Research on Influence of Operation Modes on Over-voltage of Shunt Reactor Switching by Vacuum Circuit Breaker

SUN Dexing; LI Yuanjia; JIANG Xushuo; YE Maoquan; ZHANG Ke; YANG Song; HUANG Qiuda

doi:10.13296/j.1001-1609.hva.2022.03.011

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Research on Influence of Operation Modes on Over-voltage of Shunt Reactor Switching by Vacuum Circuit Breaker

更新时间：2025-04-26

- Research on Influence of Operation Modes on Over-voltage of Shunt Reactor Switching by Vacuum Circuit Breaker
- High VoltageApparatus Vol. 58, Issue 3, Pages: 78-85(2022)
- 作者机构：
  
  1. 广东电网有限责任公司东莞供电局
  2. 华南理工大学电力学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2022.03.011
  CLC： TM472;TM561.2
- Published：2022
- 稿件说明：
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SUN Dexing, LI Yuanjia, JIANG Xushuo, et al. Research on Influence of Operation Modes on Over-voltage of Shunt Reactor Switching by Vacuum Circuit Breaker[J]. High voltageapparatus, 2022, 58(3): 78-85.
DOI：

SUN Dexing, LI Yuanjia, JIANG Xushuo, et al. Research on Influence of Operation Modes on Over-voltage of Shunt Reactor Switching by Vacuum Circuit Breaker[J]. High voltageapparatus, 2022, 58(3): 78-85. DOI： 10.13296/j.1001-1609.hva.2022.03.011.

摘要

针对真空断路器开断并联电抗器产生过电压故障的难题，文中基于Helmer J的真空断路器仿真模型，结合断路器相间耦合和断路器断口间杂散电容、损耗，在ATP中建立真空断路器开断并联电抗器过电压仿真计算模型，并在故障现场搭建试验平台进行试验验证。仿真研究了AVC控制的电抗器退出电压、PT运维方式与电缆长度、电缆型号对电抗器首端过电压、站用变首端过电压的影响。研究结果表明，AVC控制的电抗器退出电压对过电压影响不明显，而PT的运行方式、电缆型号对过电压影响较大，随电缆长度增加，过电压幅值逐步减小，并趋向缓和。

Abstract

In view of the problem of over-voltage during interrupting shunt reactor by vacuum circuit breaker

the simulation and calculation model of interrupting shunt reactor by vacuum circuit breaker is set up in ATP on the basis of Helmer J’s vacuum circuit breaker simulation model and in combination with interphase coupling of circuit breaker

the stray capacitance and loss across open contacts of the circuit breakers.The test verification is performed by setting up the test platform in the fault site. The influence of the the exit voltage of reactor which is controlled by AVC

operation and maintenance method of PT

length and type of cable on the over-voltage at the head end of reactor and of the station transformer are simulated and studied. The research results show that the influence of the exit voltage of the AVC-controlled reactor on the over-voltage is not obvious. While

the influence of operation mode of PT and type of cable on the over-voltage is larger. With the increase of the length of cable

the over-voltage amplitude gradually decreases and tends to ease.

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