A motor control system comprises: a motor comprising motor windings; and electric control units connected with the motor, each of the electric control units comprising an inverter. One of the electric control units comprises: a direct current (DC) bus; first switches, each of the first switches connected with a respective one of the motor windings; second switches, each of the second switches connected with the DC bus and a respective one of the motor windings; a first switch driver generating drive signals to drive the first and second switches; pull up resistors, each of the pull up resistors connected between the DC bus and a respective one of the second switches. The voltage pulled up by the pull up resistors can force the second switches to be turned on to short the motor windings in a state that the first switch driver does not generate the drive signals.


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    Title :

    Motor control system and method for selectively shorting motor windings


    Contributors:
    HOSSAIN SHAKIL (author) / RITTER LUCAS (author) / ALI AWAB (author) / SEBASTIAN TOMY (author) / HUDSON KADE (author)

    Publication date :

    2022-01-11


    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



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