Analysis of the Causes of Abnormal CO Content in On-site Test of SF<sub>6</sub> Decomposition Products

CHEN Xiaohuan; BAI Yancui; HUANG Dawei; XIA Gulin; ZHOU Haibin

doi:10.13296/j.1001-1609.hva.2015.07.036

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Analysis of the Causes of Abnormal CO Content in On-site Test of SF₆ Decomposition Products

更新时间：2025-04-26

- Analysis of the Causes of Abnormal CO Content in On-site Test of SF₆ Decomposition Products
- High VoltageApparatus Vol. 51, Issue 7, Pages: 191-194+199(2015)
- 作者机构：
  
  南方电网超高压输电公司检修试验中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.07.036
  CLC： TQ125.152;TM507
- Published：2015
- 稿件说明：
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[1]陈小环,白彦翠,黄大为,夏谷林,周海滨.现场检测SF_6分解产物中CO体积分数异常的原因分析[J].高压电器,2015,51(07):191-194+199.

CHEN Xiaohuan, BAI Yancui, HUANG Dawei, et al. Analysis of the Causes of Abnormal CO Content in On-site Test of SF₆ Decomposition Products[J]. High voltageapparatus, 2015, 51(7): 191-194+199.
[1]陈小环,白彦翠,黄大为,夏谷林,周海滨.现场检测SF_6分解产物中CO体积分数异常的原因分析[J].高压电器,2015,51(07):191-194+199. DOI： 10.13296/j.1001-1609.hva.2015.07.036.

CHEN Xiaohuan, BAI Yancui, HUANG Dawei, et al. Analysis of the Causes of Abnormal CO Content in On-site Test of SF₆ Decomposition Products[J]. High voltageapparatus, 2015, 51(7): 191-194+199. DOI： 10.13296/j.1001-1609.hva.2015.07.036.

摘要

目前

在电力系统中加强SF6分解产物的监测

对于及时发现设备异常具有重大意义。文中简述了目前几种检测SF6分解气体的方法

关于某500 kV变电站5042、5043开关SF6气室现场检测发现CO体积分数异常的的现象

及时进行了多次现场跟踪检测

并且对SF6气体采样进行了实验室分析验证

结果显示实验室分析结果与现场检测结果存在差别很大。根据实验结果及仪器原理的分析发现:某型号的现场检测仪存在气体相互干扰的结构缺陷

未能很好地把H2与CO分离开来

导致把H2的量计算到CO的体积分数里面。不准确的数据给正确判断设备故障带来极大的干扰

针对此问题文中对于现场检测提出了建议。

Abstract

How to strengthen the monitoring of SF6 decomposition products is very important for detection of abnormal timely in the electric power system at present. This paper analyzes several methods for detection of SF6 decomposition gases. Many times tests of CO content of 5042

5043 switch on-site is abnormal

and its SF6 gas of one 500 kV station is used to carry out in laboratory. The study found that the results of on-site test are different from dates of laboratory test. According to the analysis of experimental results and the principle of instruments a conclusion is drawn that the certain type testing instruments on-site have some defects of structural defects exist gas mutual interference. They cannot separate H2 and CO completely

leading to calculating the CO content as the amount of H2 mistakenly. Inaccurate data is a great disturbance to accurately determine the equipment faults. To solve this problem

this paper puts forward suggestions for on-site detection.

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Analysis of the Causes of Abnormal CO Content in On-site Test of SF6 Decomposition Products

DOI：10.13296/j.1001-1609.hva.2015.07.036

摘要

Abstract

关键词

Keywords

references

Analysis of the Causes of Abnormal CO Content in On-site Test of SF₆ Decomposition Products