Study on Improved Capacitive Current Compensation Method of Leakage Current through MOA

WANG Wen-li1; LI Yan-qing2; LU Fang-cheng2

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Study on Improved Capacitive Current Compensation Method of Leakage Current through MOA

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- Study on Improved Capacitive Current Compensation Method of Leakage Current through MOA
- High VoltageApparatus Issue 3, Pages: 192-194(2005)
- 作者机构：
  
  1.   保定供电公司
  2.   华北电力大学
  3.   华北电力大学河北保定071003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2005
- 稿件说明：
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[1]王文利,李燕青,律方成.金属氧化物避雷器在线检测的改进补偿法研究[J].高压电器,2005(03):192-194.

WANG Wen-li1, LI Yan-qing2, LU Fang-cheng2. Study on Improved Capacitive Current Compensation Method of Leakage Current through MOA[J]. High voltageapparatus, 2005, (3): 192-194.
[1]王文利,李燕青,律方成.金属氧化物避雷器在线检测的改进补偿法研究[J].高压电器,2005(03):192-194. DOI：

WANG Wen-li1, LI Yan-qing2, LU Fang-cheng2. Study on Improved Capacitive Current Compensation Method of Leakage Current through MOA[J]. High voltageapparatus, 2005, (3): 192-194. DOI：

摘要

阻性电流中的基波分量ir和三次分量i3r可以反映金属氧化物避雷器（MOA）的运行状况。电力系统中的谐波电压影响ir

i3r监测的准确性

提出了改进的容性电流补偿法

用于谐波电压下MOA阻性电流的提取。仿真研究表明

该方法可以有效地消除电网谐波的影响

使阻性电流的检测更加准确。

Abstract

Monitoring the basic component ir and the third component i3r of the resistive leakage current can reflect the MOA’s operation state. The harmonic voltages in the power system can influence the indication accuracy of ir and i3r. An improved capacitive leakage current compensation method is presented to extract resistive component from leakage current while harmonic voltages exist in power system. Simulation shows that this method can effectively eliminate the influence of harmonic voltages in power hystem. The measurement of resistive leakage current is more accurate.

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