Correlation between Leader Charge and Peak Current as Depicted by the Self Consistent Return Stroke Model

Sukesh, A and Kumar, Udaya (2016) Correlation between Leader Charge and Peak Current as Depicted by the Self Consistent Return Stroke Model. In: 33rd International Conference on Lightning Protection (ICLP), SEP 25-30, 2016, Estoril, PORTUGAL.

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Abstract

The self consistent return stroke model proposed in an earlier work 6], had successfully predicted the basic features of current evolution in the channel, as well as, that in the far and near electromagnetic fields. A further validation of this model is taken up in this paper by deducing the relationship between the leader charge and the peak return stroke current. In this model the cloud is modeled as ellipsoidal structures and the leader is modeled as a thin wire. The charge distribution on the leader and its radius is computed iteratively assuming the leader to be conical with non uniform radius. The time domain EFIE code is used to compute the evolution of current in the lightning channel. The relation between leader charge and return stroke peak current is found to be linear. This is in satisfactory agreement with the most accepted formulation regarding the relationship between leader charge and return stroke peak current.

Item Type:	Conference Proceedings
Series.:	International Conference on Lightning Protection
Publisher:	IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Additional Information:	Copy right for this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	08 Mar 2017 10:21
Last Modified:	08 Mar 2017 10:21
URI:	http://eprints.iisc.ac.in/id/eprint/56316

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