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A Review of Research on Large Scale Modern Vertical Axis Wind Turbines at Uppsala University

Division of Electricity, Uppsala University, Box 534, Uppsala 751 21, Sweden
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Academic Editor: Frede Blaabjerg
Energies 2016, 9(7), 570; https://doi.org/10.3390/en9070570
Received: 30 May 2016 / Revised: 6 July 2016 / Accepted: 11 July 2016 / Published: 21 July 2016
(This article belongs to the Collection Wind Turbines)
This paper presents a review of over a decade of research on Vertical Axis Wind Turbines (VAWTs) conducted at Uppsala University. The paper presents, among others, an overview of the 200 kW VAWT located in Falkenberg, Sweden, as well as a description of the work done on the 12 kW prototype VAWT in Marsta, Sweden. Several key aspects have been tested and successfully demonstrated at our two experimental research sites. The effort of the VAWT research has been aimed at developing a robust large scale VAWT technology based on an electrical control system with a direct driven energy converter. This approach allows for a simplification where most or all of the control of the turbines can be managed by the electrical converter system, reducing investment cost and need for maintenance. The concept features an H-rotor that is omnidirectional in regards to wind direction, meaning that it can extract energy from all wind directions without the need for a yaw system. The turbine is connected to a direct driven permanent magnet synchronous generator (PMSG), located at ground level, that is specifically developed to control and extract power from the turbine. The research is ongoing and aims for a multi-megawatt VAWT in the near future. View Full-Text
Keywords: wind power; vertical axis wind turbine (VAWT); permanent magnet synchronous generator (PMSG) wind power; vertical axis wind turbine (VAWT); permanent magnet synchronous generator (PMSG)
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Apelfröjd, S.; Eriksson, S.; Bernhoff, H. A Review of Research on Large Scale Modern Vertical Axis Wind Turbines at Uppsala University. Energies 2016, 9, 570.

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