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- W4383721006 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> This paper investigates the accuracy of wind direction measurements for horizontal axis wind turbines and its impact on yaw control. The yaw controller is crucial for aligning the rotor with the wind direction and optimizing energy extraction. Wind direction is conventionally measured by one or two wind vanes located on the nacelle, but the proximity of the rotor can interfere with these measurements. The authors show that the conventional corrections, including low-pass filters and calibrated offset correction, are not adequate to account for a systematic overestimation of the wind direction deviation caused by the rotor misalignment. This measurement error can lead to an overcorrection of the yaw controller, and thus, to an oscillating yaw behaviour, even if the wind direction is relatively steady. The authors present a theoretical basis and methods for quantifying the wind vane measurement error and validate their findings using computational fluid dynamics simulations and operational data from two commercial wind turbines. Additionally, the authors propose a correction function that improves the wind vane measurements and demonstrate its effectiveness in two free field experiments. Overall, the paper provides new insights into the accuracy of wind direction measurements and proposes solutions to improve the yaw control for horizontal axis wind turbines." @default.
- W4383721006 created "2023-07-11" @default.
- W4383721006 date "2023-07-10" @default.
- W4383721006 modified "2023-10-02" @default.
- W4383721006 title "Comment on wes-2023-53" @default.
- W4383721006 doi "https://doi.org/10.5194/wes-2023-53-rc2" @default.
- W4383721006 hasPublicationYear "2023" @default.
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