Diagnosis and Analysis About Ultrasonic PD Signal Abnormality of GIL Equipment

HUANG Heyan; WU Deguan; XIA Hu; LI Hongyuan; PAN Kai; SHAO Chenglin

doi:10.13296/j.1001-1609.hva.2017.12.039

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Diagnosis and Analysis About Ultrasonic PD Signal Abnormality of GIL Equipment

更新时间：2025-04-26

- Diagnosis and Analysis About Ultrasonic PD Signal Abnormality of GIL Equipment
- High VoltageApparatus Vol. 53, Issue 12, Pages: 241-246(2017)
- 作者机构：
  
  南方电网超高压输电公司检修试验中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.12.039
  CLC： TM75
- Published：2017
- 稿件说明：
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[1]黄和燕,吴德贯,夏辉,李红元,潘凯,邵成林.GIL设备超声波局放信号异常的诊断与分析[J].高压电器,2017,53(12):241-246.

HUANG Heyan, WU Deguan, XIA Hu, et al. Diagnosis and Analysis About Ultrasonic PD Signal Abnormality of GIL Equipment[J]. High voltageapparatus, 2017, 53(12): 241-246.
[1]黄和燕,吴德贯,夏辉,李红元,潘凯,邵成林.GIL设备超声波局放信号异常的诊断与分析[J].高压电器,2017,53(12):241-246. DOI： 10.13296/j.1001-1609.hva.2017.12.039.

HUANG Heyan, WU Deguan, XIA Hu, et al. Diagnosis and Analysis About Ultrasonic PD Signal Abnormality of GIL Equipment[J]. High voltageapparatus, 2017, 53(12): 241-246. DOI： 10.13296/j.1001-1609.hva.2017.12.039.

摘要

运行中局部放电测试是检测GIL设备内部是否存在缺陷的最有效手段之一。文中对GIL设备运行中超声波局部放电测试发现的异常进行了分析。依据超声波局放测试、超声波/地电波/高频电流声电联合诊断测试、现场解体检查及返厂解体检查结果进行了综合分析判断

确定了局放异常产生的原因并提出运行建议。

Abstract

Partial discharge（PD） test during equipment operation is one of the most effective methods for checking whether fault exists inside a GIL.In this paper

the GIL abnormal phenomena detected by ultrasonic PD test in operation are analyzed.The results obtained from ultrasonic PD test

combined ultrasonic/TEV/high-frequency-current acoustic-electric diagnostic test

on-site and manufacturer disassembly inspections are analyzed and judged comprehensively.As a result

the reason for abnormal PD is determined

and corresponding suggestions are offered.

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Related Institution

CSG EHV Transmission Company Kunming Bureau

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