An onboard electric system includes a drive circuit that drives an electric motor based on an output voltage of a direct current power supply; a first smoothing capacitor; a drive signal generator; a first discharge resistor that is connected between a positive electrode and a negative electrode of the first smoothing capacitor; a first discharge switcher that is connected in series to the first discharge resistor between the positive electrode and the negative electrode, and releases or makes a connection between the positive electrode and the negative electrode; and an off-signal generator that outputs an off signal to the first discharge switcher. The first discharge switcher is provided by a switcher of a normally-ON type that makes the connection between the positive electrode and the negative electrode through the first discharge resistor in a period other than a period while the off-signal generator provides the off signal.


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    Title :

    Onboard electric system


    Contributors:
    SAKAI KOJI (author) / SUMI TOMOYUKI (author)

    Publication date :

    2019-01-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES , Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen



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