A control method of inverter for driving motor including a magnet, comprises detecting a rotation state of the motor by a rotation sensor, detecting current of the motor by a current sensor, calculating, based on a torque command value, a detection value of the rotation state detected by the rotation sensor, and detection current detected by the current sensor, a voltage command value for controlling a voltage of the motor by a controller for controlling the inverter, specifying a value of at least one of a local maximum value, a local minimum value, and an average value of the torque voltage command value included in the voltage command value as a torque determination target command value by the controller, comparing a demagnetizing determination threshold value with the torque determination target command value by the controller, and determining whether or not demagnetization of the magnet occurs in accordance with the compared result.


    Access

    Download


    Export, share and cite



    Title :

    INVERTER CONTROL METHOD AND INVERTER CONTROL DEVICE


    Additional title:

    WECHSELRICHTERSTEUERUNGSVERFAHREN UND WECHSELRICHTERSTEUERUNGSVORRICHTUNG
    PROCÉDÉ DE COMMANDE D'ONDULEUR ET DISPOSITIF DE COMMANDE D'ONDULEUR


    Contributors:

    Publication date :

    2022-02-09


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD

    HARADA SHINGO / ENOKI KEIICHI / WATANABE MASUTAKA et al. | European Patent Office | 2018

    Free access

    Inverter control device and inverter control method

    HARADA SHINGO / ENOKI KEIICHI / WATANABE MASUTAKA et al. | European Patent Office | 2018

    Free access

    INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD

    NAGAYAMA KAZUTOSHI | European Patent Office | 2016

    Free access

    Inverter control device and inverter control method

    SHOUJI MITSUHIRO | European Patent Office | 2015

    Free access

    INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD

    NAKAMURA TOSHIYUKI / KAWAMURA HIROMICHI | European Patent Office | 2020

    Free access