本論文旨在研製小型垂直軸風力發電市電併聯系統。採用套裝軟體(PSIM)建置300W垂直軸風力發電機模型,並且依照模擬與分析的結果作為實測系統設計與程式控制之基礎。 本文採用之風力發電系統,先將風力發電機輸出之交流電整流為直流電,再以串聯昇壓型直流截波器搭配斜率攀爬法,使300W小型垂直軸風力發電機在不同風速下,均能維持在最大功率輸出,交流側則以智慧型功率模組建置單相全橋式變流器,將直流電轉換成110V交流電再與市電併聯。 首先,本文使用人工風洞量測風力發電機之輸出特性,擬合與建構風力發電機數學模型,利用套裝軟體完成模擬與分析,並採用數位信號處理器(TMS320F28335)為控制核心,完成300W小型垂直軸風力發電市電併聯系統之雛型,並以實測驗證理論之正確。
This thesis focuses on design and implementation of a grid-connected small-scaled vertical axis wind power generation system. A 300W vertical axis wind turbine model was built by Powersim (PSIM) software. The simulation and analysis results were used to design the control algorithms and programs for system testing. Firstly, the AC power of wind turbine output was rectified into DC power, the hill-climbing method was adapted to control series boost DC chopper for maximum power point tracking. Finally, the DC power was transformed into AC power by a single phase full-bridge inverter using smart power module for grid connected control. The wind turbine mathematics model was built from experimental data of wind tunnel laboratory for simulation and analysis. Based on simulation results, a digital signal processor (DSP, TMS320F28335) was used to implement a 300W grid-connected small-scaled vertical axis wind power generation system prototype to verify the theory.
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