Protection of wind energy systems against the indirect effects of lightning

This paper is concerned with the protection of wind energy systems against the indirect effects of lightning. As wind energy is gaining increasing importance throughout the world, lightning damages involving wind energy systems have come to be regarded with more attention. Nevertheless, there are st...

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Bibliographic Details
Published in:Renewable energy 2011-11, Vol.36 (11), p.2888-2896
Main Authors: Rodrigues, R.B., Mendes, V.M.F., Catalão, J.P.S.
Format: Article
Language:English
Subjects:
Applied sciences
case studies
Computer simulation
Electrodes
Electromagnetic transients
Energy
Exact sciences and technology
Lightning
Lightning protection
Lightning strikes
Mathematical models
Natural energy
soil
Soil (material)
Towers
Wind energy
wind power
Wind turbines
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Summary:This paper is concerned with the protection of wind energy systems against the indirect effects of lightning. As wind energy is gaining increasing importance throughout the world, lightning damages involving wind energy systems have come to be regarded with more attention. Nevertheless, there are still very few studies in Portugal regarding lightning protection of wind energy systems using models of the Electro-Magnetic Transients Program (EMTP). Hence, a new case study is presented in this paper, based on a wind turbine with an interconnecting transformer, considering that lightning strikes the soil near the tower at a distance such that galvanic coupling occurs through the grounding electrode. Computer simulations obtained by using EMTP-RV are presented and conclusions are duly drawn. ► The protection of wind energy systems against the indirect effects of lightning is sought. ► Computer simulations are obtained by using EMTP-RV. ► Lightning is considered to strike the soil near the tower. ► An application to a case study is presented.
ISSN:0960-1481
1879-0682
DOI:10.1016/j.renene.2011.04.011