Detection and Diagnostic Analysis of Internal Partial Discharge in 750kV GIS Disconnector

ZHU Hai-tao; LIU Xiao-hua; LI Ming; LI Hai-bo; WANG Zheng-ting; FANG Yong

doi:10.13296/j.1001-1609.hva.2010.08.016

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Detection and Diagnostic Analysis of Internal Partial Discharge in 750kV GIS Disconnector

更新时间：2025-04-26

- Detection and Diagnostic Analysis of Internal Partial Discharge in 750kV GIS Disconnector
- High VoltageApparatus Vol. 46, Issue 8, Pages: 6-9(2010)
- 作者机构：
  
  兰州输变电运行公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.08.016
  CLC： TM564.1
- Published：2010
- 稿件说明：
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[1]朱海涛,刘晓华,李明,李海波,王政廷,方勇.750kV GIS隔离开关内部局放检测及诊断分析[J].高压电器,2010,46(08):6-9.

ZHU Hai-tao, LIU Xiao-hua, LI Ming, et al. Detection and Diagnostic Analysis of Internal Partial Discharge in 750kV GIS Disconnector[J]. High voltageapparatus, 2010, 46(8): 6-9.
[1]朱海涛,刘晓华,李明,李海波,王政廷,方勇.750kV GIS隔离开关内部局放检测及诊断分析[J].高压电器,2010,46(08):6-9. DOI： 10.13296/j.1001-1609.hva.2010.08.016.

ZHU Hai-tao, LIU Xiao-hua, LI Ming, et al. Detection and Diagnostic Analysis of Internal Partial Discharge in 750kV GIS Disconnector[J]. High voltageapparatus, 2010, 46(8): 6-9. DOI： 10.13296/j.1001-1609.hva.2010.08.016.

摘要

简述兰州东变750kV GIS 75221 A相隔离开关局放发生情况

简介GIS超声局放测试系统原理和测试流程

比较GIS设备局放测试的超声法和传统测量方法的优缺点并分析二者之间的相关联系

深入分析75221 A相内部局部放电特征

以诊断放电类型并进行放电定位原因分析。结果表明

AIA型超声局放仪适用于已经投运的GIS设备、SF6罐式断路器等设备的局放带电检测和短期的在线监测。

Abstract

This paper briefly introduces the partial discharge occurrence on the 75221 phase A disconnector

as well as the testing system theory and testing process of GIS PD ultrasonic detecting;compares the advantages and disadvantages between the ultrasonic method and the traditional PD detecting method

deeply analyzes the PD characteristics of the internal phase 75221 A.The result shows that AIA PD ultrasonic instrument applicable to the apparatus such as:the GIS equipment

which has been put into operation

and SF6 tank breaker etc.for PD live detecting and short-term on-line monitoring.

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