Reasons Analysis and Solution of Closing Failure of High-voltage Circuit Breaker

LIU Yang-ming; JIANG Fu-guan; GU Ai-bin

doi:10.13296/j.1001-1609.hva.2012.02.018

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Reasons Analysis and Solution of Closing Failure of High-voltage Circuit Breaker

更新时间：2025-04-26

- Reasons Analysis and Solution of Closing Failure of High-voltage Circuit Breaker
- High VoltageApparatus Vol. 48, Issue 2, Pages: 90-94+98(2012)
- 作者机构：
  
  金山供电公司电网运维中心继保组
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.02.018
  CLC： TM561
- Published：2012
- 稿件说明：
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[1]刘杨名,江福官,顾爱斌.高压断路器拒动原因分析及解决方案[J].高压电器,2012,48(02):90-94+98.

LIU Yang-ming, JIANG Fu-guan, GU Ai-bin. Reasons Analysis and Solution of Closing Failure of High-voltage Circuit Breaker[J]. High voltageapparatus, 2012, 48(2): 90-94+98.
[1]刘杨名,江福官,顾爱斌.高压断路器拒动原因分析及解决方案[J].高压电器,2012,48(02):90-94+98. DOI： 10.13296/j.1001-1609.hva.2012.02.018.

LIU Yang-ming, JIANG Fu-guan, GU Ai-bin. Reasons Analysis and Solution of Closing Failure of High-voltage Circuit Breaker[J]. High voltageapparatus, 2012, 48(2): 90-94+98. DOI： 10.13296/j.1001-1609.hva.2012.02.018.

摘要

以35 kV古松变电站10 kV出线古34红阳重合闸失败为背景

分析了古34红阳重合闸不成功的原因

提出了高压断路器拒合故障的注意问题和解决方案

针对装置出口接点烧毁的现象

提出对装置的时限元件逻辑进行修改的方法

从而达到保护的目的;针对机构分合闸线圈的烧毁现象

提出在日常检查中加强机构的清洁和保养

实现对其进行保护

从而提高设备运行的可靠性。以220 kV草桥变电站为例

简略解析了高压断路器拒分故障中隐含有继电保护整定误区的原因。针对保护方式/保护整定的时间/电流/选择性/灵敏度等因素

定量分析了其误动细节

整理归纳了继电保护整定原理的注意点。

Abstract

Based on the reclosing failure in 35 kV substation

the reason of the failure is analyzed.Some issues related to closing failure and their resolutions are suggested.Aiming at the over burning’s phenomenon of installment export contact

a method of modifying the logic parameters of installment timing element is proposed in order to achieve the goal of protection.Aiming at the overturning phenomenon of the closing coil

Management measures are proposed such as strengthening the organization in the daily inspection and the maintenance

thus enhances the equipments’ reliability.The reason of having the relay protection installation erroneous zone during the high-pressured circuit breaker’ sopening failure by the example of Caoqiao 220 kV Substaion is also ananlyzed.In view of protection mode/protection installation’s factors and so on time/electric current/selectivity/sensitivity

it analyses the details of its mis-movement reorganized the main points of the principle of the relay protection installation.

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