云对闪电回击电场评价的影响

1999 IEEE International Symposium on Electromagnetic Compatability. Symposium Record (Cat. No.99CH36261) Pub Date : 1999-08-02 DOI:10.1109/ISEMC.1999.810090

G. Ala, P. Buccheri, Giuseppe Domino

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引用次数: 2

摘要

本文给出了一个考虑云层存在的闪电回击电场的理论模型。云闪电通道系统的建模方法是将一个完全导电的球体置于由地面闪电电流激发的细线垂直天线之上。通道中的电流分布由技术文献中的传输线模型导出。地面被认为是完全导电的。通过强调有云和没有云的不同行为，本文报告了与各种通道长度和球体半径相关的不同示例。与文献中记录的数据进行比较，可以定性地验证通过提出的模型计算的结果。

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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Cloud influence in evaluating the electric field of a lightning return stroke

A theoretical model to evaluate the electric field of a lightning return-stroke by taking into account the presence of the cloud, is illustrated. The cloud-lightning channel system is modelled by employing a perfectly conducting sphere placed above a thin-wire vertical antenna excited by a lightning current at the ground level. The current distribution in the channel is derived by a transmission line model found in technical literature. The ground is considered perfectly conductive. Different examples related to various channel lengths and sphere radii are reported in the paper, by stressing the different behaviour with and without the cloud. A comparison with recorded data available in literature, enables to qualitatively validate the results computed by means of the proposed model.

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来源期刊

1999 IEEE International Symposium on Electromagnetic Compatability. Symposium Record (Cat. No.99CH36261)

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