Extraction and Analysis of Characteristic Spectrum of Partial Discharge in GIS Based on UHF Method

ZHANG Guangdong; QIN Rui; ZHANG Zhongyuan; SUN Yaming; WANG Feng; YANG Ping

doi:10.13296/j.1001-1609.hva.2016.09.013

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Extraction and Analysis of Characteristic Spectrum of Partial Discharge in GIS Based on UHF Method

更新时间：2025-04-26

- Extraction and Analysis of Characteristic Spectrum of Partial Discharge in GIS Based on UHF Method
- High VoltageApparatus Vol. 52, Issue 9, Pages: 71-77(2016)
- 作者机构：
  
  1. 国网甘肃省电力公司电力科学研究院
  2. 国网甘肃省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.09.013
  CLC： TM855
- Published：2016
- 稿件说明：
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[1]张广东,秦睿,张忠元,孙亚明,王峰,杨萍.基于超高频特高频法的GIS局部放电特征图谱提取与研究[J].高压电器,2016,52(09):71-77.

ZHANG Guangdong, QIN Rui, ZHANG Zhongyuan, et al. Extraction and Analysis of Characteristic Spectrum of Partial Discharge in GIS Based on UHF Method[J]. High voltageapparatus, 2016, 52(9): 71-77.
[1]张广东,秦睿,张忠元,孙亚明,王峰,杨萍.基于超高频特高频法的GIS局部放电特征图谱提取与研究[J].高压电器,2016,52(09):71-77. DOI： 10.13296/j.1001-1609.hva.2016.09.013.

ZHANG Guangdong, QIN Rui, ZHANG Zhongyuan, et al. Extraction and Analysis of Characteristic Spectrum of Partial Discharge in GIS Based on UHF Method[J]. High voltageapparatus, 2016, 52(9): 71-77. DOI： 10.13296/j.1001-1609.hva.2016.09.013.

摘要

局部放电检测对发现GIS设备内部潜在的缺陷发挥着重要作用

不同类型的放电对GIS的危害程度存在明显差别

正确识别GIS的放电类型对于保证设备安全运行、评估绝缘状况和制定检修策略具有十分重要的意义。文中研究了三相共筒式GIS在运行中常见的故障类型

根据具体的试验条件

设计了4种典型的绝缘缺陷模拟常见的GIS故障类型

并通过采用超高频特高频（UHF）法对存在故障的GIS进行了局部放电检测

分析了4种绝缘缺陷放电的典型图谱

为GIS的稳定运行和故障的及时检修提供了依据。

Abstract

Detection of partial discharge（PD） is very important role for diagnosing and assessing insulation state of GIS. Different types of PD harm GIS to different degrees

so identification of PD type is vital to safe and reliable operation

insulation condition evaluation

and rational maintenance strategy of GIS. This paper studies the familiar fault types in the operation of three-phase-common GIS

designs four typical insulation defects according to the test conditions

and conducts PD detection for faulty GIS with the UHF method. Typical PD spectrums of four insulation defects are analyzed. This study may provide a basis for stable operation and timely maintenance of GIS.

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Related Institution

School of Electrical Engineering, Xi’an Jiaotong University

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