Study of Restrike Overvoltage when Switching off Shunt Capacitors in a10kV Distribution System

DU Bin; ZHAO Feng; GAO Ya-dong; DU Peng; SHI Wei

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Study of Restrike Overvoltage when Switching off Shunt Capacitors in a10kV Distribution System

更新时间：2025-04-26

- Study of Restrike Overvoltage when Switching off Shunt Capacitors in a10kV Distribution System
- High VoltageApparatus Issue 4, Pages: 255-258(2004)
- 作者机构：
  
  1. 西安交通大学电气工程学院
  2. 西安交通大学电气工程学院陕西西安710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM86
- Published：2004
- 稿件说明：
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[1]杜斌,赵峰,高亚栋,杜鹏,施围.10kV系统中切除并联电容器时的重燃过电压研究[J].高压电器,2004(04):255-258.

DU Bin, ZHAO Feng, GAO Ya-dong, et al. Study of Restrike Overvoltage when Switching off Shunt Capacitors in a10kV Distribution System[J]. High voltageapparatus, 2004, (4): 255-258.
[1]杜斌,赵峰,高亚栋,杜鹏,施围.10kV系统中切除并联电容器时的重燃过电压研究[J].高压电器,2004(04):255-258. DOI：

DU Bin, ZHAO Feng, GAO Ya-dong, et al. Study of Restrike Overvoltage when Switching off Shunt Capacitors in a10kV Distribution System[J]. High voltageapparatus, 2004, (4): 255-258. DOI：

摘要

电力系统中使用真空断路器切除无功补偿用并联电容器时

容易产生重燃过电压

严重影响并联电容的安全运行。笔者对10kV系统中切除并联电容器时所产生的重燃过电压进行了模拟计算

着重分析了影响重燃过电压大小的因素

并研究了利用MOA对并联电容器进行过电压保护的效果。

Abstract

In a10kV distribution system

when shunt ca-pacitors are switched off by vacuum circuit breakers

restrike overvoltage often occurs.In this paper

the restrike overvolt-ages are calculated

the factors that may affect the magnitude of restrike overvoltage are analyzed

and the effectiveness of using MOA to limit restrike overvoltages is studied.

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