本文旨在分析及製作昇壓型直流-直流功率轉換器與單相直流-交流功率轉換器之系統。本系統藉偵測功率轉換器之昇壓型輸入電壓、電流及直流鏈電壓，調節昇壓型功率轉換器達到直流-直流功率轉換器之電流控制，以配合輸入端之直流電源提供市電併網運轉；單相直流-交流功率轉換器控制需市電角位置估測，本文採用數位反正切函數計算角位置，並採用同步旋轉座標直-交軸電流閉迴路控制策略，以達直流-交流功率轉換器之輸出電感電流控制及提供接近1.0功率因數至市電側。在系統整合運轉方面，直流-交流功率轉換器採用直流鏈電壓閉迴路、直-交軸電壓前饋補償與功率補償策略，減少直-交軸電流振盪，使換流器能提供穩定之直流鏈電壓及功率，以提高整體系統響應速率並降低電流諧波。
　　本文已建立直流-直流及直流-交流功率轉換器之整體系統數學模式，並以Matlab / Simulink套裝應用軟體模擬，驗證系統控制器之可行性。實體製作方面採用高性能之數位信號處理器TMS320F28335為整體系統之控制核心，其電壓及電流閉迴路控制策略皆由軟體程式完成，以減少硬體電路，提升系統運轉可靠度。本文已完成520W之整體系統測試，其昇壓型直流-直流功率轉換器的輸入電壓為140V，直流鏈電壓為200V，市電側的單相交流電壓為110V，60Hz，實測電感電流總諧波失真率為6.71%，市電側的功率因數為0.996，整體效率為91.2%。

This thesis is concerned with the analysis and implementation of boost-type dc-dc power converter and single-phase dc-ac power converter system. The output power of overall system is adjusted by detecting the input voltage and current as well as the dc-link voltage of boost converter. The designed system can be operated in grid-connected fashion. In single-phase dc-ac power converter, the utility angle is used to calculate the arc-tangent for frame transformation. The controllers, which use the d-q current control modes, are performed under stationary reference frame , thereby yielding current and power stably to utility. Finally, the introduction of the dc-link fixed-voltage control and power compensating control in overall power converter system have improved system performance and reduce the input current harmonics.
In this thesis, the mathematical models of dc-dc and dc-ac power converters are built and simulated by Matlab/Simulink. Then, a high-performance digital signal processor, TMS320F28335, is used to control the system with the voltage and current feedbacks. The control of overall system is conducted by software to reduce circuit component and improve system reliability. A prototype of 520W power conversion system is developed under grid-connection. The input voltage of boost converter is 140V. The dc-link voltage is 200V. Under single-phase grid-connected operation, the output voltage is 110V, 60Hz. Besides, the experimental data show that the efficiency of the whole system reaches 91.2% with current harmonic distortion of 6.71% and power factor of 0.996.

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