Case Study of MOA

WANG Xing-gui1; LI Qing-ling1; LI Xiao-zhen2; LIANG Zhi-yu2

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Case Study of MOA

更新时间：2025-04-26

- Case Study of MOA
- High VoltageApparatus Issue 2, Pages: 175-177(2008)
- 作者机构：
  
  1. 兰州理工大学
  2. 甘肃省电力公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2008
- 稿件说明：
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[1]王兴贵,李庆玲,李效珍,梁志钰.氧化锌避雷器应用研究[J].高压电器,2008(02):175-177.

WANG Xing-gui1, LI Qing-ling1, LI Xiao-zhen2, et al. Case Study of MOA[J]. High voltageapparatus, 2008, (2): 175-177.
[1]王兴贵,李庆玲,李效珍,梁志钰.氧化锌避雷器应用研究[J].高压电器,2008(02):175-177. DOI：

WANG Xing-gui1, LI Qing-ling1, LI Xiao-zhen2, et al. Case Study of MOA[J]. High voltageapparatus, 2008, (2): 175-177. DOI：

摘要

针对甘肃某供电局氧化锌避雷器（MOA）应用现状

对电站型和线路型MOA结构进行分析

发现110 kV某变电站1号主变压器35 kV侧B相避雷器泄漏电流异常

通过带电检测、停电试验、解体检查

最终确认为受潮故障。

Abstract

This paper aimed at the MOAs in a power supply bureau of Gansu Province to analyze the structures of line MOA and power station MOA.An example to deal with abnormal on line current detection of 35 kV B-phase MOA in a 110 kV transformer substation was introduced.By analyzing the results of on line measurement

off-line testing and disassembly check

the damp defect of MOA was affirmed in the end.

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Case Study of MOA

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