A high-power high-frequency ZCS-ZVS-PWM buck converter using a feedback resonant circuit

Author

De Freitas, Luiz Carlos ; Coelho Comes, P.R.

Author_Institution

Universidade Federal de Uberlandia, Brazil

Volume

10

Issue

1

fYear

1995

fDate

1/1/1995 12:00:00 AM

Firstpage

19

Lastpage

24

Abstract

This paper presents a buck DC-to-DC power converter using a novel lossless commutation cell for high switching frequency and high power operation. The proposed cell consists of a main and auxiliary switches, with ZVS and ZCS switching characteristics, respectively. The power converter control using this cell is realized by the PWM technique, with constant switching frequency operation. The complete operation principles, theoretical analysis, relevant equations, state-space phase, simulation and experimental results for the buck converter are presented

Keywords

DC-DC power convertors; PWM power convertors; circuit feedback; circuit testing; commutation; equivalent circuits; field effect transistor switches; network analysis; power MOSFET; power field effect transistors; power semiconductor switches; resonant power convertors; state-space methods; switching circuits; PWM; ZCS; ZVS; buck DC-to-DC power converter; constant switching frequency operation; equations; experiments; feedback resonant circuit; lossless commutation; simulation; state-space phase; switching characteristics; Buck converters; DC-DC power converters; Equations; Pulse width modulation; Pulse width modulation converters; Switches; Switching converters; Switching frequency; Zero current switching; Zero voltage switching;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.368465

Filename

368465