RESEARCH ON TOWER BASE LOAD OF WIND TURBINES IN DIFFERENT TYPES OF FLOATING WIND FARM

Liu Yingming; Cui Jiaping; Wang Xiaodong; Hao Rui; Zhang Pengbo; Wang Hanbo

doi:10.19912/j.0254-0096.tynxb.2021-0364

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (12) : 407-414. DOI: 10.19912/j.0254-0096.tynxb.2021-0364

RESEARCH ON TOWER BASE LOAD OF WIND TURBINES IN DIFFERENT TYPES OF FLOATING WIND FARM

Liu Yingming, Cui Jiaping, Wang Xiaodong, Hao Rui, Zhang Pengbo, Wang Hanbo

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Abstract

Constructing bottom-fixed wind farms and different types of floating wind farms based on NREL 5 MW wind turbines, considering the differences in wake characteristics and platform characteristics of different types of wind turbines, the dynamic response of the wind turbines in the wind farm is simulated under different working conditions. Through time domain analysis and box plot analysis, a comparative study of the tower base load of the upstream and downstream wind turbines in the wind farm under the combined action of wind, waves and wakes is carried out. The results show that under the same working conditions, the displacement value of the rotor and the platform of the type of Spar wind turbines in wind farm and the tower base load are the largest in the incoming flow direction; at low to moderate wind speeds, the tower base load of the wind turbines at different positions vary greatly; at high wind speeds, the tower base load is similar at different positions; as the wind speed increases, the tower base load of the floating unit increases first and then decreases.

Key words

offshore wind turbines / dynamic response / time domain analysis / floating wind power plant / load characteristics

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Liu Yingming, Cui Jiaping, Wang Xiaodong, Hao Rui, Zhang Pengbo, Wang Hanbo. RESEARCH ON TOWER BASE LOAD OF WIND TURBINES IN DIFFERENT TYPES OF FLOATING WIND FARM[J]. Acta Energiae Solaris Sinica. 2022, 43(12): 407-414 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0364

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