Articles | Volume 11, issue 5
https://doi.org/10.5194/wes-11-1803-2026
https://doi.org/10.5194/wes-11-1803-2026
Research article
 | 
20 May 2026
Research article |  | 20 May 2026

Impact of inflow conditions and turbine placement on the performance of offshore wind turbines exceeding 7 MW

Konstantinos Vratsinis, Rebeca Marini, Pieter-Jan Daems, Lukas Pauscher, Jeroen van Beeck, and Jan Helsen

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Cited articles

IEC 61400-12-1:2022 Wind energy generation systems – Part 12-1: Power performance measurements of electricity producing wind turbines, Standard IEC 61400-12-1:2022, International Electrotechnical Commission, https://webstore.iec.ch/publication/68499 (last access: 10 May 2026), 2022. a, b, c, d, e
Adaramola, M. and Krogstad, P.-A.: Experimental investigation of wake effects on wind turbine performance, Renewable Energy, 36, 2078–2086, https://doi.org/10.1016/j.renene.2011.01.024, 2011. a
Bardal, L. M. and Sætran, L. R.: Influence of turbulence intensity on wind turbine power curves, in: 14th Deep Sea Offshore Wind R&D Conference, EERA DeepWind'2017, 18-20 January 2017, Trondheim, Norway, Energy Procedia, 137, 553–558, https://doi.org/10.1016/j.egypro.2017.10.384, 2017. a
Barthelmie, R. J., Frandsen, S. T., Nielsen, M. N., Pryor, S. C., Rethore, P.-E., and Jørgensen, H. E.: Modelling and measurements of power losses and turbulence intensity in wind turbine wakes at Middelgrunden offshore wind farm, Wind Energy, 10, 517–528, https://doi.org/10.1002/we.238, 2007. a
Bleeg, J., Purcell, M., Ruisi, R., and Traiger, E.: Wind farm blockage and the consequences of neglecting its impact on energy production, Energies, 11, 1609, https://doi.org/10.3390/en11061609, 2018. a
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Using data collected over 13 months at an offshore wind farm, our study shows that a wind turbine’s position within the farm influences its energy output at a given nacelle-measured wind speed. Front-row turbines respond differently to similar wind speeds and turbulence than those further back. This finding suggests that current methods for characterizing inflow conditions may not fully capture actual wind behavior, underscoring the need for improved performance analysis techniques.
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