电荷泵高功率因数变换器

Charge Pump High Power Factor Converter

本文提出一种新型电荷泵高功率因数准半桥变换器拓扑结构。该变换器具有电路结构简单和采用普通的PWM控制方式的特点。文中分析了电路的工作过程及取得高功率因数的条件,给出了电路参数设计指导,并通过仿真与实验证实了理论分析的正确性。达到了不用专用控制芯片实现高功率因数的目的。

A new charge pump converter with power factor correction is present in this paper. It features simple circuit topology and ordinary PWM control way. The operation principle of the converter circuit and high power factor condition are analyzed. The design considerations of circuit parameters are discussed. Simulation and experimental verifies theoretical analysis. It can attain the goal of realizing high power factor without specific controlled IC.