Análisis de la Actividad Tormentosa en Portugal para su Aplicación en la Protección Contra Rayo en Aerogeneradores (Analysis of the Thunderstorm Activity in Portugal for its Application in the Lightning Protection of Wind Turbines)

R. B. Rodrigues (rbrodrigues@deea.isel.ipl.pt)1, V. M. F. Mendes (vfmendes@isel.pt)1, J. P. S. Catalão (catalao@ubi.pt)2, S. Correia (sandra.correia@meteo.pt)3, V. Prior (victor.prior@meteo.pt)3, M. Aguado (monica.aguado@unavarra.es)4


1Instituto Superior de Ingeniería de Lisboa
2Universidad de Beira Interior
3Instituto de Meteorología
4Universidad Pública de Navarra

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2009
Volume: 7,   Issue: 5 
ISSN: 1548-0992


Abstract:
This paper presents a brief characterization of wind power in Portugal, considering the installed power capacity, the capacity under construction, and the location of wind farms. It also describes the Portuguese Lightning Location System, and presents the results of the occurrence of cloud-to-ground strikes both temporally and geographically distributed and the accumulative probability of the peak current. Based on these results, new ground flash density maps were drawn. Thus, this paper allows the characterization of discharges occurring in Portugal, helping to improve risk analysis and the protection systems adopted.

Index Terms:
lightning protection, risk analysis, wind energy.   


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