A power conversion device includes a first inverter, a second inverter, first and second controller to control the first and second inverters, and a driving circuit to apply a control signal to turn on the low side switch elements of the first inverter when a fault occurs on the first inverter side, and apply a control signal to turn on the low side switch elements of the second inverter when a fault occurs on the second inverter side. The first power voltage generated on the first inverter side is supplied to the driving circuit when a fault occurs on the second inverter side, and the second power voltage generated on the second inverter side is supplied to the driving circuit when a fault occurs on the first inverter side.


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    Title :

    Power conversion device, motor module, electric power steering device


    Contributors:

    Publication date :

    2022-06-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / 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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