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New Findings from Hunan University in the Area of Energy Described (Optimal Design of Rated Wind Speed and Rotor Radius to Minimizing the Cost of Energy for Offshore Wind Turbines)

Source: 
Energy Weekly News

By a News Reporter-Staff News Editor at Energy Weekly News -- Current study results on Energy have been published. According to news reporting originating in Changsha, People's Republic of China, by VerticalNews journalists, research stated, "As onshore wind energy has depleted, the utilization of offshore wind energy has gradually played an important role in globally meeting growing green energy demands. However, the cost of energy (COE) for offshore wind energy is very high compared to the onshore one."

The news reporters obtained a quote from the research from Hunan University, "To minimize the COE, implementing optimal design of offshore turbines is an effective way, but the relevant studies are lacking. This study proposes a method to minimize the COE of offshore wind turbines, in which two design parameters, including the rated wind speed and rotor radius are optimally designed. Through this study, the relation among the COE and the two design parameters is explored. To this end, based on the power-coefficient power curve model, the annual energy production (AEP) model is designed as a function of the rated wind speed and the Weibull distribution parameters. On the other hand, the detailed cost model of offshore turbines developed by the National Renewable Energy Laboratory is formulated as a function of the rated wind speed and the rotor radius. Then, the COE is formulated as the ratio of the total cost and the AEP. Following that, an iterative method is proposed to search the minimal COE which corresponds to the optimal rated wind speed and rotor radius."

According to the news reporters, the research concluded: "Finally, the proposed method has been applied to the wind classes of USA, and some useful findings have been obtained."

For more information on this research see: Optimal Design of Rated Wind Speed and Rotor Radius to Minimizing the Cost of Energy for Offshore Wind Turbines. Energies, 2018;11(10):4324-4340. Energies can be contacted at: Mdpi, St Alban-Anlage 66, Ch-4052 Basel, Switzerland.

Our news correspondents report that additional information may be obtained by contacting L.F. Luo, Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, People's Republic of China. Additional authors for this research include X.F. Zhang, D.R. Song, W.Y. Tang, J. Yang, L. Li, X.Y. Tian and W. Wen.

 

(Our reports deliver fact-based news of research and discoveries from around the world.)

 

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