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A simplified physical model to determine the lightning upward connecting leader inception
Division for Electricity, Uppsala University.ORCID iD: 0000-0002-6375-6142
Division for Electricity, Uppsala University.
2006 (English)In: IEEE Transactions on Power Delivery, ISSN 0885-8977, E-ISSN 0885-8877, Vol. 21, no 2, 897-908 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a generalized leader inception model isproposed. It is based on an iterative geometrical analysis of thebackground potential distribution of an earthed structure to simulatethe first meters of propagation of an upward connecting leader.By assuming a static field approach, the leader stabilization fieldsand the striking distances were computed for a lightning rod andfor a building. The obtained results were compared with the existingleader inception criteria. Furthermore, in order to validatethe model, the leader inception condition was computed for a triggeredlightning experiment. Excellent agreement with the experimentalresults was obtained. The present model has several advantagesin comparison with the existing leader inception criteria.One of them is related to the fact that the proposed model can beused to analyze the effect of the space charge on the upward leaderinception.

Place, publisher, year, edition, pages
2006. Vol. 21, no 2, 897-908 p.
Keyword [en]
Lightning, modeling, numerical analysis.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-72522DOI: 10.1109/TPWRD.2005.859290ISI: 000236519200044OAI: diva2:487719
QC 20120202Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2012-02-24Bibliographically approved

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Becerra, Marley
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