Investigation of Transient Overvoltage Caused by Circuit Breaker Switching Shunt Reactors in 330 kV GIS

LIU Qing1; ZHAO Feng1; CHEN Liang-jin1; SHI Wei1; YU Zheng3

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Investigation of Transient Overvoltage Caused by Circuit Breaker Switching Shunt Reactors in 330 kV GIS

更新时间：2025-04-26

- Investigation of Transient Overvoltage Caused by Circuit Breaker Switching Shunt Reactors in 330 kV GIS
- High VoltageApparatus Issue 5, Pages: 358-360(2004)
- 作者机构：
  
  1.   西安交通大学电气工程学院
  2.   西北电网公司陕西西安710049西安科技大学电控学院
  3.   陕西西安710054
  4.   陕西西安710049
  5.   陕西西安710048
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM47
- Published：2004
- 稿件说明：
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[1]刘青,赵峰,陈梁金,施围,于睁.330kV GIS中投切电抗器的过电压研究[J].高压电器,2004(05):358-360.

LIU Qing1, ZHAO Feng1, CHEN Liang-jin1, et al. Investigation of Transient Overvoltage Caused by Circuit Breaker Switching Shunt Reactors in 330 kV GIS[J]. High voltageapparatus, 2004, (5): 358-360.
[1]刘青,赵峰,陈梁金,施围,于睁.330kV GIS中投切电抗器的过电压研究[J].高压电器,2004(05):358-360. DOI：

LIU Qing1, ZHAO Feng1, CHEN Liang-jin1, et al. Investigation of Transient Overvoltage Caused by Circuit Breaker Switching Shunt Reactors in 330 kV GIS[J]. High voltageapparatus, 2004, (5): 358-360. DOI：

摘要

在很多情况下

电抗器直接接在GIS母线上

在GIS中开关操作时会产生VFTO

VFTO以行波的方式通过母线传播到套管

并耦合到GIS外部端子、电抗器及与之相连的设备

对其带来危害。以某330kVGIS为例

利用EMTP计算了GIS中投切电抗器时VFTO的幅值、波形

并分析了各种因素对电抗器端部过电压的影响

以及避雷器对该过电压的抑制作用。

Abstract

In many cases

reactors are directly connected to the GIS bus

the circuit breaker operation may generate VFTO

which would propagate towards the bushing along the bus in the form of travelling wave

and be coupled to the outside terminals. The reactor as well as the other equipment connected with the reactor may be subjected to the dangerous stress. This paper computes the waveforms and the maximal amplitudes of such case

and analyses the influence factors. The suppression effect of MOA is also discussed.

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Related Institution

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