Structure Types of Three-position Disconnector and Earthing Switches for High Voltage GIS

WU Xiaohu; LYU Dongming; GAO Meihua; YAN Min; YANG Qingqing; SONG Peng; FU Jie

doi:10.13296/j.1001-1609.hva.2024.01.023

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Structure Types of Three-position Disconnector and Earthing Switches for High Voltage GIS

Technical Discussion | 更新时间：2025-04-26

- Structure Types of Three-position Disconnector and Earthing Switches for High Voltage GIS
- High Voltage Apparatus Vol. 60, Issue 1, Pages: 197-204(2024)
- 作者机构：
  
  1.川开电气有限公司，成都　 610200
  2.青岛特锐德电气股份有限公司，山东　青岛　 266000
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2024.01.023
  CLC：
- Received：20 August 2023，
  
  Revised：13 November 2023，
  
  Published：16 January 2024
- 稿件说明：
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WU Xiaohu, LYU Dongming, GAO Meihua, et al. Structure Types of Three-position Disconnector and Earthing Switches for High Voltage GIS[J]. High voltage apparatus, 2024, 60(1): 197-204.
DOI：

WU Xiaohu, LYU Dongming, GAO Meihua, et al. Structure Types of Three-position Disconnector and Earthing Switches for High Voltage GIS[J]. High voltage apparatus, 2024, 60(1): 197-204. DOI： 10.13296/j.1001-1609.hva.2024.01.023.

摘要

文中介绍了72.5 kV及以上气体绝缘金属封闭开关设备（简称GIS）常用的3种结构类型的三工位隔离接地开关：双导电杆连杆传动的三工位隔离接地开关、滚珠丝杠传动的三工位隔离接地开关、齿轮齿条传动的三工位隔离接地开关。这3种三工位隔离接地开关有别于传统的旋转闸刀式结构，都是属于国内外主流的动触头直动插入式结构。通过对这3种三工位隔离接地开关结构、滑动电联接形式以及运动形式的阐述，分析了各种结构的优势，为GIS核心模块部件的改进和优化设计提供技术指导。

Abstract

Such three types of three-position disconnector and earthing switches as the three position isolating earthing switch driven by double conducting rod connecting rod

by ball screw and by rack and pinion

which are commonly used in GIS at 72.5 kV and above

are described in this paper. These three types of three position isolating grounding switches are different from the traditional blade rotary strcuture

which are the mainstream type of moving contact plug-in both at home and abroad. Through the description of the structure

sliding electrical connection form and movement form of the three three position isolated grounding switches

the advantages of each structure are analyzed

which provides technical guidance for the improvement and optimization design of the core module components of GIS.

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