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Impact of inflow characteristics on the instantaneous power production using detrended fluctuation analysis
Vratsinis, K.; Pauscher, L.; Daems, P.; van Beeck, J.; Helsen, J. (2024). Impact of inflow characteristics on the instantaneous power production using detrended fluctuation analysis. Journal of Physics: Conference Series 2767: 092071. https://dx.doi.org/10.1088/1742-6596/2767/9/092071
In: Journal of Physics: Conference Series. IOP Publishing: Bristol. ISSN 1742-6588; e-ISSN 1742-6596, more
Peer reviewed article  
Available in  Authors 
Author keywords
    wind;curves
Authors  Top 
  • Vratsinis, K.
  • Pauscher, L.
  • Daems, P., more
Abstract
    This study investigates the influence of inflow characteristics on wind turbine power production using Detrended Fluctuation Analysis (DFA). The research focuses on extracting indicators for the energy of flow fluctuations at small timescales and their scaling properties. This methodology is demonstrated using one year of 1-second SCADA data from an offshore wind farm. These indicators are then compared with the commonly used Turbulence Intensity (TI). The findings demonstrate that DFA coefficients, specifically the DFA y-intercept and the DFA slope, account for a significantly larger portion of the variability in active power. This research enhances SCADA-based performance analysis.
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