基于平均电流控制的有源功率因数校正技术

An Active Power Factor Correction Technique Based on Average Current Control

就目前最常用而又较先进的一种有源功率因数校正技术,讨论了其电路拓扑及控制策略,对控制策略中的平均电流控制原理作了详细分析,并给出了用于50 V/20 A通信电源功率因数校正电路的研究结果.功率因数达到0.99以下,适用于大功率应用场合.

In view of a most frequent-used and advanced active power factor correction technique at present, this paper studied on its circuit topology and control strategy, of which the average current control principle is analyzed in detail. The experiment result of a 50V/20A communication power frequency factor correction circuit is also given.