本論文之目的在研製一升壓型功率因數修正器，針對一般需要擷取輸入電壓為參考訊號的控制器中有乘法器之缺點，使用一種無需電源電壓偵察之平均電流模式控制的IC作為控制核心，並分析其操作原理及與單週期、平均電流模式控制法做比較。本文利用德州儀器公司所產的UCC28019為控制器，驗證功率因數修正器在實作及設計分析上是否正確。本文所研製的詳細規格包含輸入電壓為90~264Vrms/60Hz，輸出電壓為400Vdc，最大功率為460W，切換頻率操作在65kHz。經實驗結果證實，在滿載情況下，效率可達93%、功率因數可達0.99以上。此外，電流總諧波失真在7.5%以下，輸入電流諧波亦可滿足IEC 61000-3-2 Class-D之規範。由以上結果驗證設計與實驗的正確性。

The objective of this thesis is to design and implement a boost type power factor corrector (PFC).Preventing the shortcoming of sensing the input voltage, the proposed method using an average current mode control without supply voltage sensing. This thesis employs a commercial PFC IC as the controller and analyzes the operating principle of the proposed converter. Comparisons between the proposed method and one-cycle control method both with average current mode control are made in this thesis as well. The power factor controller, UCC28019, is used as the controller to implement and verify the performance of the proposed method. The specifications of the proposed PFC are as follow: input voltage range 90~264 Vrms/60 Hz, output voltage 400 Vdc , rated output power 460 W, and the switching frequency 65 kHz. Experimental results show that the efficiency is up to 93%, power factor is greater than 0.99, the THD of the input current is less than 7.5%, and the current harmonics can comply with the IEC 61000-3-2 Class D regulation under the full load conditions. These results confirm the design and implementation.

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