Research Status on the Partial Discharge Characteristics of Electrical Equipment Under Overvoltage

HE Cong; LI Junhao; ZHANG Qian; ZHANG Liang; HAN Xutao; ZHANG Xuanrui

doi:10.13296/j.1001-1609.hva.2018.11.002

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Research Status on the Partial Discharge Characteristics of Electrical Equipment Under Overvoltage

更新时间：2025-04-26

- Research Status on the Partial Discharge Characteristics of Electrical Equipment Under Overvoltage
- High VoltageApparatus Vol. 54, Issue 11, Pages: 9-19(2018)
- 作者机构：
  
  西安交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.11.002
  CLC： TM855
- Published：2018
- 稿件说明：
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[1]何聪,李军浩,张芊,张亮,韩旭涛,张轩瑞.过电压下电气设备局部放电特性研究现状[J].高压电器,2018,54(11):9-19.

HE Cong, LI Junhao, ZHANG Qian, et al. Research Status on the Partial Discharge Characteristics of Electrical Equipment Under Overvoltage[J]. High voltageapparatus, 2018, 54(11): 9-19.
[1]何聪,李军浩,张芊,张亮,韩旭涛,张轩瑞.过电压下电气设备局部放电特性研究现状[J].高压电器,2018,54(11):9-19. DOI： 10.13296/j.1001-1609.hva.2018.11.002.

HE Cong, LI Junhao, ZHANG Qian, et al. Research Status on the Partial Discharge Characteristics of Electrical Equipment Under Overvoltage[J]. High voltageapparatus, 2018, 54(11): 9-19. DOI： 10.13296/j.1001-1609.hva.2018.11.002.

摘要

电气设备局部放电往往是由过电压所激发的

研究过电压下电气设备局部放电特性对电气设备过电压防护和故障诊断具有重要的意义。相同的绝缘缺陷在不同电压波形作用下局部放电特性明显不同;相同电压波形作用下不同绝缘缺陷局部放电特征也存在明显的差异。从过电压的产生原因出发

对不同类型过电压的特点和不同类型过电压下SF

气体绝缘和油纸绝缘典型绝缘缺陷的局部放电特性进行了归纳总结。指出多电压联合下的局部放电特性研究更能描述电气设备的实际运行情况。

Abstract

Electrical equipment partial discharge is often stimulated by overvoltage. The research on partial discharge characteristics of electrical equipment under overvoltage is of great significance for overvoltage protection andfault diagnosis of electrical equipment. The partial discharge characteristics of the same insulation defects are obvi-ously different under the actions of different voltage waveforms

and the partial discharge characteristics of differentinsulation defects are obviously different under the same voltage waveform. Based on the causes of overvoltage

thispaper summarizes the characteristics of different types of overvoltage as well as the partial discharge characteristicsof typical defects of SF

gas insulation and oil-paper insulation u

nder different types of overvoltage. It is pointed outthat the researches of partial discharge characteristics under multi-voltage combination can better describe the actual operation of electrical equipment.

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