IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Paper
Effects of Lightning Electromagnetic Pulse on a Nearby Overhead Horizontal Conductor
Md. Osman GoniAkihiro AmetaniEiji Kaneko
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2009 Volume 129 Issue 2 Pages 347-352

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Abstract

A nearby lightning strike can induce significant currents in long horizontal and tall down conductors. Although the magnitude of the current in this case is much smaller than that encountered during a direct strike, the probability of occurrence and the frequency content is higher. In view of this, appropriate knowledge of the characteristics of such induced currents is relevant for the interpretation of recorded currents. Considering these, the present paper discusses a modeling procedure that permits simulation of lightning-induced voltages or currents on overhead lines due to a nearby lightning strikes. In this paper, homogeneous non-perfect ground is also examined to investigate the influence of soil conditions on induced effects.

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© 2009 by the Institute of Electrical Engineers of Japan
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