The invention discloses an idling oxygen supply control method and system of a fuel cell system. The situation that the vehicle is in an idling state is acquired and the electric energy of a second energy storage device reaches a set value, then the air compressor of the oxygen supply subsystem in the fuel cell system supplies oxygen to a fuel cell stack at the set working power P0ACS through input of the fuel cell stack to consume redundant electric energy generated by the fuel cell stack and thus the electric energy power output of the fuel cell stack to the whole vehicle is zero. When the vehicle is in the idling state, the electric pile is used for supplying power to the oxygen supply subsystem, redundant electric energy of the electric pile is consumed, the electric energy power output of the fuel cell pile to the whole vehicle is zero, the electric pile is ensured to be kept in a low-power working state without shutdown, and the power performance of the vehicle is also guaranteed.

    本发明公开一种燃料电池系统的怠速供氧控制方法及系统。它是在在获取车辆为怠速状态以及第二储能装置的电能达到设定值后,燃料电池系统中的供氧子系统的空气压缩机通过燃料电池堆输入,以工作设定功率P0对燃料电池堆进行供氧,消耗燃料电池堆产生的多余的电能,实现燃料电池堆对整车电能功率输出为零。车辆在怠速状况时,利用电堆对供氧子系统供电,消耗电堆多余的电能,实现燃料电池堆对整车电能功率输出为零,既保证电堆维持在较低的功率工作状态,不停机,保证车辆的动力性能。


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    Titel :

    Idling oxygen supply control method and system of fuel cell system


    Weitere Titelangaben:

    燃料电池系统的怠速供氧控制方法及系统


    Beteiligte:
    XIONG JIE (Autor:in) / SHI JIANPENG (Autor:in) / ZHANG JIAN (Autor:in) / LI BO (Autor:in) / LI MINGJIAN (Autor:in)

    Erscheinungsdatum :

    2020-07-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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