A new family of converters,high-performance AC/DC power factor correction(PFC) switching converters with one-cycle control technology and active floating-charge technology,was derived and experimentally verified.The t...A new family of converters,high-performance AC/DC power factor correction(PFC) switching converters with one-cycle control technology and active floating-charge technology,was derived and experimentally verified.The topology of a single-phase CCM and DCM Boost-PFC switching converter was also analyzed.Its operating prniciples and control methods were expounded.Based on these,a new type of AC/DC switching converter circuits for PFC combined with one-cycle control technology was presented herein.The proposed AC/DC switching converter significantly helps improve the converter efficiency and its power factor value.展开更多
介绍一种无桥有源功率因数矫正(Active Power Factor Correction,APFC)的关键控制方法、无桥APFC较有桥APFC的优势、无桥APFC的控制原理。关键控制方法中重点讲述了电流环路和电压环路控制的实现方法与电流环路前馈控制方法,同时阐述了...介绍一种无桥有源功率因数矫正(Active Power Factor Correction,APFC)的关键控制方法、无桥APFC较有桥APFC的优势、无桥APFC的控制原理。关键控制方法中重点讲述了电流环路和电压环路控制的实现方法与电流环路前馈控制方法,同时阐述了使用同步整流的作用、软件实现方法以及实验结果。展开更多
文摘A new family of converters,high-performance AC/DC power factor correction(PFC) switching converters with one-cycle control technology and active floating-charge technology,was derived and experimentally verified.The topology of a single-phase CCM and DCM Boost-PFC switching converter was also analyzed.Its operating prniciples and control methods were expounded.Based on these,a new type of AC/DC switching converter circuits for PFC combined with one-cycle control technology was presented herein.The proposed AC/DC switching converter significantly helps improve the converter efficiency and its power factor value.
文摘介绍一种无桥有源功率因数矫正(Active Power Factor Correction,APFC)的关键控制方法、无桥APFC较有桥APFC的优势、无桥APFC的控制原理。关键控制方法中重点讲述了电流环路和电压环路控制的实现方法与电流环路前馈控制方法,同时阐述了使用同步整流的作用、软件实现方法以及实验结果。
