Abstract
This paper focuses on the power characteristics of a 300 W class horizontal axis wind turbine (HAWT) equipped with wave winding type axial flux permanent magnet (AFPM) generator. The small HAWT of this study is downwind type and installed with three high speed blades. Structural design for AFPM generator and wind turbine is carried out, and a fixture device for AFPM generator is developed. The developed AFPM generator is direct drive type and its basic performances are evaluated through no-load and load test. A wind tunnel test of the small HAWT equipped with wave winding type AFPM generator is conducted and the electrical power of the developed wind turbine is calculated. Also, based on the detailed design of the new small HAWT, CFD analysis is performed to calculate the mechanical power. Finally, the numerical power and the experimental power of the developed small HAWT are compared. The maximum coefficient of power of the HAWT is 0.34 at 6.7 m/s due to the application of the new wave winding type AFPM generator.
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