基于MC56F8323的Boost型單相功率因數校正技術研究

摘要：基于DSP的數字控制逐漸和電力電子應用緊密結合，功率因數校正是電力電子技術的一個重要應用，本文利用MOTOROLA新型號MC56F8323的高性能特性，完成了基于DSP的功率因數校正應用模塊研究，給出了詳細的系統設計和控制參數，最后用一臺500W實驗樣機驗證了數字控制所帶來的優良的系統性能。 敘詞：功率因數校正，數字信號處理，PI控制 Abstract：The link between power electronics and digital control based on DSP gets more and more close, PFC rectifier is an important application in power electronics. In this paper, based on the Motorola new DSP chip -MC56F8323, an digital PFC Rectifier is implemented, and the system frame and control parameters is given in detail, at last a 500 watt prototype demo is built to verify the favorable performance resulted from digital control. Keyword：power factor correction; digital signal process; PI control