PWM series resonant DC-link converter with current clamping by the use of saturable core

Author

Da Silva, Edison Roberto Cabral ; Abeyratne, Sunil Gamini ; Murai, Yoshihiro

Author_Institution

Dept. of Electr. Eng., Fed. Univ. of Paeaiba, Brazil

Volume

14

Issue

1

fYear

1999

fDate

1/1/1999 12:00:00 AM

Firstpage

82

Lastpage

89

Abstract

A series resonant DC link power converter with pulsewidth modulation (PWM) capability and current peak limiting is proposed. When desired, a resonant transition creates notches in the DC link current, allowing the switches of the power converter to synchronize with external PWM strategy. For that, it requires only an additional bidirectional switch. A saturable core (SC) achieves current peak limiting of which the clamping level is automatically adjusted by the current load. Analysis and design procedure are presented for the proposed topology, which does not use any dedicated devices for startup. Simulated and experimental results corroborate the theoretical studies

Keywords

PWM power convertors; magnetic cores; resonant power convertors; saturable core reactors; switching circuits; DC link current notches; PWM series resonant DC link power converter; bidirectional switch; clamping level; current clamping; current peak limiting; resonant transition; Circuits; Clamps; Inductors; Pulse width modulation; Pulse width modulation converters; Resonance; Strontium; Switches; Switching converters; Topology;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.737595

Filename

737595