本論文的目的在於研製一個以數位信號處理器(DSP)為基礎的數位控制交錯式電流饋入型全橋功率因數修正器，以微控制器TMS320F28035取代傳統類比IC，藉由控制器上的取樣保持電路，分別感測輸入電壓、輸入電流和輸出電壓，再經由控制迴路產生對應之PWM控制信號。本論文採用兩組並聯的方式實現3 kW負載功率，開關以交錯式方法控制，如此可以解決功率開關承受大電流的問題、降低輸入/輸出電流漣波及提升功率密度。此外，本論文實作一台規格為輸入220 VAC、輸出450 V、輸出功率3 kW的交錯式電流饋入型全橋功率因數修正器，並以實驗證明了此架構之可行性。

This thesis presents the design and implementation of a DSP-based digital-controlled interleaved current-fed full-bridge power factor correction converter. TMS320F28035 microcontroller is used to replace the convertional analog IC. By the sampling circuits on the controller, the input voltage, input current and output voltage are respectively sensed. Then the corresponding PWM control signals are produced. Two interleaved modules together supply the 3-kW load power. The problem of high-current stress on the switches can be solved. The input/output ripple currents can be reduced, and thus the power density increases. In this thesis, interleaved current-fed full-bridge power factor corrrection converters are implemented with an input voltage of 220 Vac, an output voltage of 450 V, and an output power of 3 kW. Experimental results verify the feasibility of the presented topology.

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