PROBLEM TO BE SOLVED: To accurately diagnose the demagnetized state of a permanent magnet constituting PMSM during traveling of a railway vehicle.SOLUTION: The inverter of a railway vehicle drive controller converts DC power supplied via a feeder line into a three-phase alternating current to supply the current to a permanent magnet synchronous motor. A measurement part directly and indirectly measures an induced voltage generated at the permanent magnet synchronous motor when a railway vehicle is performing a coasting operation. Thus, a diagnosis part diagnoses the demagnetized state of a permanent magnet constituting the permanent magnet synchronous motor based on the induced voltage.SELECTED DRAWING: Figure 1

    【課題】鉄道車両の走行時に、PMSMを構成している永久磁石の減磁状態を正確に診断する。【解決手段】実施形態の鉄道車両用駆動制御装置のインバータは、き電線を介して供給された直流電力を前記三相交流に変換して、前記永久磁石同期電動機に供給する。測定部は、鉄道車両が惰行運転を行っている場合に、永久磁石同期電動機において発生した誘起電圧を直接的あるいは間接的に測定する。この結果、診断部は、誘起電圧に基づいて永久磁石同期電動機を構成している永久磁石の減磁状態を診断する。【選択図】図1


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    Title :

    RAILWAY VEHICULAR DRIVE CONTROLLER


    Additional title:

    鉄道車両用駆動制御装置


    Contributors:

    Publication date :

    2016-10-06


    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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