单级PFC变换器的功率因数校正效果的研究  

Study on Effect of Power Factor Correction in Single-stage PFC Converter

作　　者：李广全[1] 王志强[1] 

机构地区：[1]华南理工大学电力学院,广东广州510640

出　　处：《电源技术应用》2003年第11期10-12,共3页Power Supply Technologles and Applications

摘　　要：讨论了Boost型单级功率因数校正变换器的优点,分析了输入电流的畸变。The advantage of the single -stage power factor correction(PFC) rectifier cascading a boost type converter with an isolated DC/DC converter is discussed. Distortion of the input current is analyzed, and the equation of power factor is derived, It is proved by simulation and experimental results.

关 键 词：开关电源 单级PFC变换器 功率因数校正 输入电流 仿真 

分 类 号：TM44[电气工程—电器] TN624[电子电信—电路与系统]