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Wake effect measurement in complex terrain - A case study in Brazilian wind farms

Gustavo S. Böhme, Eliane A. Fadigas, André L.V. Gimenes and Carlos E.M. Tassinari

Energy, 2018, vol. 161, issue C, 277-283

Abstract: This study measured the wake effect in a Brazilian onshore windfarm with 38 turbines located in complex terrain. The proposed methodology calculated the wind deficit in 3 different metmasts, by comparing the measurement periods in free-of-wake condition to measurement periods under wake effect. Uncertainties due to wind variability and seasonality effects have been avoided by performing MCP (Measure Correlate Predict) procedures making use of a fourth metmast in free-of-wake condition during the entire concurrent period. This methodology is free of uncertainties from Nacelle anemometry, power curve measurements and micrositing models' spatial extrapolation.

Keywords: Wind energy; Wake effect; Wind farm performance (search for similar items in EconPapers)
Date: 2018
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Handle: RePEc:eee:energy:v:161:y:2018:i:c:p:277-283