Simulation Analysis on Electric Field Intensity of 500/220 kV Four-circuit-on-one-tower Transmission Line for Live Working

LUO Richeng; TANG Xiangsheng; LI Zhiqian; CHEN Yao

doi:10.13296/j.1001-1609.hva.2015.08.028

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Simulation Analysis on Electric Field Intensity of 500/220 kV Four-circuit-on-one-tower Transmission Line for Live Working

更新时间：2025-04-26

- Simulation Analysis on Electric Field Intensity of 500/220 kV Four-circuit-on-one-tower Transmission Line for Live Working
- High VoltageApparatus Vol. 51, Issue 8, Pages: 164-170(2015)
- 作者机构：
  
  长沙理工大学电气与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.08.028
  CLC： TM75;TM84
- Published：2015
- 稿件说明：
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[1]罗日成,唐祥盛,李志前,陈瑶.500/220kV同塔四回输电线路带电作业电场仿真分析[J].高压电器,2015,51(08):164-170.

LUO Richeng, TANG Xiangsheng, LI Zhiqian, et al. Simulation Analysis on Electric Field Intensity of 500/220 kV Four-circuit-on-one-tower Transmission Line for Live Working[J]. High voltageapparatus, 2015, 51(8): 164-170.
[1]罗日成,唐祥盛,李志前,陈瑶.500/220kV同塔四回输电线路带电作业电场仿真分析[J].高压电器,2015,51(08):164-170. DOI： 10.13296/j.1001-1609.hva.2015.08.028.

LUO Richeng, TANG Xiangsheng, LI Zhiqian, et al. Simulation Analysis on Electric Field Intensity of 500/220 kV Four-circuit-on-one-tower Transmission Line for Live Working[J]. High voltageapparatus, 2015, 51(8): 164-170. DOI： 10.13296/j.1001-1609.hva.2015.08.028.

摘要

500 k V与220 k V交流同塔四回输电线路与单一电压等级超高压线路的空间分布具有较大区别

线路带电作业电场环境更为复杂。笔者采用有限元法仿真计算同塔四回输电线路典型带电作业位置的电场分布特点

通过建立人体仿真模型

计算分析等电位和地电位典型作业工况下人体不同部位的电场强度

进而确定带电作业人员安全防护措施。结果表明

等电位作业时需穿屏蔽效率为40 d B的防护服

地电位作业人员穿戴常规防护服可满足作业要求。

Abstract

The spatial distribution of 500 k V and 220 k V four-circuit-on-one-tower transmission line is quite different from that of the UHV transmission line with single voltage level

and its electric field environment of live working is more complex. In this paper

the finite element method is used to simulate the electric field distribution of the four-circuit-on-one-tower transmission line

and a human body simulation model is established to calculate and analyse the electric field intensity on different parts of the human body in equipotential and ground potential conditions

and hence to select safety protection measures for the persons of live working. It is concluded that the protective clothing with shielding efficiency of 40 d B is necessary for the person who works in equipotential condition

and the conventional protective clothing is safe for the person who works in ground potential condition.

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