Validation of the dynamic wake meandering model with respect to loads and power production

Reinwardt, Inga; Schilling, Levin; Steudel, Dirk; Dimitrov, Nikolay; Dalhoff, Peter; Breuer, Michael

The outlined analysis validates the dynamic wake meandering (DWM) model based on loads and power production measured at an onshore wind farm with small turbine distances. Special focus is given to the performance of a version of the DWM model that was previously recalibrated at the site. The recalibration is based on measurements from a turbine nacelle-mounted lidar system. The different versions of the DWM model are compared to the commonly used Frandsen wake-added turbulence model. The results of the recalibrated wake model agree very well with the measurements, whereas the Frandsen model overestimates the loads drastically for short turbine distances. Furthermore, lidar measurements of the wind speed deficit as well as the wake meandering are incorporated in the DWM model definition in order to decrease the uncertainties.

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Reinwardt, Inga / Schilling, Levin / Steudel, Dirk / et al: Validation of the dynamic wake meandering model with respect to loads and power production. 2021. Copernicus Publications.

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Rechteinhaber: Inga Reinwardt et al.

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