A novel wake control strategy for a twin-rotor floating wind turbine: Mitigating wake effect

Zhihao Zhang, Haoran Yang, Yongsheng Zhao, Zhaolong Han, Dai Zhou, Jianhua Zhang, Jiahuang Tu and Mingsheng Chen

Energy, 2024, vol. 287, issue C

Abstract: As one of the most promising alternatives to large wind turbines, twin-rotor floating wind turbines enables a significant reduction in the cost of power generation. An appropriate wake control strategy for twin-rotor floating wind turbines can contribute to the reduction of wake effect in wind farms. In the current study, aerodynamics and wake characteristics of twin-rotor floating wind turbine under four different yaw configurations are demonstrated. In detail, the variation of power and thrust of the twin-rotor at different yaw angles (0°, 5°, 10°, 15°, 20°, 30°) are analyzed, and the effect of the surge motion amplitude on the torque and thrust of twin-rotor in yaw are considered, and the wake dynamics under four different configurations are compared. The power gain of a twin-rotor floating wind turbine is about 5 % compared to a DTU 10 MW wind turbine at yaw angle of 15°. When the twin-rotor wind turbine is in wake channeling configuration, optimum wake recovery performance with the lowest level of turbulent kinetic energy is achieved. This study provides a scenario for optimizing the framework of floating wind farms.

Keywords: Wake control; Yawed twin-rotor floating wind turbine; Aerodynamics and wake modeling; Wake effect; Surge motion (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:287:y:2024:i:c:s036054422303013x

DOI: 10.1016/j.energy.2023.129619

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