Application of Online Detection in Partial Discharge Test of True Switchgear

FAN Min; WANG Jia; HUANG Haibo; MAO Wenqi

doi:10.13296/j.1001-1609.hva.2019.07.034

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Application of Online Detection in Partial Discharge Test of True Switchgear

更新时间：2025-04-26

- Application of Online Detection in Partial Discharge Test of True Switchgear
- High VoltageApparatus Vol. 55, Issue 7, Pages: 235-241(2019)
- 作者机构：
  
  1. 国网湖南省电力有限公司电力科学研究院
  2. 中国能源建设集团湖南省电力设计院有限公司
  3. 国网湖南省电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.07.034
  CLC： TM591;TM855
- Published：2019
- 稿件说明：
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[1]范敏,汪佳,黄海波,毛文奇.带电检测技术应用于真型开关柜局部放电试验研究[J].高压电器,2019,55(07):235-241.

FAN Min, WANG Jia, HUANG Haibo, et al. Application of Online Detection in Partial Discharge Test of True Switchgear[J]. High VoltageApparatus, 2019, 55(7): 235-241.
[1]范敏,汪佳,黄海波,毛文奇.带电检测技术应用于真型开关柜局部放电试验研究[J].高压电器,2019,55(07):235-241. DOI： 10.13296/j.1001-1609.hva.2019.07.034.

FAN Min, WANG Jia, HUANG Haibo, et al. Application of Online Detection in Partial Discharge Test of True Switchgear[J]. High VoltageApparatus, 2019, 55(7): 235-241. DOI： 10.13296/j.1001-1609.hva.2019.07.034.

摘要

目前开关柜带电检测数据为间接量、经验性较强

易造成缺陷误判。为此基于真型开关柜搭建了缺陷模拟试验装置

利用该装置模拟开关柜中常见的针板放电、悬浮放电、沿面放电缺陷

比对超声波检测法（AE）、暂态地电压检测法（TEV）、特高频检测法（UHF）与脉冲电流法（PC）

获取了放电典型图谱和带电检测信号-局放量关系

得到了不同缺陷下超声波检测和特高频检测灵敏度相当但大于暂态地电压检测灵敏度

为开展开关柜带电检测定量分析奠定了基础。

Abstract

The most data of online detection are indirect state and strong experience

so they cause the erroneousjudgement of defect easily. Therefore

this paper set up defect simulation test device based on real switch cabinetand simulated pin-to-plate discharge

suspension discharge

surface discharge. Through the comparison of acousticemission

transient earth voltages

ultra high frequency and pulse current

the law of these discharge is found

thetypical map of discharge and the relationship between online detection signal and partial discharge are obtained. It isalso gained that the sensibility of acoustic emission and ultra high frequency is similar

and more than transient earthvoltages. These finds lay the foundation for quantitative analysis of online detection.

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贵州安顺中水水电开发有限公司，贵州安顺 561000Guizhou Anshun Zhongshui Hydropower Development Co., Ltd., Guizhou Anshun 561000, China

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