Analysis and Treatment of a Closing Fault of a 252 kV SF<sub>6</sub> Circuit Breaker

TANG Yue-lin; WU Ping; XIE Lin-tao; HUANG Hai-tao

doi:10.13296/j.1001-1609.hva.2011.02.015

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Analysis and Treatment of a Closing Fault of a 252 kV SF₆ Circuit Breaker

更新时间：2025-04-26

- Analysis and Treatment of a Closing Fault of a 252 kV SF₆ Circuit Breaker
- High VoltageApparatus Vol. 47, Issue 2, Pages: 72-75(2011)
- 作者机构：
  
  重庆电网检修分公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.02.015
  CLC： TM561
- Published：2011
- 稿件说明：
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[1]唐跃林,伍平,谢林涛,黄海涛.一台252kV SF_6断路器合闸故障分析及处理[J].高压电器,2011,47(02):72-75.

TANG Yue-lin, WU Ping, XIE Lin-tao, et al. Analysis and Treatment of a Closing Fault of a 252 kV SF₆ Circuit Breaker[J]. High voltageapparatus, 2011, 47(2): 72-75.
[1]唐跃林,伍平,谢林涛,黄海涛.一台252kV SF_6断路器合闸故障分析及处理[J].高压电器,2011,47(02):72-75. DOI： 10.13296/j.1001-1609.hva.2011.02.015.

TANG Yue-lin, WU Ping, XIE Lin-tao, et al. Analysis and Treatment of a Closing Fault of a 252 kV SF₆ Circuit Breaker[J]. High voltageapparatus, 2011, 47(2): 72-75. DOI： 10.13296/j.1001-1609.hva.2011.02.015.

摘要

针对重庆电网中一相252 kV SF6断路器出现的合闸故障问题

结合现场运行数据

分析了故障的原因

电弧高温下SF6与水、灭弧室内材料及硅脂等发生化学反应

生成物进入密封组件内产生卡涩

对断路器本体的解体检修证实这一情况的发生。最后

就故障原因提出了在检修维护中应采取的措施及注意事项

避免同类问题重复发生影响电网系统的正常运行。

Abstract

Combined with operating data

this paper analyzed the causes of closing fault in a 252 kV SF6 circuit breaker in Chongqing Power Grid.The chemical reaction of SF6 with water and grease under high temperature arc and it’s substances leakage into the sealed components caused the jam.Maintenance about the body of the circuit breaker proved that situation.Finally

some suggestions and methods were proposed to take care during the maintenance for the fault

which can be referred to the similar faults and make the normal operation of the power grid.

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Analysis and Treatment of a Closing Fault of a 252 kV SF6 Circuit Breaker

DOI：10.13296/j.1001-1609.hva.2011.02.015

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Abstract

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Analysis and Treatment of a Closing Fault of a 252 kV SF₆ Circuit Breaker