On the design and control strategy of high power, high frequency converters for tube welding applications

Author

Dede, E.J. ; Esteve, V. ; Jordan, J. ; Gonzalez, J.V. ; Maset, E.

Author_Institution

G.H. Industrial S.A., Valencia, Spain

fYear

1993

fDate

19-21 April 1993

Firstpage

257

Lastpage

264

Abstract

The aim of this paper is to present the conception, design, control strategy and practical construction of high frequency resonant power converters for tube welding applications. The different working modes of the current fed inverter are analyzed and the simulated waveforms are shown for the practical case where the leakage inductance of the output power transformer is not negligible. The optimum control strategy and the practical aspects in the construction of a 400 kW/200 kHz converter for tube welding applications are explained.<>

Keywords

circuit resonance; design engineering; electric welding; invertors; optimal control; power convertors; power transformers; radiofrequency heating; voltage control; 200 kHz; 400 kW; HF; RF heating; applications; construction; current fed inverter; design; leakage inductance; optimum control strategy; output power transformer; resonant power converters; tube welding; Analytical models; Electron tubes; Feedback loop; Frequency conversion; Heating; Inverters; Rectifiers; Resonance; Resonant frequency; Welding;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Conversion Conference, 1993. Yokohama 1993., Conference Record of the

Conference_Location

Yokohama, Japan

Print_ISBN

0-7803-0471-3

Type

conf

DOI

10.1109/PCCON.1993.264214

Filename

264214