Title :
Analysis and design of the two-transformer asymmetrical half-bridge converter
Author :
Leu, Yi-Hsin ; Chen, Tsou-Min ; Chen, Chern-Lin
Author_Institution :
Delta Electron., Inc., Taiwan
Abstract :
Two-transformer asymmetrical half-bridge converter allows duty cycle larger than 50% and hence has the merits of lower output rectifier stress and wider input voltage range. In this paper, detailed circuit operations of the converter are analyzed. A practical design procedure is then developed. Zero voltage switching (ZVS) conditions of power switches are quantitatively investigated. Experimental results obtained from a 24 V/10 A prototype operating at 200 kHz are presented.
Keywords :
bridge circuits; power semiconductor switches; rectifying circuits; switching convertors; transformers; zero voltage switching; 10 A; 200 kHz; 24 V; ZVS; asymmetrical half-bridge converter; power switches; rectifier stress; transformer; zero voltage switching; Circuit topology; Cities and towns; Inductors; Rectifiers; Resonance; Steady-state; Stress; Switches; Switching converters; Zero voltage switching;
Conference_Titel :
Industrial Electronics Society, 2005. IECON 2005. 31st Annual Conference of IEEE
Print_ISBN :
0-7803-9252-3
DOI :
10.1109/IECON.2005.1569061
