Study of Ultrasonic Diagnosis Method for Partial Discharge in GIS Based on Signal Envelope Spectrum

RONG Lin; ZHENG Wen-dong; QIAN Yong; HUANG Cheng-jun; JIANG Xiu-chen

doi:10.13296/j.1001-1609.hva.2011.12.009

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Study of Ultrasonic Diagnosis Method for Partial Discharge in GIS Based on Signal Envelope Spectrum

更新时间：2025-04-26

- Study of Ultrasonic Diagnosis Method for Partial Discharge in GIS Based on Signal Envelope Spectrum
- High VoltageApparatus Vol. 47, Issue 12, Pages: 39-43+48(2011)
- 作者机构：
  
  上海交通大学电气工程系电力传输与功率变换控制教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.12.009
  CLC： TM595
- Published：2011
- 稿件说明：
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[1]戎琳,郑文栋,钱勇,黄成军,江秀臣.基于信号包络谱的GIS局部放电超声诊断方法研究[J].高压电器,2011,47(12):39-43+48.

RONG Lin, ZHENG Wen-dong, QIAN Yong, et al. Study of Ultrasonic Diagnosis Method for Partial Discharge in GIS Based on Signal Envelope Spectrum[J]. High voltageapparatus, 2011, 47(12): 39-43+48.
[1]戎琳,郑文栋,钱勇,黄成军,江秀臣.基于信号包络谱的GIS局部放电超声诊断方法研究[J].高压电器,2011,47(12):39-43+48. DOI： 10.13296/j.1001-1609.hva.2011.12.009.

RONG Lin, ZHENG Wen-dong, QIAN Yong, et al. Study of Ultrasonic Diagnosis Method for Partial Discharge in GIS Based on Signal Envelope Spectrum[J]. High voltageapparatus, 2011, 47(12): 39-43+48. DOI： 10.13296/j.1001-1609.hva.2011.12.009.

摘要

笔者应用基于信号包络谱的分析方法对局部放电超声信号进行研究

并在实验室环境下建立悬浮电极、针尖电晕、自由金属微粒3种GIS内部典型绝缘缺陷的局放模型进行诊断识别

根据识别结果总结出了不同类型缺陷所表现出的不同测量特征。

Abstract

The diagnosis of partial discharges in GIS was studied based on ultrasonic detection method and the signal envelope spectrum analysis.Three types of typical GIS insulation defects including floating shield

electric corona and free moving particles were set and experienced in lab simulation condition.The characteristics of the partial discharge signals were analyzed and summarized

and based on which the insulation defects can be recognized.

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