本論文主要針對應用於大型風力發電機之無刷雙饋式感應電機(Brushless Doubly-Fed Induction Machine, BDFIM)提出一設計流程。針對台灣低風速應用場合，本文訂定出適合於該風場的發電機規格。在發電機方面，本文建立一精確之等效磁路模型，該磁路模型可迅速計算出定轉子尺寸及其磁動勢、磁阻與電感，且結合等效電路模型計算出各種電機參數，同時考慮磁飽和問題，而無須使用費時的有限元素法(Finite Element Analysis, FEA)模擬軟體。
為了驗證所提出的等效磁路結合等效電路模型之準確度，本文設計一BDFIM原型機進行測試與驗證。透過實驗結果與FEA模擬比較，本等效磁路與電路模型與設計方法獲得完整的驗證。未來可利用上述設計方法，設計適用於各式風場大型風機之BDFIM。

This thesis proposes a design process for brushless doubly-fed induction machine (BDFIM) applied to wind turbines. The specification of the wind turbine generator is determined for Taiwan’s low wind conditions. An accurate magnetic circuit model (MCM) is constructed for BDFIM. The model can rapidly calculate the dimension of BDFIM by taking saturation into account and calculate the machine parameters without time-consuming finite element analysis (FEA). By combining the MCM and an equivalent circuit model (ECM), the BDFIM can be properly designed.
A scaled-down prototype is realized and tested to verify the models accuracy and validate the feasibility of the BDFIM design approach. According to the experimental and FEA simulation results, the design process can achieve the prescribed specifications. The developed model can be farther used for design of BDFIM for any wind conditions.

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