Floating Axis Wind Turbine is a concept of a floating vertical axis offshore wind turbine. In this design, a vertical axis turbine is directly mounted on a rotating spar buoy so that it does not require mechanical bearing supports of the heavy rotor. Multiple roller-generator units are on another small semi-sub float for extracting power from the rotating spar. A water tank model of 1/100 scale 5MW turbine and model power take-off units of about 1/20 scale are used for checking the concept. The results show the stability of the proposed turbine and demonstrates the function of roller-generator units.
Feasibility Study of the Floating Axis Wind Turbine: Preliminary Model Experiments
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Akimoto, H, Iijima, K, & Takata, Y. "Feasibility Study of the Floating Axis Wind Turbine: Preliminary Model Experiments." Proceedings of the ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. Volume 10: Ocean Renewable Energy. Trondheim, Norway. June 25–30, 2017. V010T09A079. ASME. https://doi.org/10.1115/OMAE2017-61944
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