Simulation Research on Overvoltage Suppression of Vacuum Circuit Breaker Switching on 10 kV Shunt Reactor

LIU Hang; CHEN Song; SUN Xiaoyong; WEI Gang; YANG Qing; RAN Junde

doi:10.13296/j.1001-1609.hva.2019.12.005

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Simulation Research on Overvoltage Suppression of Vacuum Circuit Breaker Switching on 10 kV Shunt Reactor

更新时间：2025-04-26

- Simulation Research on Overvoltage Suppression of Vacuum Circuit Breaker Switching on 10 kV Shunt Reactor
- High VoltageApparatus Vol. 55, Issue 12, Pages: 32-37(2019)
- 作者机构：
  
  1. 国网重庆市电力公司检修分公司
  2. 重庆大学输配电国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.12.005
  CLC： TM472;TM561.2
- Published：2019
- 稿件说明：
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[1]刘航,陈嵩,孙晓勇,魏钢,杨庆,冉军德.真空断路器合闸10 kV并联电抗器过电压抑制的仿真研究[J].高压电器,2019,55(12):32-37.

LIU Hang, CHEN Song, SUN Xiaoyong, et al. Simulation Research on Overvoltage Suppression of Vacuum Circuit Breaker Switching on 10 kV Shunt Reactor[J]. High voltageapparatus, 2019, 55(12): 32-37.
[1]刘航,陈嵩,孙晓勇,魏钢,杨庆,冉军德.真空断路器合闸10 kV并联电抗器过电压抑制的仿真研究[J].高压电器,2019,55(12):32-37. DOI： 10.13296/j.1001-1609.hva.2019.12.005.

LIU Hang, CHEN Song, SUN Xiaoyong, et al. Simulation Research on Overvoltage Suppression of Vacuum Circuit Breaker Switching on 10 kV Shunt Reactor[J]. High voltageapparatus, 2019, 55(12): 32-37. DOI： 10.13296/j.1001-1609.hva.2019.12.005.

摘要

真空断路器合闸10 kV并联电抗器通常会伴随预击穿

危害系统设备绝缘。根据重庆云阳站的现场试验

分析断路器断口暂态恢复电压

在ATP-EMTP中搭建了等效的断路器预击穿模型。文中采用避雷器和阻容吸收器作为抑制装置。仿真结果表明

安装位置、数量和装置型号对过电压抑制均存在影响。单一的避雷器或者阻容吸收器无法同时抑制多处过电压。此外

安装距离被保护装置越近

抑制效果越好。最终对比分析不同抑制措施下的抑制效果

得到最佳抑制措施。研究工作对实际应用具有一定的指导意义。

Abstract

Vacuum circuit breaker（VCB） switching on 10 kV shunt reactor is usually accompanied with prebreakdown which often causes damage to equipment’s insulation.Based on the field test data of Chongqing Yunyang station

the transient voltage of circuit breaker is analyzed

and an equivalent circuit prebreakdown model is established in ATP-EMTP.MO A and RC absorber are installed as protectors.Simulation results indicates that both installing position and quantity have an influence on overvoltage supression

as well as the device type.One single MOA or RC absorber can not suppress multiple overvoltage simultaneously.Moreover

the closer the installing position is to the protected device

the stronger the suppression effect.By comparing and theoretically analyzing the effect of different suppression measures on overvoltage

eventually

the best suppression measure is raised.The research of this paper has guiding meanings for applications.

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