Modelling and control of a zero current switching high-voltage resonant converter power supply for radio frequency sources

Author

Wang, Huifang ; Zanchetta, Pericle ; Clare, Jon ; Ji, Chen

Author_Institution

Dept. of Electr. & Electron. Eng., Univ. of Nottingham, Nottingham, UK

Volume

5

Issue

4

fYear

2012

fDate

4/1/2012 12:00:00 AM

Firstpage

401

Lastpage

409

Abstract

This study presents the design, modelling, control and implementation of a `long-pulse` three-phase resonant converter. A d-q equivalent circuit model of the resonant tank system is established first. Based on that, a model of the whole power supply and a state-space multivariable feedback control has been developed. The soft switching, zero current switching, is achieved by combining frequency and phase control together. An experimental prototype was designed and developed on a small scale. Experimental results confirm the expectations from the simulation study and validate the feasibility of the converter.

Keywords

electric current control; equivalent circuits; feedback; frequency control; multivariable control systems; phase control; power supplies to apparatus; resonant power convertors; state-space methods; zero current switching; current control; d-q equivalent circuit model; experimental prototype; frequency control; phase control; radio frequency sources; resonant converter power supply; resonant tank system; soft switching; state-space multivariable feedback control; zero current switching;

fLanguage

English

Journal_Title

Power Electronics, IET

Publisher

iet

ISSN

1755-4535

Type

jour

DOI

10.1049/iet-pel.2010.0400

Filename

6189846