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    Suzhou Electric Appliance Research Institute
    期刊號: CN32-1800/TM| ISSN1007-3175

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    極限電容量試品雷電沖擊試驗技術分析

    來源:電工電氣發布時間:2022-01-20 09:20 瀏覽次數:446

    極限電容量試品雷電沖擊試驗技術分析

    周淑蘭
    (中國航發上海商用航空發動機制造有限責任公司,上海 201306)
     
        摘 要:通過 550 kV 長母線管及高壓純電阻箱的雷電沖擊試驗案例,介紹了如何調整回路參數以解決極限電容量試品在雷電沖擊試驗過程中波頭時間與過沖幅值的矛盾。分析了試驗過程中的問題,總結出了極限電容量試品的雷電沖擊試驗技術,對于極限大容量試品,通過增加沖擊發生器主電容、減小回路電感、不改變阻值情況下并聯波頭電阻等方式可以有效解決在調試標準雷電沖擊波形時波頭時間和過沖幅值的矛盾;對于極限小容量試品,則通過并聯合適的負載電容可以有效解決該問題。
        關鍵詞:極限電容量;高壓電器;雷電沖擊;試驗技術
        中圖分類號:TM83     文獻標識碼:A     文章編號:1007-3175(2022)01-0053-03
     
    Analysis of Lightning Impulse Test Technology for Limit Capacitance Test Object
     
    ZHOU Shu-lan
    (AECC Shanghai Commercial Aircraft Engine Co., Ltd, Shanghai 201306, China)
     
        Abstract: This research analyzed the lighting impulse test of 550 kV pipe type bus bar and high voltage resistance box. It introduced the method to adjust the circuit parameter for solving the contradiction between the wave head time and the over-impact amplitude of the limit capacitance sample in the lightning impact test. It figured out the problems during the experiment process and summarized the lightning impact experimental technology of the limit capacitance test. Overall, for the ultimate capacity guinea pigs, it might fix the problem mentioned above by increasing the capacity of the surge generator, reducing circuit inductance, or paralleling wave-front resistance under the unchanged electric resistance value. For the minimum capacity guinea pigs, paralleling the appropriate load capacitance might solve the contradiction.
        Key words: limit capacitance; high-voltage electrical appliances; lightning impulse; test technology
     
    參考文獻
    [1] 施圍. 高電壓工程基礎[M]. 北京:機械工業出版社,2006.
    [2] 中國電器工業協會. 高電壓試驗技術 第 1 部分:一般定義及試驗要求:GB/T 16927.1—2011[S]. 北京:中國標準出版社,2011.
    [3] 張仁豫,陳昌漁,王昌長. 高電壓試驗技術[M] .北京:清華大學出版社,2009.

     

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