Analysis of Short Circuit Accident Analysis about for GIS Isolating Switch Disconnecting Switch Based on ANSYS

LU Qi-fu1; LI Xing-wang1; XU Xiao-gang1; L Hong1; WANG Yu1; CHENG Yang-chun2

doi:10.13296/j.1001-1609.hva.2012.08.015

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Analysis of Short Circuit Accident Analysis about for GIS Isolating Switch Disconnecting Switch Based on ANSYS

更新时间：2025-04-26

- Analysis of Short Circuit Accident Analysis about for GIS Isolating Switch Disconnecting Switch Based on ANSYS
- High VoltageApparatus Vol. 48, Issue 8, Pages: 76-79+85(2012)
- 作者机构：
  
  1. 广东电网公司电力科学研究院高压所
  2. 华北电力大学新能源电力系统国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.08.015
  CLC： TM564.1
- Published：2012
- 稿件说明：
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[1]卢启付,李兴旺,徐晓刚,吕鸿,王宇,程养春.基于ANSYS的GIS隔离开关短路事故分析[J].高压电器,2012,48(08):76-79+85.

LU Qi-fu1, LI Xing-wang1, XU Xiao-gang1, et al. Analysis of Short Circuit Accident Analysis about for GIS Isolating Switch Disconnecting Switch Based on ANSYS[J]. High voltageapparatus, 2012, 48(8): 76-79+85.
[1]卢启付,李兴旺,徐晓刚,吕鸿,王宇,程养春.基于ANSYS的GIS隔离开关短路事故分析[J].高压电器,2012,48(08):76-79+85. DOI： 10.13296/j.1001-1609.hva.2012.08.015.

LU Qi-fu1, LI Xing-wang1, XU Xiao-gang1, et al. Analysis of Short Circuit Accident Analysis about for GIS Isolating Switch Disconnecting Switch Based on ANSYS[J]. High voltageapparatus, 2012, 48(8): 76-79+85. DOI： 10.13296/j.1001-1609.hva.2012.08.015.

摘要

笔者基于一起真实的GIS短路事故

对隔离开关动静触头不对中造成的屏蔽罩变形和弹簧断裂作了认真分析

并采用ANSYS软件对屏蔽罩变形情况进行了电场仿真计算。分析发现GIS内部绝缘强度对电场畸变非常敏感

任何外界因素改变GIS内部的电场均匀性

都会造成电场强度超过允许值

造成内部绝缘击穿。

Abstract

The paper discussesaking a real short-circuit accident of GIS for example.We calculated the electrical field of shield cover by ANSYS

and analyzed the influences of shield cover deformation and spring fracture caused by misalignment of moving contact and static contact of the isolating switch.It is concluded that we found GIS is very sensitive to the internal distortion of the internal electric field.When the any external factor changes the uniformity of the internal electric field of in GIS

it will lead to the electric field will exceeds the allowable value to cause insulation breakdown.

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