一种高电压输入的PFC电路的分析与实现  

Analysis and Implementation of a Power Factor Correction Circuit with High Input Voltage

作　　者：赵军[1] 杨永兵[1] 钱照明[1] 

机构地区：[1]浙江大学,浙江杭州310027

出　　处：《电力电子技术》2004年第2期1-2,共2页Power Electronics

摘　　要：详细分析了一种适用于高电压输入的功率因数校正电路,它具有电压跟随型变换器Buck鄄Boost的特点,同时具有低电压应力、检流方便、效率高等优点。经仿真和实验结果验证,该电路与Buck鄄Boost变换器一样,在断续工作状态下自身具备完美的功率因数校正功能。r:Detailed theoretical analysis for a power factor correction circuit with high voltage input is presented in this paper.The proposed scheme has good performance of the Buck-Boost converter, moreover, it has the characteristics of lower device stress,the facility in the current detection and high efficiency.Simulative and experimental results verified that just as the Buck-Boost converter,the significant self-PFC capability naturally is achieved when it is operated in a DCM condition.

关 键 词：功率因数/Buck-Boost电路 器件应力 

分 类 号：TM714.3[电气工程—电力系统及自动化]