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    • 2. 发明公开
    • 연료전지 스택의 상태 진단을 위한 임피던스 측정 방법 및 시스템
    • 用于测量燃料电池堆状态诊断的阻抗的方法和系统
    • KR1020140085802A
    • 2014-07-08
    • KR1020120155394
    • 2012-12-27
    • 현대자동차주식회사강남대학교 산학협력단
    • 정귀성김세훈이용현
    • G01R31/36G01R27/08H01M8/04
    • H01M8/04649G01R31/3662H01M8/04559H01M8/04589
    • The present invention relates to a method and system for measuring an impedance of fuel cell stack in order for a state diagnosis of a fuel cell stack, which quickly measure an impedance for a plurality of frequencies of a fuel cell stack by using a sinusoidal signal, obtained by synthesizing different frequencies, as an impedance measurement input signal. According to an embodiment of the present invention, an impedance measurement method for a state diagnosis of a fuel cell stack includes synthesizing a plurality of sinusoidal signals having different frequencies; applying the synthesized signal as a measurement input signal to the fuel cell stack; measuring a current and voltage of the fuel cell stack; converting the measured current and voltage of the fuel cell stack in a set method; and calculating an impedance of the fuel cell stack for the different frequencies on the basis of the current and voltage of the fuel cell stack converted in the set method.
    • 本发明涉及一种用于测量燃料电池堆的阻抗的方法和系统,以便通过使用正弦信号快速测量燃料电池堆的多个频率的阻抗来进行燃料电池堆的状态诊断, 通过合成不同的频率获得,作为阻抗测量输入信号。 根据本发明的实施例,用于燃料电池堆状态诊断的阻抗测量方法包括合成具有不同频率的多个正弦信号; 将所述合成信号作为测量输入信号施加到所述燃料电池堆; 测量燃料电池堆的电流和电压; 以设定的方式转换测量的燃料电池堆的电流和电压; 并且根据在所述设定方法中转换的燃料电池堆的电流和电压,计算不同频率的燃料电池堆的阻抗。
    • 9. 发明公开
    • 연료전지 스택의 진단 및 열관리 시스템
    • 诊断燃料电池堆期间的热管理系统
    • KR1020140085804A
    • 2014-07-08
    • KR1020120155396
    • 2012-12-27
    • 현대자동차주식회사강남대학교 산학협력단현대오트론 주식회사
    • 정귀성김세훈김억수박현석이용현
    • G01R31/36H01M8/04F25B21/02
    • H01M8/04559H01M8/04589H01M8/04701
    • The present invention relates to a fuel cell stack diagnosis and heat management system for efficiently and simultaneously managing a heat occurring during the diagnosis. According to an embodiment of the present invention, a fuel cell stack diagnosis and heat management system includes a diagnosis control analyzer diagnosing and analyzing a state of a fuel cell stack by measuring the voltage and current of the fuel cell stack; an AC signal generator generating an AC signal for diagnosis according to a control of the diagnosis control analyzer; an AC component driving device driven according to an AC signal outputted from the AC signal generator to include an AC component for diagnosis in a current of the fuel cell stack; and a thermoelement driven as a heat absorbing material when a temperature of the AC component driving device is equal to or greater than a predetermined temperature, and driven as a heat emitting material when the temperature of the AC component driving device is less than the predetermined temperature in order to manage a heat generated from the AC component driving device.
    • 本发明涉及一种用于有效并同时管理在诊断期间发生的热的燃料电池堆诊断和热管理系统。 根据本发明的实施例,燃料电池堆诊断和热管理系统包括诊断控制分析器,通过测量燃料电池堆的电压和电流来诊断和分析燃料电池堆的状态; AC信号发生器,根据诊断控制分析器的控制生成用于诊断的AC信号; AC分量驱动装置,根据从AC信号发生器输出的AC信号驱动,包括用于在燃料电池堆的电流中进行诊断的AC分量; 以及当AC分量驱动装置的温度等于或大于预定温度时作为吸热材料驱动的热电偶,并且当AC分量驱动装置的温度低于预定温度时作为发热材料驱动 以便管理从AC部件驱动装置产生的热量。