Technical solutions are described for inverter commutation techniques for five-phase synchronous motor drives. An example method for five-phase motor control of a five-phase motor in a steering system includes receiving, by a processing device, a commanded modulation index mi, a phase advance angle δ, and a measured position θm. The method further includes generating, by the processing device, five duty cycles for each phase of the five-phase motor based at least in part on the commanded modulation index mi, the phase advance angle δ, and the measured position θm. Each of the duty cycles includes a fundamental component and an injected harmonic component. The method further includes performing, by the processing device, a pulse width modulation technique on each of the five duty cycles to generate on-times for a plurality of switches in phase legs of an inverter.


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    Title :

    INVERTER COMMUTATION TECHNIQUES FOR FIVE-PHASE SYNCHRONOUS MOTOR DRIVES


    Contributors:
    PRAMOD PRERIT (author) / ZHANG ZHE (author) / ARAFAT AKM (author)

    Publication date :

    2020-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



    Inverter commutation techniques for five-phase synchronous motor drives

    PRAMOD PRERIT / ZHANG ZHE / ARAFAT A K M | European Patent Office | 2020

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