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

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    品質(zhì)因數(shù)Q 值對電容器投切沖擊涌流的影響

    來源:電工電氣發(fā)布時(shí)間:2017-02-18 09:18 瀏覽次數(shù):8
    品質(zhì)因數(shù)Q 值對電容器投切沖擊涌流的影響
     
    陽海彪,程漢湘,方偉明,陳杏燦,李勇
    (廣東工業(yè)大學(xué) 自動(dòng)化學(xué)院,廣東 廣州 510006)
     
        摘 要:研究了品質(zhì)因數(shù)Q 值對電容器投入配網(wǎng)時(shí)的沖擊涌流的影響,對單相晶閘管投入電容器電路進(jìn)行了分析,通過建立數(shù)學(xué)模型并仿真可知,沖擊涌流與線路參數(shù)電阻R 、電感L 和電容C 的值有關(guān),線路參數(shù)綜合作用的結(jié)果是品質(zhì)因數(shù)Q 值越大,沖擊電流也越大。在實(shí)際應(yīng)用中,應(yīng)該調(diào)節(jié)線路參數(shù)使品質(zhì)因數(shù)盡可能小來提升設(shè)備的性能。
        關(guān)鍵詞:電容器;單相晶閘管;品質(zhì)因數(shù)Q 值;沖擊涌流;線路參數(shù)
        中圖分類號:TM53     文獻(xiàn)標(biāo)識碼:A     文章編號:1007-3175(2017)02-0032-04
     
    Impact of Quality Factor Q Value on Capacitor Switching Impact Inrush Current
     
    YANG Hai-biao, CHENG Han-xiang, FANG Wei-ming, CHEN Xing-can, LI Yong
    (School of Automation, Guangdong University of Technology, Guangzhou 510006, China)
     
        Abstract: This paper researched on the impact of quality factor Q value on the impact inrush current during the capacitors switching to the distribution network and analyzed the single-phase thyristor switching capacitor circuit. The mathematical model was established. The simulated results show that the impact inrush current is related to the line parameters such as resistance, inductance and capacitance values. The synthetic action of line parameters is that the higher the quality factor Q value is, the higher the switching current will be. In practical applications, the line parameters should be adjusted to let the quality factor Q value as small as possible to improve the performance of the equipment.
        Key words: capacitor; single-phase thyristor; quality factor Q value; impact inrush current; line parameters
     
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