIGATION OF HARMONIC CURRENTS AND CONSERVATION OF POWER IN NON-LINEAR LOAD SYSTEMS

An AC power controller system (56) applies three-phase AC operating voltage to an induction motor (38) that drives a non-linear mechanical load (40). A primary low pass filter (54) is connected in series between branch phase conductors (28, 30, 32) and a power controller (36) that controls the application of AC power to the motor. KVAR rated capacitors (C4, C5, C6) connected in shunt relation across the power controller output terminals (Ml, M2, M3) and the induction motor phase windings (W1, W2, W3) form a secondary low pass filter (59) across the controller output terminals. The primary low pass filter and secondary low pass filter isolate the power controller and induction motor with respect to spurious noise and harmonics generated by local as well as remote sources, and also improve real power transfer efficiency from the power generating source (12) to the induction motor (38).

DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER

A divided phase windings circuit includes divided phase windings, a power switch circuit comprising at least one power switch and direct current (DC) supply circuit at a midpoint of divided motor phase windings, and non-collapsing DC power supply component to prevent power supply from collapsing when at least one switch is on and conducting. The non-collapsing DC power supply component may include one or more tap from motor divided phase windings electrically connected to power supply, a secondary phase coil winding connected to power supply to power the power supply, one or more resistors and one or more Zener diodes between the divided phase windings and power switch circuit, and/or electrical component to create a voltage drop between motor divided phase windings and power switch circuit to prevent power supply from collapsing when at least one power switch in the power switch circuit is on and conducting.

Elektrischer Antrieb mit wenigstens einem kommutatorlosen Stromrichtermotor

Novel high-voltage motor speed regulating device parallelly fed by 600MW unit frequency converter

Vacuum pump

A vacuum pump 10 comprises a vacuum pumping mechanism 12 mounted for rotation by a shaft 14 and a brushless motor 16 for rotating the shaft. The vacuum pumping mechanism 12 comprises a turbo pumping mechanism 18 comprising a plurality of pumping stages, and a molecular drag pumping mechanism 20 comprising at least one pumping stage. Shaft 14 is supported for rotation by bearings 22. The motor 16 comprises a permanent magnet rotor 24 fixed relative to the shaft 14. The rotor 24 has four poles and a stator 26 has non-overlapping stator coils..

MULTIPLE PRIME POWER SOURCE LOCOMOTIVE CONTROL

The present invention is directed to a control strategy for operating a plurality of prune power sources (101-1 to 101-3) during propulsion, idling and braking and is applicable to large systems such as trucks, ships, cranes and locomotives utilizing diesel engines, gas turbine engines, other types of internal combustion engines, fuel cells or combinations of these that require substantial power and low emissions utilizing multiple power plant combinations The present invention is directed at a general control strategy for a multi- engine systems (101-1, 101-2) where the power systems need not be of the same type or power rating and may even use different fuels The invention is based on a common DC bus (103) electrical architecture so that prime power sources need not be synchronized ...

Pump assembly and controlling method

A pump assembly (1) includes a pump unit (2) capable of providing a desired head (H0) at zero flow rate, a brushless speed-controlled permanent-magnet AC drive motor (205) for driving the pump unit (2), and a control unit for controlling the drive motor (205). The control unit includes a frequency converter configured to receive an input voltage (Uin). The drive motor (205) is operable in a field-weakening mode and non-field-weakening mode. The drive motor (205) is undersized for driving the pump unit (2) at a design input voltage (U0) to provide a lower head (H) than the desired head (H0) at zero flow rate in the non-field-weakening mode and for driving the pump unit (2) to provide the desired head (H0) at zero flow rate in the field-weakening mode.

SOFT-STARTER AC-AC CONVERTER WITH INTEGRATED SOLID-STATE CIRCUIT BREAKER AND METHOD OF OPERATION THEREOF

An AC-AC power converter, such as a motor soft starter, includes an input connectable to an AC source with a disconnect switch, an output connectable to an AC load, and phase lines connecting the input and output to transmit power. In-line solid-state switching blocks are connected between line terminals and load terminals of the AC source and AC load, respectively, such that each phase line includes a solid-state switching block connected thereto. Free-wheeling solid-state switching blocks are connected to the load terminals at one end and together at a common connection at another end, such that each phase line includes a free-wheeling solid-state switching block connected thereto. Each of the in-line and free-wheeling solid-state switching blocks comprises a bi-directional switching block that selectively controls current and withstands voltage in both directions. The switching blocks also provide soft-starter functions, variable speed control, and integrated circuit breaker protection capability. 1. An AC-AC power converter comprising:an input connectable to line terminals of an AC source;an output connectable to load terminals of an AC load;one or more supply lines connecting the input and output to transmit power from the AC source to the AC load, each supply line corresponding to a phase in the AC load; anda plurality of in-line solid-state switching blocks connected between the line terminals and the load terminals, such that each supply line includes a respective one of the plurality of in-line solid-state switching blocks connected thereto; anda plurality of free-wheeling solid-state switching blocks connected to the load terminals at one end and together at a common connection at another end, such that each supply line includes a respective one of the plurality of free-wheeling solid-state switching blocks connected thereto;wherein each of the plurality of in-line solid-state switching blocks and each of the plurality of free-wheeling solid-state ...

Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems

An AC power controller system applies three-phase AC operating power to an induction motor that drives a non-linear mechanical load. A primary low pass filter is connected in series between branch phase conductors and a power controller of the type that uses gate-controlled switching thyristors for controlling power to the motor. KVAR capacitors connected between the power controller and the induction motor phase windings form a secondary low pass filter across the controller output terminals. The primary and secondary low pass filters isolate the power controller and induction motor with respect to spurious noise and harmonics generated by local as well as remote sources, and also improve real power transfer efficiency from the power generating source to the induction motor by transforming the effective impedance of the power source and induction motor load.

POWER OUTPUT DEVICE

This power output device is provided with: a field winding; a motor having a plurality of star-connected motor windings composed of three or more phases; a capacitor; an inverter circuit configured to perform power conversion on the power supplied from the capacitor and to supply the converted power to the motor windings; a battery connected to the field winding; and a control unit. The inverter circuit has a plurality of switching element pairs that correspond to the respective motor windings. The capacitor is connected to a positive bus bar and a negative bus bar. The field winding is connected to the positive or negative bus bar and to a neutral point of the motor. The control unit is configured to control the switching element pairs so as to charge the capacitor by boosting the voltage of the battery and to supply a direct current to the field winding.

SOLID STATE MOTOR DAMPING

A method includes determining whether a multiphase electric machine is unstable. The method also includes, in response to a determination that the multiphase electric machine is unstable, setting a gate voltage of a first three terminal semiconductor switch to zero. The method also includes, in response to a determination that the multiphase electric machine is stable, setting the gate voltage of the first three terminal semiconductor switch to nonzero. The method also includes, in response to the first three terminal semiconductor switch being set to zero, increasing electrical conduction from one phase of the multiphase electric machine to another phase of the multiphase electric machine. The method includes, in response to the first three terminal semiconductor switch being set to nonzero, increasing electrical resistance from the one phase of the multiphase electric machine to the another phase of the multiphase electric machine.

ELECTRIC POWER STEERING DEVICE

With an object of allowing steering wheel operation to be carried out easily at a normal time and when an abnormality occurs, the invention includes a motor having two windings and a control unit having two control systems that supply control signals to each winding of the motor, and when an abnormality occurs in one winding of the motor or in one system inside the control unit, a supply of current to the winding in which the abnormality has occurred is cut to zero, and the motor is driven by a predetermined current necessary at a normal time being supplied to the other winding, while at a time of a normal drive when no abnormality has occurred, the current supply is shared between the two windings, whereby the motor is driven.

Position-sensorless control method and device for long-cable drive permanent magnet motor

A position-sensorless control method and device for long-cable drive permanent magnet motors, including: adding a coupling circuit after boost transformers in the long-cable drive circuit of a permanent magnet motor; coupling three high frequency detection signals with different frequencies into a power supply cable and windings of the motor through three coupling transformers in the coupling circuit respectively; obtaining high frequency voltage components on primary windings of the coupling transformers by bandpass filters; obtaining the position signals according to relations among effective values of the high frequency voltage components; and finally realizing the position-sensorless control of the motor by a controller according to the obtained position signals.

Circuit for shifting fixed ground level to floating ground level in motor drive system

Disclosed is a circuit for shifting a fixed ground level to a floating ground level in a motor drive system, including a floating ground high level line, a floating ground output level line, a floating ground low level line, a normal input level line, and a normal ground line that are used for characterizing an application detail. The circuit includes a controlled switching current source, a first upper current rectifier, a second upper current rectifier, a lower current rectifier, and an amplifying and shaping circuit that are integrated on a same substrate.

ПРЕОБРАЗОВАТЕЛЬ, ЭЛЕКТРИЧЕСКАЯ МНОГОФАЗНАЯ СИСТЕМА И СПОСОБ, В КОТОРОМ ИХ ПРИМЕНЯЮТ

Изобретение относится к области электротехники и может быть использовано в электрической многофазной системе для ее управления. Техническим результатом является обеспечение соответствующей регулируемой разности напряжений между двумя фазными выводами электрической машины. Преобразователь и электрическая многофазная система содержат электрическую машину, которая снабжена несколькими обмотками, имеющими первый вывод и второй вывод, при этом предусмотрен по меньшей мере один узел, к которому электрически подключен один из двух выводов соответствующей обмотки из нескольких обмоток, и соответствующий другой вывод соответствующей обмотки из нескольких обмоток электрически подключен к фазному выводу и к многоуровневому модульному преобразователю, который содержит несколько отдельных модулей, которые подключены последовательно, чтобы сформировать кольцо. По меньшей мере один отвод может быть расположен между двумя соответствующими соседними отдельными модулями и обеспечивает фазный вывод, к которому электрически подключен первый вывод или второй вывод обмотки из нескольких обмоток электрической машины, при этом число отводов многоуровневого модульного преобразователя точно соответствует числу обмоток из нескольких обмоток электрической машины. Каждый отдельный модуль многоуровневого модульного преобразователя имеет накопитель энергии и несколько переключающих элементов, которые обеспечивают подключение накопителей энергии соседних отдельных модулей, в результате чего между двумя соседними фазными выводами может быть обеспечена разность напряжений, которая регулируется блоком управления в соответствии с профилем многофазного вращающегося поля. 2 н. и 10 з.п. ф-лы, 6 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 670 195 C2 (51) МПК H02M 7/483 (2007.01) H02P 27/06 (2006.01) H02P 27/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H02M 7/483 (2006.01); H02P 27/06 (2006.01); H02P 27/08 (2006.01) (21)(22) Заявка: ...

КОНТРОЛЛЕР СИНХРОННОГО ДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА С РАЗДЕЛЕННОЙ ФАЗОЙ

FIELD: electrical engineering. SUBSTANCE: invention relates to electrical engineering, namely to synchronous engine controllers with separated phases and rotor position sensors, containing at least one power switch with a control device and DC power supply in the middle point of the separated phase windings of the engine, equipped with a component of uninterrupted power supply. Uninterrupted DC power supply component contains at least one outlet from the separated phase windings of the engine and prevents losses of power supply, when at least one power switch is switched and is in the conducting state. EFFECT: technical result consists in the improvement of efficiency and manufacturability. 53 cl, 24 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 614 531 C2 (51) МПК H02P 27/00 (2006.01) H02P 23/00 (2006.01) G05F 1/00 (2006.01) H02K 29/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2015122626, 14.11.2013 (24) Дата начала отсчета срока действия патента: 14.11.2013 (72) Автор(ы): ФЛИНН Чарльз Дж. (US), ТРЭЙСИ Купер Н. (US) (73) Патентообладатель(и): КьюЭм ПАУЭР, ИНК. (US) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: US 2011018480 A1, 27.01.2011. US Приоритет(ы): (30) Конвенционный приоритет: 14.11.2012 US 61/726,550 (45) Опубликовано: 28.03.2017 Бюл. № 10 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.06.2015 (86) Заявка PCT: US 2013/070208 (14.11.2013) (87) Публикация заявки PCT: 2 6 1 4 5 3 1 (43) Дата публикации заявки: 10.01.2017 Бюл. № 1 6563720 B2, 13.05.2003. US 5375053 A, 20.12.1994. RU 2439774 C1, 10.01.2012. SU 1617554 A1, 30.12.1990. R U 28.03.2017 2 6 1 4 5 3 1 R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) КОНТРОЛЛЕР СИНХРОННОГО ДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА С РАЗДЕЛЕННОЙ ФАЗОЙ (57) Формула изобретения 1. Схема для двигателя, содержащая: разделенные ...

СПОСОБ УПРАВЛЕНИЯ ЭЛЕКТРО-ДИФФЕРЕНЦИАЛАМИ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к области электротехники и может применяться для управления электро-дифференциалами на основе электрических синхронных двигателей. Технический результат – повышение удельных энергетических характеристик электропривода транспортного средства. Способ управления активными электро-дифференциалами транспортного средства основан на изменении и дискретном управлении величиной мощности и движущего момента ротора в каждом мотор-колесе, которое осуществляют изменением электромагнитного режима линейных синхронных двигателей, расположенных в плоскости каждого мотор-колеса, перераспределением сигналов управления, подаваемых на группы индукторов линейных синхронных двигателей мотор-колес и переключением режимов электро-дифференциалов. Формирование угловых характеристик линейных синхронных двигателей, программное управление и регулирование электромагнитных активных режимов в индукторах осуществляют с помощью быстродействующих электронных ключей, а изменение активных режимов электро-дифференциалов ...

СПОСОБ И УСТРОЙСТВО УПРАВЛЕНИЯ БЕЗ ДАТЧИКА ПОЛОЖЕНИЯ ДЛЯ ДВИГАТЕЛЯ С ПОСТОЯННЫМИ МАГНИТАМИ С ПРИВЕДЕНИЕМ В ДЕЙСТВИЕ ПОСРЕДСТВОМ ДЛИННОГО КАБЕЛЯ

FIELD: electrical equipment. SUBSTANCE: invention relates to the electrical equipment. Control method without position sensor for motor with permanent magnets with actuation by means of long cable is based on addition of communication circuit after step-up transformer in actuation circuit by means of long motor cable with constant magnets. In implementing the disclosed method, transmitting three high-frequency detection signals with different frequencies to a power cable and motor winding by means of three communication transformers in communication circuit respectively, obtaining high-frequency voltage components on primary windings of communication transformers by band-pass filters, obtaining position signals according to ratios between effective values of high-frequency voltage components and, finally, implementation of engine control without position sensor by means of controller in accordance with received position signals. EFFECT: technical result is wider range of controlling engine speed and high accuracy of determining position. 8 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 734 652 C1 (51) МПК H02P 6/16 (2006.01) H02P 6/18 (2006.01) H02P 25/16 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H02P 6/16 (2020.02); H02P 6/18 (2020.02); H02P 25/16 (2020.02) (21)(22) Заявка: 2019142705, 20.12.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 21.10.2020 12.03.2019 CN 201910185772X (45) Опубликовано: 21.10.2020 Бюл. № 30 2 7 3 4 6 5 2 R U (54) СПОСОБ И УСТРОЙСТВО УПРАВЛЕНИЯ БЕЗ ДАТЧИКА ПОЛОЖЕНИЯ ДЛЯ ДВИГАТЕЛЯ С ПОСТОЯННЫМИ МАГНИТАМИ С ПРИВЕДЕНИЕМ В ДЕЙСТВИЕ ПОСРЕДСТВОМ ДЛИННОГО КАБЕЛЯ (57) Реферат: Изобретение относится к области кабель питания и обмотки двигателя посредством электротехники. Технический результат трех трансформаторов связи в цепи связи расширение диапазона регулирования скорости соответственно, получение высокочастотных двигателя и повышение точности ...

КОНТРОЛЛЕР СИНХРОННОГО ДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА С РАЗДЕЛЕННЫМИ ФАЗАМИ

FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used to control synchronous AC motors. Phase winding circuit for the motor includes at least two phase windings forming one half of phase windings of the circuit motor, and at least two other phase windings which form the other half of the phase windings of the circuit motor. DC power supply unit is located at least approximately at the midpoint of the motor phase windings for receiving AC power transferred from one or more phase windings and converting AC energy to DC energy. Power switch circuit of the first cascade comprises at least one power switch outside the DC power supply and is electrically connected at least approximately at mid point between phase windings on each half of the circuit. Power switch circuit of the second cascade comprises at least one other power switch outside the DC power supply and is electrically connected at least approximately at the midpoint of the separated phase windings for receiving AC power from the separated phase windings of the motor. Non-collapsing component of the DC power supply unit prevents the DC supply unit from collapsing when at least one power switch or at least one other power switch is switched on and conducts electric current.EFFECT: technical result is higher efficiency.45 cl, 36 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 689 133 C2 (51) МПК H02P 6/06 (2006.01) H02P 6/16 (2006.01) H02P 6/17 (2016.01) H02P 6/20 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H02P 6/06 (2019.02); H02P 6/16 (2019.02); H02P 6/17 (2019.02); H02P 6/20 (2019.02) (21)(22) Заявка: 2017107175, 07.08.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): КьюЭм ПАУЭР, ИНК. (US) 24.05.2019 (56) Список документов, цитированных в отчете о поиске: RU 2178944 C2, 27.01.2002. SU 08.08.2014 US 62/034,909 (43) Дата публикации заявки: 10.09.2018 Бюл. ...

