Lightning transient analysis in wind turbine blades

Anna Candela Garolera, Joachim Holbøll, Søren Find Madsen

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Abstract

The transient behavior of lightning surges in the lightning protection system of wind turbine blades has been investigated in this paper. The study is based on PSCAD models consisting of electric equivalent circuits with lumped and distributed parameters involving different lightning current waveforms. The aim of the PSCAD simulations is to study the voltages induced by the lightning current in the blade that may cause internal arcing. With this purpose, the phenomenon of current reflections in the lightning down conductor of the blade and the electromagnetic coupling between the down conductor and other internal conductive elements of the blade is studied. Finally, several methods to prevent internal arcing are discussed in order to improve the lightning protection of the blade.
Original languageEnglish
Title of host publicationProceedings of International Conference on Power Systems Transients
Number of pages7
Publication date2013
Publication statusPublished - 2013
EventInternational Conference on Power Systems Transients - Vancouver, British Columbia, Canada
Duration: 18 Jun 201320 Jun 2013

Conference

ConferenceInternational Conference on Power Systems Transients
CountryCanada
CityVancouver, British Columbia
Period18/06/201320/06/2013

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