A power distribution unit includes a housing, a main contactor in a main cavity of the housing, and a pre-charge assembly in a secondary cavity of the housing. The main contactor includes first and second fixed contacts and a movable contact configured to electrically connect the first and second fixed contacts in a mated position. The main contactor includes a coil assembly energized to move the movable contact. The pre-charge assembly includes a pre-charge resistor and a pre-charge switch coupled to the pre-charge resistor. The power distribution unit includes a controller received in the housing. The controller includes a main contactor driver for powering the main contactor and a pre-charge driver for powering the pre-charge switch.


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    Title :

    Power distribution unit having contactor with integrated pre-charge circuit



    Publication date :

    2022-10-11


    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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