MOTOR UND ELEKTRISCHE SERVOLENKUNG

Ein Motor gemäß der Ausführungsform weist auf: Spulengruppen von n Phasen (n ist eine ganze Zahl von drei oder mehr), einen ersten Wechselrichter, der mit den einen Enden der Spulengruppen von n Phasen verbunden ist, einen zweiten Wechselrichter, der mit den anderen Enden der Spulengruppen von n Phasen verbunden ist, einen Stator, um den die Spulengruppen von n Phasen gewickelt sind, und einen Rotor, der sich relativ zum Stator drehen kann. Wenigstens eine Spulengruppe der Spulengruppen von n Phasen weist auf: eine erste Unterspulengruppe, aufweisend eine erste Spule und eine zweite Spule, die in Reihe geschaltet sind, und eine zweite Unterspulengruppe, aufweisend eine dritte Spule und eine vierte Spule, die in Reihe geschaltet sind. Die erste Unterspulengruppe und die zweite Unterspulengruppe sind parallel geschaltet.

STEUERUNG EINER LICHTMASCHINE MIT VORBAUNEBENAGGREGATANTRIEB

Es wird eine Steuerung einer Lichtmaschine/eines Starters zur Bereitstellung von elektrischer Leistung für ein Fahrzeug und zum Drehen einer Kraftmaschine offenbart. In einem Beispiel stellt die Lichtmaschine/der Starter einen Differenzialvorgang bereit, durch den Drehmoment auf einer Eingangsseite der Lichtmaschine aufrechterhalten werden kann, während eine Drehzahl auf einer Ausgangsseite die Lichtmaschine variiert werden kann. Die Lichtmaschine/der Starter enthält zwei Ankerwicklungen und zwei Feldwicklungen.

Electric motor and electric generator.

Vehicle based ac power system

OUTER ROTOR TYPE MULTIPOLAR GENERATOR

Present invention prevents connection terminals for connecting stator windings to external conductive wires from densely concentrating on a bobbin. A multipolar generator includes a stator core 10 on which salient poles 11 of integral multiples of "3" are provided, and main windings 17 wound around the salient poles 11. Auxiliary machine windings 18 to 20 in place of the main winding 17 are wound around at least one of three salient poles 11 provided at intervals of integral multiples of "3" from the salient poles 11 of both ends of six continuous salient poles 11 around which the winding start and winding finish of the main winding 17 are wound. The auxiliary windings are arranged each other at intervals of integral multiples of "3". When the number of the auxiliary windings is 2 or less, the salient pole 11 around which the other auxiliary winding should be wound, is empty.

HYBRID ALTERNATOR WITH VOLTAGE REGULATOR

A hybrid alternator includes a stator (10) and a rotor (20), with the rotor (20) having longitudinal separate wound field (24) and permanent magnet (38) rotor portions. A rotor excitation circuit applies a forward polarity to the wound field rotor portion (24) to increase output in a boosting mode at low RPMs and a reverse polarity to decrease output at high RPMs in a bucking mode to maintain a constant voltage output. Alternative embodiments combine a magnetic flux concentrating design for efficient low speed operation with integral strength for high speed capability. Dual voltage output is provided using only one stator winding. A three state voltage regulator allows voltage regulation without inducing reverse currents onto the power bus in the lightly loaded or no battery conditions. The regulator has automatic interlocking to automatically turn on and off without risk.

ENGINE AND CONTROL CIRCUIT DRIVE WITH IMPROVED EFFICIENCY

Modular motor drive communication system

ELECTRIC DEVICE Of DRIVE Of MECHANICAL EQUIPMENT AND PROCESS ASSOCIATES

La présente invention concerne un dispositif électrique d'entrainement d'un équipement mécanique comportant un moteur à courant alternatif et un onduleur, ledit onduleur comprenant, pour chaque phase dudit moteur, une structure de pont en H comportant quatre éléments de commutation répartis sur deux bras reliant deux bornes de ladite structure de pont en H et destinée à alimenter le bobinage de ladite au moins une phase du moteur, ledit bobinage étant un bobinage à point milieu et ledit dispositif électrique étant caractérisé en ce qu'il comprend également, pour chaque phase dudit moteur, un super-condensateur relié d'une part au point milieu du bobinage de la phase concernée du moteur et d'autre part à une borne de la structure de pont en H alimentant ledit bobinage. The present invention relates to an electrical device for driving a mechanical equipment comprising an AC motor and an inverter, said inverter comprising, for each phase of said motor, an H-bridge structure comprising four switching elements distributed over two arms. connecting two terminals of said H-bridge structure and intended to supply the winding of said at least one phase of the motor, said winding being a center-point winding and said electric device being characterized in that it also comprises, for each phase said motor, a super-capacitor connected on the one hand to the midpoint of the winding of the relevant phase of the motor and on the other hand to a terminal of the H-bridge structure supplying said winding.

HIGH-EFFICIENCY, VARIABLE-SPEED PERMANENT MAGNET MOTOR AND CONTROL SYSTEM

A high-efficiency motor is disclosed. The motor includes two sets of permanent magnets and further includes electromagnets incorporated to be energized by a control system to provide a variable-speed motor that produces high torque.

Asynchronous AC induction electrical machines in cross-interlockingly parallel connection

At least two asynchronous AC induction electrical machines in parallel connection with the power source respectively include a main winding and control winding for operating the electrical machines, wherein the individually load driving operations of the two electrical machines in cross-interlocked parallel connection with the power source respond to changes in individual electrical machine loading statuses to provide variable impedance operation so as to change the end voltage ratio between the individual electrical machines.

LOW-LOSS MODULAR MULTILEVEL CONVERTER

The invention relates to a converter which comprises a plurality of controllable two-pole submodules connected in series. At least some of the aforementioned sub-modules each comprises a first and a second sub-module connection, a first, a second, a third and a fourth controllable switch, and a storage dipole, which comprises a first and a second dipole connection, an energy store and a controllable switching device, wherein the controllable switching device has a first selectable switching state, in which the storage dipole outputs no energy, irrespective of the voltage which is applied between the first and the second storage dipole connection, and a second selectable switching state, in which the store of the storage dipole can take up or discharge energy. The sub-module as a whole has a selectable conduction state, in which the controllable switching device of the storage dipole assumes the aforementioned first switching state and the first to fourth switches are switched such that a current flows through the sub-module on two parallel branches. 125-. (canceled)26. A converter , comprising a plurality of controllable two-pole submodules connected in series ,wherein at least some of the said submodules each comprise the following:a first and a second submodule terminal,a first, a second, a third and a fourth controllable switch, anda first storage two-pole, which comprises a first and a second two-pole terminal, an energy store and a controllable switching device, wherein the controllable switching devicehas a first activatable switching state, in which the first storage two-pole delivers no energy irrespective of a voltage applied between the first and the second terminal of said storage two-pole, anda second activatable switching state, in which the store of the first storage two-pole can absorb or deliver energy,wherein the submodule as a whole has an activatable transmission state, in whichthe controllable switching device of the first storage two-pole ...

Outer rotor type multipolar generator

Present invention prevents connection terminals (15) for connecting stator windings (12) to external conductive wires from densely concentrating on a bobbin (9). A multipolar generator includes a stator core (10) on which salient poles (11) of integral multiples of "3" are provided, and main windings (17) wound around the salient poles (11). Auxiliary machine windings (18 to 20) in place of the main winding (17) are wound around at least one of three salient poles (11) provided at intervals of integral multiples of "3" from the salient poles (11) of both ends of six continuous salient poles (11) around which the winding start and winding finish of the main winding (17) are wound. The auxiliary windings (18 to 20) are arranged each other at intervals of integral multiples of "3". When the number of the auxiliary windings is 2 or less, the salient pole (11) around which the other auxiliary winding should be wound, is empty.

FUEL CELL SYSTEM AND AIR VEHICLE

To provide a fuel cell system configured to charge a battery with maintaining the independence and redundancy of a fuel cell and a battery as power sources. A fuel cell system for air vehicles, wherein the fuel cell system comprises a fuel cell, a battery, a motor and a controller; wherein the fuel cell and the battery are connected to the motor as independent power sources, and the motor includes a double three-phase winding that uses a double inverter; and wherein, when normal output is requested from the motor, the controller operates the motor by a predetermined first output from the fuel cell, and the controller charges the battery by a torque generated in the motor.

УСТРОЙСТВО ДЛЯ ЭНЕРГОПИТАНИЯ ДЛИННОЙ СТАТОРНОЙ ОБМОТКИ С НЕСКОЛЬКИМИ СЕКЦИЯМИ ОБМОТКИ

... 1. Устройство для энергопитания имеющей несколько сегментов (2) обмотки длинной статорной обмотки (1) с источником энергии, шиной (6) питания, связанной с источником энергии, коммутаторами (3) секций, которые связаны с шиной (6) питания и которые, соответственно, имеют вывод для соединения с соответствующей секцией обмотки, отличающееся средством для компенсации реактивной мощности, которое выполнено с возможностью установки импеданса устройства. ! 2. Устройство по п.1, отличающееся тем, что средство для компенсации реактивной мощности имеет блок (12) управления, который выполнен с возможностью размыкания или замыкания по меньшей мере некоторых из коммутаторов (3) сегментов. ! 3. Устройство по п.2, отличающееся тем, что блок (12) управления соединен с измерительными датчиками, вырабатывающими сигналы измерений, и имеет внутреннюю регулирующую логику, которая выполнена с возможностью размыкания и замыкания связанных с блоком (12) управления коммутаторов (3) сегментов в зависимости от установочных ...

Electric motor and electric generator.

Motor equipped with power converter, and air conditioner, water heater and ventilation blower equipment equipped with this motor

Provided is a motor (61) equipped with a power converter (60) that has a printed circuit board (1) on which is mounted a semiconductor module (inverter (IC2)) that converts an external power supply voltage to a high frequency voltage and supplies the same to a stator (3). The circuit board is provided with a high-voltage circuit ground (GP) that is a power ground for a high-voltage main circuit system of the inverter (IC2) and a low-voltage circuit ground (GS) that is a ground for a control circuit system that is a low-voltage circuit of the semiconductor module, and the circuit board is connected at a single point to the high-voltage circuit ground and the low-voltage circuit ground via a resistor (Rg).

Fault-tolerant electrical drive

Electric propulsion system for delivring high torque

HYBRID ALTERNATOR WITH VOLTAGE REGULATOR

DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER

A circuit for a motor includes two phase windings forming one half of motor phase windings and two other phase windings forming another half of the motor phase windings. A DC power supply is located at a midpoint of the motor phase windings to receive AC power transferred from the phase windings and convert it to DC power. A first stage power switch circuit comprises a power switch outside of the DC power supply and is electrically connected at a midpoint between phase windings on each half of the circuit. A second stage power switch circuit comprises one other power switch and is electrically connected at the midpoint of the divided phase windings to receive AC power from the motor divided phase windings. A non-collapsing DC power supply component prevents the DC power supply from collapsing when either one of the power switches is on and conducting.

OUTER ROTOR TYPE MULTIPOLAR GENERATOR

Present invention prevents connection terminals for connecting stator windings to external conductive wires from densely concentrating on a bobbin. A multipolar generator includes a stator core 10 on which salient poles 11 of integral multiples of "3" are provided, and main windings 17 wound around the salient poles 11. Auxiliary machine windings 18 to 20 in place of the main winding 17 are wound around at least one of three salient poles 11 provided at intervals of integral multiples of "3" from the salient poles 11 of both ends of six continuous salient poles 11 around which the winding start and winding finish of the main winding 17 are wound. The auxiliary windings are arranged each other at intervals of integral multiples of "3". When the number of the auxiliary windings is 2 or less, the salient pole 11 around which the other auxiliary winding should be wound, is empty.

SYSTEM OF ELECTRICAL POWER HAS FIXED FREQUENCY HAS COUPLER HAS INDUCTION AND USE OF THIS ONE IN AN AIRCRAFT

TURBINE OF WIND SPURT

RESONANT MOTOR SYSTEM

Dans un système de moteur résonant, un moteur électrique (10) possédant un stator (14) avec un ou plusieurs enroulements, un rotor (12) qui peut ou non être enroulé, et un entrefer (16) entre le stator (14) et le rotor (12) pour stocker de l'énergie magnétique de façon que le moteur (10) montre une inductance électrique définie déployée avec une combinaison d'excitation comprenant une capacité connectée en série avec l'inductance du moteur (10) pour former avec celle-ci un circuit LCR. L'approvisionnement progressif de courant CC vers le circuit LCR provoque l'oscillation de ce circuit, ce qui excite le moteur (10). Le courant CC est fourni en synchronisme avec la rotation du rotor (12) afin de maximiser le couple produit par le moteur (10).

Motor assembly

A motor assembly includes a motor, a housing that houses the motor, an inverter that is electrically connected to the motor, an inverter case that houses the inverter and is provided integrally with the housing, a wire harness electrically connected between a connector of the inverter case and a connector of the housing, a cooling water hose connecting between a hose nipple of the inverter case and a hose nipple of the housing, and a retainer to fix the wire harness and the cooling water hose in a bundled state to the housing. The housing includes an axle connecting portion to which an axle of a vehicle is connected, and the wire harness is farther away from the axle than the cooling water hose at a position facing the axle.

OFF-GRID POWER GENERATING APPARATUS AND FREQUENCY AND VOLTAGE CONTROL METHOD THEREOF

A power generating apparatus is provided. The alternator includes a rotor, a stator, one or more sensors and an electrical circuit. The rotor includes a plurality of symmetric phase windings while the stator has a single phase winding. The excitation control device is configured to control the induced voltage generated in stator by regulating the rotating magnetic field generated in the phase windings of the rotor. The excitation control device is also configured to regulate the engine speed responsive to calculated load power. The electrical circuit connecting the single phase winding of the stator and the load is configured in a way that the induced voltage generated in the single phase winding and the output voltage applied to the load are at the same frequency. This arrangement reduces costs of the apparatus.

CONTROLLER FOR MOTOR

A controller for a motor includes a first processing circuit and a second processing circuit configured to communicate with each other. The first processing circuit is configured to execute a first operation amount calculation process, an operation process, and an output process. The first operation amount calculation process is a process of calculating a first operation amount. The output process is a process of outputting the first operation amount to the second processing circuit. The second processing circuit is configured to execute a second operation amount calculation process, a first use operation process, a second use operation process, and an elimination process.

Pre-Charging An Inverter Using An Auxiliary Winding

A transformer module includes a main primary winding coupled to a first input power source to receive a medium voltage signal, multiple main secondary windings each to couple to a power cell of a drive system, and an auxiliary primary winding coupled to a second input power source to receive a low voltage signal. The auxiliary primary winding can be spatially separated from the main windings to increase leakage inductance. The auxiliary primary winding can be active during a pre-charge operation to pre-charge the power cells.

Inverter drive system having changeable configurations

Systems and methods are provided for dynamically changing configurations of multi-inverter drive systems. By changing configurations during operation, a multi-inverter system of the present invention can provide greater than half of full output power during failure of a power cell and can provide efficient braking torque during regeneration. The inverter drive system includes a plurality of single pole inverter cells and a configuration switch system connecting the single pole inverter cells in a star configuration and for changing the connection configuration of the single pole inverter cells. In one embodiment, the configuration switch system is adapted to dynamically change the star configuration of the inverter system to a mesh configuration during operation of the load. In another embodiment, the configuration switch system is adapted to dynamically change the star configuration of the single pole inverter cells to form a polyphase inverter.

Unstetige Pulsbreitenmodulation für ein doppelseitiges Wechselrichtersystem

Verfahren zum Steuern eines doppelseitigen Wechselrichtersystems mit einem ersten Wechselrichter und einem zweiten Wechselrichter, wobei der zweite Wechselrichter einen ersten Schenkel, der einem ersten Phasenstrom zugeordnet ist, einen zweiten Schenkel, der einem zweiten Phasenstrom zugeordnet ist, und einen dritten Schenkel, der einem dritten Phasenstrom zugeordnet ist, aufweist, wenn der erste Phasenstrom größer als der zweite Phasenstrom und der dritte Phasenstrom ist, wobei das Verfahren umfasst, dass:wenn der erste Phasenstrom größer als ein Sollstrom des zweiten Wechselrichters ist:der erste Schenkel mit einem ersten Tastverhältnis moduliert wird; undder zweite Schenkel und der dritte Schenkel an eine negative Spannungsschiene des zweiten Wechselrichters geklemmt werden; undwenn der erste Phasenstrom kleiner als der Sollstrom des zweiten Wechselrichters ist:der erste Schenkel an eine positive Spannungsschiene des zweiten Wechselrichters geklemmt wird; undwenn der zweite Phasenstrom ...

Electric machine having controller for each coil set

An electric machine 40 (motor or generator) comprises a stator having a plurality of coil sets 60, where each coil set has a plurality of coil sub-sets 61, 62, 63, and a plurality of control devices 64, one associated with each coil set. The control devices are mounted adjacent to the stator. In the case of a motor, the controllers control current in the respective plurality of coil sub-sets such that each coil sub-set has a substantially different magnetic phase. In the generator, the controllers generate a varying voltage from the induced current such that each coil sub-set has a substantially different voltage phase. The arrangement is particularly suitable for an in wheel electric machine. Each coil set may include three coil sub-sets. The voltage in the coils may be controlled using pulse-width modulation.

Electric motor and electric generator

A control system for an electric motor

Reluctance motors

Device for coupling an asynchronous motor with an electrical power cable, asynchronous motor and method for coupling an asynchronous motor with an electrical

Cycloconverter power control system

INVERTER DRIVE SYSTEM

Systems and methods are provided for dynamically changing configurations of multi-inverter drive systems. By changing configurations during operation, a multi-inverter system of the present invention can provide greater than half of full output power during failure of a power cell and can provide efficient braking torque during regeneration. The inverter drive system includes a plurality of single pole inverter cells and a configuration switch system connecting the single pole inverter cells in a star configuration and for changing the connection configuration of the single pole inverter cells. In one embodiment, the configuration switch system is adapted to dynamically change the star configuration of the inverter system to a mesh configuration during operation of the load. In another embodiment, the configuration switch system is adapted to dynamically change the star configuration of the single pole inverter cells to form a polyphase inverter.

