Reversible unity power factor step-up/step-down AC-DC converter controlled by sliding mode

Author

Colling, Ivan Eidt ; Barbi, Ivo

Author_Institution

Lab. for Autom. & Syst., Pontifical Catholic Univ. of Parana, Curtiba, Brazil

Volume

16

Issue

2

fYear

2001

fDate

3/1/2001 12:00:00 AM

Firstpage

223

Lastpage

230

Abstract

A reversible step-up/step-down AC-DC converter is presented in this paper. It is a fifth-order system, capable of managing power transfer from a DC source to an AC one, with any ratio between the DC and the AC voltage levels, and producing a sinusoidal output current, using only one power processing stage. By reversing the energy flow this circuit becomes a high power factor rectifier. This reversion can be obtained simply by inverting the reference AC current. The system is analyzed as the connection of two independent lower order subsystems, controlled by sliding mode with decentralised switching scheme. Experimental results from a 100 W prototype operating in both senses, as inverter and as rectifier, are shown to confirm the mathematical analyses and simulations

Keywords

AC-DC power convertors; electric current control; power factor; variable structure systems; 100 W; AC current control; DC-AC power conversion; decentralised switching; energy flow reversal; fifth-order system; high power factor rectifier; mathematical analyses; power quality; power supplies; power transfer management; reference AC current inversion; reversible unity power factor converter; sinusoidal output current; sliding mode control; step-up/step-down AC-DC converter; variable structure systems; AC-DC power converters; Circuits; Control systems; Energy management; Power system management; Reactive power; Rectifiers; Sliding mode control; Virtual prototyping; Voltage;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.911146

Filename

911146