JOINT OPTIMIZATION OF WIND FARM OUTPUT POWER AND LOAD BASED ON WAKE REDIRECTION

Liu Jun; Wu Peidong; Wang Qichao; Zhu Shixiang

doi:10.19912/j.0254-0096.tynxb.2023-1651

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (2) : 607-614. DOI: 10.19912/j.0254-0096.tynxb.2023-1651

JOINT OPTIMIZATION OF WIND FARM OUTPUT POWER AND LOAD BASED ON WAKE REDIRECTION

Liu Jun, Wu Peidong, Wang Qichao, Zhu Shixiang

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Abstract

This paper initially establishes a yawed blade-element momentum theory model grounded on multiple airfoil profiles, which is employed to calculate the loads acting on yawed wind turbines. Subsequently, based on this model, an objective function for wake - redirection optimization that comprehensively incorporates both the power output of the wind farm and the loads it bears is formulated, and a novel joint-optimization strategy for concurrently enhancing the wind-farm output power and minimizing its loads is proposed. Utilizing Matlab software, a 3×3 wind-farm model is constructed and undergoes simulation studies. The simulation results demonstrate that the proposed yawed blade-element momentum theory model based on multiple airfoil profiles can accurately compute the flap-wise moment of yawed wind-turbine blades. Moreover, the improved wake-redirection optimization approach and the novel joint-optimization method can significantly reduce the loads on the wind farm while effectively increasing its power output.

Key words

wind farm / wakes / wind turbines / power / loads / yaw

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Liu Jun, Wu Peidong, Wang Qichao, Zhu Shixiang. JOINT OPTIMIZATION OF WIND FARM OUTPUT POWER AND LOAD BASED ON WAKE REDIRECTION[J]. Acta Energiae Solaris Sinica. 2025, 46(2): 607-614 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1651

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