2018•Unpublished venueRequires access

Research on power transmission characteristic of forward-flyback converter

Jian Bo Cao, Shulin Liu, Liqian Yan, Zhi Huang

Abstract

The power transmission characteristics of forward-flyback converter with single switch and single transformer is analyzed in detail. The proportion change relationship between the forward and flyback power in the dynamic ranges of input voltage and load is studied. The maximum forward power is deduced and the approach to improve the power capacity of this converter is obtained. Finally a 480W prototype (195Vac-265Vac input, 48Vdc output) is built to verify the correctness of theoretical analysis.

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Available abstract

Key concepts: Flyback converter, Flyback transformer, Flyback diode, Forward converter, Buck–boost converter, Transformer, Computer science, Switched-mode power supply