VARIABLE VOLTAGE SUPPLY SYSTEM

Apparatus for controlling the voltage supplied to a load, comprising: a m ulti-phase transformer having a primary and a secondary winding for each pha se, each secondary being connected in series between an input line and an ou tput directed to the load; and the primary is configurable by switches such that the phase of the voltage of the secondary is different from the line to which it is connected by a phase different from 0 and 180 degrees.

MULTIPLE PRIME POWER SOURCE LOCOMOTIVE CONTROL

The present invention is directed to a control strategy for operating a plurality of prime power sources during propulsion, idling and braking and is applicable to lar ge systems such as trucks, ships, cranes and locomotives utilizing diesel engines, gas turbine engines, other types of internal combustion engines, fuel cells or combinations of these that require substantial power and low emissions utilizing multiple power plant combinations. The present invention is directed at a general control strategy for a multi-engi ne systems where the power systems need not be of the same type or power rating and may even use different fuels. The invention is based on a common DC bus electrical architecture so that prime power sources need not be synchronized.

MOTOR CONTROLLER FOR AUTOMATICALLY CONFIGURING PLURAL TYPES OF INTERFACES

A motor controller for automatically configuring plural types of interfaces comprises a mother circuit board and a daughter circuit board. The daughter circuit board is inserted in the mother circuit board to form an electrical connection. A power supply circuit, a microprocessor unit of the mother circuit board, a rotor-position detecting unit, a power inverting unit and an analog quantity detecting unit are arranged on the mother circuit board. A signal interface circuit is arranged on the daughter circuit board. The power supply circuit supplies power to each circuit. The analog quantity detecting unit and the rotor-position detecting unit input detected signals to the microprocessor unit of the mother circuit board. The microprocessor unit of the mother circuit board sends control signals to the power inverting unit. The microprocessor unit of the mother circuit board establishes communication with outside through the signal interface circuit. The signal interface circuit comprises ...

Electrical tool

本发明公开了一种电动工具，包括：交流电源模块，用于接入交流电；无刷电机，可驱动地连接至输出轴向所述输出轴施加旋转力；整流模块，接收来自交流电的交流电并将所述交流电转化为直流电；驱动电路，与所述无刷电机电性连接，用于驱动所述无刷电机；控制器，与所述驱动电路电连接，用于输出控制信号至所述驱动电路以使所述驱动电路驱动所述无刷电机；电容，连接在所述整流模块和所述驱动电路之间；所述电容的电容值与所述无刷电机的额定功率之比的取值范围为20uF/KW~80 uF/KW。该电动工具能够接入交流电源，输出性能稳定。

Rotating electric machine and drive system thereof

The invention relates to a rotating electric machine and a drive system thereof, aims to avoid the increasing of slot number and realizes large capacity, miniaturization and low inertia. In a rotating electric machine, each phase of a plurality of three-phase windings is divided into a plurality of partial windings, disposed on a stator core. For example, the partial windings of the U-phase are distributively arranged on four U-phase winding areas 2U1 to 2U4, and on each of these winding areas, two partial windings overlap through a pair of slots between which two teeth are interposed. At each coincident location of a pair of slots, two partial windings of different three-phase windings overlap. For example, a pair of slots on the U-phase winding area 2U1, a partial winding UA1 of a U-phase winding UA and a partial winding UB3 of a U-phase winding UB overlap. At a pair of slots on the U-phase winding area 2U1, a partial winding UG2 of a U-phase winding UG and a partial winding UB2 of a ...

GENERATORS

The present invention relates to an ac generator (DOG1) comprising a plurality of galvanically-isolated multi-phase stator windings (sometimes called poly-phase stator windings). Each stator winding has a plurality of coils and is connected to an independent load such as the power distribution network (MVAC1, LVAC1) of a marine power distribution and propulsion system, for example. A number of galvanically-isolated power distribution islands having different frequencies and voltages may therefore be derived from a single generator.

EMERGENCY ADJUSTING DEVICE FOR BLADE ADJUSTING SYSTEMS OF WIND POWER PLANTS

The invention relates to an adjusting device (1) for rotor blades of a wind power plant, wherein an AC motor (3) is provided for adjusting the angle setting of the rotor blades. An input (23) serves for receiving an input alternating current (11). A frequency converter (2) is provided for generating a second alternating current (12) having a second frequency, wherein the second alternating current drives the AC motor (3). Additionally, a DC voltage source (4) and an inverter (5) are provided for converting the voltage provided by the DC voltage source (4) into an alternating current (13) for the AC motor (3). The inverter (5) is thereby separated from the frequency inverter (2).

Fixed frequency electrical generation system with induction coupler and use thereof in an aircraft

The invention relates to a fixed frequency electrical generation system with an induction coupler comprising: an electricity generator with no rings or brushes, an induction speed regulator, mechanically coupled, so as to transform mechanical energy input from a first shaft rotating at a variable speed into output electricity in the form of at least one alternating voltage (15) with a constant rms value and constant frequency.

СИСТЕМА ЗВЕЗДООБРАЗНОГО МНОГОФАЗНОГО ЧАСТОТНО-РЕГУЛИРУЕМОГО ПРИВОДА С ПРЕОБРАЗОВАНИЕМ ВЫСОКОГО НАПРЯЖЕНИЯ В НИЗКОЕ

Изобретение относится к области электротехники и может быть использовано для управления приводом на базе высоковольтных двигателей большой мощности. Техническим результатом является обеспечение высоких значений напряжения и силы тока, упрощение, снижение требований к изоляции, улучшение способности двигателя рассеивать тепло и увеличение удельной мощности. Система звездообразного многофазного частотно-регулируемого привода с преобразованием высокого напряжения в низкое содержит фазосдвигающий трансформатор, выпрямляющие схемы, схемы инверторов, многофазный двигатель и схему управления, соединенную с фазосдвигающим трансформатором, выпрямляющими схемами, схемами инверторов и многофазным двигателем. Первичные обмотки фазосдвигающего трансформатора соединены с источником переменного тока, а вторичные обмотки фазосдвигающего трансформатора соединены с выпрямляющими схемами. Количество вторичных обмоток равно количеству выпрямляющих схем, одна вторичная обмотка соединена с одной выпрямляющей схемой. Все выпрямляющие схемы имеют общую линию заземления для формирования источника постоянного тока с общей линией заземления. Выходные концы выпрямляющих схем соединены со схемами инверторов. 7 з.п. ф-лы, 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 687 479 C1 (51) МПК H02P 25/20 (2006.01) H02P 27/08 (2006.01) H02M 7/483 (2007.01) H02M 7/539 (2006.01) H02M 7/5395 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H02P 25/20 (2019.02); H02P 27/08 (2019.02); H02M 7/483 (2019.02); H02M 7/539 (2019.02); H02M 7/5395 (2019.02) (21) (22) Заявка: 2018114732, 22.02.2016 (24) Дата начала отсчета срока действия патента: Дата регистрации: 14.05.2019 Приоритет(ы): (30) Конвенционный приоритет: (56) Список документов, цитированных в отчете о поиске: RU 2289191 C1, 10.12.2006. RU 24.09.2015 CN 201510614440.0 2374751 C2, 27.06.2009. DE 19519424 A1, 28.11.1996. JP 2202324 A, 10.08.1990. US 6166513 A1, 26.12.2000. US 2014265972 A1, 18.09. ...

Vorrichtung zur Energieversorgung einer mehrere Wicklungsabschnitte aufweisenden Langstatorwicklung

Vorrichtung zur Energieversorgung einer mehrere Wicklungsabschnitte (2) aufweisenden Langstatorwicklung (1) mit einer Energiequelle, einer mit der Energiequelle verbundenen Versorgungsleitung (6), Abschnittsschaltern (3), die mit der Versorgungsleitung (6) verbunden sind und die jeweils einen Anschluss zur Verbindung mit jeweils einem Wicklungsabschnitt (2) aufweisen, Sternpunktschaltern (4) zum Verbinden des Wicklungsabschnittes (2) mit einem Sternpunkt (5) und Mittel zur Blindleistungskompensation, die zum Einstellen der Impedanz der Vorrichtung eingerichtet sind, dadurch gekennzeichnet, dass die Mittel zur Bildleistungskompensation eine Steuerungseinheit (12) aufweisen, die zum Öffnen oder Schließen von wenigstens einigen der Abschnittsschalter (3) eingerichtet ist, die Wicklungsabschnitten (2) mit geöffneten Sternpunktschaltern (4) zugeordnet sind.

A control system for an electric motor

A control system for an electric motor

A control system for an electric motor comprises a first control device 400 arranged to control an operation of a first component 410 of the electric motor and a second control device 400 arranged to control an operation of a second component 410 of the electric motor. The first control device is arranged to transmit to the second control device a first signal for indicating the transmission of data over a communication link 440 to the second control device, and the second control device is arranged to use the timing of the first signal to synchronise the operation of the second component with the operation of the first component. The first component may be a first inverter for controlling current flow in a first coil set 60 of the electric motor, and the second component may be a second inverter for controlling current flow in a second coil set 60 of the electric motor. The communication link may be a serial peripheral interface (SPI) bus.

Interleaved controllers

A motor, particularly a brushless motor, comprises a stator with a plurality of sub-windings, each having a plurality of phase connections 101-103, 104-106 for receiving phase voltages. Each of the sub windings is electrically insulated from each of the other sub windings. A rotor comprises a plurality of permanent magnets or energisable electromagnets. A controller comprises a plurality of control parts 601a, 601b each control part associated with a respective subwinding. each control. Each control part is configured to monitor phase voltages of the associated subwinding between phase connections, and to determine therefrom a commutation timing for the subwinding. The plurality of control parts may exchange data relating to their respective commutation timings and use this data to perform corrections. A controller for the motor may obtain a plurality of back electromotive force, EMF, readings for each of the respective subwindings and estimate an overall back EMF of the motor. A motor ...

Electric propulsion system for delivering high torque

A liquid-cooled system for converting electrical power to torque comprising: one or more motor controllers 150, and an electric motor assembly 125 with a shaft (126,fig.2). The controllers convert direct-current (DC) input power to variable, multiphase alternating-current (AC) output power. The motor has one or more stator modules each with a plurality of stator windings for receiving AC power from the motor controllers. Coolant fluid in a cooling system 140 flows through and in contact with the stator windings and through the motor controllers. The cooling system may contain one or more temperature or pressure sensors. The coolant liquid may act as a lubricant for the moving parts within the electric motor. If two or more controllers are present, one or more may be redundant. An integrated accessory gearbox, deriving power from the electric motor, may be used to power a coolant pump. The shaft may provide torque to an aircraft propulsor (1115, Fig.11) optionally a variable pitch propulsor ...

Electric propulsion system for delivering high torque

A system to convert electrical power to torque comprises one or more motor controllers 150 and an electric motor assembly 125. Each motor controller receives direct-current (DC) input power and converts it to multiphase alternating current (AC) output power. The electric motor assembly has a main shaft for supplying torque and receive input power as multiphase AC from the one or more motor controllers to rotate the main shaft. One or more electrical communication channels 135 extend between the electrical motor assembly and the motor controllers for transmitting motor data. The motor data comprises at least one of a motor data group consisting of: temperature of the electric motor assembly, revolutions per minute (RPM) of the main shaft, angular position of the main shaft. The motor controllers receive and monitor the motor data group received from the electric motor assembly and vary the multiphase AC power output accordingly. A cooling system for both the controllers and the motor assembly ...

Hybrid alternator with voltage regulator

Hybrid alternator with voltage regulator

BUS VOLTAGE LIMITER FOR CONVERTER APPARATUS WITH MULTIPLE DC BUSES

An apparatus includes a first DC bus, a second DC bus, a first converter circuit coupled to the first DC bus, and a second converter circuit coupled to the second DC bus. The apparatus further includes a limiter circuit coupled to the second DC bus, a first control circuit configured to sense a voltage on the first DC bus and to responsively control the first converter circuit to limit the voltage on the first DC bus, and a second control circuit configured to sense a voltage on the second DC bus and to responsively control the limiter circuit to limit the voltage on the second DC bus. The apparatus may include a modulation conversion circuit configured to provide a set of switch control signals to the converter circuits and implemented in a module that is also used to implement the second control circuit.

DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER

A circuit includes motor phase windings that are divided, a direct current (DC) power supply between the divided motor phase windings, a power switch circuit comprising at least one power switch isolated from the DC power supply, the power switch circuit being between the divided motor phase windings. The circuit also includes a first non-collapsing DC power supply component to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during a first portion of a cycle and a second non-collapsing DC power supply component to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during a second portion of the cycle.

A Power Controller System Using Converter and Method Thereof

ELECTRIC APPARATUS AND A RELATED METHOD THEREOF FOR DRIVING MACHINE EQUIPMENT WHILE REDUCING OPERATING COSTS

PURPOSE: An electric apparatus and a related method thereof are provided to reduce whole power consumption by partly operating a rechargeable battery with a super condenser. CONSTITUTION: An inverter(3) includes a H-shape bridge structure with four switching elements. The four switching elements are distributed in two branches. The branches connect the terminal of the H-shape bridge structure. A super condenser(7) is connected to the motor(5) of a phase through the middle point of winding in one side. The super condenser is connected to the terminal of the H-shape bridge structure in the other side. COPYRIGHT KIPO 2012 ...

DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER

A divided phase windings circuit includes divided phase windings, a power switch circuit comprising at least one power switch and direct current (DC) supply circuit at a midpoint of divided motor phase windings, and non-collapsing DC power supply component to prevent power supply from collapsing when at least one switch is on and conducting. The non-collapsing DC power supply component may include one or more tap from motor divided phase windings electrically connected to power supply, a secondary phase coil winding connected to power supply to power the power supply, one or more resistors and one or more Zener diodes between the divided phase windings and power switch circuit, and/or electrical component to create a voltage drop between motor divided phase windings and power switch circuit to prevent power supply from collapsing when at least one power switch in the power switch circuit is on and conducting.

Asynchronous AC induction electrical machines in cross-interlockingly series connection

At least two asynchronous AC induction electrical machines in series connection with the power source are respectively made with the main winding and control winding for operating the electrical machines, wherein the individually driven loading operations of the two electrical machines in cross-interlockingly series connection being series connected with the power source are led by the changes of individual electrical machine driving loading statuses to appear variable impedance operation so as to change the end voltage ratio between individual electrical machines in cross-interlockingly series connections.

ELECTRONIC BOARD, IN-VEHICLE ELECTRIC MOTOR AND ELECTRIC PUMP

An electronic board includes a board, and includes on the board: a power input part inputting power output from an in-vehicle power supply; a drive circuit driving a drive source; a controller controlling driving of the drive source performed by the drive circuit; and a drive command signal input part inputting a drive command signal transmitted from outside. The electronic board further includes on the board: a drive command signal detection circuit capable of detecting the drive command signal, and controlling whether to supply the power input to the power input part to the controller based on whether the drive command signal is detected.

ELECTRIC POWER STEERING APPARATUS

There are provided two sets of control units for driving an electric motor having two sets of independent windings; a power source is supplied through a single power-source connector; a conductive member connected with a terminal of the power-source connector branches into at least two portions in the vicinity of the power-source connector; two sets of power source relays, filters, and inverter circuits are arranged symmetrically with respect to the power-source connector.

Calibrated slip synchronous machine

A synchronous machine for connection to an electrical system may include a stator configured as a portion of the synchronous machine; a rotor configured as a portion of the synchronous machine being rotatable with respect to the stator; and a control circuit to control the rotor to allow the rotor to continuously slip with respect to the stator.

КОНТРОЛЛЕР СИНХРОННОГО ДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА С РАЗДЕЛЕННЫМИ ФАЗАМИ

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 107 175 A (51) МПК H02P 6/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017107175, 07.08.2015 (71) Заявитель(и): КьюЭм ПАУЭР, ИНК. (US) Приоритет(ы): (30) Конвенционный приоритет: 08.08.2014 US 62/034,909 25 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 09.03.2017 US 2015/044182 (07.08.2015) (87) Публикация заявки PCT: R U Адрес для переписки: 129090, Москва, ул. Большая Спасская, д. 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) КОНТРОЛЛЕР СИНХРОННОГО ДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА С РАЗДЕЛЕННЫМИ ФАЗАМИ (57) Формула изобретения 1. Схема, содержащая: по меньшей мере, две фазные обмотки, образующие одну половину фазных обмоток двигателя схемы и, по меньшей мере, две другие фазные обмотки, образующие другую половину фазных обмоток двигателя схемы; блок питания постоянного тока (DC), по меньшей мере, приблизительно в средней точке фазных обмоток двигателя для приема энергии переменного тока (AC), переносимой из одной или более из фазных обмоток двигателя, и преобразования энергии AC в энергию DC; схему силового переключателя первого каскада, содержащую, по меньшей мере, один силовой переключатель вне блока питания DC и электрически соединенную между, по меньшей мере, двумя фазными обмотками на одной половине фазных обмоток двигателя схемы и между, по меньшей мере, двумя другими фазными обмотками на другой половине фазных обмоток двигателя схемы; схему силового переключателя второго каскада, содержащую, по меньшей мере, один другой силовой переключатель вне блока питания DC и электрически соединенную, по меньшей мере, приблизительно в средней точке фазных обмоток двигателя для приема энергии AC от фазных обмоток двигателя; и Стр.: 1 A 2 0 1 7 1 0 7 1 7 5 A WO 2016/022904 (11.02.2016) 2 0 1 7 1 0 7 1 7 5 (86) Заявка PCT: R U (43) Дата публикации заявки: 10.09.2018 Бюл. № (72) Автор(ы): ФЛИНН Чарльз Дж. (US), ТРЭЙСИ Купер Н. (US), ...

