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NOVEL APPROACH TO MODELLING OF LIGHTNING CURRENT DERIVATIVE
Mälardalen University, School of Education, Culture and Communication, Educational Sciences and Mathematics. (MAM)ORCID iD: 0000-0003-3204-617X
Mälardalen University, School of Education, Culture and Communication, Educational Sciences and Mathematics. (MAM)ORCID iD: 0000-0001-9635-0301
University of Nis, Faculty of Electronic Eng., Serbia.
Mälardalen University, School of Education, Culture and Communication, Educational Sciences and Mathematics. (MAM)ORCID iD: 0000-0003-4554-6528
2017 (English)In: Facta Universitatis Series: Electronics and Energetics, ISSN 0353-3670, E-ISSN 2217-5997, Vol. 30, no 2, 245-256 p.Article in journal (Refereed) Published
Abstract [en]

A new approach to mathematical modelling of lightning current derivative is proposed in this paper. It builds on the methodology, previously developed by the authors, for representing lightning currents and electrostatic discharge (ESD) currents waveshapes. It considers usage of a multi-peaked form of the analytically extended function (AEF) for approximation of current derivative waveshapes. The AEF function parameters are estimated using the Marquardt least-squares method (MLSM) and the framework for fitting the multi-peaked AEF to a waveshape with an arbitrary number of peaks is briefly described. This procedure is validated performing a few numerical experiments, including fitting the AEF to single- and multi-peaked waveshapes corresponding to measured current derivatives.

Place, publisher, year, edition, pages
Nis, Serbia, 2017. Vol. 30, no 2, 245-256 p.
Keyword [en]
analytically extended function, lightning current derivative, lightning current function, lightning stroke, Marquardt least-squares method
National Category
Mathematics Probability Theory and Statistics
Research subject
Mathematics/Applied Mathematics
Identifiers
URN: urn:nbn:se:mdh:diva-34581DOI: 10.2298/FUEE1702245LISI: 000406500200009OAI: oai:DiVA.org:mdh-34581DiVA: diva2:1061097
Available from: 2016-12-31 Created: 2016-12-31 Last updated: 2017-08-17Bibliographically approved

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Publisher's full texthttp://casopisi.junis.ni.ac.rs/index.php/FUElectEnerg/article/view/2090

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Lundengård, KarlRančić, MilicaSilvestrov, S. D.
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CiteExportLink to record
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