A drive control device for railway vehicles, that drive-controls a permanent magnet synchronizing electric motor driven by a three-phase alternating current. A power conversion unit converts, into a three-phase alternating current, power supplied from an external power supply via a feeder line and supplies same to the permanent magnet synchronizing electric motor via a U-phase AC current line, a V-phase AC current line, and a W-phase AC current line. A short-circuit contact unit is provided between the power conversion unit and the permanent magnet synchronizing electric motor, and causes a shorted state in which the U-phase AC current line, the V-phase AC current line, and the W-phase AC current line are mutually shorted.


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    Title :

    Drive control device for railway vehicles


    Contributors:

    Publication date :

    2015-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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