本論文內容為研製一單相光伏能量轉換系統並完成數位控制晶片之佈局與模擬驗證。此系統包含具新型直流-直流高昇壓轉換器及全橋換流器，將太陽能板所獲得的直流電源，轉換成交流電源。此高升壓轉換器為電流饋入式，可以降低輸入電流漣波。其漏感能量亦可被回收，有效的降低導通損失。利用可程式邏輯閘陣列FPGA作為控制器，完成高升壓轉換器最大功率追蹤策略，以及全橋換流器市電併聯的電流控制與獨立負載110Vrms/ 60Hz的電壓控制。本文依據TSMC 0.18μm標準元件庫設計流程，設計一系統數位控制晶片。最後，透過研製一個實體系統，並由實驗結果驗證單相光伏能量轉換系統與控制程式的可行性。

In this thesis, a single phase photovoltaic energy conversion system and digital control chip are designed. The PV system includes a novel high step-up DC-DC converter and a full bridge inverter. The system transfers DC power generated by photovoltaic cells into AC power. The step-up converter is a current-fed type which makes input current ripple small. Because the leakage current is recycled, conduction loss is significantly decreased. With the FPGA controller, the converter possesses the MPPT control, and the inverter supports loads with real power to the utility by current mode control, or exclusively with 110V/60Hz sinusoidal voltage by voltage mode control. After the functions are verified, the control chip is designed with TSMC 0.18μm manufacturing process. Finally, the proposed PV system is implemented, and experimental results are provided to verify the performances of the system circuits and the control program.

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