RU2009143449A - ASYNCHRONOUS MOTOR SPEED CONTROL DEVICE - Google Patents
ASYNCHRONOUS MOTOR SPEED CONTROL DEVICE Download PDFInfo
- Publication number
- RU2009143449A RU2009143449A RU2009143449/07A RU2009143449A RU2009143449A RU 2009143449 A RU2009143449 A RU 2009143449A RU 2009143449/07 A RU2009143449/07 A RU 2009143449/07A RU 2009143449 A RU2009143449 A RU 2009143449A RU 2009143449 A RU2009143449 A RU 2009143449A
- Authority
- RU
- Russia
- Prior art keywords
- voltage
- link
- capacitive
- divider
- frequency converter
- Prior art date
Links
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Inverter Devices (AREA)
- Rectifiers (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
1. Устройство для управления скоростью асинхронного электродвигателя, содержащее активный выпрямитель сетевого напряжения, инвертор напряжения, емкостный делитель напряжения в звене постоянного тока, отличающееся тем, что, с целью увеличения допустимой мощности устройства при питании от однофазной сети переменного напряжения, активный выпрямитель сетевого напряжения выполнен по мостовой схеме, вход переменного тока активного выпрямителя подключен к выводам двух последовательно и согласно включенных вторичных обмоток сетевого трансформатора, к выходу активного выпрямителя подключен емкостный делитель в звене постоянного тока преобразователя частоты, средняя (общая) точка вторичных обмоток трансформатора соединена со средней (общей) точкой конденсаторов емкостного делителя в звене постоянного тока преобразователя частоты, а три фазы асинхронного электродвигателя подключены к соответствующим плечам инвертора напряжения. ! 2. Устройство по п.1, отличающееся тем, что, с целью упрощения устройства, две фазы асинхронного электродвигателя подключены к двум плечам инвертора напряжения, а третья фаза асинхронного электродвигателя подключена к средней точке конденсаторов емкостного делителя напряжения в звене постоянного тока преобразователя частоты. ! 3. Устройство по п.1, отличающееся тем, что, с целью упрощения устройства, активный мостовой выпрямитель сетевого напряжения выполнен на диодах, два последовательно включенных плеча которого шунтированы встречно включенными транзисторами. 1. A device for controlling the speed of an asynchronous electric motor, containing an active rectifier of the mains voltage, a voltage inverter, a capacitive voltage divider in the DC link, characterized in that, in order to increase the permissible power of the device when powered from a single-phase AC voltage, the active rectifier of the mains voltage is made by a bridge circuit, the AC input of the active rectifier is connected to the terminals of two in series and according to the included secondary windings of the network transformer, a capacitive divider in the DC link of the frequency converter is connected to the output of the active rectifier, the middle (common) point of the secondary windings of the transformer is connected to the middle (common) the point of the capacitors of the capacitive divider in the DC link of the frequency converter, and the three phases of the induction motor are connected to the corresponding arms of the voltage inverter. ! 2. The device according to claim 1, characterized in that, in order to simplify the device, two phases of the induction motor are connected to two arms of the voltage inverter, and the third phase of the induction motor is connected to the midpoint of the capacitors of the capacitive voltage divider in the DC link of the frequency converter. ! 3. The device according to claim 1, characterized in that, in order to simplify the device, the active bridge rectifier of the mains voltage is made on diodes, the two consecutive arms of which are shunted by counter-connected transistors.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009143449/07A RU2424612C1 (en) | 2009-11-24 | 2009-11-24 | Speed control device of asynchronous electric motor (versions) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009143449/07A RU2424612C1 (en) | 2009-11-24 | 2009-11-24 | Speed control device of asynchronous electric motor (versions) |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2009143449A true RU2009143449A (en) | 2011-05-27 |
RU2424612C1 RU2424612C1 (en) | 2011-07-20 |
Family
ID=44734604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2009143449/07A RU2424612C1 (en) | 2009-11-24 | 2009-11-24 | Speed control device of asynchronous electric motor (versions) |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2424612C1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102508071B (en) * | 2011-11-03 | 2014-07-02 | 天津电气传动设计研究所 | Rated capacity test method of active front end voltage-type alternating current-direct current-alternating current frequency converter |
DE102012203103B4 (en) * | 2012-02-29 | 2018-01-11 | Siemens Aktiengesellschaft | Voltage conversion device and rail vehicle with a voltage conversion device |
RU185695U1 (en) * | 2017-12-22 | 2018-12-14 | Аркадий Анатольевич Степанов | ECONOMIC FEEDBACK INDUCTION INVERTER |
RU2721864C1 (en) * | 2019-01-10 | 2020-05-25 | Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" | Vehicle electromotive installation |
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2009
- 2009-11-24 RU RU2009143449/07A patent/RU2424612C1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2424612C1 (en) | 2011-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20181125 |