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.
CIRCUIT AND CONTROL METHOD THEREFOR
SCHALTUNG UND STEUERUNGSVERFAHREN DAFÜR
CIRCUIT ET PROCÉDÉ ASSOCIÉ DE COMMANDE
2024-10-09
Patent
Electronic Resource
English
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B62D MOTOR VEHICLES , Motorfahrzeuge / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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