Comprehensive Diagnosis and Analysis of Air Gap Discharge in the GIS Busbar Support Insulator

MA Feiyue; WANG Pei; WANG Bo

doi:10.13296/j.1001-1609.hva.2018.11.021

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Comprehensive Diagnosis and Analysis of Air Gap Discharge in the GIS Busbar Support Insulator

更新时间：2025-04-26

- Comprehensive Diagnosis and Analysis of Air Gap Discharge in the GIS Busbar Support Insulator
- High VoltageApparatus Vol. 54, Issue 11, Pages: 147-152(2018)
- 作者机构：
  
  1. 国网宁夏电力有限公司电力科学研究院
  2. 国网宁夏电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.11.021
  CLC： TM216;TM855
- Published：2018
- 稿件说明：
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[1]马飞越,王沛,王博.GIS母线支撑绝缘子气隙放电综合诊断与分析[J].高压电器,2018,54(11):147-152.

MA Feiyue, WANG Pei, WANG Bo. Comprehensive Diagnosis and Analysis of Air Gap Discharge in the GIS Busbar Support Insulator[J]. High voltageapparatus, 2018, 54(11): 147-152.
[1]马飞越,王沛,王博.GIS母线支撑绝缘子气隙放电综合诊断与分析[J].高压电器,2018,54(11):147-152. DOI： 10.13296/j.1001-1609.hva.2018.11.021.

MA Feiyue, WANG Pei, WANG Bo. Comprehensive Diagnosis and Analysis of Air Gap Discharge in the GIS Busbar Support Insulator[J]. High voltageapparatus, 2018, 54(11): 147-152. DOI： 10.13296/j.1001-1609.hva.2018.11.021.

摘要

GIS是电力系统的重要设备

局部放电是导致GIS缺陷的主要原因之一。文中结合实际工作中发现的一起GIS母线支撑绝缘子局部放电案例

介绍了如何利用特高频检测法判断局放类型

介绍了特高频时差法定位原理及利用脉冲时延定位法对GIS缺陷进行定位

通过对异常设备的解体检查

以及解体后通过X射线扫描验证

准确发现GIS母线支撑绝缘子存在的气隙缺陷

为GIS设备局放缺陷检测、诊断、定位提供参考依据。

Abstract

Gas insulated switchgear is an important equipment for power system

and partial discharge is one of the main causes of GIS defects.This paper introduces the use of UHF detection method to judge the type of PD

and thepositioning principle of UHF time difference method and locates GIS defects by pulse delay

combines the case of apartial discharge of GIS found in busbar support insulators in actual work. Through the disintegration inspection andthe X-ray scanning verification of abnormal equipment

the air gap defects in GIS busbar support insulators are accurately found

which provides a reference for defect localization

diagnosis and positioning in GIS equipment.

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