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Energies 2017, 10(6), 777;

Design of the OffWindChina 5 MW Wind Turbine Rotor

State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
Department of Wind Energy, Fluid Mechanics Section, Technical University of Denmark, Nils Koppels Allé, Building 403, Lyngby 2800, Denmark
Author to whom correspondence should be addressed.
Academic Editor: Lance Manuel
Received: 5 March 2017 / Revised: 19 May 2017 / Accepted: 30 May 2017 / Published: 3 June 2017
(This article belongs to the Section Electrical Power and Energy System)
Full-Text   |   PDF [8601 KB, uploaded 5 June 2017]   |  


The current article describes the conceptual design of a rotor for a 5 MW machine situated at an offshore site in China (OffWindChina). The OffWindChina 5 MW rotor design work was divided into two parts between the Technical University of Denmark (DTU) and the Chong Qing University (CQU). The two parts consist of the aeroelastic and structural design phases. The aeroelastic part determines the optimal outer blade shape in terms of cost of energy (COE), while the structural part determines the internal laminate layup to achieve a minimum blade mass. Each part is performed sequentially using in-house optimization tools developed at DTU and CQU. The designed blade yields a high energy output while maintaining the structural feasibility with respect to international standards. View Full-Text
Keywords: wind energy; wind turbine blade design; aeroelastic blade design; finite-element analysis; site-specific design wind energy; wind turbine blade design; aeroelastic blade design; finite-element analysis; site-specific design

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Sun, Z.; Sessarego, M.; Chen, J.; Shen, W.Z. Design of the OffWindChina 5 MW Wind Turbine Rotor. Energies 2017, 10, 777.

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