Study on Shielding Effectiveness of Metal Shielding Mesh of Cable Joint

2020 6th Global Electromagnetic Compatibility Conference (GEMCCON) Pub Date : 2020-10-20 DOI:10.1109/GEMCCON50979.2020.9456730

Penglei Xu, Y. Di, Xintong Yao, Saike Yang

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引用次数: 1

Abstract

The metallic wire mesh is widely used in electromagnetic shielding engineering due to its obvious advantages such as light weight, high flexibility and low cost. The power cable joint uses metal mesh to restore the metal shielding layer. This paper studies the shielding effectiveness (SE) of metal mesh used for cable joint. Compare and analyze the shielding effectiveness of joint copper mesh and the effect of different specifications and double-layer copper mesh on the shielding effectiveness in terms of theoretical calculation and simulation. The results show that the shielding effectiveness of copper mesh varies with frequency; comparing different specifications of copper mesh, the shielding effectiveness of dense mesh is higher than that of sparse mesh; the shielding effectiveness of double-layer wire mesh is higher than that of single-layer wire mesh with the same specification when the distance between two-layer wire mesh is reasonably selected. Finally, the structure optimization scheme is proposed to improve the shielding effectiveness of cable joint copper mesh.

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电缆接头金属屏蔽网屏蔽效果的研究

金属丝网以其重量轻、柔韧性高、成本低等明显优点，在电磁屏蔽工程中得到了广泛的应用。电力电缆接头采用金属网恢复金属屏蔽层。本文对电缆接头用金属网的屏蔽效能进行了研究。从理论计算和仿真两方面比较分析了接头铜网的屏蔽效果以及不同规格和双层铜网对屏蔽效果的影响。结果表明:铜网屏蔽效果随频率的变化而变化;对比不同规格的铜网，密集网的屏蔽效果高于稀疏网;当合理选择双层丝网之间的距离时，双层丝网的屏蔽效能要高于同规格的单层丝网。最后，提出了提高电缆接头铜网屏蔽效能的结构优化方案。

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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来源期刊

2020 6th Global Electromagnetic Compatibility Conference (GEMCCON)

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