Research on the Hydrodynamic Performance of a Novel Floating Platform of the Offshore Wind Turbine in Deep Water

被引:0
作者
Cai X. [1 ]
Zhang H. [2 ]
Wang H. [3 ]
Xie J. [4 ]
Wang Y. [5 ]
机构
[1] College of Mechanics and Materials, Hohai University, Nanjing
[2] Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian
[3] Jiangsu Province Wind Power Structural Engineering Research Center, Nanjing
[4] Nanjing Wangong High-tech Research Institute, Nanjing
[5] Cooperate Innovation Center for Coastal Development and Protection, Nanjing
来源
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2022年 / 42卷 / 12期
关键词
Floating platform; Hydrodynamic performance; Offshore wind turbine; Semi-submersible platform; Spar platform;
D O I
10.13334/j.0258-8013.pcsee.211813
中图分类号
学科分类号
摘要
To break through the bottlenecks of floating offshore wind turbines, a novel design method of floating platform for offshore wind turbines in deep water was put forward, combining the structural characteristics of the classic semi-submersible platform and spar platform. A novel fully submerged floating wind turbine platform with inclined side columns was proposed. Based on the upper model parameters of the NREL 5MW wind turbine, the proposed novel floating platform was optimized. Based on the integrated numerical calculation method considering the full coupling effect of the structure, the hydrodynamic response of the floating offshore wind turbine considering wind shear, wave and current was studied, and the hydrodynamic performance of the novel floating wind turbine, semi-submersible wind turbine and spar wind turbine under different wave incident angles and wave frequencies was analyzed. The results show that the floating platform with excellent hydrodynamic performance can be designed based on the design process of offshore wind turbine floating platform. The novel floating platform can optimize the hydrodynamic coefficient and it has good recovery ability after external load. Compared with the semi-submersible platform, the novel floating platform can significantly reduce the heave peak and natural wave frequency and the possibility of heave resonance. In addition, the forward inflow of waves should be ensured as far as possible in the operation of floating wind turbines to avoid excessive wave force on the side. © 2022 Chin. Soc. for Elec. Eng.
引用
收藏
页码:4339 / 4351
页数:12
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