КОНТРОЛЛЕР СИНХРОННОГО ДВИГАТЕЛЯ ПЕРЕМЕННОГО ТОКА С РАЗДЕЛЕННОЙ ФАЗОЙ

Motortreiberschaltung, Anwendungsgerät diese umfassend und Bremsverfahren für einen Motor

Die Erfindung betrifft eine Treiberschaltung, ein Anwendungsgerät und ein Motorbremsverfahren. Die Treiberschaltung umfasst einen Inverter (110), eine Bremsschaltung (140) und eine MCU (170). Der Inverter (110) ist für den Antrieb eines Motors (120) konfiguriert. Die Bremsschaltung (140) umfasst eine Abtastschaltung (140), eine Entladeschaltung (150) und eine Schaltergruppe (160). Die MCU (170) ist mit der Abtastschaltung (140), der Entladeschaltung (150) und der Schaltergruppe (160) verbunden und konfiguriert für die Steuerung der Abtastschaltung (140) zum Detektieren einer Spannung über dem Inverter (110), um einen erfassten Wert zu erhalten, wenn das Notfallsignal empfangen wird, und für den Vergleich des erfassten Werts mit einer voreingestellten Spannung oder eine voreingestellten Spannungsbereich und für die Übertragung eines Steuersignals zum Aktivieren der Entladeschaltung (150), wenn der erfasste Wert größer als die voreingestellte Spannung ist oder den voreingestellten Spannungsbereich ...

Control Device and Method for Controlling an AC Motor

Control device () and method for controlling an AC motor () by means of a motor control unit (). The control device () includes an AFE unit () arranged in parallel with the rectifier unit (), which AFE unit () is arranged for, under normal operation, to work as an active filter and inject super-harmonic current components opposite of the ones generated by the rectifier unit () to counteract the current distortion, seen from the grid side. When the motor control unit () is running regenerative, the AFE unit () will work as a 4-quadrant converter and supply energy back to the supply grid (). Advantages of the invention are reduced physical size, lower cost and improved efficiency compared to existing solutions of motor drive with frequency converters in weak grids, where the motor drive must handle regenerative operation. 120-. (canceled)21301819123335363730133312121319. A control device () for controlling an AC motor () by means of a motor control unit () , including a rectifier unit () , an AFE unit () which includes one or more LCL filters () , an AC/DC converter () , and an Active Front End control () , which control the device () being supplied with energy from a supply source/supply grid () , wherein the AFE unit () is arranged in parallel with the rectifier unit () , for working as an active filter and injecting super-harmonic current components opposite to those generated by the rectifier unit () to counteract the current distortion on the grid side under normal operation , and regeneratively working as a 4-wuadrant converter and supplying energy back to the supply grid () when the motor control unit () is running.22121213. The control device according to claim 21 , wherein the rectifier unit () is provided with one or more switches to block current from passing throughput the rectifier unit () when there is no need for energy from the supply source ().234333123342. The control device according to claim 21 , including one or more switches () arranged to a ...

MOTOR CONTROLLER

A motor controller comprising multiple types of interfaces assigned automatically, including a mother circuit board and a daughter circuit board. The daughter circuit board is plugged into the mother circuit board to form electric connection. The mother circuit board has a power circuit, a microprocessor unit of the mother circuit board, a rotor position sensing unit, a power inverter unit, and an analog sensing unit. The daughter circuit board includes a signal interface circuit. The mother circuit board further has a serial digital communication unit. The signal interface circuit includes a microprocessor of the daughter circuit board, and a serial digital communication unit of the daughter circuit board. The microprocessor unit of the mother circuit board communicates with the microprocessor of the daughter circuit board via the serial digital communication unit of the mother circuit board and the serial digital communication unit of the daughter circuit board. 2. The motor controller of claim 1 , wherein the microprocessor of the daughter circuit board communicates with a control system of a user terminal.3. The motor controller of claim 1 , wherein the microprocessor of the daughter circuit board processes a plurality of switch signals claim 1 , digital signals claim 1 , pulses claim 1 , and analogs.4. The motor controller of claim 2 , wherein the microprocessor of the daughter circuit board processes a plurality of switch signals claim 2 , digital signals claim 2 , pulses claim 2 , and analogs.5. The motor controller of claim 1 , wherein the microprocessor unit of the mother circuit board communicates with the microprocessor of the daughter circuit board in a mode of serial digital message for transmission of interface signals.6. The motor controller of claim 2 , wherein the microprocessor unit of the mother circuit board communicates with the microprocessor of the daughter circuit board in a mode of serial digital message for transmission of interface signals ...

Power conversion apparatus and electrical-mechanical energy conversion system

A power conversion apparatus includes arms in each of which one or more unit converters each including a capacitor and capable of outputting an arbitrary voltage are connected in series, and a point P as a first node to which one end of the respective arms are Y-connected, and a point N as a second node to which a neutral terminal of the rotary electric machine is connected. The other end of the respective arms are connected to one ends of respective phase windings of a rotary electric machine.

SYSTEMS AND METHODS FOR ZERO COMMON MODE VOLTAGE

An electrical system includes a converter having an H-bridge. The H-bridge includes a first set of transistors electrically connected in series and a second set of transistors electrically connected in series. The first set and the second set of transistors are electrically connected in parallel. The H-bridge defines three available switching states such that a common mode voltage across the H-bridge at each switching state is zero. A method for reducing electromagnetic interference (EMI) in pulse-width modulation (PWM) converters includes diagonally switching transistors of the H-bridge. Diagonally switching the transistors of the H-bridge includes constraining available switching states of the H-bridge to only include the switching states with zero common-mode voltage such that common-mode voltage on an AC output side of the H-bridge is zero. 1. An electrical system comprising: a first set of transistors electrically connected in series; and', 'a second set of transistors electrically connected in series, wherein the second set of transistors is electrically connected in parallel with the first set of transistors, wherein the H-bridge defines three available switching states such that a common mode voltage across the H-bridge at each switching state is zero., 'a converter including an H-bridge, wherein the H-bridge includes2. An electrical system as recited in claim 1 , wherein each of the first set of transistors and the second set of transistors include respective first and second transistors.3. An electrical system as recited in claim 1 , wherein in a first state of the three available switching states a first transistor in the first set of transistors is switched on claim 1 , a second transistor in the first set of transistors is switched off claim 1 , a first transistor in the second set of transistors is switched off claim 1 , and a second transistor in the second set of transistors is switched on.4. An electrical system as recited in claim 1 , wherein in a ...

Mitigation of Harmonic Currents and Conservation of Power in Non-Linear Load Systems

An AC power controller system applies three-phase AC operating power to an induction motor that drives a non-linear mechanical load. A primary low pass filter is connected in series between branch phase conductors and a power controller of the type that uses gate-controlled switching thyristors for controlling power to the motor. KVAR capacitors connected between the power controller and the induction motor phase windings form a secondary low pass filter across the controller output terminals. The primary and secondary low pass filters isolate the power controller and induction motor with respect to spurious noise and harmonics generated by local as well as remote sources, and also improve real power transfer efficiency from the power generating source to the induction motor by transforming the effective impedance of the power source and induction motor load. 1. A power controller system including one or more supply input terminals for receiving AC voltage from one or more supply phases of an AC power source , and one or more supply output terminals for conducting AC current to one or more stator phase windings of an AC induction motor , comprising in combination:an electronic power controller including one or more power input terminals for receiving AC voltage from each of the power controller system supply input terminals, one or more power output terminals electrically connected for conducting AC current to each of the power controller system supply output terminals, and switching means coupled between the power input terminals and power output terminals for controlling the conduction of current to each of the power controller system supply output terminals;a primary low pass filter circuit including one or more input terminals coupled to each of the supply input terminals and one or more output terminals coupled to each power input terminals of the electronic power controller; andone or more shunt capacitors connected in shunt phase to neutral relation across ...

DRIVE CONTROLLER FOR ELECTRIC MOTOR

The drive controller for the electric motor according to the present invention comprises two drive control systems for two winding sets of the electric motor, each drive control system includes a control circuit, an inverter, a power supply connector and a ground connector, the two control circuits are connected to an internal common ground, each rectifying element that passes a current from the common ground to each ground connector is provided in a line that connects the ground connector and the common ground, each current detection element is provided in a line that connects each positive power supply and a line between the rectifying element and the ground connector, and whether an open fault has occurred in the ground connector is diagnosed based on the voltage that is applied to the current detection element. 1. A drive controller for use in an electric motor that includes a first winding set and a second winding set , the drive controller comprising:a first system that controls and drives the first winding set, the first system including a first control circuit, a first inverter, a first power supply connector, and a first ground connector; anda second system that controls and drives the second winding set, the second system including a second control circuit, a second inverter, a second power supply connector, and a second ground connector,wherein the first control circuit and the second control circuit are connected to an internal common ground,a first rectifying element that passes a current from the common ground to the first ground connector is provided in a line that connects the first ground connector and the common ground,a second rectifying element that passes a current from the common ground to the second ground connector is provided in a line that connects the second ground connector and the common ground,a first current detection element is provided in a line that connects a positive power supply and a line between the first rectifying element and ...

Divided Phase AC Synchronous Motor Controller

A phase windings circuit for a motor includes at least two phase windings forming one half of motor phase windings of the circuit and at least two other phase windings forming another half of the motor phase windings of the circuit. A direct current (DC) power supply is located at least approximately at a midpoint of the motor phase windings to receive alternating current (AC) power transferred from one or more of the phase windings and convert the AC power to DC power. A first stage power switch circuit comprises at least one power switch outside of the DC power supply and is electrically connected at least approximately at a midpoint between phase windings on each half of the circuit. A second stage power switch circuit comprises at least one other power switch outside of the DC power supply and is electrically connected at least approximately at the midpoint of the divided phase windings to receive AC power from the motor divided phase windings. A non-collapsing DC power supply component prevents the DC power supply from collapsing when the at least one power switch or the at least one other power switch is on and conducting. 1. A circuit comprising:at least two phase windings forming one half of motor phase windings of the circuit and at least two other phase windings forming another half of the motor phase windings of the circuit;a direct current (DC) power supply at least approximately at a midpoint of the motor phase windings to receive alternating current (AC) power transferred from one or more of the phase windings and convert the AC power to DC power;a first stage power switch circuit comprising at least one power switch outside of the DC power supply and electrically connected at least approximately at a midpoint between phase windings on each half of the circuit;a second stage power switch circuit comprising at least one other power switch outside of the DC power supply and electrically connected at least approximately at the midpoint of the divided ...

Piezoelectric driving device, robot, and driving method of the same

A piezoelectric driving device includes a vibrating plate, and a piezoelectric vibrating body including a substrate, and piezoelectric elements provided on the substrate. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric body, and the first electrode, the piezoelectric body, and the second electrode are laminated in this order on the substrate. The piezoelectric vibrating body is installed on the vibrating plate so that the piezoelectric element is interposed between the substrate and the vibrating plate. A wiring pattern including a first wiring corresponding to the first electrode and a second wiring corresponding to the second electrode is formed on the vibrating plate, the first electrode and the first wiring are connected to each other through a first laminated conducting portion, and the second electrode and the second wiring are connected to each other through a second laminated conducting portion.

MOTOR DRIVING CIRCUIT, APPLICATION DEVICE INCLUDING THE SAME, AND BRAKING METHOD FOR A MOTOR

A motor driving circuit, an application device, and a motor braking method are provided. The driving circuit includes an inverter, a braking unit, and a MCU. The inverter is configured to drive a motor. The braking unit includes a sampling circuit, a discharge circuit, and a switch group. The MCU is connected to the sampling circuit, the discharge circuit, and the switch group, and is configured to control the sampling circuit to detect a voltage across the inverter and obtain a detected value when receiving the emergency signal, compare the detected value to a preset voltage or a preset voltage range, and transmit a control signal to activate the discharge circuit when the detected value is greater than the preset voltage or exceeds the preset voltage range. 1. A motor driving circuit comprising:an inverter configured to drive a motor;a braking unit comprising a sampling circuit, a discharge circuit and a switch group, the sampling circuit and the discharge circuit being connected to the inverter, the switch group being configured to output an emergency signal when an emergency occurs;a MCU connected to the sampling circuit, the discharge circuit, and the switch group, and configured to control the sampling circuit to detect a voltage across the inverter and obtain a detected value when receiving the emergency signal, compare the detected value to a preset voltage or a preset voltage range, and transmit a control signal to activate the discharge circuit when the detected value is greater than the preset voltage or exceeds the preset voltage range.2. The motor driving circuit according to claim 1 , wherein the motor driving circuit comprises an AC-DC converter circuit claim 1 , the AC-DC converter circuit comprises a switch component claim 1 , a rectifier and a capacitor claim 1 , the switch component is configured to control connection of the rectifier to an AC power source claim 1 , the rectifier is connected to the inverter and configured to convert AC voltage ...

Power Inverter Including SiC JFETs

A power inverter includes a reference line operably provided with a reference potential and a supply line operably provided with a DC supply voltage with respect to the reference potential. A first half bridge includes a high-side switch and a low-side switch. The high-side switch is coupled between the supply line and a middle tap of the half bridge and the low-side switch is coupled between the middle tap and the reference line. The low-side switch is formed by a normally-on silicon carbide junction field effect transistor and the high-side switch is formed by a series circuit of a normally-on silicon carbide junction field effect transistor and a normally-off metal oxide field effect transistor. 1. A power inverter comprising:a reference line operably provided with a reference potential;a supply line operably provided with a DC supply voltage with respect to the reference potential;a first half bridge comprising a high-side switch and a low-side switch, the high-side switch coupled between the supply line and a middle tap of the half bridge and the low-side switch coupled between the middle tap and the reference line;wherein the low-side switch is formed by a normally-on silicon carbide (SiC) junction field effect transistor (JFET); andwherein the high-side switch is formed by a series circuit of a normally-on SiC JFET and a normally-off metal oxide field effect transistor (MOSFET).2. The power inverter of claim 1 , wherein the SiC JFET is a high voltage transistors and the MOSFET is a low voltage transistor.3. The power inverter of claim 2 , wherein the SiC JFET has a maximum reverse voltage of more than 400 volts and the MOSFET has a maximum reverse voltage of less than 50 volts.4. The power inverter of further comprising:a second and a third half bridge each comprising a high-side switch and a low-side switch, wherein for both the second and third half bridges the high-side switch is coupled between the supply line and a middle tap of the respective half ...

Electric drivetrain of a device, and gas compression equipment including such a drivetrain

An electric drivetrain of a device, such as a gas compression device, includes an electric machine and a system for supplying power to the electric machine, the electric machine including a rotor and a stator. The electric machine is an asynchronous electric machine, and the power supply system is suitable for supplying voltage to the stator of the electric machine, the power supply system making up a source of voltage. 1. An electric drivetrain for a device , such as a gas compression device , the drivetrain comprising: a power supply system;', 'a rotor; and', 'a stator,, 'an electric machine comprisingwherein the electric machine is an asynchronous electric machine, and the power supply system is configured to supply voltage to the stator of the electric machine, wherein the power supply system making up a source of voltage.2. The drivetrain according to claim 1 , wherein the power supply system is further configured to be electrically connected to an AC electrical grid comprising N phases claim 1 , N being a whole number greater than or equal to one claim 1 , wherein the power supply system comprises:N connection terminals configured to connect to the AC electrical grid, wherein each of the N connection terminals corresponds to a phase of the AC electrical grid;P terminals configured to connect to the stator of the electric machine, P being a whole number greater than or equal to one;a first conversion device configured to convert AC voltage comprising N phases to at least one DC voltage; anda second conversion device configured to convert at least one DC voltage to AC voltage comprising P phases, the second conversion device being connected between the first conversion device and the stator of the electric machine.3. The drivetrain according to claim 2 , wherein the first conversion device comprises M1 first conversion modules configured to convert AC input voltage to DC output voltage claim 2 , M1 being a whole number greater than or equal to 2 claim 2 , the M1 ...

SHIFT RANGE CONTROL DEVICE

A shift range control device switches a shift range by controlling driving of a motor in a shift range switching system, in which a play exists between a motor shaft which is a rotation shaft of a motor and an output shaft to which the rotation of the motor is transmitted. A parameter calculation unit calculates a motor angle, a motor speed and a motor acceleration based on a motor rotation angle signal acquired from a motor rotation angle sensor which detects a rotation position of the motor. An idling check unit checks an end of idle rotation, in which the motor rotates within a range of the play, based on the motor speed and the motor acceleration. A target setting unit sets a motor angle target value related to drive control on the motor, by using an angle correction value which is a value corresponding to the motor angle at the end of the idle rotation. A drive control unit controls the driving of the motor such that the motor angle becomes the motor angle target value. 1. A shift range control device for switching a shift range by controlling driving of a motor in a shift range switching system , in which a play exists between a motor shaft which is a rotation shaft of a motor and an output shaft to which the rotation of the motor is transmitted , the shift range control device comprising:a parameter calculation unit for calculating a motor angle, a motor speed and a motor acceleration based on a motor rotation angle signal acquired from a motor rotation angle sensor which detects a rotation position of the motor;an idling check unit for checking an end of an idle rotation state, in which the motor rotates within a range of the play, based on the motor speed and the motor acceleration;a target setting unit sets a motor angle target value related to drive control on the motor, by using an angle correction value which is a value corresponding to the motor angle at the end of the idle rotation state; anda drive control unit for controlling the driving of the ...

