Analysis of Overhead Line Power Frequency Electric Field and Its Shielding Effectiveness Based on Sensitivity

WANG Li1; ZHOU Wei1; XIAO Bo1; LIN Yin-yu1; XIONG Lan2; SONG Dao-jun2

doi:10.13296/j.1001-1609.hva.2012.07.018

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Analysis of Overhead Line Power Frequency Electric Field and Its Shielding Effectiveness Based on Sensitivity

更新时间：2025-04-26

- Analysis of Overhead Line Power Frequency Electric Field and Its Shielding Effectiveness Based on Sensitivity
- High VoltageApparatus Vol. 48, Issue 7, Pages: 76-80+87(2012)
- 作者机构：
  
  1. 重庆市电力公司市区供电局
  2. 重庆大学输配电装备及系统安全与新技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.07.018
  CLC： TM726.3
- Published：2012
- 稿件说明：
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[1]王礼,周为,肖波,林荫宇,熊兰,宋道军.基于敏感度的架空线路工频电场及其屏蔽效能分析[J].高压电器,2012,48(07):76-80+87.

WANG Li1, ZHOU Wei1, XIAO Bo1, et al. Analysis of Overhead Line Power Frequency Electric Field and Its Shielding Effectiveness Based on Sensitivity[J]. High VoltageApparatus, 2012, 48(7): 76-80+87.
[1]王礼,周为,肖波,林荫宇,熊兰,宋道军.基于敏感度的架空线路工频电场及其屏蔽效能分析[J].高压电器,2012,48(07):76-80+87. DOI： 10.13296/j.1001-1609.hva.2012.07.018.

WANG Li1, ZHOU Wei1, XIAO Bo1, et al. Analysis of Overhead Line Power Frequency Electric Field and Its Shielding Effectiveness Based on Sensitivity[J]. High VoltageApparatus, 2012, 48(7): 76-80+87. DOI： 10.13296/j.1001-1609.hva.2012.07.018.

摘要

超、特高压输电迅速发展

并逐渐成为跨区域、跨省的骨架电网

走廊的电磁辐射问题成为关注的热点之一。针对某500 kV单回路输电线路

首先采用模拟电荷法分析走廊沿线电场强度的空间分布特性

并基于多元敏感度分析给出线路参数对走廊附近电场分布特性的影响程度。其次

针对电场强度分布不均和部分区域场强明显超标的问题

同样基于敏感度分析了接地屏蔽导线线径、架设位置对其屏蔽效能的影响

并给出了接地屏蔽线的最佳线径和架设位置。

Abstract

With the rapid development of UHV/EHV power grid as cross-regional

inter-provincial backbone network

the electromagnetic radiation under transmission lines become one of hot issues.In this paper

the spatial distribution properties of electric field under transmission lines of a 500 kV single circuit is discussed with charge simulation method（CSM） firstly

and sensitivity analysis based on multi-element function of the transmission-line parameters on distribution characteristics of the electric field is also analyzed.Secondly

aiming to optimize the non-equilibrium distribution of electric field intensity and excessive field strength of some areas

the effect of diameter and location parameters of the ground shielding wire is analyzed using sensitivity method and the best diameter and location parameters of the ground shielding wire is also given.

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Related Author

XIONG Lan1

SONG Dao-jun1

ZHANG You-li2

TANG Tao3

XIAO Bo2

YANG Fan1

HE Wei1

WANG Weifang

Related Institution

City Power Supply Bureau of Chongqing Electric Power Company

Yibin Electric Power Bureau,Sichuan Power Grid

Key Laboratory of Control of Power Transmission and Conversion, Shanghai Jiao Tong University

State Grid Shanghai Municipal Electric Power Company

NARI Group Corporation/State Grid Electric Power Research Institute

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