Electric Field Simulation and Insulation Failure Analysis of GIS Disconnector Gas Chamber

YANG Wei; ZHU Taiyun; ZHAO Hengyang; ZHANG Guobao; CAI Mengyi; SONG Dongbo

doi:10.13296/j.1001-1609.hva.2020.08.031

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Electric Field Simulation and Insulation Failure Analysis of GIS Disconnector Gas Chamber

更新时间：2025-04-26

- Electric Field Simulation and Insulation Failure Analysis of GIS Disconnector Gas Chamber
- High VoltageApparatus Vol. 56, Issue 8, Pages: 205-210(2020)
- 作者机构：
  
  国网安徽省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.08.031
  CLC： TM595
- Published：2020
- 稿件说明：
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[1]杨为,朱太云,赵恒阳,张国宝,蔡梦怡,宋东波.GIS隔离开关气室电场模拟与绝缘故障分析[J].高压电器,2020,56(08):205-210.

YANG Wei, ZHU Taiyun, ZHAO Hengyang, et al. Electric Field Simulation and Insulation Failure Analysis of GIS Disconnector Gas Chamber[J]. High voltageapparatus, 2020, 56(8): 205-210.
[1]杨为,朱太云,赵恒阳,张国宝,蔡梦怡,宋东波.GIS隔离开关气室电场模拟与绝缘故障分析[J].高压电器,2020,56(08):205-210. DOI： 10.13296/j.1001-1609.hva.2020.08.031.

YANG Wei, ZHU Taiyun, ZHAO Hengyang, et al. Electric Field Simulation and Insulation Failure Analysis of GIS Disconnector Gas Chamber[J]. High voltageapparatus, 2020, 56(8): 205-210. DOI： 10.13296/j.1001-1609.hva.2020.08.031.

摘要

隔离开关广泛应用于气体绝缘开关设备（GIS）中

文中采用三维有限元电场分析软件

建立了GIS隔离开关气室的三维电场仿真模型

计算了GIS隔离开关气室内各部件的电场分布

研究了金属异物对隔离开关气室内部SF6间隙电场分布的影响规律

发现金属异物的存在引起隔离开关动触头屏蔽罩附近场强发生明显畸变

可能会导致GIS隔离开关气室绝缘故障。文中研究通过电场模拟手段

分析了金属异物对GIS隔离开关气室内部电场分布的影响

为今后GIS类似故障的处理分析提供借鉴与参考。

Abstract

The disconnector is widely used in gas insulated switchgear（GIS）. In this paper

the three-dimensional finite element electric field analysis software is used to establish the three-dimensional electric field simulation model of a GIS disconnector gas chamber. The electric field distribution in the gas chamber of GIS disconnector has been computed. The influence of metallic particle on the electric field distribution of SF

gap inside the gas chamber has been investigated. It is found that the presence of metallic particle causes obvious distortion of electric field distribution near the shielding cover of moving contact of GIS disconnector

it may cause the insulation failure of GIS disconnector. By means of electric field simulation

the influence of met

allic particle on the electric field distribution inside the gas chamber of GIS disconnector has been analyzed

which can also be used for reference and analysis of similar failures of GIS in the future.

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