Optimization Design of the Main Switch Mechanism of High Voltage Disconnector Based on Improved Genetic Algorithm

JIANG Penglin; HU Ming; WU Quanfeng; LIN Qingyun; LI Weizhong; YE Jiekai; LU Mingxue

doi:10.13296/j.1001-1609.hva.2026.01.004

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Optimization Design of the Main Switch Mechanism of High Voltage Disconnector Based on Improved Genetic Algorithm

Research & Analysis | 更新时间：2026-04-13

- Optimization Design of the Main Switch Mechanism of High Voltage Disconnector Based on Improved Genetic Algorithm
- High Voltage Apparatus Vol. 62, Issue 1, Pages: 25-31(2026)
- 作者机构：
  
  浙江理工大学机电产品可靠性分析与测试国家地方联合工程研究中心，杭州　310018
  西门子能源高压开关（杭州）有限公司，杭州　310018
  丽水市特种设备检测院，浙江丽水　323000
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.01.004
  CLC：
- Received：15 July 2025，
  
  Revised：2025-10-08，
  
  Published：16 January 2026
- 稿件说明：
移动端阅览
JIANG Penglin, HU Ming, WU Quanfeng, et al. Optimization Design of the Main Switch Mechanism of High Voltage Disconnector Based on Improved Genetic Algorithm[J]. High Voltage Apparatus, 2026, 62(1): 25-31.
DOI：

JIANG Penglin, HU Ming, WU Quanfeng, et al. Optimization Design of the Main Switch Mechanism of High Voltage Disconnector Based on Improved Genetic Algorithm[J]. High Voltage Apparatus, 2026, 62(1): 25-31. DOI： 10.13296/j.1001-1609.hva.2026.01.004.

摘要

水平伸缩式高压隔离开关因其占地面积小、产生断口明显，在高压电网中应用广泛。但其主开关机构在分合闸过程中产生较大的重力矩变化，除需配置合适的平衡弹簧，还需对结构进行优化设计，以减小机构所需驱动力矩。文中以550 kV交流高压隔离开关为对象，对主开关机构进行力学分析，并基于改进遗传算法对主开关机构进行优化设计、建立动力学仿真模型并进行验证，确定高压隔离开关工作时所需电机驱动力矩的最小值。结果表明，改进遗传算法相比传统方案所需最大电机驱动力矩减小22%，驱动力矩变化量减小43%。优化后的水平伸缩式高压隔离开关主开关机构传动部件受力及动作过程中力矩变化量减小，进而提高高压隔离开关分合闸动作的平稳性。

Abstract

Horizontal pantograph high voltage disconnector is widely used in high voltage power grid due to its small footprint and provision of a clearly visible isolation gap. However

a large variation of gravity torque of the main blade mechanism is generated during the opening and closing operation. In addition to installing the appropriate switch spring

the structure also needs to be optimized so to reduce the driving torque required by the mechanism. In this paper

the 550 kV AC high voltage disconnector is taken as the object

the mechanical analysis of the main switch mechanism is performed and

on the basis of the improved genetic algorithm

the optimized design of the main switch mechanism is performed

the dynamic simulation model is set up and verified so to determine the minimum value of the motor driving torque required for the high voltage disconnector. The results show that the maximum motor driving torque required by the improved genetic algorithm

compared with the traditional scheme

is reduced by 22% and the variation of driving torque is reduced by 43%. After the optimization

the force of the transmission part of the main switch mechanism of the horizontal pantograph high-voltage disconnector and the torque variation during the operation period are reduced

thereby improving the stability of the opening and closing operation of the high-voltage disconnector.

关键词

Keywords

references

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