Analysis of Over-standard Leakage Current of Lighting Arresters on a 220 kV Transmission Line

CHEN Kun-han; LI Shun-yao

doi:10.13296/j.1001-1609.hva.2012.05.009

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Analysis of Over-standard Leakage Current of Lighting Arresters on a 220 kV Transmission Line

更新时间：2025-04-26

- Analysis of Over-standard Leakage Current of Lighting Arresters on a 220 kV Transmission Line
- High VoltageApparatus Vol. 48, Issue 5, Pages: 111-114(2012)
- 作者机构：
  
  广东电网公司东莞供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.05.009
  CLC： TM862
- Published：2012
- 稿件说明：
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[1]陈坤汉,李顺尧.一起220kV线路避雷器泄漏电流超标的原因分析[J].高压电器,2012,48(05):111-114.

CHEN Kun-han, LI Shun-yao. Analysis of Over-standard Leakage Current of Lighting Arresters on a 220 kV Transmission Line[J]. High voltageapparatus, 2012, 48(5): 111-114.
[1]陈坤汉,李顺尧.一起220kV线路避雷器泄漏电流超标的原因分析[J].高压电器,2012,48(05):111-114. DOI： 10.13296/j.1001-1609.hva.2012.05.009.

CHEN Kun-han, LI Shun-yao. Analysis of Over-standard Leakage Current of Lighting Arresters on a 220 kV Transmission Line[J]. High voltageapparatus, 2012, 48(5): 111-114. DOI： 10.13296/j.1001-1609.hva.2012.05.009.

摘要

针对预防性试验中发现的某变电站220 kV线路避雷器直流泄漏电流超标的问题

笔者详细介绍了现场测量直流泄漏电流的影响因素

分析直流泄漏电流超标的原因

得出某变电站220 kV线路避雷器直流泄漏电流超标的主要原因是避雷器部分电阻阀片的直流参数发生变化所导致的。通过现场试验和制造厂解体检测分析

为避雷器缺陷分析提供宝贵的经验。

Abstract

Aiming at the problem of over-standard leakage current of the lighting arresters on a 220 kV line in a transformer substation

which is discovered in preventative test

the influencing factors of DC leakage current in the test are discussed

and the over-standard leakage current of the lighting arresters is found to be induced by the variation of the direct-current parameter of some resistance valve pieces in lighting arrester.Field test and dismantling analysis of the lighting arresters in the manufacturer verifies the conclusion.

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