雷击建筑物中闪电通道对电流和电磁场的影响

IEEE International Symposium on Electromagnetic Compatibility : [proceedings]. IEEE International Symposium on Electromagnetic Compatibility Pub Date : 1990-08-21 DOI:10.1109/ISEMC.1990.252784

S. Cristina, A. Orlandi

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引用次数: 23

摘要

本文提出了一种分析受直击雷击结构内部电磁场的方法。防雷系统的原理图是等效导线模型。在细线近似的框架下，用基于矩量法的数字计算程序计算了结构内部的电磁场。目前的工作旨在表征闪电通道辐射的场对建筑物内电磁场的影响，该电磁场受到直接冲击。闪电通道是通过具有合适高度的直线垂直天线来模拟的。分析结果表明，闪电通道的影响是显著的。

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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Lightning channel's influence on currents and electromagnetic fields in a building struck by lightning

A procedure is presented for the analysis of the electromagnetic field inside a structure which receives a direct lightning stroke. The lightning protection system is schematized as an equivalent wire model. The electromagnetic field inside the structure is computed by means of a digital computation code based upon the moments method in the framework of the thin-wire approximation. The present work aims at the characterization of the influence of the field radiated by the lightning channel, on the electromagnetic field inside the building, which is subject to a direct stroke. The lightning channel is simulated by means of a rectilinear vertical antenna having a suitable height. The results of the analysis indicate that the lightning channel has a significant effect.<>

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来源期刊

IEEE International Symposium on Electromagnetic Compatibility : [proceedings]. IEEE International Symposium on Electromagnetic Compatibility

CiteScore

0.30

自引率

0.00%

发文量