本文旨在研製太陽能發電之複合式供電系統。在太陽能電池方面，採用兩組昇壓型直流-直流功率轉換器並聯運轉，搭配最大功率追蹤控制策略，使系統滿足不同天候狀況下運作，保持最佳工作效益。在蓄電池組方面，採用二臂型雙向昇/降壓直流-直流功率轉換器，其工作模式分為昇壓模式與降壓模式：在昇壓模式下可將蓄電池組的能量送至直流鏈電壓側，補充發電量之不足。在降壓模式下可由直流鏈電壓將多餘電力回充至蓄電池組，有效管理發電側與輸出側之能量平衡。蓄電池並採用二臂交錯式脈波寬度調變控制，可有效降低漣波電壓並達成均流控制。在輸出側採用單相全橋型直流-交流功率轉換器，利用單極性電壓切換技術，可操作於電壓控制模式獨立運轉或電流控制模式市電併聯運轉。
　　在實體製作中，控制核心採用數位信號處理器TMS320F2808，藉電壓、電流回授至數位信號處理器做運算，使用電壓、電流閉迴路控制策略，完成整體系統之實體製作。在模擬分析中，本文使用MATLAB/Simulink模擬軟體分析整體系統在各種操作模式下之控制策略，所得出之輸出波形可與實測結果相驗證。
　　本文之太陽能發電系統在獨立運轉模式下，可對單相負載輸出交流60Hz、110V之定電壓，輸出有效實功率345W；在市電併聯運轉模式下，可對單相110V之市電網路輸出5A峰值之電流，輸出有效實功率390W，整體效率為92.9%。

　　The objective of this thesis is to develop the photovoltaic hybrid conversion system. On the solar-cell system side, two parallel boost dc-dc power converters are connected and controlled with maximum power point tracking to attain optimum efficiency under various weather conditions. Whereas, On the battery part, a two-leg bi-directional boost/buck dc-dc power converter is designed so that in the boost mode, the power in the battery can be released to dc-link. While in the buck mode, the surplus power can charge the battery from dc-link. The balance of energy between generation and output sides can thus be managed. The two-leg interleave pulse-width modulation method is used in battery group to reduce the ripple voltage and achieve equal-current control effectively. A single phase full-bridge inverter utilizing unipolar voltage switching method is used on output side. It can be either operated in stand-alone fashion using voltage control or connected with power grid using current control mode.
　　The digital signal processor (DSP, TMS320LF2808) is used to control the system with voltage and current feedbacks. The overall system is completed by using the voltage and current closed-loop control strategy. The simulation software, MATLAB / Simulink is used to analyze control performance of each operation mode. The output waveforms obtained are verified experimentally.
　　Experimental results for the output of 110V, 345W to single-phase load under stand-alone operation mode is obtained. In addition, an output of 5A peak, 110V, 390W with an efficiency of 92.9% is achieved under grid-connected operation.

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