PROBLEM TO BE SOLVED: To suppress discomfort caused by torque variation when shutdown-controlling an inverter due to an excessive voltage abnormality in a vehicle that drives front and rear wheels with a permanent magnet motor 20 and an induction motor 22.SOLUTION: If an excessive voltage in first and second inverters 30, 34 is detected when a first motor is in a weak field operation and acceleration of a vehicle is required, the first inverter 30 that drives the permanent magnet motor 20 is drive-controlled while the second inverter 34 that drives the induction motor 22 is shutdown-controlled. Thus maintaining the operation of the first inverter 30 allows no generation of braking torque that is otherwise generated when the permanent magnet motor 20 is stopped, accordingly suppressing generation of discomfort.

    【課題】永久磁石電動機20と誘導電動機22で前輪および後輪を駆動する車両において、過電圧異常によりインバータをシャットダウン制御する際に、トルクの変動による違和感を抑制する。【解決手段】第1電動機が弱め界磁運転中であり、車両の加速が要求されているときに、第1および第2インバータ30,34の過電圧を検知されたとき、永久磁石電動機20を駆動する第1インバータ30を運転制御し、誘導電動機22を駆動する第2インバータ34をシャットダウン制御する。第1インバータ30の運転を維持するので、永久磁石電動機20を停止したときに生じる制動トルクの発生がなく、違和感の発生が抑制される。【選択図】図2


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    Title :

    VEHICULAR DRIVE MOTOR CONTROL APPARATUS


    Additional title:

    車両の駆動電動機制御装置


    Contributors:
    SATO RYOJI (author)

    Publication date :

    2015-12-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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