本論文利用一雙輸入錯相式半橋轉換器應用於獨立型太陽能系統，轉換器利用最大功率追蹤技術，使太陽能模組的輸出功率達最大。變壓器一次側採中心抽頭設計，可降低磁化電感之平均電流，縮小變壓器體積。論文內容主要探討太陽能模組、電池、負載間之能量管理；當陽光充足時，太陽能模組提供能量給負載及電池；若陽光不足時，由電池輔助提供能量；當夜晚或是遮陰嚴重的情況，就由電池提供負載所需的能量。本文首先探討各式多輸入電源之轉換器電路與最大功率追蹤技術，再針對所提之電路架構進行理論推導與穩態分析。最後，利用實作驗證此電路架構之可行性，並以數位訊號處理器(dsPIC33FJ64GS606)來實現系統之最大功率追蹤控制、電池充放電控制及模式轉換等功能。

In this thesis, a dual-input interleaved half-bridge converter for stand-alone photovoltaic (PV) system is presented. The converter is controlled with maximum power point tracking (MPPT) technology to obtain maximum output power from the PV modules. The magnetizing inductance of the transformer with center-tapped can reduce average current, thereby reducing the transformer size. This thesis focus on the energy distribution among PV modules, batteries, and the load. The PV modules supplies energy to load and charge the batteries under high irradiation condition. The batteries provide partial of the load at low irradiation condition. In cloudy day or at night, the batteries supply the total load energy. The conventional topologies of multi-input converter and the maximum power point tracking are discussed. Also, the operating principles and steady-state analysis of the proposed dual-input interleaved half-bridge converter are analyzed. Finally, an experimental prototype with 250Wpk is realized by dsPIC33FJ64GS606 digital signal processor (DSP) to verify the theoretical analysis and feasibility of the proposed system.

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