DeepWind - from Idea to 5 MW Concept

Uwe Schmidt Paulsen, Helge Aagaard Madsen , Knud Abildgaard Kragh, Per Hørlyk Nielsen, Ismet Baran, Jesper Henri Hattel, Ewen Ritchie, Krisztina Leban, Harald Svendsen, Petter A. Berthelsen

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The DeepWind concept has been described previously on challenges and potentials, this new offshore floating technology can offer to the wind industry [1]. The paper describes state of the art design improvements, new simulation results of the DeepWind floating vertical axis wind turbine concept, which implies a high potential for cost saving. The most critical aspects of the concept are addressed in proving feasibility, and if it can be scaled up to 20 MW. Applying structural mechanics, generator, floater & mooring system, control system design, and rotor design using detailed integrated models, results have evolved to a 5 MW baseline design. This important outcome will be used as a reference for further improvements. Emphasis in this paper is made on the interplay between different components and some trade-offs. One such example is the rotational speed which largely influences the design of both the generator and the aerodynamic rotor. Another example is aerofoil design affecting energy capture, stall behaviour, structural dynamics and control design. Finally, the potential for up-scaling to 20 MW is discussed.
Original languageEnglish
JournalEnergy Procedia
Pages (from-to)23-33
Number of pages11
Publication statusPublished - 2014
EventEERA DeepWind 2014 - 11th Deep Sea Offshore Wind R&D Conference - Radisson Blu Royal Garden Hotel, Trondheim, Norway
Duration: 22 Jan 201424 Jan 2014
Conference number: 11


ConferenceEERA DeepWind 2014 - 11th Deep Sea Offshore Wind R&D Conference
LocationRadisson Blu Royal Garden Hotel
Internet address


  • VAWT
  • offshore wind turbine
  • structural design
  • pultrusion
  • submerged generator
  • optimization

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