Study on Suppression of Switching Overvoltage Caused by Operation of Disconnector in GIS

RUAN Quan-rong; SHI Wei; WANG Liang

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Study on Suppression of Switching Overvoltage Caused by Operation of Disconnector in GIS

更新时间：2025-04-26

- Study on Suppression of Switching Overvoltage Caused by Operation of Disconnector in GIS
- High VoltageApparatus Issue 1, Pages: 18-20+24(2006)
- 作者机构：
  
  1. 西安交通大学电气工程学院
  2. 西安交通大学电气工程学院陕西西安 710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM564
- Published：2006
- 稿件说明：
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[1]阮全荣,施围,王亮.限制GIS中隔离开关操作引起过电压的研究[J].高压电器,2006(01):18-20+24.

RUAN Quan-rong, SHI Wei, WANG Liang. Study on Suppression of Switching Overvoltage Caused by Operation of Disconnector in GIS[J]. High voltageapparatus, 2006, (1): 18-20+24.
[1]阮全荣,施围,王亮.限制GIS中隔离开关操作引起过电压的研究[J].高压电器,2006(01):18-20+24. DOI：

RUAN Quan-rong, SHI Wei, WANG Liang. Study on Suppression of Switching Overvoltage Caused by Operation of Disconnector in GIS[J]. High voltageapparatus, 2006, (1): 18-20+24. DOI：

摘要

根据GIS的结构特点

对一种带有并联电阻的隔离开关抑制VFTO的机理、作用进行了数值分析。通过研究可知

由于隔离开关分合闸电阻有抑制VFTO的作用

GIS中所产生的VFTO的幅值不高

这对于GIS以及连接设备和二次控制装置的绝缘不会构成危害

但是GIS中的VFTO频率很高

对带有绕组的电气设备的绝缘水平

如变压器

会带来一定的影响。

Abstract

Base on the structural characteristic of GIS

the mechanism and effects of disconnector with shunt resistor to depress VFTO are simulated and analyzed in this paper. Through the research

it is concluded that because the closing resistor of the disconnector can depress VFTO

the amplitude of VFTO in GIS is low

so it will not endanger the insulation of GIS

including its connecting equipment and control device in secondary side. But because the frequency of VFTO in GIS is very high

the insulation of the equipment with windings

such as transformers

can be influenced.

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