一种研究具有三种不连续导通模式的DC/DC变换器作为自动PFC的系统方法

This article describes a general method for studying the behavior of converters with three discontinuous conduction modes as automatic power factor correctors (PFCs). Some converters with a single discontinuous conduction mode (such as Buck-Boost, Flyback, SEPIC, Ćuk, and Zeta converters) can behave as automatic PFCs when operating in that discontinuous conduction mode, with a nearly constant duty...