Electric field and electromagnetic environment analyses of a 500 kV composite cross arm

2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) Pub Date : 2015-12-17 DOI:10.1109/CEIDP.2015.7352045

Gao Yanfeng, Wu Chao, Liang Xidong, Liu Yingyan, Wang Guoli, G. Chao

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引用次数: 7

Abstract

In order to further utilize the transmission line cooridor, meanwhile, achieve a relatively friendly electromagnetic environment, composite cross arm is developed and employed in the transmission system. The electric field distribution as well as the electromagentic environment of composite cross arm deserves a detailed and in-depth study to verify its performance. In this research, the three-dimension (3D) finite element method (FEM) was employed to calculate the electric field distribution of composite cross arm. The electromagnetic environment was characterized by electric field intensity on the ground, radio interference and audible noise and these parameters were investigated and analysed. Calculation results indicated that by using proper metal hardware, composite cross arm could obtain a relatively suitable distribution of electric field and potential. The electromagnetic environment calculation results demonstrated that composite cross arm could meet the standard design requirement. Furthermore, some suggestions were made based on this research to achieve an optimization use of composite cross arm.

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500kv复合横臂的电场和电磁环境分析

为了进一步利用传输线的协调性，同时实现相对友好的电磁环境，研制了复合横臂并将其应用于传输系统中。为了验证复合材料横臂的性能，有必要对其电场分布和电磁环境进行详细而深入的研究。本研究采用三维有限元法计算复合材料横臂的电场分布。电磁环境的特征包括地面电场强度、无线电干扰和可听噪声，并对这些参数进行了研究和分析。计算结果表明，采用适当的金属构件，复合横臂可以获得相对合适的电场和电位分布。电磁环境计算结果表明，复合横臂能够满足标准设计要求。在此基础上，对复合材料横臂的优化使用提出了建议。

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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2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)

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