Failure Analysis and Countermeasures for GW5-126 Disconnector Contacts Burning

ZHANG Zong-wei; LU Chang-hong

doi:10.13296/j.1001-1609.hva.2011.02.016

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Failure Analysis and Countermeasures for GW5-126 Disconnector Contacts Burning

更新时间：2025-04-26

- Failure Analysis and Countermeasures for GW5-126 Disconnector Contacts Burning
- High VoltageApparatus Vol. 47, Issue 2, Pages: 76-79(2011)
- 作者机构：
  
  华北电网有限公司唐山供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.02.016
  CLC： TM564.1
- Published：2011
- 稿件说明：
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[1]张宗伟,卢昌宏.GW5-126型隔离开关触头烧损故障分析及对策[J].高压电器,2011,47(02):76-79.

ZHANG Zong-wei, LU Chang-hong. Failure Analysis and Countermeasures for GW5-126 Disconnector Contacts Burning[J]. High voltageapparatus, 2011, 47(2): 76-79.
[1]张宗伟,卢昌宏.GW5-126型隔离开关触头烧损故障分析及对策[J].高压电器,2011,47(02):76-79. DOI： 10.13296/j.1001-1609.hva.2011.02.016.

ZHANG Zong-wei, LU Chang-hong. Failure Analysis and Countermeasures for GW5-126 Disconnector Contacts Burning[J]. High voltageapparatus, 2011, 47(2): 76-79. DOI： 10.13296/j.1001-1609.hva.2011.02.016.

摘要

针对GW5-126型母线隔离开关在倒母线操作时经常出现触头烧损的故障

介绍了隔离开关开合母线转换电流的原理

并以某变电站为例进行了实例计算。随后

分析了母线隔离开关触头烧损的原因

给出了GW5-126型隔离开关引弧装置的加装方案以及一些其他提高隔离开关开合母线转换电流能力的措施。

Abstract

In order to solve the problem that the GW5-126 disconnector contacts often burning when reversing the busbar

the principle of the bus transfer current switching is introduced.At the same time

taking a substation for example

the calculation results are presented.Then

by means of analysing the reasons of the disconnector contact burning

the scheme of installing the arc striking device is given

and some other measures for improving the ability of switching bus transfer current are provided.

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