Study on the Dynamic Characteristic for Spar Type Floating Foundation of Offshore Wind Turbine

Abstract:

In this paper, the dynamic behaviors are studied for Spar type floating foundation of a 3kW in the 10m deep water considering the coupled wind turbine-tower-floating foundation and mooring lines and ocean environment load effects. The paper focus on the key issues of design of floating foundation, such as coupling dynamic analysis model and calculating method. The finite element models are established and dynamic responses of floating wind turbine system under different combinations of turbulent wind, constant current and irregular wave are calculated in frequency and time domain with SESAM software. The motion performance and lines’ tension are investigated, and some valuable conclusions are drawn. The results show that the Spar type floating foundation and mooring system can work in the ocean environment which significant wave height less than 2m, the designed large water-entrapment plate can minimized the motion of floating foundation obviously.

• Periodical: Applied Mechanics and Materials (Volumes 170-173)
• Pages: 2316-2321
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.170-173.2316
• Online since: May 2012
• Authors: Ruo Yu Zhang, Chao He Chen*, You Gang Tang
• Keywords: Dynamic Response Power Generation, Floating Foundation, Offshore Wind Farm, Spar Foundation

References

[1] Huang Wei-ping, Liu Jian-jun, Zhao Zhan-hua. The state of the art of study on offshore wind turbine structures and its development[J], The Ocean Engineering, 2009, 27(2):130-134(in Chinese)

[2] CCS, Rules for Mobile off shore Drilling Units [M], Beijing: China communications Press, 2005(in Chinese)

[3] Li Yu-cheng, Teng Bing, Wave Effect on Ocean Structure [M], Beijing: Ocean Press, 1990,50-85(in Chinese)

[4] MARINTEK, SIMO Theory Manual Version 3.6, (2008)

[5] Yu Xiao-chuan, Xie Yong-he, Li Run-pei, et al. The Influence of Water Depth on Motion Response and Wave Induced Loads of a Large FPSO[J], Journal of Shanghai Jiaotong University, 2005, 39(5):674~677 (in Chinese)

[6] Li Xin, Yang Jianmin, Fan Mo, Investigation on the touch of sea bottom by a FPSO in Bohai Oil Field with shallow water [J], Ocean Engineering, 2004,22(2)：51~57 (in Chinese)

[7] Thomas Zambrano, Tyler MacCready ,Taras Kiceniuk Jr. ,et al. Dynamic modeling of deepwater offshore wind turbine structures in Gulf of Mexico storm conditions[A]. Proceedings of OMAE2006 25th International Conference on Offshore Mechanics and Arctic Engineering[C]. Hamburg, ASME, 2006: OMAE2006-92029

DOI: 10.1115/omae2006-92029

[8] Tomoaki Utsunomiya,Tomoki Sato,Hidekazu Matsukuma,Kiyokazu Yago,Experimental validation for motion of a SPAR-type floating offshore wind turbine using 1/22.5 scale model,Proceedings of OMAE2009 28th International Conference on Offshore Mechanics and Arctic Engineering[C]. Hawaii, USA,OMAE2009-79695

DOI: 10.1115/omae2009-79695