Preprints
https://doi.org/10.5194/wes-2024-15
https://doi.org/10.5194/wes-2024-15
14 Feb 2024
 | 14 Feb 2024
Status: this preprint is currently under review for the journal WES.

Some comments on experimental results of three lift controllers for a wind turbine blade section using an active flow control

Loïc Michel, Caroline Braud, Jean-Pierre Barbot, Franck Plestan, Dimitri Peaucelle, and Xavier Boucher

Abstract. Controlling wind turbines is generally performed globally (rotor yaw or blade pitch control) to optimize the energy extraction and minimize rotor's loads for rotor's lifetime extension. This means that no information from the blade aerodynamics is up to now taken into account in the control loop while it is well understood that wind inflow interaction with blade aerodynamics can lead to power loss, load fluctuations and noise generation. This work deals with the development of control algorithms applied at the level of the blade section, considering only local aerodynamic sensing and actuators. The objective is to extract the maximum power from the wind energy by maintaining the aerodynamic lift at its highest value, while limiting load fluctuations using different solutions of control which take into account disturbances from different turbulent inflows. Some control strategies are investigated thanks to an experimental bench in the aerodynamic wind tunnel of LHEEA's laboratory in order to compare the tracking performances with respect to different operating scenarios.

Loïc Michel, Caroline Braud, Jean-Pierre Barbot, Franck Plestan, Dimitri Peaucelle, and Xavier Boucher

Status: open (extended)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on wes-2024-15', Anonymous Referee #1, 20 Mar 2024 reply
Loïc Michel, Caroline Braud, Jean-Pierre Barbot, Franck Plestan, Dimitri Peaucelle, and Xavier Boucher
Loïc Michel, Caroline Braud, Jean-Pierre Barbot, Franck Plestan, Dimitri Peaucelle, and Xavier Boucher

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Short summary
Capturing energy from a wind turbine requires control algorithms to manage in real-time the operation of the wind turbine in order to optimize the energy extraction. This work focuses on the development of control algorithms applied at the level of the blade section to interact locally with the aerodynamics flow and hence modify the aerodynamic lift. Some dedicated control strategies are experimentally investigated to give an overview of performances according to different operating scenarios.
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