Mode analysis of half-bridge zero-voltage-switched multi-resonant converter

A complete DC analysis of the half-bridge zero-voltage-switched multiresonant converter is presented. The analysis reveals four different modes of operation. The existence of the modes has been verified experimentally. A computer algorithm is developed for calculating the complete DC voltage-conversion-ratio characteristics encompassing all four modes of operation. The DC characteristics enable the design of the converter to be optimized. The optimization is performed by selecting the resonant components and the turns ratio of the transformer. The computer algorithm can be easily adapted for the analysis of the small-signal properties of the half-bridge multiresonant converter. >

[1]  Milan M. Jovanovic,et al.  High-frequency off-line power conversion using zero-voltage-switching quasi-resonant and multiresonant techniques , 1989 .

[2]  Fred C. Lee,et al.  DC analysis and design of zero-voltage-switched multi-resonant converters , 1989, 20th Annual IEEE Power Electronics Specialists Conference.

[3]  Fred C. Lee,et al.  Comparison of half-bridge ZCS-QRC and ZVS-MRC for offline applications , 1989, Proceedings, Fourth Annual IEEE Applied Power Electronics Conference and Exposition.

[4]  F. Lee,et al.  Zero-voltage-switching technique in high-frequency off-line converters , 1988, APEC '88 Third Annual IEEE Applied Power Electronics Conference and Exposition.

[5]  李幼升,et al.  Ph , 1989 .

[6]  Fred C. Lee,et al.  Zero-voltage-switching multi-resonant technique-a novel approach to improve performance of high frequency quasi-resonant converters , 1988, PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference.