An electric vehicle controller 50 includes an inverter 11 that drives a motor 12 by receiving power supplied from an overhead line 1, a brake chopper circuit 8 that includes a switching device 6 and a braking resistor 7 and is connected in parallel with the inverter 11, a voltage detector 9 that detects a bus voltage applied to DC buses 4a and 4b, and a control unit 13 that performs power consumption control of causing the braking resistor 7 to consume regenerative power supplied from the motor 12 and overvoltage suppression control of suppressing the bus voltage from being excessive. The control unit 13 controls the switching device 7 such that a second duty ratio used at the time of performing the overvoltage suppression control is lower than a first duty ratio used at the time of performing the power consumption control.


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    Titel :

    CONTROL DEVICE FOR ELECTRIC ROLLING STOCK


    Weitere Titelangaben:

    STEUERUNGSVORRICHTUNG FÜR ELEKTRISCHES ROLLMATERIAL
    DISPOSITIF DE COMMANDE POUR MATÉRIEL ROULANT ÉLECTRIQUE


    Beteiligte:
    FUJIWARA HIROSHI (Autor:in) / YAMAMOTO YURI (Autor:in) / HIRAYAMA YU (Autor:in)

    Erscheinungsdatum :

    03.04.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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



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