本文主要在研製以數位控制實現之交錯式圖騰柱無橋功率因數修正器。數位控制器採用平均電流控制法設計電壓迴圈與電流迴圈，並在電壓迴圈中加入非線性控制以改善輸出暫態響應。並解決輸入電壓於零交越點緩啟動時由於圖騰柱架構產生的電流突波問題。本文以PSIM模擬軟體驗證數位控制方式之可行性，實作部分使用德州儀器 TMS320F280049數位訊號處理器為控制核心，以數位控制的方式實現本論文所設計之功率因數修正器。並選用碳化矽(SiC)功率元件作為電路架構中之功率開關，實作一台輸出功率13 kW、輸入交流電壓220 V、輸出直流電壓750 V之單相交錯式圖騰柱無橋功率因數修正器。

This thesis aims to study and implement a digital control interleaved totem pole bridgeless PFC. Using average current control method to design the digital controller of voltage loop and current loop. In addition, non-liner control and input voltage zero-crossing soft start is added im-prove the output transient response and solve the input zero-crossing cur-rent spike about totem pole topology. This thesis uses simulation software PSIM to verify the feasibility of the digital control scheme. In practice, choosing the TMS320F280049 digital signal processor from Texas In-strument to achieve the design of the digital controller, choosing SiC component as power MOSFET and making a 13 kW output power, 220 V input AC voltage and 750 V output voltage interleaved totem pole bridge-less PFC.

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