시동 On시, 냉시동 조건을 만족하는지 여부를 판단하는 단계; 냉시동 조건을 만족한 경우, 연료전지 스택 내부의 빙결된 수분을 해빙시키는데 요구되는 해빙 에너지를 추정하는 단계; 추정한 해빙 에너지를 기반으로 고전압 배터리의 해빙 제어 SOC(State Of Charge)를 산출하는 단계; 및 현재 고전압 배터리의 SOC가 해빙 제어 SOC 이하인 경우, 고전압 배터리에서 전력을 공급받은 히터를 이용하여 연료전지 스택을 냉각시키는 냉각수 라인 내부의 냉각수를 가열하는 단계;를 포함하는 연료전지의 냉시동 제어방법이 소개된다.

    A cold start control method for a fuel cell is provided. The method includes determining whether a cold start condition upon start on is satisfied and estimating thawing energy required to thaw frozen moisture inside a fuel cell stack when the cold start condition has been satisfied. A thawing control SOC of a high-voltage battery is calculated based on the estimated thawing energy. The cooling water inside a cooling water line for cooling the fuel cell stack is heated by using a heater having received power from the high-voltage battery when the current SOC of the high-voltage battery is equal to or less than a thawing control SOC.


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    Titel :

    CONTROL SYSTEM AND CONTROL METHOD OF COLD START FOR FUEL CELL


    Weitere Titelangaben:

    연료전지의 냉시동 제어시스템 및 제어방법


    Erscheinungsdatum :

    20.01.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    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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