SPEED CONTROL OF AN INDUCTION MOTOR

Systems and methods are controlling an operating speed of an induction motor are provided. In particular, a current applied to a stator of an induction motor can be measured. A time domain representation of the measured current can be transformed into a frequency domain representation of the measured current. An operating speed of the induction motor can be determined based at least in part on the frequency domain representation. The determined speed can be compared to a desired operating speed, and the operating speed of the induction motor can be adjusted as necessary to meet the desired speed. 1. A method of determining a speed of line fed phase controlled induction motor , the method comprising:obtaining data indicative of an amount of current drawn by an alternating current induction motor;determining frequency data associated with the alternating current induction motor based at least in part on the obtained data indicative of the current drawn by the alternating current induction motor;determining a measured operating speed of the alternating current induction motor based at least in part on one or more sideband peaks associated with the determined frequency data;comparing the measured operating speed of the alternating current induction motor to a desired operating speed of the alternating current induction motor; andcontrolling the operating speed of the alternating current induction motor based at least in part on the comparison.2. The method of claim 1 , wherein the data indicative of the current drawn by the alternating current induction motor comprises a time domain representation of the amount of current drawn by the alternating current induction motor.3. The method of claim 2 , wherein determining frequency data associated with alternating current induction motor comprises transforming the time domain representation of the amount of current drawn by the alternating current induction motor into a frequency domain representation of the amount of current ...

BUS VOLTAGE LIMITER FOR CONVERTER APPARATUS WITH MULTIPLE DC BUSES

An apparatus includes a first DC bus, a second DC bus a first converter circuit coupled to the first DC bus, and a second converter circuit coupled to the second DC bus. The apparatus further includes a limiter circuit coupled to the second DC bus, a first control circuit configured to sense a voltage on the first. DC bus and to responsively control the first. converter circuit to, limit the voltage on the. first ,DC bus, and a second control circuit configured to sense a voltage on the second DC bus and to responsively control the limiter circuit, to limit the voltage on the second DC bus. The apparatus may include a modulation conversion circuit configured to provide a .set of switch control signals to the converter circuits and implemented in a module that is also used to implement the second control circuit. 1. An apparatus comprising:a first DC bus;a second DC bus;a first multilevel converter circuit coupled to the first DC bus;a second multilevel converter circuit coupled to the second DC bus;a limiter circuit coupled to the second DC bus;a two-level converter control circuit configured to sense a voltage on the first DC bus and to responsively produce a first set of switch control signals;a modulation conversion circuit configured to receive the first set of switch control signals and responsively provide a second set of switch control signals derived from the first set of switch control signals to the first and second multilevel converter circuits; anda bus limiter control circuit configured to sense a voltage on the second DC bus and to responsively control the limiter circuit to limit the voltage on the second DC bus.2. The apparatus of claim 1 , wherein the first and second converter circuits are coupled to respective phases of an AC motor.3. (canceled)4. The apparatus of An apparatus comprising:a first DC bus;a second DC bus;a third DC bus;a first converter circuit coupled to the first DC bus;a second converter circuit coupled to the second DC bus;a ...

Drive battery for in-phase operation of an electric motor, drive system and a method for operating the drive system

A drive battery for n-phase operation of an electric motor includes at least 2*n battery strings each including a plurality of series-connected battery cells. At least one battery cell per battery string is selectively connectable and disconnectable from the particular battery string by activation of a coupling circuit associated with the particular battery cell. Each battery string is also connectable to one of 2*n pole windings of an n-phase operable electric motor, where nεN + and n>1. Two of the at least 2*n battery strings are each designed to generate an always phase-synchronous alternating voltage by activation of the coupling circuits of their particular battery cells.

MOTOR INCORPORATING POWER CONVERTER, AND AIR CONDITIONER, WATER HEATER, AND VENTILATION BLOWER INCORPORATING THE MOTOR

A motor incorporating a power converter including a printed board on which a semiconductor module (an inverter IC), which converts a voltage of an external power supply into a high-frequency voltage and supplies the high-frequency voltage to a stator, is mounted, wherein a high-voltage circuit ground, which is a power ground of a high-voltage main circuit system of the inverter IC, and a low-voltage circuit ground, which is a ground of a control circuit system, which is a low-voltage circuit, of the semiconductor module, are provided on the board, and the high-voltage circuit ground and the low-voltage circuit ground are connected at one point via a resistor. 1. A motor incorporating a power converter that includes a substrate on which a semiconductor module , which supplies a voltage to a stator , is mounted , whereina high-voltage circuit ground of the semiconductor module and a low-voltage circuit ground of the semiconductor module are provided on the substrate, andthe high-voltage circuit ground and the low-voltage circuit ground are connected at one point via a resistor.2. The motor incorporating the power converter according to claim 1 , wherein the resistor is arranged on a stator side of the substrate.3. The motor incorporating the power converter according to claim 1 , whereinthe semiconductor module includes a semiconductor chip in which a plurality of semiconductor elements are formed, andthe semiconductor chip is configured from a wide bandgap semiconductor.4. An air conditioner comprising:an indoor unit that blows conditioned air into an installation room;an indoor blower that is arranged in the indoor unit and sends the conditioned air from an outlet port of the indoor unit; andan outdoor unit that is connected to the indoor unit by a refrigerant pipe and exchanges heat with outdoor air, wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the motor incorporating the power converter according to is provided in the indoor blower.'}5. An air ...

Gate driver with integrated miller clamp

A gate driver with an integrated Miller clamp controls a high-power drive device coupled to a terminal of a package that houses an integrated circuit coupled to the terminal. A method includes generating an indication of a level of a signal on the terminal with respect to a predetermined signal level. The method includes configuring a variable strength driver of the integrated circuit to charge, discharge, or clamp the terminal based on a control signal and the indication.

MOTOR ASSEMBLY

A motor assembly includes a motor, a housing that houses the motor, an inverter that is electrically connected to the motor, an inverter case that houses the inverter and is provided integrally with the housing, a wire harness including a first connector electrically connected to a connector positioned on a side surface of the inverter case, a second connector electrically connected to a connector of the housing, and an electric wire electrically connecting the first connector and the second connector, and a side connector cover provided over the side surface of the inverter case, covering the first connector laterally. 1. A motor assembly comprising:a motor;a housing that houses the motor;an inverter that is electrically connected to the motor;an inverter case that houses the inverter and is provided integrally with the housing;a wire harness including a first connector electrically connected to a connector positioned on a side surface of the inverter case, a second connector electrically connected to a connector of the housing, and an electric wire electrically connecting the first connector and the second connector; anda side connector cover provided over the side surface of the inverter case, covering the first connector laterally.2. The motor assembly according to claim 1 , whereinthe housing includes an axle connecting portion to which an axle of a vehicle is connected;the inverter case including the connector is positioned radially outside the axle connected to the axle connecting portion; andthe first connector is covered with the side connector cover when viewed from the axle.3. The motor assembly according to claim 2 , whereinthe side connector cover includes a bottom wall portion positioned between the first connector and the axle; andthe bottom wall portion includes a surface facing the axle, having a curved shape protruding toward a side opposite to the axle.4. The motor assembly according to claim 1 , wherein the connector of the housing claim 1 , ...

MOTOR DRIVING DEVICE WITH PRINTED BOARD INCLUDING INSULATING COMPONENT MOUNTED THEREON

A motor driving device including a printed board on which an insulating component is mounted. The insulating component integrally includes a plate-shaped insulation part formed by a heat resistant resin having an electrical insulation property, and a plate-shaped adhesive part provided at an end portion of the insulation part and formed by a thermoplastic resin having an electrical insulation property, and the insulating component is adhered to a surface of the printed board by thermal welding by heating and melting the adhesive part. 1. A motor driving device including a printed board , comprising:an insulating component mounted on the printed board,wherein the insulating component integrally includes a plate-shaped insulation part formed by a heat resistance resin with an electrical insulation property, and a plate-shaped adhesive part provided at an end portion of the insulation part and formed by a thermoplastic resin with an electrical insulation property, and the insulating component is adhered to a surface of the printed board by thermal welding by heating and melting the adhesive part.2. The motor driving device according to claim 1 ,wherein, before the adhesive part is melted, the adhesive part includes a first end portion contacting with the insulation part, and a second end portion contacting the surface of the printed board when the insulating component is mounted, and a sectional area of the adhesive part gradually increases from the first end portion to the second end portion.3. The motor driving device according to claim 1 ,wherein, before the adhesive part is melted, the adhesive part includes a first end portion contacting the insulation part, and a second end portion contacting with the surface of the printed board when the insulating component is mounted, and a sectional area of the adhesive part gradually decreases from the first end portion to the second end portion.4. The motor driving device according to claim 1 ,wherein the insulation part ...

SEMICONDUCTOR DEVICE

A semiconductor device of the present invention includes: a substrate () that is annular or partially annular; a first phase control circuit () provided on the substrate (), the first phase control circuit being configured to control a first phase of a plurality of phases of a motor; a second phase control circuit () provided on the substrate () so as to be adjacent to the first phase control circuit () in a circumferential direction of the substrate (), the second phase control circuit () being configured to control a second phase of the plurality of phases of the motor, the second phase being different from the first phase; a power supply wiring () disposed on one of an outer circumferential side and an inner circumferential side of the first phase control circuit () and the second phase control circuit () in a radial direction of the substrate (), the power supply wiring () being connected to the first phase control circuit () and the second phase control circuit (), and the power supply wiring () extending in the circumferential direction of the substrate (); and a ground winding () disposed on an other one of the outer circumferential side and the inner circumferential side of the first phase control circuit () and the second phase control circuit () in the radial direction of the substrate (), the ground winding () being connected to the first phase control circuit () and the second phase control circuit (), and the ground winding () extending in the circumferential direction of the substrate (). 1. A semiconductor device comprising:a substrate that is annular or partially annular, the substrate having an inner circumferential portion arcuate in plan view and an outer circumferential portion arcuate in plan view;a first phase control circuit on the substrate, the first phase control circuit being configured to control a first phase of a plurality of phases of a motor;a second phase control circuit on the substrate so as to be adjacent to the first phase ...

MOTOR DRIVE WITH INDEPENDENT PHYSICAL BACKPLANE COMMUNICATION

Control circuitry of a motor drive provides commands for operation of power circuitry based at least in part on signals exchanged with functional circuits, such as for system data and control data, such as feedback of motor or system parameters. The functional circuits may operate at different data rates, with different interrupt intervals, depending upon their capabilities. The control circuitry accommodates all of these flexibly. A physical backplane printed circuit board comprising independent data lines for each functional circuit allows for independent configuration of the data rates, interrupt intervals and communications between the control circuitry and the functional circuits. 1. A system comprising:converter circuitry to convert incoming three-phase power to DC power;inverter circuitry to convert the DC power to three-phase controlled frequency AC power to drive a motor;a plurality of functional circuits each configured to carry out a control, monitoring, or feedback operation with respect to a driven motor or load;control circuitry coupled to the inverter circuitry and configured to receive feedback signals, apply control signals to the inverter circuitry for conversion of the DC power to the controlled frequency AC power, and supply variable control events and/or system events to the functional circuits; anda physical backplane providing data communication between the control circuitry and the functional circuits, the physical backplane having separate and independent conductive data lines for each functional circuit, thus allowing data transfer between the control circuitry and each functional circuit at different data transfer rates, wherein the physical backplane comprises a dedicated functional circuit support board configured for data transmission only, and wherein the control circuitry employs one or more different control event intervals and/or system event intervals with each functional circuit.2. The system of claim 1 , wherein the functional ...

SOLAR HYBRID SOLUTION FOR SINGLE PHASE STARTING CAPACITOR MOTOR APPLICATIONS WITH GRID START

A motor control system for induction-type capacitor-start AC electric motors having starting and run windings starts the electric motors on AC power then, without stopping the motor, switches to using a variable-frequency motor drive (VFD) configured with a maximum power point tracking method to run the motor from solar power. In particular embodiments, the MPPT method is adapted to reduce power consumed by the motor by reducing frequency and voltage provided by the VFD when available solar panel power is insufficient for full power operation, and to increase frequency and voltage provided by the VFD when available solar panel power is greater than power absorbed by the motor. 1. A system comprising:an induction-type AC electric motor having a starting winding, and a run winding;an AC input connection having line and neutral connectionsa variable frequency motor drive (VFD) having at least a first phase output coupled to power the run winding, the VFD coupled to receive power from a solar power input connection;a switching apparatus having at least a first and a second position;the starting winding coupled through a starting switch;wherein with the switching apparatus in the first position, the run winding and the starting winding are coupled to the AC line connection of the AC input, and with the switching apparatus in the second position the run winding and starting winding are disconnected from the AC input, and the run winding is connected to an output of the VFD;the system being configured to start the motor on AC power with the switching apparatus in the first position and to, once the motor is started and, without stopping the motor, switch the switching apparatus to the second position and enable the VFD output to run the motor on power received through the solar power input connection.2. The system of wherein the switching apparatus is controlled by a microcontroller.3. The system of wherein the VFD drive is configured by firmware in the microcontroller to ...

DIRECT CURRENT POWER SUPPLY EXCITER MANAGEMENT

Also disclosed is a method for exciting a generator of a direct current power supply with a controller. The method includes receiving a phase voltages associated with multiphase output of the generator. The method includes determining a maximum line-to-line voltage based on the phase voltages. The method includes operating an exciter winding driver with an oscillating signal generated according to the maximum line-to-line voltage. 1. A direct current power supply that supplies power to a direct current load , the supply comprising:an exciter having an excitation winding and operable to output an excitation voltage;a generator connected to the exciter and that generates a multiphase output having phase voltages based on the excitation voltage;a rectifier configured to receive the multiphase output and having diodes oriented to rectify multiphase output;a direct current link capacitor connected to an output of the rectifier that generates a direct current link capacitor voltage; receive a phase voltage for each phase of the multiphase output;', 'define a maximum line-to-line voltage based on the phase voltages;', 'generate an oscillating signal according to the maximum line-to-line voltage; and', 'energize the exciter winding driver to drive the excitation winding based on the oscillating signal,, 'a controller having an exciter winding driver, digital storage, and instructions stored on the digital storage operable upon execution by the controller towherein the controller does not measure the output provided to the load by the direct current capacitor.2. The direct current power supply of claim 1 , wherein:the multiphase output includes a first multiphase output, a second multiphase output, and a third multiphase output,the phase voltages comprise a first phase voltages with respect to a neutral reference, a second phase voltages with respect to the neutral reference, and a third phase voltages with respect to the neutral reference, respectively, andthe maximum line- ...

SWITCHGEAR FOR A SINGLE-PHASE MOTOR AND A THREE-PHASE MOTOR

An embodiment relates to a switchgear for a single-phase motor and a three-phase motor, the switchgear including a processing unit and a first, second and third current path, the first and third current path each including a current transformer, The processing unit is adapted to detect the current I. of the first current path and the current Iof the third current path. To provide a cost-effective switchgear for a one-phase motor and a three-phase motor which is adapted to identify the failure of every single phase in the three-phase operation and a phase failure in the one-phase operation, the processing unit is designed such as to detect the currents I, Iof the first and third current path and to determine, based on the phase shift between the detected currents I, Iof the first and third current path in which operating mode the switchgear is operated. 1. A switchgear for a single-phase motor and a three-phase motor , the switchgear comprising: [ {'sub': 1', '3, 'detect, via the current transformers, the current Iof the first current path and the current Iof the third current path,'}, 'a first, second and third current path, the first and third current paths each comprising a current transformer, the processing unit being configured to'}, {'sub': 1', '3', '1', '3, 'claim-text': [{'sub': 1', '3, 'repeatedly detects simultaneously, the currents I, Iof the first and third current paths within a time interval for ascertaining the present operating mode of the switchgear and either'}, {'sub': 1', '3', '1', '3, 'determines the first number of positively detected currents I, Iof the first or third current paths and the second number of simultaneously positively detected currents I, Iof the first and third current paths or'}, {'sub': 1', '3', '1', '3, 'determines the first number of negatively detected currents I, Iof the first or third current paths and the second number of simultaneously negatively detected currents I, Iof the first and third current paths and'}], 'detect ...

ELECTRIC SUBMERSIBLE PUMP VARIABLE SPEED DRIVE CONTROLLER

An electric submersible pump (ESP) variable speed drive (VSD) controller is described. A VSD control system includes a pump assembly including an induction motor operatively coupled to a pump, a power cable and a transformer electrically coupled between the induction motor and a VSD controller that controls a speed of the induction motor, the VSD controller including a converter section that sends a direct current (DC), a DC link including a DC smoothing capacitor that smooths the DC, an inverter that converts the smoothed DC to a pulse width modulated (PWM) output voltage, the inverter including at least one silicon carbide (SiC) power semiconductor module, and a PWM filter that filters the PWM output voltage to produce near sinusoidal voltages, the PWM filter including inductors, and the PWM filter sending voltage to the transformer. 1. A variable speed drive (VSD) control system comprising:a pump assembly comprising an induction motor operatively coupled to a pump;a power cable electrically coupled between the induction motor and a VSD controller; a converter section that sends a direct current;', 'a DC link comprising a DC smoothing capacitor that smooths the direct current; and', 'an inverter active switch section that converts the smoothed direct current to a pulse width modulated (PWM) output voltage, the inverter active switch section comprising one of at least one silicon carbide (SiC) MOSFET or at least one SiC IGBT device., 'the VSD controller controlling a speed of the induction motor, the VSD controller comprising2. The VSD control system of claim 1 , wherein the inverter active switch section comprises the at least one SiC IGBT device claim 1 , the at least one SiC IGBT device further comprising:a first SiC IGBT device electrically connected to a second SiC IGBT device by a terminal; andthe terminal serving as a drain of the first SiC IGBT device and a source of the second IGBT device.3. The VSD control system of claim 1 , wherein the inverter active ...

