CIRCUIT AND CONTROL METHOD THEREFOR

CIRCUIT AND CONTROL METHOD THEREFOR

This application provides a circuit, including: a first circuit unit, where a first end of the first circuit unit is configured to connect to an output end of a first inverter, a second end of the first circuit unit is configured to connect to a motor, and the first circuit unit is configured to be...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHENG, Hao, LIANG, Chen, QUE, Fasong
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
PERFORMING OPERATIONS
TRAILERS
TRANSPORTING
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Beschreibung
Zusammenfassung:This application provides a circuit, including: a first circuit unit, where a first end of the first circuit unit is configured to connect to an output end of a first inverter, a second end of the first circuit unit is configured to connect to a motor, and the first circuit unit is configured to be in a disconnected state under a first condition; and a second circuit unit, where the second circuit unit is configured to absorb an energy shock, a first end of the second circuit unit is connected to the first end of the first circuit unit, and a second end of the second circuit unit is connected to the second end of the first circuit unit. With the second circuit unit disposed, a counter electromotive force generated by the motor can be effectively absorbed, to prevent a failure of the first circuit unit caused by a shock of the counter electromotive force to the first circuit unit, thereby protecting normal running of a drive circuit, and preventing the motor from being stuck. This improves safety performance of a vehicle.