| Summary: | 碩士 === 國立中正大學 === 電機工程研究所 === 106 === A wind turbine may use different generators including permanent magnet synchronous generator, reluctance generator, flux switching permanent magnet machine, high–temperature superconducting generator and others. Various generators have different characteristics for specific applications. The advantages and weak points for wind generators are summarized in this work. Additionally, this work also investigates the main considerations when designing the wind generator. They include the efficiency, the cogging torque, the torque ripple, the size, the weight and the magnet materials used in machines. Additionally, This thesis has the initial prototype design on small permanent magnet synchronous generator. The slot number and pole number is 32 pole 33 slot and 32 pole 36 slot, respectively. The design steps and the design considerations of the wind generator are also discuessed. Finally, this work uses one-factor-at-atime method and Taguchi’s Orthogonal Arrays Method to improve the performance of the wind generator to reduce the cogging torque of the machine. The results show that we can obtain better performance wind generator by using Taguchi’s Orthogonal Arrays Method.
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