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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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Discussion papers
https://doi.org/10.5194/wes-2019-50
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-2019-50
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 09 Aug 2019

Submitted as: research article | 09 Aug 2019

Review status
This discussion paper is a preprint. A revision of the manuscript is under review for the journal Wind Energy Science (WES).

Periodic dynamic induction control of wind farms: proving the potential in simulations and wind tunnel experiments

Joeri Frederik1, Robin Weber2, Stefano Cacciola3, Filippo Campagnolo2, Alessandro Croce3, Carlo Bottasso2, and Jan-Willem van Wingerden1 Joeri Frederik et al.
  • 1Delft Center of Systems and Control, Faculty of Mechanical, Maritime and Materials Engineering (3mE), TU Delft, Mekelweg 2, Delft, The Netherlands
  • 2Wind Energy Institute, Technische Universität München, Garching bei München, D-85748 Germany
  • 3Dipartimento di Scienze e Tecnologie Aerospaziali, Politecnico di Milano, Milano, I-20156 Italy

Abstract. In this paper, the potential of Dynamic Induction Control (DIC), which has shown promising results in recent simulation studies, is further investigated. When this control strategy is implemented, a turbine varies its induction factor dynamically over time. In this paper, only periodic variation, where the input is a sinusoid, are studied. A proof of concept for this periodic DIC approach will be given by execution of scaled wind tunnel experiments, showing for the first time that this approach can yield power gains in real-world wind farms. Furthermore, the effects on the Damage Equivalent Loads (DEL) of the turbine are evaluated in a simulation environment. These indicate that the increase in DEL on the excited turbine is limited.

Joeri Frederik et al.
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Status: final response (author comments only)
Status: final response (author comments only)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Joeri Frederik et al.
Joeri Frederik et al.
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Latest update: 21 Oct 2019
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Short summary
The interaction between wind turbines in a wind farm through their wakes is a widely studied research area. Until recently, research was focused on finding constant turbine inputs that optimize the performance of the wind farm. However, recent studies have shown that time-varying, dynamic inputs might be more beneficial. In this paper, the validity of this approach is further investigated by implementing it in scaled wind tunnel experiments and assessing load effects, showing promising results.
The interaction between wind turbines in a wind farm through their wakes is a widely studied...
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