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首页> 外文期刊>Przeglad Elektrotechniczny >A Method to Estimate Leakage Current of Polluted Insulators
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A Method to Estimate Leakage Current of Polluted Insulators

机译：一种估计绝缘子泄漏电流的方法

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摘要

The effects of the applied voltage(U), equivalent salt deposit density (pesdd) and relative humidity density(RH) on the leakage current (LC) are studied based on the least squares algorithm (LSA) in this study. Experiments' results show that, the maximal amplitude of LC l_h increases with the increase of pesdd by an power function with a positive index 0.451, while increases with the increase of both U and RH by an exponential function with a positive index 0.017 for U and 9.751 for RH. The result can be used to evaluate the pollution condition of insulators based on LC.%Zbadano prąd upływu zabrudzonych izolatorów uwzględniając przyłożone napięcie, względne zasolenia i względna wilgotność. Stwierdzono, że prąd upływu rośnie wraz z zasoleniem ze współczynnikiem potęgowym 0.45.
机译：基于最小二乘算法（LSA），研究了施加电压（U），等效盐沉积密度（pesdd）和相对湿度密度（RH）对漏电流（LC）的影响。实验结果表明，LC l_h的最大幅度随正弦系数为0.451的幂函数的pesdd的增加而增大，而随U和RH的增大，U和R的正指数为0.017的指数函数随LC和RH的增大而增大。相对湿度9.751。该结果可用于基于LC。％的绝缘子的污染状况评估。％斯特维松佐诺（Stwierdzono），0.45分。

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  • 来源
    《Przeglad Elektrotechniczny》 |2012年第3b期|p.161-164|共4页
  • 作者

    Yunfeng XIA; Xingliang JIANG; Caixin SUN; Bingbing Dong;

  • 作者单位

    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, College of Electrical Engineering, Chongqing University, Zhengjie Street 174,Shapingba District, Chongqing, 400030, China;

    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, College of Electrical Engineering, Chongqing University, Zhengjie Street 174,Shapingba District, Chongqing, 400030, China;

    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, College of Electrical Engineering, Chongqing University, Zhengjie Street 174,Shapingba District, Chongqing, 400030, China;

    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, College of Electrical Engineering, Chongqing University, Zhengjie Street 174,Shapingba District, Chongqing, 400030, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    leakage current; insulators; equivalent salt deposit density; relative humidity density; least squares algorithm;

    机译：漏电流绝缘子;当量盐沉积密度;相对湿度密度最小二乘算法;

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