Modular Motor Drive Communication System and Method

A motor drive system includes a control module and a power module for generating control signals and power signals, respectively, for driving an electric motor. An add-on module or subassembly is physically positionable between the control and power modules, and communicates with the control module to allow for communication with external devices. 1. A motor drive system comprising:a modular power subassembly controllable to provide controlled frequency AC power to an electric motor;a modular control subassembly separable from the modular power subassembly that, in operation, applies control signals to the modular power subassembly for controlling the provided power; andan add-on subassembly positionable between the modular power subassembly and the modular control subassembly and electrically coupled to the modular control subassembly for providing communication between the modular control subassembly and at least one external device.2. The system of claim 1 , wherein the modular power and control subassemblies comprise mating multi-conductor connectors that mate when the modular control subassembly is attached to the modular power subassembly to convey signals between the modular power and control subassemblies.3. The system of claim 2 , wherein the add-on subassembly is configured to fit around the mating multi-conductor connectors when the modular control subassembly is attached to the modular power subassembly.4. The system of claim 1 , wherein the add-on subassembly is attached to the modular control subassembly prior to mating the modular control subassembly with the modular power subassembly.5. The system of claim 1 , comprising an adapter connector for connecting the add-on subassembly to the modular control subassembly.6. The system of claim 1 , wherein the add-on subassembly is not electrically coupled to the modular power subassembly and does not directly convey signals with the modular power subassembly.7. The system of claim 1 , wherein the add-on ...

Wirelessly Powered Electric Motor

A method and apparatus for controlling an electric motor. Power is transmitted to windings of the electric motor by wireless magnetic coupling between transmission coils and the windings. 1. A method of controlling an electric motor , comprising:transmitting power to windings of the electric motor by wireless magnetic coupling between transmission coils and the windings.2. The method of further comprising:transmitting the power to the windings at resonant frequencies of the windings.3. The method of further comprising:transmitting the power to the windings at a first frequency corresponding to a resonant frequency of first windings of the electric motor;transmitting the power to the windings at a second frequency corresponding to a resonant frequency of second windings of the electric motor; andwherein the first frequency and the second frequency are different frequencies.4. The method of claim 3 , wherein the first frequency and the second frequency are not harmonics of each other.5. The method of further comprising:identifying a position of a rotor of the electric motor by identifying an effect of the position of the rotor on inductance of the transmission coils; andcontrolling timing of transmitting the power by the transmission coils in response to the position of the rotor.6. The method of further comprising:identifying movement of a rotor of the electric motor by identifying an effect of the movement of the rotor on power drawn by the transmission coils; andcontrolling timing of transmitting the power by the transmission coils in response to the movement of the rotor.7. An electric motor claim 1 , comprising:a rotor; anda plurality of windings, wherein each of the plurality of windings has a different resonant frequency.8. The electric motor of claim 7 , wherein resonant frequencies for the plurality of windings are not harmonics of each other.9. The electric motor of claim 7 , wherein resonant frequencies for the plurality of windings are different from each ...

ENERGY STORAGE DEVICE, SYSTEM COMPRISING AN ENERGY STORAGE DEVICE, AND METHOD FOR ACTUATING AN ENERGY STORAGE DEVICE

The invention relates to an energy storage device () for generating an n-phase supply voltage, wherein n≧1, comprising n energy supply branches connected in parallel, which are each coupled to a respective output connection (c) of the energy storage device (), wherein each of the energy supply branches has a plurality of energy storage modules () connected in series. The energy supply branches each have a respective energy storage cell module (), which has at least one energy storage cell (), and a respective coupling device () having first coupling elements (d), which are designed to selectively connect the energy storage cell module () into the respective energy supply branch or bypass the energy storage cell module. At least one of the energy supply branches has at least one second coupling element (), which is coupled between output connections of energy storage cell modules () that are adjacent in the at least one energy supply branch and which is designed to connect the coupled energy storage cell modules () into the respective energy supply branch in parallel with each other. 11. An energy storage device () for generating an n-phase supply voltage , wherein n≧1 , comprising:{'b': 1', '1', '1', '1', '3, 'i': a,', 'b,', 'c, 'n energy supply branches which are connected in parallel and which are each coupled to at least one output connection () of the energy storage device (), wherein each of the energy supply branches has a multiplicity of energy storage modules () which are connected in series and which each comprise{'b': 5', '5', '5, 'i': a,', 'k, 'an energy storage cell module (), which has at least one energy storage cell (), and'}{'b': 7', '7', '7', '7', '7', '5, 'i': a,', 'b,', 'c,', 'd, 'a coupling device () comprising first coupling elements (), which are designed to switch the energy storage cell module () selectively into the respective energy supply branch or to bypass said energy storage cell module; and'}{'b': 8', '5', '5', '5', '5, 'i': m,', 'p, ' ...

SOLAR HYBRID SOLUTION FOR SINGLE PHASE STARTING CAPACITOR MOTOR APPLICATIONS

A motor control system for induction-type AC electric motors having starting and run windings has a multiphase VFD drive with first and second phase outputs. A switching device with a first position, where a first output of the VFD drive is coupled to the run winding and a second output of the VFD drive couples to the start winding; and with the switching apparatus in second position, the run winding of the AC electric motor couples to an AC line input and the start winding of the AC electric motor couples through a capacitor and start switch to the AC line input. With the switching device in the first position, the second output of the VFD is configured to discontinue driving the start winding of the motor after the motor begins rotating. 1. A system comprising:an induction-type AC electric motor having a starting winding, and a run winding;an AC input connection;a multiphase variable frequency motor (VFD) drive having at least a first and a second phase output;a switching apparatus having at least a first and a second position;wherein with the switching apparatus in the first position, a first output of a variable frequency motor drive is coupled to the run winding of the AC electric motor, and a second output of the variable frequency motor drive is coupled to the start winding of the AC electric motor; andwith the switching apparatus in the second position, the run winding of the AC electric motor is coupled to the AC input connection and the start winding of the AC electric motor is coupled through a capacitor and start switch to the AC input connection;wherein, with the switching apparatus in the first position, the second output of the VFD is configured to discontinue driving the start winding of the motor after the motor begins rotating.2. The system of wherein the switching apparatus is controlled by a microcontroller.3. The system of wherein the VFD drive is configured with maximum power point tracking (MPPT).4. The system of wherein the VFD drive is a ...

Depletion Mode Group III-V Transistor with High Voltage Group IV Enable Switch

There are disclosed herein various implementations of a half-bridge or multiple half-bridge switch configurations used in a voltage converter circuit using at least two normally ON switches. Such a circuit includes a high side switch and a low side switch coupled between a high voltage rail and a low voltage rail of the voltage converter circuit. The high side switch is coupled to the low side switch at a switch node of the voltage converter circuit. At least one group IV enhancement mode switch is used as an enable switch. The group IV enhancement mode enable switch may be an insulated gate bipolar transistor (IGBT), a super junction field-effect transistor (SJFET), a unipolar group IV field-effect transistor (FET), or a bipolar junction transistor (BJT). 1. A circuit comprising:at least one half-bridge which includes a normally ON high side switch and a normally ON low side switch coupled between a high voltage rail and a low voltage rail of said circuit;said normally ON high side switch coupled to said normally ON low side switch at a switch node of said half-bridge;at least one of said normally ON high side switch and said normally ON low side switch being a normally ON III-Nitride switch; anda group IV enhancement mode transistor configured as an enable switch for said normally ON III-Nitride switch.2. The circuit of claim 1 , wherein said circuit is configured as a buck converter.3. The circuit of claim 1 , wherein said group IV enhancement mode transistor comprises an insulated gate bipolar transistor (IGBT).4. The circuit of claim 1 , wherein said group IV enhancement mode transistor comprises a super-junction field-effect transistor (SJFET).5. The circuit of claim 1 , wherein said group IV enhancement mode transistor comprises a unipolar field-effect transistor (FET).6. The circuit of claim 1 , wherein said circuit includes more than one group IV enhancement mode transistor.7. The circuit of claim 1 , wherein said normally ON III-Nitride switch comprises a ...

Multi-phase brushless direct-current motor and drive method therefor

A BLDC motor comprising a permanent magnet motor rotor defining a motor axis, a motor housing and a plurality of phase winding circuits mounted on the motor housing to form a stator, wherein each phase winding circuit comprises a phase winding and a driving bridge which is to operate to drive a phase current to flow through the phase winding, and the driving bridge comprises a switching circuit to provide a switched power supply to energize the phase winding; and wherein the phase windings are disposed at different angular positions with respect to the motor axis or the motor housing.

Rotating machine control device and electric power steering control device

A control unit includes: control command generation means for generating a first control command and a second control command that specifies currents to flow through a first winding set and second winding set respectively; voltage calculation means for calculating a first voltage command from the first control command and calculating a second voltage command from the second control command; and first voltage application means and second voltage application means for applying voltages to the first winding set and the second winding set of a rotating machine on the basis of the first voltage command and the second voltage command, wherein discharge control for electric charge of a smoothing capacitor is performed while torque generated by current flowing from the smoothing capacitor to the first winding set and torque generated by current flowing from the capacitor to the second winding set are cancelled out with each other.

PUMP ASSEMBLY AND CONTROLLING METHOD

A pump assembly () includes a pump unit () capable of providing a desired head (H) at zero flow rate, a brushless speed-controlled permanent-magnet AC drive motor () for driving the pump unit (), and a control unit for controlling the drive motor (). The control unit includes a frequency converter configured to receive an input voltage (U). The drive motor () is operable in a field-weakening mode and non-field-weakening mode. The drive motor () is undersized for driving the pump unit () at a design input voltage (U) to provide a lower head (H) than the desired head (H) at zero flow rate in the non-field-weakening mode and for driving the pump unit () to provide the desired head (H) at zero flow rate in the field-weakening mode. 1. A pump assembly comprising:a pump unit configured to provide a desired pressure head at zero flow rate;a brushless speed-controlled permanent-magnet AC drive motor for driving the pump unit; anda control unit for controlling the drive motor, the control unit comprising a frequency converter configured to receive an input voltage, wherein:the drive motor is operable in a field-weakening mode and non-field-weakening mode; andthe drive motor is undersized for driving the pump unit at a design input voltage to provide a lower pressure head than the desired pressure head at zero flow rate in the non-field-weakening mode and for driving the pump unit to provide the desired pressure head at zero flow rate in the field-weakening mode.2. The pump assembly according to claim 1 , wherein the frequency converter is configured to provide a pulse width modulated AC output voltage at a modulation index to the drive motor.3. The pump assembly according to claim 2 , wherein the AC output voltage is limited by the input voltage at a maximum modulation index M≈1.4. The pump assembly according to claim 1 , wherein the design input voltage is a lowest possible input voltage for providing the lower pressure head at zero flow rate in the non-field-weakening mode ...

Electric power steering apparatus

Two sets of independent armature windings and two sets of control units are provided; a single power-source connector branches into at least four lines in the vicinity of a power-source terminal; a power source relay, a filter, and an inverter circuit are connected, in that order, with a line where a large current flows; a control circuit unit is connected with a line where a small current flows and a detection circuit for detecting an abnormality in the control circuit unit is provided in that line.

Divided phase ac synchronous motor controller

A circuit for a motor comprises at least two phase windings forming one half of motor phase windings of the circuit and at least two other phase windings forming another half of the motor phase windings of the circuit. A direct current (DC) power supply receives alternating current (AC) power transferred from one or more of the motor phase windings and converts the AC power to DC power. A first stage power switch circuit comprising at least one power switch is connected between the at least two phase windings on the one half of the motor phase windings of the circuit and between the at least two other phase windings on the other half of the motor phase windings of the circuit. A second stage power switch circuit comprising at least one other power switch is connected between the one half of the motor phase windings of the circuit and the other half of the motor phase windings of the circuit, the at least one other power switch to receive AC power from one or more of the motor phase windings. At least one non-collapsing DC power supply component prevents the DC power supply from collapsing when the at least one power switch is on.

Driver circuitry

Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.

Circuit substrate and electric oil pump

An electric oil pump includes a control substrate including a reverse connection protection circuit to protect a circuit in the substrate, a first substrate wiring connected to a source terminal of a MOSFET in the reverse connection protection circuit, a second substrate wiring connected to a GND terminal, and a bypass circuit that causes a current to flow from the first substrate wiring to the second substrate wiring in a case in which an output voltage of the external power supply is equal to or greater than a predetermined value that is greater than a rated voltage, in which the predetermined value is a value that is smaller than a withstanding voltage between a gate and the source of the MOSFET.

Driving Signal Generator and Method of Generating Driving Signal

A driving signal generator for driving a transducer includes: an input terminal for receiving a control signal; and a digital filter, coupled to the input terminal, for generating a driving signal to drive the transducer in response to the control signal. The digital filter is a notch filter, and the transfer function of the digital filter is related to the characteristics of the transducer. 1. A driving signal generator for driving a transducer , comprising:an input terminal, for receiving a control signal; anda digital filter, coupled to said input terminal and for generating a driving signal to drive said transducer based on said control signal;wherein said digital filter is a notch filter, and the transfer function of said digital filter is related to the characteristics of said transducer.2. The driving signal generator as of claim 1 , wherein said driving signal generator does not contain a loop fed back from said transducer.3. The driving signal generator as of claim 1 , wherein said driving signal generator is based on an open-loop control configuration.4. The driving signal generator as of claim 1 , wherein a peaking exists on the magnitude of frequency-domain response of said transducer.5. The driving signal generator as of claim 1 , wherein said transducer is an inductive component.6. The driving signal generator as of claim 1 , wherein the transfer function of said digital filter is denoted by:{'br': None, 'sub': 1', '2, 'sup': −n', '−2n, '(1+a·z+a·z)·F1,'}where F1 is an at least first-order Z-domain function, a1 is a real number less than zero, a2 is a real number greater than zero, and n is a natural number.8. The driving signal generator as of claim 1 , wherein the transfer function of said digital filter is denoted by:{'br': None, 'sup': −2', '−4', '−7, '0.5·(1−z+z)·(1+z).'}9. A method of generating a driving signal claim 1 , applied in a driving signal generator configured to drive a transducer claim 1 , said method comprising the steps of:receiving ...

POWER TOOL OPERATION METHOD

A power tool operation method includes the step of providing a light load trigger condition and a target torque parameter, the step of triggering an electric drive of a power tool through a drive current to cause the electric drive to generate an operating signal, the step of monitoring the operating signal of the electric drive, the step of limiting the maximum current change rate of the drive current when the operating signal satisfied the light load trigger condition, so that the electric drive operates at a reduced speed, the step of monitoring an output torque value of the electric drive, and the step of stopping the output of the drive current when the output torque value satisfied the target torque parameter. 1. A power tool operation method , comprising the steps of:providing a light load trigger condition and a target torque parameter;triggering an electric drive of a power tool through a drive current to cause said electric drive to generate an operating signal;monitoring said operating signal of said electric drive;limiting a maximum current change rate of said drive current when said operating signal satisfied said light load trigger condition, so that said electric drive operates at a reduced speed;monitoring an output torque value of said electric drive; andstopping the output of said drive current when said output torque value satisfied said target torque parameter.2. The power tool operation method as claimed in claim 1 , wherein said light load trigger condition comprises establishing a plurality of light load triggering periods and a plurality of light load triggering parameters respectively corresponding to said plurality of light load triggering periods claim 1 , said plurality of light load triggering periods being continuous claim 1 , said plurality of light load triggering parameters being different; and said operating signal satisfied said light load trigger condition is that said operating signal is equal to or exceeds one of said plurality ...

HIGH VOLTAGE CONVERTER FOR USE AS ELECTRIC POWER SUPPLY

An electric power supply is disclosed having high-voltage, direct-current (HVDC) circuitry comprising one or more DC pre-charge capacitors and one or more power transistor switches, the HVDC circuitry configured to receive high-voltage, direct-current (HVDC) input power of about 320 volts and/or greater and convert the HVDC input power to multi-phase, high-voltage, alternating-current (HVAC) output power of about 320 volts and/or greater; and low-voltage, direct current (LVDC) circuitry adapted and configured to operate on low-voltage, direct-current, wherein the LVDC circuitry is configured to control and monitor the multi-phase HVAC output power. The electric power supply is further configured to operate in reverse and convert received multiphase HVAC input power to HVDC output power. 1. An electric power supply , the electric power supply comprising:high-voltage, direct-current (HVDC) circuitry comprising one or more DC pre-charge capacitors and one or more power transistor switches, the HVDC circuitry adapted and configured to receive high-voltage, direct-current (HVDC) input power of about 320 volts or greater and convert the HVDC input power to multi-phase, high-voltage, alternating-current (HVAC) output power of about 320 volts or greater;low-voltage, direct current (LVDC) circuitry adapted and configured to operate on low-voltage, direct-current of about fifty volts or less, wherein the LVDC circuitry is configured to control and monitor the multi-phase HVAC output power; andDC to DC converter circuitry adapted and configured to receive and convert the low-voltage, direct-current to high-voltage, direct current of about 320 volts or greater to pre-charge the DC pre-charge capacitors.2. The electric power supply of claim 1 , wherein the DC to DC converter circuitry pre-charges the DC pre-charge capacitors during start-up and upon the DC pre-charge capacitors being charged to within a threshold of or to the HVDC input voltage claim 1 , the DC to DC converter ...

