전기 차량용 조향 동력 시스템 및 그 제어 방법을 제공한다. 조향 동력 시스템은, 조향 모터(M); 조향 모터(M)를 제어하도록 구성된 조향 모터 제어기(10); 제1 전압을 출력하도록 구성된 고 전압 동력 전지(20); 제2 전압을 출력하도록 구성된 저 전압 축전지(30); 고 전압 시스템(70)이 동작하는 경우 제1 전압을 저 전압 축전지(30)에 공급되는 제2 전압으로 변환하도록 구성된 벅 DC-DC 변환기(40); 및 제2 전압을 제1 전압으로 변환하도록 구성된 부스트 DC-DC 변환기(50)를 포함한다. 고 전압 시스템(70)에 비정상적 전원 장애가 발생하는 경우, 부스트 DC-DC 변환기(50)는, 저 전압 축전지로부터 출력되는 제2 전압을 조향 모터 제어기(10)에 공급되는 제1 전압으로 변환한다.

    A steering power system for an electric vehicle and a method for controlling same are provided. The steering power system includes: a steering motor; a steering motor controller, configured to control the steering motor; a high voltage power battery, configured to output a first voltage; a low voltage storage battery, configured to output a second voltage; a buck DC-DC converter, configured to convert the first voltage into the second voltage for being supplied to the low voltage storage battery when a high voltage system works; and a boost DC-DC converter, configured to convert the second voltage into the first voltage. When the high voltage system has an abnormal power failure, the boost DC-DC converter converts the second voltage outputted from the low voltage storage battery into the first voltage for being supplied to the steering motor controller.


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    Titel :

    STEERING POWER SYSTEM FOR ELECTRIC VEHICLE AND METHOD FOR CONTROLLING SAME


    Weitere Titelangaben:

    전기 차량용 조향 동력 시스템 및 그 제어 방법


    Erscheinungsdatum :

    2019-02-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B62D MOTOR VEHICLES , Motorfahrzeuge



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