Simulation and analysis for power frequency electric field of building close to power transmission lines

2014 IEEE International Symposium on Electromagnetic Compatibility (EMC) Pub Date : 2014-11-20 DOI:10.1109/ISEMC.2014.6899014

Bin Yang, Shuhong Wang, Qiang Wang, Han Du, Youpeng Huangfu

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引用次数: 4

Abstract

Based on the design demands of the 330kV overhead transmission lines, the power frequency electric field for the power transmission lines near and over the building is simulated and analyzed in this paper. The 3-dimentional (3D) Finite Element Method (FEM) is employed to analyze the distribution of the electric field at the level of 1.5m above the ground around and inside a typical building model. The influences on electric field distribution of building located near and under the line are considered. A three-floor building model, which can be constructed with different materials, is proposed. The computational results show the shielding effect on the electric field distribution of the building and large electric field distortion near the outline of the building. The influence on the electric field intensity of the material of the building, the transmission line height, the number of the floors and the orientation of the window is respectively discussed, which can provide important references for the design and construction of the power transmission lines.

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输电线路附近建筑工频电场仿真与分析

本文根据330kV架空输电线路的设计要求，对建筑物附近和上空输电线路的工频电场进行了仿真分析。采用三维有限元法分析了典型建筑模型周围和内部距地面1.5m处的电场分布。考虑了线路附近和线路下方建筑物对电场分布的影响。提出了一种可采用不同材料构建的三层建筑模型。计算结果表明，屏蔽效应对建筑物电场分布有影响，建筑物轮廓附近电场畸变较大。分别讨论了建筑材料、输电线路高度、楼层数和开窗方位对电场强度的影响，可为输电线路的设计和施工提供重要参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 IEEE International Symposium on Electromagnetic Compatibility (EMC)

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