Study on the Performance of Special Vacuum Breaker for Switching Capacitor Banks

ZHANG Hua-ying1; YANG Lan-jun2; LI Liang-shu3; ZHANG Wei-zheng4; LIANG Ju5; QUAN Yong-li6

doi:10.14044/j.1674-1757.pcrpc.2011.03.011

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Study on the Performance of Special Vacuum Breaker for Switching Capacitor Banks

更新时间：2024-09-14

- Study on the Performance of Special Vacuum Breaker for Switching Capacitor Banks
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 32, Issue 3, Pages: 38-44(2011)
- 作者机构：
  
  1. 南方电网科学研究院
  2. 西安交通大学电力设备电气绝缘国家重点实验室
  3. 陕西电力科学研究院
  4. 郑州电业局
  5. 北京航天飞控中心
  6. 内蒙古巴彦淖尔市电业局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2011.03.011
  CLC： TM561.2
- Published：2011，
- 稿件说明：
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[1]张华赢,杨兰均,李良书,张伟政,梁驹,全永利.投切电容器组专用真空断路器性能研究[J].电力电容器与无功补偿,2011,32(03):38-44.

ZHANG HUA-YING1, YANG LAN-JUN2, LI LIANG-SHU3, et al. Study on the Performance of Special Vacuum Breaker for Switching Capacitor Banks. [J]. Power capacitor & reactive power compensation, 2011, 32(3): 38-44.
[1]张华赢,杨兰均,李良书,张伟政,梁驹,全永利.投切电容器组专用真空断路器性能研究[J].电力电容器与无功补偿,2011,32(03):38-44. DOI： 10.14044/j.1674-1757.pcrpc.2011.03.011.

ZHANG HUA-YING1, YANG LAN-JUN2, LI LIANG-SHU3, et al. Study on the Performance of Special Vacuum Breaker for Switching Capacitor Banks. [J]. Power capacitor & reactive power compensation, 2011, 32(3): 38-44. DOI： 10.14044/j.1674-1757.pcrpc.2011.03.011.

摘要

真空断路器切除并联电容器组时

如果发生重燃可引起较高的操作过电压

对电容器组等设备危害严重。降低真空断路器的重燃率是限制切除电容器组过电压的根本措施。笔者在分析研究真空断路器重燃机理的基础上

提出采用带串联电阻真空断路器的方法

通过限制合闸涌流和断口恢复电压的幅值

达到降低真空断路器切电容器组重燃率的目的。

Abstract

Restrike caused by cutting shunt capacitor banks with vacuum breaker may lead to sever switching over voltage

which causes great damage to power apparatus.Reducing vacuum breaker’ restrike rate is the ultimate solution to limit over voltage incited by cutting shunt capacitor banks.In this work

a new method of limiting the vacuum breaker’ restrike rate is proposed based on the analysis of restrike mechanism.This method applies a resistor to the vacuum breaker

which can limit switch-on inrush current and the recovery voltage of break

and further reduce the restrike rate of vacuum switches when cutting shunt capacitor banks.

关键词

真空断路器并联电容器组涌流恢复电压重燃

Keywords

vacuum breakershunt capacitor banksinrush currentrecovery voltagerestrike

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