Analysis of Partial Discharge Defects in SF<sub>6</sub> Electrical Equipment by Detecting Gas Decomposition Products

CHEN Xiuzhen; GUO Wei; GAO Fanfu; CHEN Song; HAN Yuting

doi:10.13296/j.1001-1609.hva.2019.10.015

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Analysis of Partial Discharge Defects in SF₆ Electrical Equipment by Detecting Gas Decomposition Products

更新时间：2025-04-26

- Analysis of Partial Discharge Defects in SF₆ Electrical Equipment by Detecting Gas Decomposition Products
- High VoltageApparatus Vol. 55, Issue 10, Pages: 87-92(2019)
- 作者机构：
  
  国网安徽省电力有限公司马鞍山供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.10.015
  CLC： TM855
- Published：2019
- 稿件说明：
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[1]陈秀珍,郭伟,高凡夫,陈嵩,韩玉停.基于气体分解产物检测技术发现的SF_6电气设备放电缺陷分析[J].高压电器,2019,55(10):87-92.

CHEN Xiuzhen, GUO Wei, GAO Fanfu, et al. Analysis of Partial Discharge Defects in SF₆ Electrical Equipment by Detecting Gas Decomposition Products[J]. High voltageapparatus, 2019, 55(10): 87-92.
[1]陈秀珍,郭伟,高凡夫,陈嵩,韩玉停.基于气体分解产物检测技术发现的SF_6电气设备放电缺陷分析[J].高压电器,2019,55(10):87-92. DOI： 10.13296/j.1001-1609.hva.2019.10.015.

CHEN Xiuzhen, GUO Wei, GAO Fanfu, et al. Analysis of Partial Discharge Defects in SF₆ Electrical Equipment by Detecting Gas Decomposition Products[J]. High voltageapparatus, 2019, 55(10): 87-92. DOI： 10.13296/j.1001-1609.hva.2019.10.015.

摘要

电气设备中常采用的气体分解产物检测是一种比较重要的带电检测技术手段

可以提前发现设备内部的早期故障和事故隐患并及时处理

这种检测技术也得到业界越来越多的关注和认同。文中首先依据大量的文献研究

详细阐述了SF

气体及各种固体绝缘材料在放电或高温过热等异常情况下裂解机理及各种气体分解物（SO

SOF

CO等）的形成过程;再根据几起现场实际案例的统计分析

发现检测电气设备中的气体组分种类和体积分数可以对设备的运行状况进行有效地评估;最后

通过解体后电气设备内部情况验证该检测技术的可行性。气体分解产物检测技术能够有效地分析出电气设备的实际情况

对今后实现电气设备的状态检修和管理维护有重要的参考价值。

Abstract

For the purpose of on-line detecting gas decomposition products in SF

electrical equipment to find and treat fault of electrical equipment in advance

the forming processes of the various gas decomposition products（such as SO

SOF

and CO）produced by SF

and some solid insulating materials under abnormal conditions such as discharge and overheating

as well as the pyrolysis mechanisms

are described based on literature review. Then

some real cases are analyzed statistically

and it is found that

operation status of SF

electrical equipment can be effectively assessed by the decomposed gas components and their contents in the equipment. The internal situation of the disintegrated electrical equipment verifies the feasibility of the gas decomposition product detection technique. It is concluded that the gas decomposition product detection technique can obtain actual situation of SF

electrical equipment effectively

and hence can play an important role in state maintenance and management of electrical equipment.

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Related Institution

Power Research Institute of State Grid Ningxia Electrical Power Co., Ltd.

School of Electrical Engineering and Automation, Wuhan University

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西安交通大学

College of Electrical Engineering and Information Technology, Three Gorges University

⁰

Analysis of Partial Discharge Defects in SF6 Electrical Equipment by Detecting Gas Decomposition Products

DOI：10.13296/j.1001-1609.hva.2019.10.015

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Abstract

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references

Analysis of Partial Discharge Defects in SF₆ Electrical Equipment by Detecting Gas Decomposition Products