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Influence of grounding system modeling on Transient analysis of transmission lines due to direct lightning strike

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8 Author(s)
Rondon, D. ; Nat. Univ. of Colombia, Bogota ; Vargas, M. ; Herrera, J. ; Montana, J.
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The aim of this paper is to implement different grounding system (GS) models in order to compare its influence on the calculation of overvoltages in transmission lines, produced by direct lightning strikes. The models studied were a lumped DC resistance, a non linear resistance, and a synthesized circuit based on the frequency response of the GS. The latest model is proposed by the authors and takes into account the frequency dependent transient behavior of the GS.

Published in:

Power Tech, 2005 IEEE Russia

Date of Conference:

27-30 June 2005