EXPERIMENTAL STUDY ON COLLECTIVE AND INDIVIDUAL PITCH CONTROL OF FLOATING WIND TURBINES

Zhu Dezheng; Wen Binrong; Tian Xinliang; Peng Zhike; Ye Xiaorong

doi:10.19912/j.0254-0096.tynxb.2022-0920

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (10) : 400-406. DOI: 10.19912/j.0254-0096.tynxb.2022-0920

EXPERIMENTAL STUDY ON COLLECTIVE AND INDIVIDUAL PITCH CONTROL OF FLOATING WIND TURBINES

Zhu Dezheng¹, Wen Binrong^1,2, Tian Xinliang^1,2, Peng Zhike³, Ye Xiaorong⁴

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Abstract

An individual blade pitch controller（IBP） is designed and manufactured for a floating wind turbine（FWT） model. An integrated experimental apparatus of FWT with IBP is established. Extensive tests are conducted to evaluate the performance of the proposed IBP, with collective blade pitch control（CBP） as a reference. The mechanical response characteristics of floating wind turbine under collective pitch control and independent pitch control are studied. The results show that the IBP can effectively reduce the mean values of platform pitch, tower top thrust and tower base bending moment, and the load reduction can reach more than 10% under the conditions studied in this paper. However, the IBP increases the fluctuations of platform motions and structural loads, which may cause fatigue damage to the structure.

Key words

floating wind turbines / blade pitch control / model test / individual blade pitch control

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Zhu Dezheng, Wen Binrong, Tian Xinliang, Peng Zhike, Ye Xiaorong. EXPERIMENTAL STUDY ON COLLECTIVE AND INDIVIDUAL PITCH CONTROL OF FLOATING WIND TURBINES[J]. Acta Energiae Solaris Sinica. 2023, 44(10): 400-406 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0920

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