Based on the action mechanism of DC-link capacitors applied in electric vehicles (EVs), temperature characteristic of DC-link capacitors is analyzed. In a wide range of temperatures, a performance test is made for two kinds of commonly used DC-link capacitors, electrolytic capacitor and film capacitor. Then a comparative analysis is conducted. According to the established AC circuit model and capacitor temperature rise limiting, the relationship between RMS ripple current and parameters of DC-link capacitors is analyzed. And the influence of temperature characteristic on system is then pointed out. Finally, some kinds of treatment measures are proposed and analyzed.


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    Title :

    Research on temperature characteristic of DC-link capacitors applied in electric vehicles


    Contributors:
    Shumei Cui (author) / Lei Hu (author) / Chao Zhang (author) / Shouliang Han (author) / Wei Zheng (author)


    Publication date :

    2014-08-01


    Size :

    810845 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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