In a drive unit including a motor, an inverter, a first electric storage device, a step up-down converter, first and second capacitors, a DC-DC converter, and a relay, the DC-DC converter is driven, while a target duty ratio of the step up-down converter is set such that a total loss of the step up-down converter and the DC-DC converter becomes larger than a maximum loss value of the step up-down converter, and the step up-down converter is controlled, when the relay is turned off to discharge charge of the first capacitor and the second capacitor.


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    Title :

    DRIVE UNIT, VEHICLE, AND CONTROL METHOD FOR DRIVE UNIT


    Contributors:

    Publication date :

    2018-06-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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