Technical solutions are described for controlling operation of an electric machine such as a permanent magnet synchronous motor (PMSM) drive or motor control system to limit battery current and protect a battery from excessive discharging or charging current from the PMSM drive. Systems and methods employ a torque control algorithm for PMSMs that uses a battery current limit constraint when generating current commands during each of a maximum torque per ampere (MTPA) operation, and maximum torque per voltage (MTPV) operation. Torque search operations are performed in each of the MTPA and MTPV operation regions in a PMSM drive system until current commands are achieved under a given battery current limit constraint and while maintaining maximum voltage utilization throughout all PMSM operation regions.


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    Titel :

    BATTERY CURRENT LIMITING OF PERMANENT MAGNET SYNCHRONOUS MOTOR DRIVES USING OPERATION CONDITION MONITORING


    Beteiligte:
    LI HAIBO (Autor:in) / PRAMOD PRERIT (Autor:in) / NAMBURI KRISHNA MPK (Autor:in) / ZHANG ZHE (Autor:in)

    Erscheinungsdatum :

    20.05.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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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