COMPARISON OF DYNAMIC RESPONSE OF TWO FLOATING WIND FARM PLATFORMS FOR OFFSHORE WIND TURBINES

He Hongsheng; Li Chun; Wang Bo; Li Shujun; Zhang Li; Ding Qinwei

doi:10.19912/j.0254-0096.tynxb.2021-0564

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (4) : 1-8. DOI: 10.19912/j.0254-0096.tynxb.2021-0564

COMPARISON OF DYNAMIC RESPONSE OF TWO FLOATING WIND FARM PLATFORMS FOR OFFSHORE WIND TURBINES

He Hongsheng¹, Li Chun^1,2, Wang Bo¹, Li Shujun¹, Zhang Li¹, Ding Qinwei³

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Abstract

In order to study the dynamic response of different floating wind farm platforms with offshore wind turbine under the combined action of wind, wave and current, 2×2 array floating wind farms based on OC3-Hywind Spar and ITI Energy Barge platform are established respectively. Combined with radiation and diffraction theory and finite element method, the hydrodynamic and aerodynamic loads are calculated by ocean engineering software AQWA and wind turbine simulation software FAST respectively, and the time-frequency response characteristics of the two floating wind farm platforms are analyzed. The results show that the frequency domain responses of both Spar and Barge platforms are concentrated in the low-frequency region below 2.00 rad/s. Among the two types of wind farms, the platforms of Spar wind farm have better stability in heave, pitch, roll, yaw four degrees of freedom and nacelle vibration acceleration. The magnitude of platform sway, surge and nacelle vibration acceleration are related to their position in the wind farm.

Key words

offshore wind turbines / wind farm / dynamic response / Spar platform / Barge platform

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He Hongsheng, Li Chun, Wang Bo, Li Shujun, Zhang Li, Ding Qinwei. COMPARISON OF DYNAMIC RESPONSE OF TWO FLOATING WIND FARM PLATFORMS FOR OFFSHORE WIND TURBINES[J]. Acta Energiae Solaris Sinica. 2023, 44(4): 1-8 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0564

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