A PWM current source inverter for medium-frequency induction heating applications

Author

Shu, Zhiqin ; Quaicoe, John E.

Author_Institution

Fac. of Eng. & Appl. Sci., Memorial Univ. of Newfoundland, St. John´´s, Nfld., Canada

fYear

1993

fDate

14-17 Sep 1993

Firstpage

84

Abstract

This paper investigates the feasibility of a PWM current source inverter scheme for medium-frequency induction heating applications. In contrast to the conventional current source inverter, this inverter achieves output power regulation primarily through pulse width modulation within the inverter bridge. This results in a faster system dynamic response with improved efficiency. The basic features of the proposed scheme are described in the paper. The state-space method of analysis is used to provide performance characteristics which are experimentally verified on a 1 kVA prototype

Keywords

bridge circuits; dynamic response; induction heating; invertors; network analysis; power convertors; pulse width modulation; state-space methods; thyristor applications; 1 kVA; MF; PWM current source inverter; bridge; dynamic response; efficiency; feasibility; induction heating applications; output power regulation; performance characteristics; state-space method; Bridge circuits; Frequency; Inductors; Power generation; Pulse width modulation; Pulse width modulation inverters; Reactive power; Rectifiers; Switches; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical and Computer Engineering, 1993. Canadian Conference on

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-2416-1

Type

conf

DOI

10.1109/CCECE.1993.332230

Filename

332230