Estimation of Voltages and Currents Due to Lightning Strokes to Transmission Lines

Kishore, NK and Nagabhushana, GR (1990) Estimation of Voltages and Currents Due to Lightning Strokes to Transmission Lines. In: ACE '90 (XVI Annual Convention and Exhibition of the IEEE In India), 22-25 January, Bangalore,India, pp. 299-303.

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Abstract

This paper presents an improved equivalent circuit representation for the lightning stroke to estimate the magnitudes and waveshapes of currents and voltages through transmission system components due to lightning strokes. Results indicate that arrester currents can go as high as 130kA with a front time of the order of 15us, while the arrester potentials are substantially rectangular lasting anywhere upto 60 us. Transformer potentials are initially oscillatory exceeding the BIL. This could be dangerous. Thus, this work was successful in improving the equivalent circuit representation of the lightning stroke and highlighted interesting areas for further research.

Item Type:	Conference Paper
Publisher:	IEEE
Additional Information:	Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE
Department/Centre:	Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited:	30 May 2006
Last Modified:	19 Sep 2010 04:27
URI:	http://eprints.iisc.ac.in/id/eprint/6979

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