A power converter may include a smoothing capacitor for a high voltage power source; a discharge circuit for the smoothing capacitor, a controller configured to control the discharge circuit by receiving power via a main power line and a backup power line from a sub-power source; a first switch, arranged on the backup power line, and configured to connect the controller to the sub-power source when a controlling voltage, which is higher than a threshold voltage, is applied to an input terminal of the first switch from the controller, and cut off the controller from the sub-power source when the controlling voltage falls; a voltage retaining capacitor connected between the input terminal and a ground; a second switch controlled by the controller, connected between the input terminal and the ground. An external switch is arranged on the main power line. The external switch may be controlled by another device.


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    Titel :

    Power converter


    Beteiligte:
    MITO NOBUFUMI (Autor:in)

    Erscheinungsdatum :

    2018-10-09


    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 / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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