Application of TEV and UHF in PD Detection for the Live 10kV Switchgear

ZENG Xiong-jie; JIANG Jian-wu; HOU Jun

doi:10.13296/j.1001-1609.hva.2012.01.011

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Application of TEV and UHF in PD Detection for the Live 10kV Switchgear

更新时间：2025-04-26

- Application of TEV and UHF in PD Detection for the Live 10kV Switchgear
- High VoltageApparatus Vol. 48, Issue 1, Pages: 41-47(2012)
- 作者机构：
  
  深圳供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.01.011
  CLC： TM591
- Published：2012
- 稿件说明：
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[1]曾雄杰,江健武,侯俊.TEV和UHF在10kV开关柜带电检测中的应用[J].高压电器,2012,48(01):41-47.

ZENG Xiong-jie, JIANG Jian-wu, HOU Jun. Application of TEV and UHF in PD Detection for the Live 10kV Switchgear[J]. High voltageapparatus, 2012, 48(1): 41-47.
[1]曾雄杰,江健武,侯俊.TEV和UHF在10kV开关柜带电检测中的应用[J].高压电器,2012,48(01):41-47. DOI： 10.13296/j.1001-1609.hva.2012.01.011.

ZENG Xiong-jie, JIANG Jian-wu, HOU Jun. Application of TEV and UHF in PD Detection for the Live 10kV Switchgear[J]. High voltageapparatus, 2012, 48(1): 41-47. DOI： 10.13296/j.1001-1609.hva.2012.01.011.

摘要

10、35 kV金属封闭式开关柜在变电站广泛使用

其运行安全直接影响整个变电站的供电可靠性。因此

对开关柜运行状态的监测及对故障的预判和合理检修是保证开关设备安全可靠运行的关键。笔者介绍了10 kV开关柜局部放电带电测试的TEV和UHF原理

并且成功检测出了深圳某变电站10 kV 2BM、3BM过渡CT柜532BCT柜存在局部放电信号

同时通过对532BCT柜的停电检查

发现532BCT柜中的隔离开关A相静触头是产生局部放电信号的源头所在

从而验证了采用TEV和UHF这两种原理相结合的方式检测10 kV开关柜故障的有效性

为较早地发现10 kV开关柜中的设备缺陷提供了有效检测方法和依据。

Abstract

Metal-enclosed switchgear rated voltage 10

35 kV in substations are widely used

which operating security directly affects the supply reliability of substation.Therefore

switchgear operating state monitoring

fault prejudging and reasonable overhaul are the key to guarantee safe and reliable operation of switchgear.The paper explains the principle of TEV and UHF in detecting 10 kV switchgear PD signal respectively.And it also shows the successful application of these two methods in detecting and discovering PD signal on 10 kV 532BCT switchgear of one station.Open and check the equipment

the PD signal has been found on 532BCT disconnecting switch of phase A.This example proves that the combination of both methods is effective in detecting switchgear defect and provides effective methods and basis for finding defects in 10 kV switchgear.

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Related Institution

Shenzhen Electric Power Bureau

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Electric Power Research Institute of State Grid Shaanxi Electric Power Co., Ltd.

School of Electrical Engineering, Xi'an Jiaotong University

State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University

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