Mechanical Characteristics Analysis of New Type of Anti-interference Disconnector Under Wind Load

WANG Qiaohong; WEN Qingguo; LI Fuyong; SUN Longyong; FU Yaxu; GUO Haitao; LI Yupeng; YAO Canjiang

doi:10.13296/j.1001-1609.hva.2024.03.008

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Mechanical Characteristics Analysis of New Type of Anti-interference Disconnector Under Wind Load

Research & Analysis | 更新时间：2025-04-26

- Mechanical Characteristics Analysis of New Type of Anti-interference Disconnector Under Wind Load
- High Voltage Apparatus Vol. 60, Issue 3, Pages: 58-68(2024)
- 作者机构：
  
  1.河南平高电气股份有限公司，河南　平顶山　 467001
  2.西安建筑科技大学机电工程学院，西安　 710055
- 作者简介：
- 基金信息：
  
  2021 Annual Research Development Projects of Pinggao Group(529100210002W)
- DOI：10.13296/j.1001-1609.hva.2024.03.008
  CLC：
- Received：09 October 2023，
  
  Revised：10 December 2023，
  
  Published：16 March 2024
- 稿件说明：
移动端阅览
WANG Qiaohong, WEN Qingguo, LI Fuyong, et al. Mechanical Characteristics Analysis of New Type of Anti-interference Disconnector Under Wind Load[J]. High voltage apparatus, 2024, 60(3): 58-68.
DOI：

WANG Qiaohong, WEN Qingguo, LI Fuyong, et al. Mechanical Characteristics Analysis of New Type of Anti-interference Disconnector Under Wind Load[J]. High voltage apparatus, 2024, 60(3): 58-68. DOI： 10.13296/j.1001-1609.hva.2024.03.008.

摘要

户外高压隔离开关是电力传输系统的核心设备，但常受到外界风力等干扰而造成合闸失败的影响，因此设计了一种抗干扰的新型高压隔离开关。为了进一步研究该新型隔离开关在风载作用下的力学特性，首先在Fluent软件中对高压隔离开关风场阻转矩计算模型进行构建，计算得到风场来流方向在导电杆上产生的阻转矩大小。然后在有限元软件Ansys中建立了新型隔离开关的有限元模型，最后通过将风载所产生的阻转矩施加到仿真模型上进行力学特性分析。结果表明：隔离开关的变形量及应力集中的位置均位于支架的销轴孔位置，断定该处属于隔离开关的薄弱环节，应重点考虑该处的加固处理。通过以上仿真分析，为隔离开关抗风优化设计提供依据。

Abstract

The outdoor high voltage disconnector

as the core equipment of the power transmission system

is often affected by the failure of closing operation due to interference of external wind force. Therefore

a kind of new type of anti-interference high voltage disconnector is designed. For studying the mechanical characteristics of the new disconnector under wind load further

firstly

the calculation model of wind field resistance torque of high voltage disconnector is constructed in Fluent software

and the resistance torque generated by the direction of wind field flow on the conducting rod is calculated. Then

the finite element model of the new disconnector is set up in the finite element software Ansys. Finally

the mechanical characteristics of the new disconnector are analyzed by applying the resistance torque generated by wind load to the simulation model. The results show that the deformation and stress concentration position of the disconnector are located in the pin hole of the support

which is judged to be the weak link of the disconnector

and on which the reinforcement treatment should be particularly considered. The simulation analysis mentioned above provides the basis for the wind resistance optimization design of the disconnector.

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