Ørsted Wind Power A/s

Stiesdal A/s

Arne Hedevang

Henrik Stiesdal

Karsten Schibsbye

Lars Henrik Hansen

Sidse Damgaard Hansen

Martin De Maré

Frederik Ettrup Brink

Anders Nordberg Lauritsen

Disclosed is a method for estimating systematic yaw misalignment of a wind turbine. The method comprising the steps of: receiving yaw data from the wind turbine indicative of the degrees of rotation of the nacelle for a plurality of yaw operations; receiving performance data from the wind turbine indicative of the alignment of the nacelle of the wind turbine with the wind direction before and after each of the plurality of yaw operations. The yaw data and the performance data being recorded during normal operation of the wind turbine, and the yaw data and the performance data is processed together to estimate the systemic yaw misalignment of the wind turbine.

Estimation of yaw misalignment for a wind turbine

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Fredericia, Denmark

Arne Hedevang