본 발명은 연료전지 차량의 운전 정지시 릴레이의 손상을 방지하고, 수소의 손실을 최소화하고, 셧다운 시간 지연을 방지하는 기술에 관한 것으로, 본 발명에서는, 연료전지 차량의 운전 정지명령 인가시, 연료전지 스택에 공기의 공급을 차단하고; 연료전지 스택과 연결된 스택 메인릴레이 후단의 전압을 상승 제어하며; 상기 스택 메인릴레이 후단의 전압이 스택전압보다 소정전압 이상 상승하는 경우, 스택 메인릴레이를 차단하는 것을 특징으로 하는 연료전지 차량용 운전 정지방법이 소개된다.

    A method of shutting down operation of a fuel cell vehicle includes: blocking, by a controller, an air supply to a fuel cell stack when an operation shutting down command of the fuel cell vehicle is applied; increasing, by the controller, a voltage at an rear end of a stack main relay connected to the fuel cell stack; and opening, by the controller, the stack main relay when the voltage at the rear end of the stack main relay is higher than a stack voltage by a predetermined voltage or more.


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    Title :

    SHUT DOWN METHOD FOR FUEL CELL VEHICLES


    Additional title:

    연료전지 차량용 운전 정지방법


    Publication date :

    2023-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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