Application of CF<sub>4</sub> Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker

YIN Hua; TANG Shi-yu; XU Tao; YAO Qiang; HE Ning

doi:10.13296/j.1001-1609.hva.2012.05.005

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Application of CF₄ Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker

更新时间：2025-04-26

- Application of CF₄ Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker
- High VoltageApparatus Vol. 48, Issue 5, Pages: 89-92(2012)
- 作者机构：
  
  重庆市电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.05.005
  CLC： TM855
- Published：2012
- 稿件说明：
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[1]印华,唐世宇,徐韬,姚强,何宁.CF_4检测在气体灭弧室绝缘故障诊断中的应用[J].高压电器,2012,48(05):89-92.

YIN Hua, TANG Shi-yu, XU Tao, et al. Application of CF₄ Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker[J]. High voltageapparatus, 2012, 48(5): 89-92.
[1]印华,唐世宇,徐韬,姚强,何宁.CF_4检测在气体灭弧室绝缘故障诊断中的应用[J].高压电器,2012,48(05):89-92. DOI： 10.13296/j.1001-1609.hva.2012.05.005.

YIN Hua, TANG Shi-yu, XU Tao, et al. Application of CF₄ Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker[J]. High voltageapparatus, 2012, 48(5): 89-92. DOI： 10.13296/j.1001-1609.hva.2012.05.005.

摘要

SF6气体分解产物检测在电气设备故障分析中的应用比较广泛

而由于新气中含有一定量的CF4

所以分析重点集中于H2S、SO2、SOF2、SO2F2、HF几种特征气体。笔者将SF6气体分解产物检测技术应用于一起500 kV气体断路器的故障诊断

气体检测结果和解体检查表明断路器喷口发生非正常的电弧烧蚀

在经历较长一段时间后

仅体现在SF6气体中CF4体积分数的显著增加。从而表明

对于SF6气体绝缘电气设备应该定期进行检测气体分解物

对CF4体积分数的增加也应引起足够的重视

注重数据的横向和纵向的分析比较。

Abstract

Detection technology of SF6 decomposition products has been wildly used in the fault analysis of SF6 insulated power equipments.The detection is focused on the characteristic gases such as H2S

SO2

SOF2

SO2F2 and HF because the new SF6 gas contains CF4.In this paper

the detection technology of SF6 decomposition products is used in a fault diagnosis of 500 kV SF6 circuit breaker.The detection results of SF6 decomposition products show that after a long time only the volume fraction of CF4 in SF6 increases significantly as the nozzle of circuit breaker was abnormally eroded by the arc.Therefore

the SF6 decomposition products ought to be detected periodically

including the volume fraction of CF4.It’s also necessary to compare the detection results with the former ones

and with those of other equipments.

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Application of CF4 Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker

DOI：10.13296/j.1001-1609.hva.2012.05.005

摘要

Abstract

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Application of CF₄ Detection to Insulation Fault Diagnosis for Gas Interrupter of Circuit Breaker