基于电压充电泵的功率因数校正电路研究

Study on Power Factor Correction Circuit Based on Voltage Charge-Pump

分析了基本电压充电泵功率因数校正电路(VS CPPFC)的原理,并且给出了电路的工作过程和取得单位功率因数的条件,以及电路参数指导设计。通过对基本电路的不足给予分析,在基本电路基础上进行一定的改进,得到比较实用的电路拓扑结构,通过实验验证了理论分析的正确性。

In this paper,the principle ,the working process, the conditions to get unity power factor and the parameters' guide design of basic power factor correction circuit based on voltage charge-pump are presented. Some improvements based on the basic circuit topology are brought forward through analyzing the faults; a practical circuit is also obtained using these improvements. At last experiments verify theoretical analyses.