10kV无功补偿电容器分相合闸策略研究

许巧云; 吴昌盛; 董超俊; 温浩; 韩冰; 张秀杰

doi:10.14044/j.1674-1757.pcrpc.2019.01.003

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10kV无功补偿电容器分相合闸策略研究

无功补偿与滤波装置 | 更新时间：2024-09-14

- 10kV无功补偿电容器分相合闸策略研究
- Study on Phase Closing Strategy of 10kV Reactive Compensation Capacitor
- 电力电容器与无功补偿 2019年40卷第1期页码：13-17
- 作者机构：
  
  1. 江门供电局
  2. 五邑大学
- 作者简介：
- 基金信息：
  
  基于多维数据的电容器运行策略研究研究项目（GDDW0520160301SG00003）
- DOI：10.14044/j.1674-1757.pcrpc.2019.01.003
  中图分类号： TM53;TM761
- 纸质出版日期：2019，
- 稿件说明：
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[1]许巧云,吴昌盛,董超俊,温浩,韩冰,张秀杰.10kV无功补偿电容器分相合闸策略研究[J].电力电容器与无功补偿,2019,40(01):13-17.

XU QIAOYUN, WU CHANGSHENG, DONG CHAOJUN, et al. Study on Phase Closing Strategy of 10kV Reactive Compensation Capacitor. [J]. Power capacitor & reactive power compensation, 2019, 40(1): 13-17.
[1]许巧云,吴昌盛,董超俊,温浩,韩冰,张秀杰.10kV无功补偿电容器分相合闸策略研究[J].电力电容器与无功补偿,2019,40(01):13-17. DOI： 10.14044/j.1674-1757.pcrpc.2019.01.003.

XU QIAOYUN, WU CHANGSHENG, DONG CHAOJUN, et al. Study on Phase Closing Strategy of 10kV Reactive Compensation Capacitor. [J]. Power capacitor & reactive power compensation, 2019, 40(1): 13-17. DOI： 10.14044/j.1674-1757.pcrpc.2019.01.003.

摘要

在江门某变电站

搭建10kV无功补偿电容器分相投切实验系统。断路器采用随机合闸策略

无功补偿电容器最大暂态过电压为稳态运行的1.6倍左右

最大暂态过电流为稳态运行的3.7倍左右

暂态持续时间约为170 ms;而采用分相合闸策略

无功补偿电容器最大暂态过电压不会超过稳态运行的1.3倍

最大暂态过电流不会超过稳态运行的2倍

暂态持续时间约为130 ms。采用分相合闸策略能够有效减小电容器合闸过电压和合闸涌流

减少暂态持续时间

从而提高电容器运行的安全性与可靠性。

Abstract

The phase switching experimental system of 10kV reactive compensation capacitor is set up at certain substation in Jiangmen.The random closing strategy is adopted in the circuit breaker

the maximum transient overvoltage of reactive compensation capacitor is about 1.6 times that of steady operation

the maximum transient overcurrent is about 3.7 times that of steady operation and the transient duration is about 170 ms.However

in case of adopting phase closing strategy

the maximum transient overvoltage of reactive compensation capacitor will not exceed 1.3 times that of steady operation

the maximum transient overcurrent will not exceed twice that of steady operation and the transient duration is about 130 ms.The use of phase closing strategy can reduce effectively the closing overvoltage and the closing inrush current of the capacitor

reduce the transient duration

thus improving the safe and reliable operation of the capacitor.

关键词

分相合闸分相分闸合闸涌流并联电容器合闸过电压

Keywords

phase closingphase openingclosing inrush currentshunt capacitorclosing overvoltage

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