Numerical Simulation Analysis of the Impact of Phase-control Accuracy to Capacitive Closing Inrush Current Magnitude

CAO Xianping; LIU Bo; CHEN Xuanshu; LAN Zhenbo; LI Weilin; WANG Shuang; LI Rui

doi:10.13296/j.1001-1609.hva.2016.02.026

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Numerical Simulation Analysis of the Impact of Phase-control Accuracy to Capacitive Closing Inrush Current Magnitude

更新时间：2025-04-26

- Numerical Simulation Analysis of the Impact of Phase-control Accuracy to Capacitive Closing Inrush Current Magnitude
- High VoltageApparatus Vol. 52, Issue 2, Pages: 160-165(2016)
- 作者机构：
  
  1. 云南电网公司昭通供电局
  2. 国网电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.02.026
  CLC： TM561.2
- Published：2016
- 稿件说明：
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[1]曹先平,刘波,陈轩恕,兰贞波,李伟林,王爽,李锐.选相精度对容性关合涌流幅值影响的数值仿真分析[J].高压电器,2016,52(02):160-165.

CAO Xianping, LIU Bo, CHEN Xuanshu, et al. Numerical Simulation Analysis of the Impact of Phase-control Accuracy to Capacitive Closing Inrush Current Magnitude[J]. High voltageapparatus, 2016, 52(2): 160-165.
[1]曹先平,刘波,陈轩恕,兰贞波,李伟林,王爽,李锐.选相精度对容性关合涌流幅值影响的数值仿真分析[J].高压电器,2016,52(02):160-165. DOI： 10.13296/j.1001-1609.hva.2016.02.026.

CAO Xianping, LIU Bo, CHEN Xuanshu, et al. Numerical Simulation Analysis of the Impact of Phase-control Accuracy to Capacitive Closing Inrush Current Magnitude[J]. High voltageapparatus, 2016, 52(2): 160-165. DOI： 10.13296/j.1001-1609.hva.2016.02.026.

摘要

文章研究了真空断路器相控精度与容性关合涌流幅值及频率的数值关系。并基于PSCAD仿真模型

采用最小二乘拟合的方法

从工程应用角度给出了数值表达式。讨论了真空断路器容性分断不考虑重击穿条件下时断口过电压及电容器过电压情况;给出了真空断路器容性投切选相精度控制区间;提出了真空断路器容性关合角度应控制在超前目标合闸角角度区间内的观点。

Abstract

This paper studies the numerical relationship between vacuum circuit breaker（VCB） phase-control accuracy and the amplitude as well as frequency of capacitive closing inrush current. And the least squares fitting method is applied to present the numerical expression which based on the models of PSCAD from the point of engineering application. In this paper

the situation of fracture overvoltage and capacitor overvoltage on the condition of VCB capacitive interruption without considering re-strike is proposed and the area of phase-control accuracy of vacuum circuit breaker capacitive switching is provided. The point that VCB phase-control degree should be limited in the area prior to the closing target point is suggested.

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