A double ZVS-PWM active-clamping forward converter: analysis, design, and experimentation

Author

Torrico-Bascop, R. ; Barbi, Ivo

Author_Institution

Power Electron. Inst., Fed. Univ. of Santa Catarina, Brazil

Volume

16

Issue

6

fYear

2001

fDate

11/1/2001 12:00:00 AM

Firstpage

745

Lastpage

751

Abstract

This paper presents an isolated DC-DC converter based on two ZVS-PWM active-clamping forward converters connected in series and coupled by a single high-frequency transformer. The proposed converter features no switching losses from no-load to full-load operation and low conduction losses. This converter is suitable for high input voltage (>400 VDC) and high power applications. Operation principles, theoretical analysis and design example, are presented, as well as experimental results taken from a 3 kW laboratory prototype

Keywords

DC-DC power convertors; PWM power convertors; active networks; high-frequency transformers; power supplies to apparatus; power transformers; switching circuits; 3 kW; Operation principles; ZVS-PWM active-clamping forward converters; conduction losses reduction; design; full-load operation; high-frequency transformer; isolated DC-DC power converter; laboratory prototype; no-load operation; power supply; soft switching; switching losses reduction; Capacitors; Circuits; Power supplies; Power transformers; Pulse width modulation; Rectifiers; Switches; Switching converters; Topology; Voltage;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.974372

Filename

974372