摘要:本文對幾種常見的基于軟開關(guān)技術(shù)的單級隔離型PFC電路的拓?fù)浣Y(jié)構(gòu)、工作原理和控制方法進(jìn)行了分析,指出了各自優(yōu)缺點(diǎn)及適用場合。
敘詞:功率因數(shù)校正; 軟開關(guān); 單級; 隔離型; 全橋變換器
Abstract:Several common used single-stage isolated PFC circuit topologies based on soft-switching technique are presented, the operation principle and control methods are analyzed and compared respectively at first, then the advantages, disadvantages and applications are pointed out.
Keyword:PFC; soft switching; single-stage; isolated mode; full-bridge converter