Analysis of a Typical Fault for Metal Zinc Oxide Lightning Arrester

ZHAO Shihua; SUN Lipeng; LIU Yun; YE Huisheng

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Analysis of a Typical Fault for Metal Zinc Oxide Lightning Arrester

更新时间：2025-11-18

- Analysis of a Typical Fault for Metal Zinc Oxide Lightning Arrester
- Vol. 39, Issue 3, Pages: 31-34(2019)
- 作者机构：
  
  国网湖南省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2019
- 稿件说明：
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[1]赵世华,孙利朋,刘赟,叶会生.一例金属氧化锌避雷器故障分析[J].湖南电力,2019,39(03):31-34.

ZHAO Shihua, SUN Lipeng, LIU Yun, et al. Analysis of a Typical Fault for Metal Zinc Oxide Lightning Arrester[J]. 2019, 39(3): 31-34.
[1]赵世华,孙利朋,刘赟,叶会生.一例金属氧化锌避雷器故障分析[J].湖南电力,2019,39(03):31-34. DOI：

ZHAO Shihua, SUN Lipeng, LIU Yun, et al. Analysis of a Typical Fault for Metal Zinc Oxide Lightning Arrester[J]. 2019, 39(3): 31-34. DOI：

摘要

本文针对某变电站一支110 kV避雷器故障

通过带电检测、诊断试验及解体检查等方式

分析其原因为避雷器内部环氧树脂筒发生贯穿性闪络

造成避雷器本体接地故障

并且避雷器故障时喷出的带电粒子造成同间隔电压互感器三相短路接地故障。通过缺陷分析

可提高金属氧化物避雷器设计、检修与运行维护水平

为分析与处理此类故障提供技术参考。

Abstract

In this paper

the 110 k V lightning arrester fault of a substation is analyzed by means of electric inspection

diagnostic test and disintegration inspection. It is caused by the penetration flashover of epoxy resin tube inside the lightning arrester

which leads to the earth fault of the lightning arrester body. It is pointed out the charged particles emitted during the lightning arrester failure cause the three-phase short-circuit ground fault of the same interval voltage transformer. Through defect analysis

it can improve the design

overhaul and operation and maintenance level of metal oxide arrester

and can provide technical reference for manufacturers

maintenance and maintenance personnel to analyze and deal with such faults.

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