Analysis of Decomposition Products by Grease Overdose in SF<sub>6</sub> Circuit Breaker

YANG Ren1; WU Shui-feng2; WANG Jin-xing3; JIAN Yong-feng1; CHEN Jiang-han4; SUN Zhi-heng2; XIU Shi-xin2

doi:10.13296/j.1001-1609.hva.2013.06.014

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Analysis of Decomposition Products by Grease Overdose in SF₆ Circuit Breaker

更新时间：2025-04-26

- Analysis of Decomposition Products by Grease Overdose in SF₆ Circuit Breaker
- High VoltageApparatus Vol. 49, Issue 6, Pages: 43-47(2013)
- 作者机构：
  
  1. 陕西电力科学研究院
  2. 西安交通大学
  3. 陕西省电力公司
  4. 中国广州分析测试中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.06.014
  CLC： TM561.3
- Published：2013
- 稿件说明：
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[1]杨韧,吴水锋,汪金星,菅永峰,陈江韩,孙志恒,修士新.SF_6断路器中润滑脂过量引起的分解产物分析[J].高压电器,2013,49(06):43-47.

YANG Ren1, WU Shui-feng2, WANG Jin-xing3, et al. Analysis of Decomposition Products by Grease Overdose in SF₆ Circuit Breaker[J]. High voltageapparatus, 2013, 49(6): 43-47.
[1]杨韧,吴水锋,汪金星,菅永峰,陈江韩,孙志恒,修士新.SF_6断路器中润滑脂过量引起的分解产物分析[J].高压电器,2013,49(06):43-47. DOI： 10.13296/j.1001-1609.hva.2013.06.014.

YANG Ren1, WU Shui-feng2, WANG Jin-xing3, et al. Analysis of Decomposition Products by Grease Overdose in SF₆ Circuit Breaker[J]. High voltageapparatus, 2013, 49(6): 43-47. DOI： 10.13296/j.1001-1609.hva.2013.06.014.

摘要

对SF6电气设备检测时发现某126 kV断路器CO气体组分体积分数异常

根据分析

该断路器存在潜伏性故障。通过化学分析以及实验研究对可能产生CO的来源进行了分析

并对断路器进行解体检查

最终判断该断路器潜伏性故障产生的原因为润滑脂过量。笔者通过化学反应机理分析了润滑脂涂敷过量对断路器运行特性及SF6气体分解组分的影响。

Abstract

An abnormal level of CO gas was detected in a 126 kV SF6 circuit breaker when it was being tested.According to the analysis

potential fault has occurred in this circuit breaker.After chemical analysis and experimental research on the source of the CO gas

we disintegrated the circuit breaker in order to check it.Finally we come to conclusion that the fault was caused by the excessive scribbling of lubricating grease.The paper analyses the lubricating grease’s influence on the operating characteristics of circuit breaker and the decomposition products of SF6.

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Analysis of Decomposition Products by Grease Overdose in SF6 Circuit Breaker

DOI：10.13296/j.1001-1609.hva.2013.06.014

摘要

Abstract

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references

Analysis of Decomposition Products by Grease Overdose in SF₆ Circuit Breaker