新颖的半桥式单相PFC AC/DCBuck变换器的研究

Study on a Novel Half-bridge Single-phase PFC AC/DC Buck Converter

提出了一种新颖的基于电感电压控制模式 (IVC)的半桥式单相PFCAC/DCBuckPWM变换器 ,它具有电路结构简单、控制性能好、功率因数为 1的优点。分析了该电路的主要工作原理和IVC控制策略 ,详细分析了其主要设计参数 ,最后利用等效平均模型方法对其工作特性进行了仿真研究 。

This paper presents a novel half bridge single phase rectifier based on IVC(inductor voltage control) technique.It is characteristic of simple implementation, excellent control performance and unity power factor. Analysis of the function, IVC control strategy and a detailed analysis of its parameter design are provided. The simulation result with average model and experiment result are utilized to validate the theoretic results.