Motor drive, a method and a control unit for handling connection between a motor drive and a tvs in an at least partly electrically operated vehicle

A motor drive in a an at least partly electrically operated vehicle. Motor windings are connected to a positive pole of a TVS and a capacitor is connected to a negative pole when a first, third and sixth connecting units are in connected state and when a second, fourth and fifth connecting units are in disconnected state. The motor windings are connected to a negative pole of the TVS and the capacitor is connected to the positive pole when the first, third and sixth connecting units are in disconnected state and when the second, fourth and fifth connecting units are in connected state.

Power output apparatus and vehicle equipped with the same

动力输出设备和具有该动力输出设备的车辆

动力输出设备(100)在第一与第二电动发电机(MG1、MG2)的中性点(N1、N2)之间产生商用AC电压(Vac)。动力输出设备(100)包括漏电检测装置(40)，在漏电检测装置(40)检测到漏电时使AC输出截止电路(50)动作，并根据此时的运行状态停止第一与第二电动发电机(MG1、MG2)中的一个或二者。另外，在输出商用AC电压(Vac)之前，漏电检测装置(40)对来自控制装置(70)的测试信号(TZCT)做出响应地进行对漏电检测功能的检查。

电动助力转向装置

电动助力转向装置以容易进行通常时及异常发生时的方向盘操作为目的，包括具有2组绕组的电动机(2)、及具有向该电动机(2)的绕组分别提供控制信号的2组控制系统的控制单元(1)，构成为在所述电动机(2)的1组绕组或所述控制单元(1)内的一组系统发生了异常的情况下，使向异常发生组的绕组提供的供给电流为0，并向另一组绕组提供正常时所需的规定的供给电流，驱动所述电动机(2)，且在未发生异常的通常驱动时，构成为向2组绕组分担提供供给电流，驱动所述电动机(2)。

control device for inverter

一种用于逆变器的控制装置具有第一逆变器接口、第二逆变器接口和多个桥接支路，这些桥接支路分别具有第一半导体开关器、绕组接线端以及第二半导体开关器。这些绕组接线端与绕组组件相连。控制装置形成为输出控制信号，控制信号在第一工作状态下能够在这些桥接支路中的至少两个桥接支路中实现第一桥接支路状态和第二桥接支路状态，其中在第一桥接支路状态中与桥接支路相关联的第二半导体开关器导通地连接，并且其中在第二桥接支路状态中与桥接支路相关联的第二半导体开关器不导通地连接。这些桥接支路中的至少两个桥接支路暂时地同时处于第一桥接支路状态中，然后在不同的时间点执行这至少两个桥接支路向该第二桥接支路状态的切换。

A puise driving circuit of polyphase motor

펄스구동모터용 제어회로의 펄스 출력파형을 서로 겹치지 않는 독립적인 순차 펄스로 만들어 줌으로써 구동모터의 구동력 및 회전수를 증가시킬 수 있는 다상모터펄스 구동회로는, The multiphase motor pulse driving circuit which can increase the driving force and the rotational speed of the driving motor by making the pulse output waveform of the control circuit for the pulse driving motor into independent sequential pulses which do not overlap each other, 입력펄스에 따라 일련의 순차펄스 출력을 발생시키기 위해 복수의 직렬 R-S 플립플롭 및 노어게이트로 구성된 구동펄스 발생부(10)와, A drive pulse generator 10 comprising a plurality of series R-S flip-flops and a NOR gate to generate a series of sequential pulse outputs according to an input pulse, 상기 구동펄스 발생부(10)의 순차 펄스 출력을 복수의 앤드게이트에서 각각 입력펄스로 앤드링하여 서로 겹치는 시점을 가지지 않는 독립펄스 출력을 발생하는 파형 정형부(40)와, A waveform shaping unit 40 for generating an independent pulse output having no point of overlap with each other by ANDing the sequential pulse outputs of the driving pulse generator 10 into input pulses, respectively; 상기 파형 정형부(40)의 독립펄스 출력에 따라 모터(30)의 각 상코일에 전류를 흘려주게 되는 복수의 스위칭 트랜지스터를 가지는 모터 구동부(20)를 포함한다. And a motor driver 20 having a plurality of switching transistors for supplying current to each phase coil of the motor 30 according to the independent pulse output of the waveform shaping unit 40.

The generating equipment and its electric voltage frequency control method of off-grid operation

本发明提供一种离网运行的发电设备及其控制方法。发电设备包括：具有多相对称绕组的转子、具有单相绕组的定子、电压、电流和速度传感器以及励磁控制装置。定子单相绕组提供输出电压和励磁电压。励磁控制装置包括第一计算单元、第一调节单元、第二计算单元、第三计算单元和第二调节单元。第一计算单元根据电压传感器检测的输出电压和电流传感器检测的负载电流计算负载功率。第一调节单元根据计算的负载功率确定所需的发动机转速。第二计算单元用于至少根据速度传感器检测的转子或者发动机转速确定转差角。第三计算单元至少根据输出电压确定转子的目标电压值。第二调节单元利用转子目标电压值和转差角生成调节转子绕组中励磁电流幅值和频率的调节信号。

Two direction of rotation apparatus for motor

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Output circuit for motor driving integrated circuit

본 발명은 모터 구동 집적 회로의 출력단 회로에 관한 것이다. 본 발명은 모터를 구동하는 집적회로의 출력단 회로에 있어서, 제1 전류 미러, 상기 제1 전류 미러에 병렬로 연결된 제2 전류 미러, 상기 제1 및 제2 전류 미러들에 연결된 전류원, 상기 제2 전류 미러에 베이스가 연결되고 전원에 콜렉터가 연결된 제1 NPN 트랜지스터, 상기 모터의 타단에 콜렉터가 연결되고 베이스에 외부 제어 신호가 인가되는 제2 NPN 트랜지스터, 상기 제2 NPN 트랜지스터의 에미터와 접지단 사이에 연결된 저항, 및 상기 제2 NPN 트랜지스터의 에미터에 베이스가 연결되고 콜렉터는 상기 제1 미러에 연결되며 에미터는 접지단에 연결된 제3 NPN 트랜지스터를 구비함으로써 모터의 구동시 또는 모터의 미제어 회전시에 포화되는 것이 방지된다. The present invention relates to an output stage circuit of a motor drive integrated circuit. The present invention provides an output circuit of an integrated circuit for driving a motor, comprising: a first current mirror, a second current mirror connected in parallel to the first current mirror, a current source connected to the first and second current mirrors, and the second A first NPN transistor having a base connected to a current mirror and a collector connected to a power source, a second NPN transistor having a collector connected to the other end of the motor and an external control signal applied to the base, an emitter and a ground end of the second NPN transistor A resistor connected therebetween, and a base connected to the emitter of the second NPN transistor, the collector connected to the first mirror, and the emitter connected to the ground terminal, the third NPN transistor connected to the ground terminal, thereby driving or otherwise controlling the motor. Saturation at the time of rotation is prevented.

Outer rotor type multipolar generator

本发明提供外转子型多极发电机。将定子线圈和外部导线连接的连接端子不会在定子的绕线管上密集，能够确保用于连接作业的充分的空间，并且无论是否存在辅助线圈都能够共用绕线管。外转子型多极发电机具有配置了“3”的整数倍个突极(11)的定子铁心(10)和隔着绕线管(9)缠绕在突极(11)上的三相主线圈(17)。在与主线圈(17)的缠绕起始线圈和缠绕结束线圈所缠绕的连续6个突极(11)中的与两端的突极(11)分别隔开“3”的整数倍的间隔的位置上的3个突极(11)中的至少1个突极(11)上，代替主线圈(17)而缠绕辅助线圈(18)～(20)。辅助线圈彼此隔开“3”的整数倍的间隔配置，在辅助线圈为2个以下时，剩余的应该缠绕辅助线圈的位置的突极(11)不缠绕线圈而空着。

Semiconductor device

Driver circuitry

Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the driver circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.

The speed drive circuit of motor and fan electromotor

本发明提供了一种电机的调速驱动电路和风扇电机，其中，电机的调速驱动电路，包括：电机线圈；交流信号发生器，连接至电机线圈，用于向电机线圈提供交流信号；开关驱动模块，与电机线圈和交流信号发生器串联连接，能够形成驱动回路；脉冲信号发生器，设有第一组驱动接口和第二组驱动接口，第一组驱动接口连接至开关驱动模块的驱动端；续流模块，与电机线圈并联连接，续流模块的驱动端连接至第二组驱动接口，其中，第一组驱动接口的驱动信号与第二驱动接口的驱动信号是互补的脉冲信号。通过本发明技术方案，降低了电机噪声和电路抖动，提升了电机可靠性。

Controller and driving circuit for motor

描述了一种电机系统。该电机系统包括驱动电路，该驱动电路包括被配置为供应变频电流的逆变器和被配置为供应线路频率电流的接触器。电机系统还包括联接到驱动电路的电机，其中电机通信地联接到控制器。控制器被配置为控制逆变器以向电机供应变频电流，从而以一电机速度操作电机，并且基于至少一个输入参数确定逆变器可以实现的最大潜在电机速度。控制器还被配置为接收以线路频率电流操作电机的命令，并且在达到逆变器能够实现的最大潜在电机速度之前控制驱动电路从供应变频电流转变到供应线路频率电流。

AC power supplying system, power supply apparatus, and vehicle having the same

Upon power failure of a commercial power source, an automatic switching device switches to power supply from a hybrid vehicle. An ECU of the vehicle, when receiving a request for generation of a commercial AC voltage, sets an upper-limit power generation amount based on a remaining amount of fuel. The ECU transmits the upper-limit power generation amount via an antenna to an on-premises ECU, while controlling a power generation amount based on the upper-limit power generation amount. The on-premises, when receiving the upper-limit power generation amount, controls the load state such that commercial AC power is supplied firstly to a first load of priority level 1, according to proprieties registered in advance, and such that the amount of the power supplied to the electric loads does not exceed the upper-limit power generation amount.

Divided phase synchronous motor controller

모터용 상 권선 회로는 회로의 모터 상 권선의 절반부를 형성하는 적어도 2개의 상 권선 및 회로의 모터 상 권선의 나머지 절반부를 형성하는 적어도 2개의 다른 상 권선을 포함한다. 하나 이상의 상 권선으로부터 전달되는 교류 전류(AC) 전력을 수신하고 AC 전력을 DC 전력으로 변환하도록 직류 전류(DC) 전력 서플라이는 모터 상 권선의 중간점에 위치한다. 제1 스테이지 전력 스위치 회로는 DC 전력 서플라이 외부에 있으며 회로의 각각의 절반부의 상 권선 사이의 중간점에서 전기적으로 연결되는 적어도 하나의 전력 스위치를 포함한다. 제2 스테이지 전력 스위치 회로는 DC 전력 서플라이 외부에 위치하고, 모터 상 권선으로부터 AC 전력을 수신하기 위해 모터 상 권선의 중간점에서 전기적으로 연결되는 적어도 하나의 다른 전력 스위치를 포함한다. 비-붕괴 DC 전력 서플라이 구성요소가 적어도 하나의 전력 스위치가 온(on)이고 전도 상태일 때 DC 전력 서플라이가 붕괴(collapse)되는 것을 막는다. A phase winding circuit for a motor includes at least two phase windings forming half of the motor phase windings of the circuit and at least two other phase windings forming the other half of the motor phase windings of the circuit. A direct current (DC) power supply is located at the midpoint of the motor phase windings to receive alternating current (AC) power delivered from one or more phase windings and to convert the AC power to DC power. The first stage power switch circuit includes at least one power switch external to the DC power supply and electrically connected at a midpoint between the phase windings of each half of the circuit. The second stage power switch circuit includes at least one other power switch located external to the DC power supply and electrically coupled at a midpoint of the motor phase winding to receive AC power from the motor phase winding. A non-collapsing DC power supply component prevents the DC power supply from collapsing when at least one power switch is on and conducting.

Electric tool

本发明公开了一种电动工具，包括:无刷电机，可驱动地连接至输出轴以向输出轴施加旋转力；驱动电路，与无刷电机电性连接，用于驱动无刷电机；检测装置，用于检测无刷电机以获得一个与无刷电机的负载对应的负载参数；控制器，用于在无刷电机的负载参数超出第一预设范围时输出第一控制信号以使无刷电机的转速以第一斜率值降低。该电动工具能够接入交流电源，输出性能稳定。

Electric power steering apparatus

本发明的电动助力转向装置具有驱动电动机的两组控制单元，该电动机具有两组独立的绕组，利用单一的电源用连接器来提供电源，在电源用连接器附近将连接至电源用连接器的端子的导电构件至少分岔为2个，相对于电源用连接器对称地配置两组电源继电器、滤波器、逆变器电路。

Ac Power Supplying System, Power Supply Apparatus, and Vehicle Having the Same

Upon power failure of a commercial power source, an automatic switching device switches to power supply from a hybrid vehicle. An ECU of the vehicle, when receiving a request for generation of a commercial AC voltage, sets an upper-limit power generation amount based on a remaining amount of fuel. The ECU transmits the upper-limit power generation amount via an antenna to an on-premises ECU, while controlling a power generation amount based on the upper-limit power generation amount. The on-premises, when receiving the upper-limit power generation amount, controls the load state such that commercial AC power is supplied firstly to a first load of priority level 1, according to proprieties registered in advance, and such that the amount of the power supplied to the electric loads does not exceed the upper-limit power generation amount.

Induction Motor Operating System

본 발명은 3상 유도전동기 구동시스템에 관한 것으로써, 외부 입력 구동신호에 따라 3상 유도전동기로 인가전압을 인가하는 인버터부, 상기 인버터부로 공급되는 전원 사이의 간섭이 방지되도록 인쇄회로기판에 이격되어 배치되는 적어도 하나 이상의 전원부, 상기 3상 유도전동기가 구동되도록 상기 전원부에서 상기 인버터부를 통해 입력되는 펄스폭 변조 구동신호를 생성 출력하는 마이컴부, 상기 마이컴부의 그라운드와 상기 전원부의 그라운드가 분리되도록 상기 마이컴부에서 출력되는 구동신호에 따라 온/오프되는 적어도 하나 이상의 포토커플러, 인쇄회로기판에 서로 이격되어 배치되어 포토커플러가 온되는 경우 전압 사이의 간섭없이 상기 전원부의 전원을 상기 인버터부의 스위치로 인가하는 적어도 하나 이상의 구동소자로 구성되어, 비정상 누설현상 등을 방지하고 3상 유동전동기의 전압으로 인한 영향을 최소화할 수 있는 효과가 있다. The present invention relates to a three-phase induction motor driving system, the inverter unit for applying the applied voltage to the three-phase induction motor according to the external input drive signal, spaced apart from the printed circuit board to prevent interference between the power supplied to the inverter unit. And at least one power supply unit, a micom unit for generating and outputting a pulse width modulation driving signal inputted through the inverter unit from the power unit so as to drive the three-phase induction motor, and the ground of the microcomputer unit and the ground of the power unit are separated. At least one photocoupler on / off according to the driving signal output from the microcomputer unit and the printed circuit board are spaced apart from each other when the photocoupler is turned on to apply the power of the power supply unit to the switch of the inverter unit without interference between voltages Is composed of at least one driving element, Prevent such a leakage phenomenon, there is an effect that it is possible to minimize the impact of the voltage of the three-phase induction motor.

AC machine controlled via amplitude modulation

交流(AC)马达不依赖于功率频率旋转，因此在尺寸和可控性方面具有优势。通过使用调幅输入在气隙上产生振荡旋转磁场。较高的频率(载波)是功率输入，并且较低的频率(信号)决定马达的速度。定子和转子作为变压器的初级和次级工作，转子绕组布置为使得转子在与定子磁场对准时在绕组内产生的合成电动势(EMF)保持为0，并在偏离时增加。在偏离的转子绕组上产生的电流产生推回扭矩，使转子与磁场对准。这将磁场和转子互锁。在定子绕组的任一端处施加两个不同的频率，使得流过每个绕组的电流被调幅，两个频率的平均值成为载波频率，并且控制频率为两个频率之间的差值的一半。

Divided phase ac synchronous motor controller

분할 상 권선 회로는, 모터 분할 상 권선과, 상기 분할 모터 상 권선의 중간점에서 적어도 하나의 전력 스위치 및 직류(DC) 공급 회로를 모두 포함하는 전력 스위치 회로와, 적어도 하나의 전력 스위치가 온 상태로서 전도 중일 때 DC 전력 공급원의 붕괴를 방지하기 위한, 비-붕괴형 DC 전력 공급 구성요소를 포함한다. 상기 비-붕괴형 DC 전력 공급 구성요소는 상기 DC 전력 공급원에 전기적으로 연결되는 모터 분할 상 권선으로부터의 탭과, 상기 전력 공급원에 전력 공급을 위해 DC 전력 공급원에 연결되는 2차 상 코일 권선과, 분할 상 권선과 전력 스위치 회로 사이의 하나 이상의 저항기와, 상기 분할 상 권선과 상기 전력 스위치 회로 사이의 하나 이상의 제너 다이오드, 및/또는, 상기 전력 스위치 회로 내 적어도 하나의 전력 스위치가 온 상태로서 전도 중일 때 상기 전력 공급원의 붕괴를 방지하기 위해 상기 모터 분할 상 권선과 상기 전력 스위치 회로 간에 전압 강하를 생성하기 위한 전기 구성요소 중 하나 이상을 포함할 수 있다. The divided phase winding circuit includes a motor divided phase winding, a power switch circuit including both at least one power switch and a direct current (DC) supply circuit at an intermediate point of the divided motor phase winding, and at least one power switch is turned on. And a non-disintegrating DC power supply component to prevent collapse of the DC power supply when conducting as. The non-destructive DC power supply component includes a tap from a motor split phase winding electrically connected to the DC power supply, and a secondary phase coil winding connected to the DC power supply for supplying power to the power supply, At least one resistor between the divided phase winding and the power switch circuit, at least one Zener diode between the divided phase winding and the power switch circuit, and/or at least one power switch in the power switch circuit is in an ON state and is conducting. In order to prevent collapse of the power supply source, at least one of the electrical components for generating a voltage drop between the motor division phase winding and the power switch circuit may be included.

