本論文研製以DSP控制之AC-DC雙向電能轉換器。此電能轉換器以數位信號處理器TMS320LF2407A為控制核心，且於交流-直流轉換時輔以平均電流法實現高功率因數。由於此轉換器具有雙向功能，當輸出電容之電壓值大於轉換器設定之穩壓值時，能夠將能量從直流系統端傳輸至交流端，達到雙向傳輸之功能。此外，為實現電能轉換器容量擴充之便利性，本論文採用雙組並聯之系統架構，且以直接主僕法之控制來實現多模組電流均流之目的，以避免能量傳遞時，造成能量分配不均，而使轉換器系統損壞。最後完成一輸入交流電壓220 V，輸出直流電壓400 V，系統功率2000 W，輸入均流誤差率<5%，功率因數0.9之電能轉換器雛型，並驗證理論與實驗之一致性。

This thesis presents a design and implementation of the DSP controlled AC-DC bidirectional power converter. The digital signal processor TMS320LF2407A is used as the control center. The function of power factor correction is accomplished by average current control when it is acted as an AC-DC converter. And for the purpose of bidirectional transmission it can transfer energy from the DC system to the AC bus for particular case. The parallel system is used for increasing system capacity easily. The dedicated master-slave method is adopted to achieve the current sharing operation. Finally, the prototype of the AC-DC bidirectional power converter, input voltage AC 220 V, output voltage DC 400 V, rated power 2 kW, input current sharing error < 5%, and 0.9 of power factor, is implemented to confirm the specifications of theory and field test.

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