A power control unit for electric vehicle includes an inverter for controlling a voltage supplied to a vehicle driving motor from a high-voltage battery. A DC/DC converter reduces the voltage of the high-voltage battery to a voltage capable of charging a low-voltage battery serving as a power supply for an in-vehicle auxiliary machine. The power control unit has a circuit board including first electrical circuit elements that constitute the inverter or the DC/DC converter and second electrical circuit elements together with the first electrical circuit elements. The unit further comprises a heat sink for cooling the first electrical circuit elements, a water pump for circulating a refrigerant in a refrigerant passage of the heat sink, and a water pump control circuit for controlling the operation of the water pump.


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    Titel :

    POWER CONTROL UNIT FOR ELECTRIC VEHICLE


    Beteiligte:
    KAKO MASAHIRO (Autor:in)

    Erscheinungsdatum :

    18.07.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H05K PRINTED CIRCUITS , Gedruckte Schaltungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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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