Soft-switching techniques for PWM full bridge converters

Author

Ruan, Xinbo ; Yan, Yangguang

Author_Institution

Div. of Teaching & Res., Nanjing Univ. of Aeronaut. & Astronaut., China

Volume

2

fYear

2000

fDate

2000

Firstpage

634

Abstract

This paper proposes a family of modulation strategies for PWM full bridge converter including nine modulation strategies, which can be classified into two kinds according to the turn-off sequence of the two power switches in the oblique diagonal line of the two bridge legs. The concept of leading leg and lagging leg is introduced to realize soft-switching for PWM full bridge converters. The realization of soft-switching for both leading leg and lagging leg is proposed, based on which, soft-switching techniques for PWM full bridge converters can be classified into two kinds: zero-voltage-switching (ZVS) and zero-voltage and zero-current-switching (ZVZCS). The modulation strategies and topologies for the two kinds of soft-switching PWM full bridge converters are proposed

Keywords

DC-DC power convertors; PWM power convertors; bridge circuits; switching circuits; DC/DC power conversion; PWM full-bridge power converters; lagging leg; leading leg; modulation strategies; power switches; soft-switching techniques; turn-off sequence; zero-voltage zero-current-switching; zero-voltage-switching; Bridge circuits; Frequency; Leg; Pulse width modulation; Pulse width modulation converters; Switches; Switching converters; Topology; Zero current switching; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 2000. PESC 00. 2000 IEEE 31st Annual

Conference_Location

Galway

ISSN

0275-9306

Print_ISBN

0-7803-5692-6

Type

conf

DOI

10.1109/PESC.2000.879892

Filename

879892