Simulating extreme Etesians over the Aegean and Implications for Wind Energy Production in Southeastern Europe

Simulating extreme Etesians over the Aegean and Implications for Wind Energy Production in... AbstractEpisodes of extremely strong northerly winds (known as Etesians) during boreal summer can cause hazardous conditions over the Aegean Archipelago (Greece) and represent a threat for the safe design, construction and operation of wind energy turbines. Here, we characterize these extremes by employing a Peak Over Threshold approach in the extended summer season (May-September) from 1989 to 2008. Twelve meteorological stations in the Aegean are used and results compared with six-hourly wind speed data from five EURO-CORDEX, ERA-Interim-driven, Regional Climate Model (RCMs) simulations. The main findings show that, in the range of wind speeds for the maximum power output of the turbine, the most Etesian-exposed stations could operate 90% at a hub height of 80m. Central and northern Aegean are also identified as areas prone to wind hazards, where medium to high wind IEC-class wind turbines could be more suitable. In central Aegean, turbines with a cut-out wind speed higher than 25 m/s are recommended. Overall, RCMs can be considered a valuable tool for investigating wind resources at regional scale. Therefore, this study encourages a broader use of climate models for the assessment of future wind energy potential over the Aegean. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Meteorology and Climatology American Meteorological Society

Simulating extreme Etesians over the Aegean and Implications for Wind Energy Production in Southeastern Europe

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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1558-8432
D.O.I.
10.1175/JAMC-D-17-0172.1
Publisher site
See Article on Publisher Site

Abstract

AbstractEpisodes of extremely strong northerly winds (known as Etesians) during boreal summer can cause hazardous conditions over the Aegean Archipelago (Greece) and represent a threat for the safe design, construction and operation of wind energy turbines. Here, we characterize these extremes by employing a Peak Over Threshold approach in the extended summer season (May-September) from 1989 to 2008. Twelve meteorological stations in the Aegean are used and results compared with six-hourly wind speed data from five EURO-CORDEX, ERA-Interim-driven, Regional Climate Model (RCMs) simulations. The main findings show that, in the range of wind speeds for the maximum power output of the turbine, the most Etesian-exposed stations could operate 90% at a hub height of 80m. Central and northern Aegean are also identified as areas prone to wind hazards, where medium to high wind IEC-class wind turbines could be more suitable. In central Aegean, turbines with a cut-out wind speed higher than 25 m/s are recommended. Overall, RCMs can be considered a valuable tool for investigating wind resources at regional scale. Therefore, this study encourages a broader use of climate models for the assessment of future wind energy potential over the Aegean.

Journal

Journal of Applied Meteorology and ClimatologyAmerican Meteorological Society

Published: Feb 21, 2018

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