Electric machine controller and vehicle

本发明公开了一种电机控制器及车辆，所述电机控制器包括功率板，与所述功率板电连接有用于直流电输入的直流输入端口以及两组用于交流电输出的三相交流输出端口，所述功率板上设置有用于将所述直流输入端口输入的直流电转化为用于所述交流输出端口输出的交流电的转化器件。本发明提供的电机控制器及车辆，可以解决低压电机控制器大功率设计的问题，可以使得(例如)48V电机控制器满足需要较大功率的车型降低油耗的要求。

Regenerative inverter and regenerative converter apparatus using regenerative inverter

본 발명은 단상의 인버터 회로를 회생 인버터로 이용하여 제조 비용을 줄일 수 있는 회생인버터 장치 및 회생인버터 장치를 이용하는 회생컨버터 장치를 제공한다. 본 발명의 전동기의 회생에너지를 변환하는 회생컨버터 장치는, 전력계통으로부터 3상의 AC 전원을 입력받아 직류로 변환하는 컨버터와, 컨버터의 컨버터 출력전력을 저장하는 DC 링크와, 컨버터 출력전력을 전동기에 적합한 주파수의 교류로 변환하는 제1 인버터와, 전동기의 회생 에너지를 교류전원으로 변환하는 단상의 제2 인버터와, 제2 인버터의 단상 출력 전력을 3상의 AC 전원으로 전달하는 전달부와, 제1 인버터 및 제2 인버터를 구동하는 게이트 드라이버와, 게이트 드라이버를 제어하며, 컨버터에서 출력되는 전력의 직류전압(V dc )이 한계전압 이상으로 상승하면, DC 링크에 축적되는 전력을 전력계통으로 환원하도록 제2 인버터를 제어하는 제어부를 포함한다.

Switching device for a single-phase motor and a three-phase motor

Schaltgerät (4) für einen Einphasenmotor (16) und einen Drehstrommotor (14), wobei das Schaltgerät (4) eine Verarbeitungseinheit (6) und eine erste, zweite und dritte Strombahn (1, 2, 3) umfasst, wobei lediglich die erste und dritte Strombahn (1, 3) jeweils einen Stromwandler (5) umfassen, wobei die Verarbeitungseinheit (6) mittels der Stromwandler (5) den Strom I1 der ersten Strombahn (1) und den Strom I3 der dritten Strombahn (3) erfassen kann, dadurch gekennzeichnet, dass die Verarbeitungseinheit (6) über die Phasenverschiebung zwischen erfassten Strömen I1, I3 der ersten und dritten Strombahn (1, 3) die vorliegende Betriebsart des Schaltgerätes (4) feststellt, wobei die Verarbeitungseinheit (6) derart ausgebildet ist, dass sie zum Feststellen der vorliegenden Betriebsart des Schaltgerätes (4) innerhalb eines Zeitintervalls mehrmalig gleichzeitig die Ströme I1, I3 der ersten und dritten Strombahn (1, 3) erfasst und hierbei entweder die erste Anzahl der positiv erfassten Ströme I1, I3 der ersten oder dritten Strombahn (1, 3) sowie die zweite Anzahl der gleichzeitig positiv erfassten Ströme I1, I3 der ersten und dritten Strombahn (1, 3) ermittelt oder die erste Anzahl der negativ erfassten Ströme I1, I3 der ersten oder dritten Strombahn (1, 3) sowie die zweite Anzahl der gleichzeitig negativ erfassten Ströme I1, I3 der ersten und dritten Strombahn (1, 3) ermittelt und anschließend überprüft, ob die zweite Anzahl größer ist als mindestens 66% der ersten Anzahl. Switching device (4) for a single-phase motor (16) and a three-phase motor (14), the switching device (4) comprising a processing unit (6) and a first, second and third current path (1, 2, 3), only the first and third current path (1, 3) each comprise a current transformer (5), whereby the processing unit (6) can use the current transformers (5) to detect the current I1 of the first current path (1) and the current I3 of the third current path (3), thereby characterized in that the processing unit (6) ...

HYBRID AC GENERATOR WITH VOLTAGE REGULATOR

driver circuit

제 1 샘플 레이트(sample rate)에서 디지털 기준 신호에 기초한 구동 출력 신호 - 구동 출력 신호는 전기 기계적 부하에서 제 1 전기량(electrical quantity)을 유도함 - 로 전기 기계적 부하를 구동하기 위한 드라이버 회로로서, 상기 제 1 전기량에 기초하여, 상기 제 1 전기량으로 인해 드라이버 회로의 타겟 출력 임피던스에서 유도될 수 있는 제 2 전기량을 나타내는 조정 신호를 제 1 샘플 레이트보다 높은 제 2 샘플 레이트에서 디지털 방식으로 결정하도록 구성된 기능 블록과, 기준 신호 및 조정 신호에 기초하여 구동 출력 신호를 생성하여, 드라이버 회로의 출력 임피던스가 타겟 출력 임피던스를 포함하도록 조정된 것처럼 구동 출력 신호가 행동하게 하도록 구성된 드라이버를 포함하고, 여기서 제 1 전기량은 전류이고 제 2 전기량은 전압이거나, 또는 그 반대이다.

Pump assembly and controlling method

High power permanent magnet synchronous motor energy bleeder and control method

本发明公开了一种大功率永磁同步电机能量泄放装置，由逆变模块、能量泄放模块、母线电压检测模块、三相线电压检测模块、控制器及大功率永磁同步电机相互连接组成，通过能量泄放模块在永磁同步电机停机时对剩余能量进行泄放。本发明实现对大功率永磁同步电机能量泄放及泄放过程控制，对原有电路的改造简单、成本低，实现对能量泄放过程的柔性，稳定母线电压，防止对运行系统造成损害。

Low-voltage alternating-current servo motor driving device

本发明属于工业控制领域，具体涉及一种低压交流伺服电机驱动装置，包括伺服控制板以及伺服驱动板，所述伺服控制板连接于所述的伺服驱动板。所述伺服控制板包括数据处理单元、核心算法单元、检测单元、控制单元，所述数据处理单元包括光纤接口，可提供高通信速率。本发明所述的低压交流伺服电机驱动装置采用光纤作为通信的媒介提高传输速度可满足高实时性场合的要求。

power converter

Series-parallel driving system for electric vehicles

一个或多个计算机的系统可以配置为通过在该系统上安装在操作中导致系统执行动作的软件、固件、硬件或其组合来执行特定操作或动作。一个或多个计算机程序可以配置为通过包括在由数据处理装置执行时使该装置执行动作的指令来执行特定操作或动作。一个总体方面包括串并联式电动车辆驱动系统，其包括与具有串联的绝缘栅双极型晶体管(IGBT)和并联的IGBT的至少一个逆变器电路可通信地连接的控制器。该系统包括连接到逆变器电路的DC电源和连接到逆变电路的输出端的马达的绕组，其中逆变器电路生成马达控制信号。

Optimized brushless DC motor drive system

대응하는 위상에서 활성화되는 개별 코일에 의해 구현된 극을 갖는 BLDC 모터용 구동 시스템이 개시된다. 이 BLDC 모터용 구동 시스템은 개별 코일에 공급되는 입력 전압의 레벨 및 위상을 제어하는 컨트롤러; 컨트롤러에 의해 결정된, 각 입력 전압에 대한 원하는 타이밍에 위상 분리된 입력 전압을 각각의 개별 코일에 인가하기 위한, 출력을 갖는 제어된 인버터; 제어된 인버터에 전력을 공급하기 위한 전원; 컨트롤러에서 제공하는 커맨드 신호에 따라 급전 전원을 입력 전압으로 변환하는 업/다운 DC-DC 컨버터를 포함한다. 이 컨트롤러는 BLDC 모터의 회전자의 순간각을 샘플링하고; 입력 전력(P)을 획득하기 위해 각 위상의 입력 전압 및 전류를 샘플링하고; 그리고 각 입력 전압에 대해, 입력 전력에 대응하는 위상차 값을 계산하고 그리고 위상차 값을 업/다운 DC-DC 컨버터에 공급함으로써, 업/다운 DC-DC 컨버터로 하여금 각각의 입력 전압과 대응하는 코일에 축적되는 전류 간의 최적의 정합을 얻기 위해 특정 타이밍에 그것의 대응하는 코일에 각각의 입력 전압을 인가하도록 조정된다.

Electric drive device and control method for same

Provided is an electric drive device which controls a current supplied to coils during normal operation so as to be less than a current limit value when normal, which is determined from heat generating properties and heat radiating properties of a thermally coupled body that includes the coils and an inverter circuit. When an abnormality in each group or each phase of the coils and the inverter circuit is detected, the supply of current to all phases of a group suffering an abnormality in the coils, or to a phase that is not capable of continuous operation, is stopped or reduced; and the limit value of the current supplied to a coil that is capable of continuous operation is reset to a current limit value in the event of abnormality, which is larger than the current limit value when normal, within the range of improvement of the heat generating properties of the thermally coupled body due to the stopping or reduction of the supply of current.

A kind of motor driver and stator DC excitation electromotor system

本发明公开了一种电机驱动装置及定子直流励磁电机系统，该装置包括多个相桥臂和1个中性点桥臂，一个相桥臂、中性点桥臂以及被驱动电机的一相绕组构成电流回路，通过控制相桥臂的导通方向和导通时间控制靠近相桥臂的绕组端电压和电压持续时间，通过控制中性点桥臂的导通方向和导通时间控制靠近中性点桥臂端的绕组端电压和电压持续时间，从而实现控制绕组两端电压大小和电压时间，实现控制绕组两端电流大小和电流方向。由中性点桥臂作为公共桥臂，减少了N‑1个桥臂，进而减少了4N‑4个开关元件数量，大大缩减了驱动器的成本，提高了功率密度。

Apparatus for supplying power to a stator winding as soon as it has a plurality of winding sections

DEVICE FOR COUPLING AN ASYNCHRONOUS MOTOR TO AN ELECTRIC POWER CABLE, AN ASYNCHRONOUS MOTOR, AND METHOD OF COUPLING AN ASYNCHRONOUS MOTOR TO AN ELECTRIC POWER CABLE

Ac generator control with drive of auxiliary foreunits

FIELD: electrical engineering.SUBSTANCE: group of inventions refers to the electric generator of vehicles. Electrical machine comprises a housing, a first excitation winding, a first armature winding, a second excitation winding, a second armature winding and a controller. In this case, the first excitation winding and the first winding of the armature are covered by the second excitation winding and the second winding of the armature. Controller contains instructions in memory for regulating the current supplied to the second excitation winding to control the speed of the foreunit. Second armature winding supports the armature of the second armature winding, the armature of the second armature winding is mechanically connected to the carcass of the first winding of the armature. In this case, the second winding of the armature is covered by the second excitation winding. Also, a variant is stated in which the first winding of the armature and the second armature winding support a single armature winding frame. Controller also contains instructions in memory for dividing the recoil of the two generators forming the electric machine, so that the first generator gives the same amount of power as the second generator of the electric machine.EFFECT: technical result consists in improving the speed regulation of the drive of the auxiliary foreunits.20 cl, 12 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 666 888 C2 (51) МПК H02P 9/14 (2006.01) H02P 7/18 (2006.01) H02K 1/06 (2006.01) H02K 16/00 (2006.01) H02K 51/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H02P 9/14 (2018.05); H02P 7/18 (2018.05); H02K 1/06 (2018.05); H02K 16/00 (2018.05); H02K 51/00 (2018.05); B60L 2220/50 (2018.05) (21)(22) Заявка: 2017104304, 09.02.2017 09.02.2017 (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) Дата регистрации: 12.09.2018 Приоритет(ы): (30) Конвенционный приоритет: 2007046124 A1, 01.03.2007. RU 2131164 C1, 27 ...

Alternator boost method

The present invention is directed to a means of boosting the voltage output of an alternator utilizing the armature coils of the alternator as part of the boost circuit. This invention can enable refined control strategies for operating a plurality of engine systems during propulsion, idling and braking and is applicable to large systems such as trucks, ships, cranes and locomotives utilizing diesel engines, gas turbine engines, other types of internal combustion engines, fuel cells or combinations of these that require substantial power and low emissions utilizing multiple power plant combinations.

Drive system for a fluid compression device and associated power supply method

L’invention concerne un système d’entraînement comportant : - un onduleur (6) comportant N bras, chaque bras comprenant un demi-bras supérieur et un demi-bras inférieur comportant chacun au moins un module de commutation ; - une machine tournante (8) connectée à l’onduleur, dont le rotor comprend au moins un élément magnétique réalisé dans un matériau à aimantation modulable ; et - un dispositif de commande (12) configuré pour, au cours d’une étape de magnétisation, commander l’onduleur pour, simultanément : • pour chacun parmi m bras, placer chaque module de commutation du demi-bras supérieur dans l’état passant, et chaque module de commutation du demi-bras inférieur dans l’état bloqué ; • pour chacun parmi k autres bras, placer chaque module de commutation du demi-bras supérieur dans l’état bloqué, et chaque module de commutation du demi-bras inférieur dans l’état passant ; et • pour chacun des bras restants, placer chaque module de commutation dans l’état bloqué. Figure pour l’abrégé : Figure 1 The invention relates to a drive system comprising: - an inverter (6) comprising N arms, each arm comprising an upper half-arm and a lower half-arm each comprising at least one switching module; - a rotating machine (8) connected to the inverter, the rotor of which comprises at least one magnetic element made of a flexible magnetization material; and - a control device (12) configured to, during a magnetization step, control the inverter to simultaneously: • for each of m arms, place each switching module of the upper half-arm in the state passing, and each switching module of the lower half-arm in the blocked state; • for each of k other arms, place each switching module of the upper half-arm in the blocked state, and each switching module of the lower half-arm in the on state; and • for each of the remaining arms, place each switch module in the blocked state. Figure for the abstract: Figure 1

DEVICE FOR COUPLING AN ASYNCHRONOUS MOTOR TO AN ELECTRIC POWER CABLE, AN ASYNCHRONOUS MOTOR, AND METHOD OF COUPLING AN ASYNCHRONOUS MOTOR TO AN ELECTRIC POWER CABLE

L'invention concerne un dispositif de couplage d'un moteur asynchrone à un câble d'alimentation électrique comportant une embase (100), destinée à être reliée au moteur asynchrone, de manière à ce que chacun des six fils (17, 18, 19, 20, 21, 22) du moteur asynchrone corresponde à un contact (103) de l'embase triphasée, une fiche destinée à être reliée au câble d'alimentation électrique, de manière à ce que chacun des trois fils du câble d'alimentation électrique corresponde à un contact de la fiche, et au moins un shunt (110) comportant au moins deux barrettes de connexion (111, 112) destinées chacune à coupler deux contacts de l'embase triphasée. L'invention concerne également un moteur asynchrone muni d'un tel dispositif de connexion et un procédé de couplage d'un moteur asynchrone.

SPIM motor drive circuit and method

本发明提供一种SPIM电机驱动电路及方法，包括驱动器和交流单元；所述驱动器包括整流单元、直流母线、第一逆变单元和第二逆变单元，所述整流单元与所述直流母线相连，所述直流母线分别与所述第一逆变单元和所述第二逆变单元相连，所述第一逆变单元通过第一开关与所述SPIM电机的第一绕组相连；所述第二逆变单元与SPIM电机的第二绕组相连；所述交流单元包括输入交流电、第二开关和电容；所述输入交流电通过第二开关和所述电容与所述第一绕组相连，且与所述整流单元的输入端相连。本发明的SPIM电机驱动电路及方法能够实现较小的启动电流和较小的能量损耗，可以实现SPIM电机的变频和工频驱动，且在工频运行条件下仅需提供SPIM电机所需的部分能量。

The motor of wireless power

一种用于控制电动机的方法和装置。通过传输线圈和绕组之间的无线磁性耦合将电力传输到电动机的绕组。

Driver circuitry

Driver circuitry for driving an electromechanical load with a drive output signal based on a digital reference signal at a first sample rate, the drive output signal inducing a first electrical quantity at the electromechanical load, the drive r circuitry comprising: a function block configured, based on said first electrical quantity, to digitally determine at a second sample rate higher than the first sample rate an adjustment signal indicative of a second electrical quantity which would be induced at a target output impedance of the driver circuitry due to said first electrical quantity; and a driver configured to generate the drive output signal based on the reference signal and the adjustment signal to cause the drive output signal to behave as if an output impedance of the driver circuitry has been adjusted to comprise the target output impedance, wherein the first electrical quantity is a current and the second electrical quantity is a voltage, or vice versa.

Control system for motor

一种用于电机的控制系统，该控制系统包括：第一控制装置，被配置为控制电机的第一线圈组中的电流；以及第二控制装置，被配置为控制电机的第二线圈组中的电流；其中第一控制装置包括第一接口构件，第一接口构件用于从第一控制器接收数据，以允许第一控制装置确定第一线圈组中的所需电流，其中第一接口构件被配置为将数据传送至第二控制装置，以允许第二控制装置确定第二线圈组中的所需电流。