Electric Field Analysis and Optimum Design of Electric Field in Isolation Part of 35 kV Bypass Switch

CUI Yukun; CAO An’quan; LIU Yu; CHEN Minghuang; ZHENG Ruzhan

doi:10.13296/j.1001-1609.hva.2021.06.029

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Electric Field Analysis and Optimum Design of Electric Field in Isolation Part of 35 kV Bypass Switch

更新时间：2025-04-26

- Electric Field Analysis and Optimum Design of Electric Field in Isolation Part of 35 kV Bypass Switch
- High VoltageApparatus Vol. 57, Issue 6, Pages: 222-227(2021)
- 作者机构：
  
  1. 武汉华仪智能设备有限公司
  2. 云南电网有限责任公司红河供电局
  3. 华仪电气股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.06.029
  CLC： TM564
- Published：2021
- 稿件说明：
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CUI Yukun, CAO An’quan, LIU Yu, et al. Electric Field Analysis and Optimum Design of Electric Field in Isolation Part of 35 kV Bypass Switch[J]. High voltageapparatus, 2021, 57(6): 222-227.
DOI：

CUI Yukun, CAO An’quan, LIU Yu, et al. Electric Field Analysis and Optimum Design of Electric Field in Isolation Part of 35 kV Bypass Switch[J]. High voltageapparatus, 2021, 57(6): 222-227. DOI： 10.13296/j.1001-1609.hva.2021.06.029.

摘要

由于35 kV旁路不停电作业设备(35 kV旁路开关)的设计在国内外都还没有成熟的产品和经验可以借鉴

针对35 kV旁路不停电作业设备的绝缘设计优化问题

现基于有限元软件MAXWELL对35 kV旁路不停电作业设备进行3D建模仿真

分析其电场集中最严重的部位即隔离开关处的电场分布情况

发现高压件与绝缘件之间的小气体间隙会导致局部电场集中与放电现象

同时采用适宜的断口距离和电极形状也能改善电场分布。

Abstract

In view of insulation design optimization for 35 kV bypass live operation equipment（35 kV bypass switch）which is lack of mature product design and experience reference both at home and abroad

the 3D modeling and simulation of it are performed based on finite element software MAXWELL and electric field distribution at the disconnector-the part with most serious electric field concentration

is analyzed

finding small gas gap between the high voltage part and insulating part can lead to the phenomenon of local electric field concentration and discharge. At the same time

the adoption of appropriate break distance and electrode shape can also improve the electric field distribution.

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