Three-phase Modeling of the Vacuum Circuit Breaker Switching off 35 kV Shunt Reactors and Overvoltage Suppression

PENG Qingjun; JIANG Xiongwei; SIMA Wenxia; YANG Qing; ZHANG Zhaohui; YANG Ming

doi:10.13296/j.1001-1609.hva.2017.03.023

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Three-phase Modeling of the Vacuum Circuit Breaker Switching off 35 kV Shunt Reactors and Overvoltage Suppression

更新时间：2025-04-26

- Three-phase Modeling of the Vacuum Circuit Breaker Switching off 35 kV Shunt Reactors and Overvoltage Suppression
- High VoltageApparatus Vol. 53, Issue 3, Pages: 147-153+159(2017)
- 作者机构：
  
  1. 云南电网有限责任公司电力科学研究院
  2. 重庆大学输配电装备及系统安全与新技术国家重点实验室
  3. 江苏省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.03.023
  CLC： TM472;TM561.2
- Published：2017
- 稿件说明：
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[1]彭庆军,姜雄伟,司马文霞,杨庆,张照辉,杨鸣.真空断路器开断35kV并联电抗器的三相建模仿真与过电压抑制研究[J].高压电器,2017,53(03):147-153+159.

PENG Qingjun, JIANG Xiongwei, SIMA Wenxia, et al. Three-phase Modeling of the Vacuum Circuit Breaker Switching off 35 kV Shunt Reactors and Overvoltage Suppression[J]. High voltageapparatus, 2017, 53(3): 147-153+159.
[1]彭庆军,姜雄伟,司马文霞,杨庆,张照辉,杨鸣.真空断路器开断35kV并联电抗器的三相建模仿真与过电压抑制研究[J].高压电器,2017,53(03):147-153+159. DOI： 10.13296/j.1001-1609.hva.2017.03.023.

PENG Qingjun, JIANG Xiongwei, SIMA Wenxia, et al. Three-phase Modeling of the Vacuum Circuit Breaker Switching off 35 kV Shunt Reactors and Overvoltage Suppression[J]. High voltageapparatus, 2017, 53(3): 147-153+159. DOI： 10.13296/j.1001-1609.hva.2017.03.023.

摘要

为探究真空断路器开断35 kV并联电抗器时过电压产生机理和改进现有仿真模型的不足

笔者简单综述了真空断路器开断感性小电流的仿真研究现状

基于ATP-EMTP电磁暂态仿真软件

利用Fortran语言在MODELS模块中编写控制程序

建立40.5 kV真空断路器开断时电弧重燃三相模型

搭建了真空断路器开断35 kV并联电抗器三相仿真电路并考虑了断路器、三芯电缆三相间的寄生参数。在研究回路无任何保护情况下

断路器负载侧相间电压达到235 kV（7.1 p.u.）

对地电压达到145 kV（4.4 p.u.）。仿真结果表明:三相多次重燃和"虚拟截流"现象是此类事故的主要原因。最后提出几点抑制开断并联电抗器时产生过电压的措施。

Abstract

To explore the generation mechanism of overvoltage when a vacuum circuit breaker（VCB）switches off 35 kV shunt reactors and to improve the existing simulation model

a general review of simulation researches on vacuum circuit breakers switching off small reactive current is firstly given. Fortran language is used to write the control program in MODELS module

an arc reignition three-phase simulation model of a 40.5 kV VCB switching off shunt reactors is established in ATP-EMTP to simulate the field tests. The VCB and the cable’s three-phase parasitic parameters are considered in the simulation. In the case of no protection for the researched loop

the load-side voltage of the VCB is 235 kV（7.1 p.u.）

and the ground voltage reaches 145 kV（4.4 p.u.）. Simulation results show that the multi-reignitiion of three phases and the virtual closure phenomenon mainly cause such overvoltage accidents. Finally

some suppression measures against the overvoltage induced by switching off the shunt reactors are presented.

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Related Institution

Maintenance Branch Company of Chongqing Electric Power Corporation

State Key Laboratory of Power Transmission,Chongqing University

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