Effects of 500 kV Bus Sectionalizing Reactor on Transient Recovery Voltage and Countermeasures

LI Jinzhong; LI Fang; HAN Jing; TANG Hao; FAN Chuan; DING Weidong

doi:10.13296/j.1001-1609.hva.2014.10.035

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Effects of 500 kV Bus Sectionalizing Reactor on Transient Recovery Voltage and Countermeasures

更新时间：2025-04-26

- Effects of 500 kV Bus Sectionalizing Reactor on Transient Recovery Voltage and Countermeasures
- High VoltageApparatus Vol. 50, Issue 10, Pages: 63-69(2014)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 青岛供电公司
  3. 国家电力监管委员会西北监管局
  4. 西安交通大学电力设备电气绝缘国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.10.035
  CLC： TM47
- Published：2014
- 稿件说明：
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[1]李金忠,李芳,韩晶,汤浩,范川,丁卫东.500kV母线串联电抗器对瞬态恢复过电压的影响及限制措施[J].高压电器,2014,50(10):63-69.

LI Jinzhong, LI Fang, HAN Jing, et al. Effects of 500 kV Bus Sectionalizing Reactor on Transient Recovery Voltage and Countermeasures[J]. High voltageapparatus, 2014, 50(10): 63-69.
[1]李金忠,李芳,韩晶,汤浩,范川,丁卫东.500kV母线串联电抗器对瞬态恢复过电压的影响及限制措施[J].高压电器,2014,50(10):63-69. DOI： 10.13296/j.1001-1609.hva.2014.10.035.

LI Jinzhong, LI Fang, HAN Jing, et al. Effects of 500 kV Bus Sectionalizing Reactor on Transient Recovery Voltage and Countermeasures[J]. High voltageapparatus, 2014, 50(10): 63-69. DOI： 10.13296/j.1001-1609.hva.2014.10.035.

摘要

采用母线串联电抗器可以有效地限制500 kV系统的短路电流

但同时会对断路器的瞬态恢复过电压产生一定的影响。笔者以荆门500 kV母线串联电抗器工程项目为背景

利用电磁仿真软件EMTP-ATP研究了在不同故障情况下串联电抗器对断路器瞬态恢复过电压的影响。仿真结果表明

串联电抗器的引入

使得断路器瞬态恢复过电压的陡度远超过标准规定值

在串联电抗器上并联0.1μF以上的电容时

可以将断路器瞬态恢复过电压的陡度限制到标准规定值以内。

Abstract

Bus sectionalizing reactor is used to limit the magnitude of fault current in 500 kV power system. The effects of the bus sectionalizing reactor on transient recovery voltage（TRV） while limiting short circuit current are investigated in this paper. Taking the 500 kV Bus Sectionalizing Reactor Project in Jingmen for example

the effects of the bus sectionalizing reactor on TRV are analyzed in detail by using EMTP-ATP. The results show that the gradient of TRV is higher than the specified value in the standard

and connecting a capacitor of more than 0.1 μF in parallel with the serial reactor can reduce the gradient of TRV.

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