Electric Field Analysis and Structure Optimization for High Voltage Insulation Bushing

JIN Lijun; GUO Yu; XUE Yifei; ZHAO Bonan; CHEN Jie

doi:10.13296/j.1001-1609.hva.2015.04.002

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Electric Field Analysis and Structure Optimization for High Voltage Insulation Bushing

更新时间：2025-04-26

- Electric Field Analysis and Structure Optimization for High Voltage Insulation Bushing
- High VoltageApparatus Vol. 51, Issue 4, Pages: 7-12+18(2015)
- 作者机构：
  
  1. 同济大学电子与信息工程学院
  2. 2. 上海西安高压电器研究所有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.04.002
  CLC： TM216.5;TM564
- Published：2015
- 稿件说明：
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[1]金立军,郭裕,薛义飞,赵伯楠,陈洁.高压绝缘套管电场分析及结构优化[J].高压电器,2015,51(04):7-12+18.

JIN Lijun, GUO Yu, XUE Yifei, et al. Electric Field Analysis and Structure Optimization for High Voltage Insulation Bushing[J]. High voltageapparatus, 2015, 51(4): 7-12+18.
[1]金立军,郭裕,薛义飞,赵伯楠,陈洁.高压绝缘套管电场分析及结构优化[J].高压电器,2015,51(04):7-12+18. DOI： 10.13296/j.1001-1609.hva.2015.04.002.

JIN Lijun, GUO Yu, XUE Yifei, et al. Electric Field Analysis and Structure Optimization for High Voltage Insulation Bushing[J]. High voltageapparatus, 2015, 51(4): 7-12+18. DOI： 10.13296/j.1001-1609.hva.2015.04.002.

摘要

高压绝缘套管是气体绝缘金属封闭开关设备（GIS）高电压与地电位绝缘的重要元件

其均匀的电场分布与合理的结构是GIS安全运行的保证。笔者针对252 k V GIS高压绝缘套管结构设计与电场分布问题

以电磁场理论为基础

通过建立高压绝缘套管电场分布计算的数学模型和基于ANSYS软件的套管电场分布的仿真分析

对套管接地内屏蔽附近电场分布对套管外表面局部区域电场强度的影响进行研究

并据此对套管内屏蔽进行结构设计。套管内屏蔽结构参数的优化结果表明

套管外表面的最大切向场强降低了约29%

使其绝缘性能有了明显的提高。

Abstract

Uniform electric field distribution and reasonable structure of high voltage insulation bushing will guarantee safe operation of GIS. A mathematical model for calculating the electric field distribution of the high voltage insulation bushing is established in this paper to perform the structure design and electric field distribution optimization. Simulation and analysis of the electric field distribution of the bushing are conducted with the software ANSYS. And the effect of the electric field distribution around the inner-grounded electrode on the electric field strength on partial surface of the bushing is analyzed to design the structure of the inner-grounded electrode. Further optimization of the structural parameters of the inner-grounded electrode by ANSYS achieves a significant decrease of 29% in the maximum tangential electric field strength on partial surface of the bushing

thus the insulation performance of the bushing is significantly improved.

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