According to the present invention, provided is a fault diagnosing method of a power electric system for a vehicle, which comprises the steps of: driving an inverter to output an output voltage command for fault detection; measuring a current input to each phase of a motor connected to the inverter; measuring a voltage of a neutral terminal of the motor; and determining whether a cable connecting the inverter and the motor and a relay connected to the neutral terminal of the motor are faulty based on the measured current input to each phase of the motor and the voltage of the neutral terminal.

    본 발명에 따른 차량용 전력변환 시스템의 고장진단 방법은 고장 검출용 출력 전압 지령이 출력되도록 인버터를 구동시키는 단계; 상기 인버터와 연결된 모터의 각 상에 입력되는 전류를 측정하는 단계; 상기 모터의 중성단의 전압을 측정하는 단계; 및 상기 측정된 모터의 각 상에 입력되는 전류 및 중성단의 전압에 기반하여 상기 인버터와 상기 모터를 연결하는 케이블 및 상기 모터의 중성단에 연결된 릴레이의 고장여부를 판단하는 단계;를 포함할 수 있다.


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    Titel :

    FAULT DIAGNOSING METHOD AND APPARATUS OF POWER ELECTRIC SYSTEM FOR VEHICLE


    Weitere Titelangaben:

    차량용 전력 변환 시스템의 고장진단 방법 및 장치


    Beteiligte:
    SHIN HO JOON (Autor:in) / HAN NAM KOO (Autor:in) / LEE SANG YOO (Autor:in) / KWAK HEON YOUNG (Autor:in) / PARK HONG GEUK (Autor:in)

    Erscheinungsdatum :

    29.06.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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