PROBLEM TO BE SOLVED: To provide a permanent magnet synchronous motor, an electric vehicle drive system, and an electric vehicle in which overheat of a permanent magnet synchronous motor and overheat of wiring between a position where short circuit or earth fault occurs and the motor, can be prevented, when short circuit or earth fault occurs on an electric wire which is wired between an inverter device and the permanent magnet synchronous motor.SOLUTION: The permanent magnet synchronous motor is a permanent magnet synchronous motor provided on the electric vehicle drive system of an electric vehicle. The permanent magnet synchronous motor has a motor opening switch for controlling so that voltage generated by a motor part provided on a motor is not compressed by an output terminal, by blocking an own switch.

    【課題】電気車においてインバータ装置と永久磁石同期モータの間に配線された電線が短絡または地絡した場合に、永久磁石同期モータが過熱すること、および、短絡または地絡した箇所とモータとの間の配線が過熱することを防止する永久磁石式同期モータ、電気車駆動システム、及び電気車を提供することである。【解決手段】永久磁石式同期モータは、電気車の電気車駆動システムが備える永久磁石式同期モータである。永久磁石式同期モータは、自スイッチを遮断することにより、モータが備えるモータ部が発電した電圧が出力端子に加圧されないように制御するモータ開放スイッチを備える。【選択図】図1


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    Title :

    PERMANENT MAGNET SYNCHRONOUS MOTOR, ELECTRIC VEHICLE DRIVE SYSTEM AND ELECTRIC VEHICLE


    Additional title:

    永久磁石式同期モータ、電気車駆動システム、及び電気車


    Contributors:

    Publication date :

    2015-06-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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