Path Optimization Design of Equipotential Live Working in 1 000 kV UHV Transmission Lines

ZHANG Yujiao; CHEN Yanran; WANG Liangkai; ZHI Li; HUANG Xiongfeng

doi:10.13296/j.1001-1609.hva.2020.04.021

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Path Optimization Design of Equipotential Live Working in 1 000 kV UHV Transmission Lines

更新时间：2025-04-26

- Path Optimization Design of Equipotential Live Working in 1 000 kV UHV Transmission Lines
- High VoltageApparatus Vol. 56, Issue 4, Pages: 133-139(2020)
- 作者机构：
  
  1. 三峡大学电气与新能源学院
  2. 合肥工业大学电气与自动化工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.04.021
  CLC： TM84
- Published：2020
- 稿件说明：
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[1]张宇娇,陈嫣冉,王良凯,智李,黄雄峰.1000 kV特高压线路带电作业等电位过程路径优化设计[J].高压电器,2020,56(04):133-139.

ZHANG Yujiao, CHEN Yanran, WANG Liangkai, et al. Path Optimization Design of Equipotential Live Working in 1 000 kV UHV Transmission Lines[J]. High voltageapparatus, 2020, 56(4): 133-139.
[1]张宇娇,陈嫣冉,王良凯,智李,黄雄峰.1000 kV特高压线路带电作业等电位过程路径优化设计[J].高压电器,2020,56(04):133-139. DOI： 10.13296/j.1001-1609.hva.2020.04.021.

ZHANG Yujiao, CHEN Yanran, WANG Liangkai, et al. Path Optimization Design of Equipotential Live Working in 1 000 kV UHV Transmission Lines[J]. High voltageapparatus, 2020, 56(4): 133-139. DOI： 10.13296/j.1001-1609.hva.2020.04.021.

摘要

特高压线路电压等级高、结构尺寸大、局部场强畸变更严重等特点给带电作业提出更高的技术要求。为研究1 000 kV特高压交流线路采用吊篮法等电位作业的最优路径

文中利用有限元法计算分析了作业人员等电位作业过程中的体表场强动态分布

并结合粒子群优化算法求解等电位作业的最优路径

最后对路径安全性进行了现场试验。研究结果表明:特高压交流直线塔带电作业人体表面最大场强约为2 468 kV/m

现有防护措施能够保证带电作业人身安全;试验数据验证了路径优化方法的可行性和可靠性

为后续特高压线路其它塔型等电位作业路径选取提供设计参考。

Abstract

The UHV has higher voltage

larger structural size and more serious local field distortion

which puts higher technical requirements for live working.In order to explore the optimal path when using the hanging basket method for equipotential operation of 1 000 kV UHV AC line live working

this paper uses the FEM to calculate the dynamic distribution of the surface field strength of the workers during the process of entering the equipotential.Combined with the particle swarm optimization algorithm

the optimal path of the equipotential is obtained.Finally

the field safety of the optimized path is tested.The research results show that the maximum field strength of the human body surface is approximately 2 468 kV/m

and the existing safety protection measures can ensure the personal safety of the UHV live working.The test data verifies the feasibility and reliability of the path optimization method

and provides a design reference for the path selection of other tower-type live working in UHV lines.

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