Shielding Lines under the EHV Lines Affect on Power Electric-field

YANG Fang1; ZHENG Ya-li2; ZHANG Xi-peng3

doi:10.13296/j.1001-1609.hva.2011.07.012

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Shielding Lines under the EHV Lines Affect on Power Electric-field

更新时间：2025-04-26

- Shielding Lines under the EHV Lines Affect on Power Electric-field
- High VoltageApparatus Vol. 47, Issue 7, Pages: 64-68(2011)
- 作者机构：
  
  1. 广西电网公司贺州供电局
  2. 重庆大学电气工程学院高电压与电工新技术教育部重点实验室
  3. 重庆市电力公司璧山供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.07.012
  CLC： TM726.1
- Published：2011
- 稿件说明：
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[1]杨芳,郑亚利,张西鹏.超高压输电线下屏蔽线对工频电场的影响[J].高压电器,2011,47(07):64-68.

YANG Fang1, ZHENG Ya-li2, ZHANG Xi-peng3. Shielding Lines under the EHV Lines Affect on Power Electric-field[J]. High voltageapparatus, 2011, 47(7): 64-68.
[1]杨芳,郑亚利,张西鹏.超高压输电线下屏蔽线对工频电场的影响[J].高压电器,2011,47(07):64-68. DOI： 10.13296/j.1001-1609.hva.2011.07.012.

YANG Fang1, ZHENG Ya-li2, ZHANG Xi-peng3. Shielding Lines under the EHV Lines Affect on Power Electric-field[J]. High voltageapparatus, 2011, 47(7): 64-68. DOI： 10.13296/j.1001-1609.hva.2011.07.012.

摘要

为降低超高压输电线下工频电场对周围环境及人群的影响

笔者基于模拟电荷法

建立了超高压输电线路下方架设屏蔽线时计算工频电场强度的数学模型

并运用MATLAB软件对某500 kV输电线路下方架设屏蔽线后的工频电场强度进行仿真计算。重点分析了屏蔽线的架设数目、架设高度及排列方式对超高压输电线路下方工频电场强度分布的影响规律。最后从环境保护和屏蔽效果及屏蔽范围的角度

提出了垂直排列的最佳屏蔽线架设方式。

Abstract

To lower the influence of power frequency electric-field intensity produced by the EHV transmission lines on environment and the crowd

mathematical model of power frequency electric field intensity on shielding line under the EHV lines was established based on the charge simulation method and also the power frequency electric-field intensity of a 500 kV transmission lines after setting up shielding lines was simulated by MATLAB software.Analysis focused on the number of the shielding lines

the height of the shielding lines

and the arrangement of the shielding lines affect to the power frequency electric-field intensity distribution under the EHV transmission lines separately.Lastly

considering the environmental protection

shielding effectiveness and shielding scope effect

as the best way to set up the shielding line

vertically aligned is put forward.

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