充电泵高功率因数准半桥逆变器

Charge Pump High Power Factor Quasi-Half-Bridge Inverter

提出一种新型充电泵高功率因数准半桥逆变器拓扑结构。该逆变器具有电路结构简单和采用普通的PWM控制方式的特点。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。

A new charge pump quasi half bridge inverter with power factor correction is present in this paper. It is featured by simple circuit topology and ordinary PWM control way. The operation principle of the inverter circuit and high power factor condition are analyzed. The design considerations of circuit parameters are discussed. Simulation and experiment verify the theoretical analysis. It can attain the goal of realizing high power factor without specific controlled IC.