Design and Development of the Operation Mechanism for Three-position Disconnector of GIS at 40.5 kV and Below

ZHANG Yanxiao; ZHANG Jie; WU Wei; JIA Chenxi; HUANG Yong

doi:10.13296/j.1001-1609.hva.2026.05.010

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Design and Development of the Operation Mechanism for Three-position Disconnector of GIS at 40.5 kV and Below

Research & Analysis | 更新时间：2026-05-13

- Design and Development of the Operation Mechanism for Three-position Disconnector of GIS at 40.5 kV and Below
- High Voltage Apparatus Vol. 62, Issue 5, Pages: 94-100(2026)
- 作者机构：
  
  许继集团有限公司，河南许昌 461000
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.05.010
  CLC：
- Received：19 September 2025，
  
  Revised：2025-11-21，
  
  Published：16 May 2026
- 稿件说明：
移动端阅览
ZHANG Yanxiao, ZHANG Jie, WU Wei, et al. Design and Development of the Operation Mechanism for Three-position Disconnector of GIS at 40.5 kV and Below[J]. High Voltage Apparatus, 2026, 62(5): 94-100.
DOI：

ZHANG Yanxiao, ZHANG Jie, WU Wei, et al. Design and Development of the Operation Mechanism for Three-position Disconnector of GIS at 40.5 kV and Below[J]. High Voltage Apparatus, 2026, 62(5): 94-100. DOI： 10.13296/j.1001-1609.hva.2026.05.010.

摘要

文中设计与开发了一种40.5 kV及以下GIS直动式三工位隔离开关配用的操作机构，解决了三工位隔离开关定位不精确、电气信号发生故障或延迟时无法实现开关本体动触头极限位置的准确限位、手动操作时无法精确到位、与断路器的联锁等问题。文中先介绍了该三工位隔离开关操作机构的整体布局，然后结合其功能需求，从位置定位、极限位置机械限位、手动操作到位确认、与断路器之间的联锁4个方面出发，对其进行详细的介绍。结果表明，该机构操作可靠、功能完善、结构紧凑、安全性高，并已在多个工程广泛应用。

Abstract

In this paper a operating mechanism for direct acting three-position disconnector of GIS at 40.5 kV and below is designed and developed

which has solved such problems as inaccurate positioning of the three-position disconnector

inability to accurately limit the extreme position of the switch's moving contact in case of either electrical signal failure or delay

inability to accurately position during manual operation and interlocking with the circuit breaker. The overall layout of the operating mechanism for the three- position disconnector is introduced firstly. Then

it is inroduced in detail in combination with its function requirement and also from such four aspects as position positioning

mechanical limit of the extreme position

confirmation of manual operation in place

and interlocking with the circuit breaker. The results show that the mechanism is reliable in operation

coprehensive in fucntion

compact in structure and high in safety

and has been widely applied in multiple projects.

关键词

Keywords

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