A digital controller for a unity power factor converter

Author

Mitwalli, A.H. ; Leeb, S.B. ; Verghese, George C. ; Thottuvelil, V.J.

Author_Institution

Lab. for Electron. Syst., MIT, Cambridge, MA, USA

fYear

1992

fDate

1992

Firstpage

173

Lastpage

181

Abstract

A digital controller for a unity power factor AC-DC converter is designed, based on a linear large-signal model of the power supply. A hardware implementation of the design is presented and analyzed, along with simulations of the closed-loop system. Issues in digital control of power systems, such a quantization effects and fixed-point representation of system parameters, are examined in the context of this system. The experimental results are then compared with the simulations and used to evaluate the implementation.

Keywords

closed loop systems; control system synthesis; controllers; digital control; power control; power convertors; power factor; AC-DC converter; closed-loop system; digital controller; experimental results; fixed-point representation; linear large-signal model; power supply; quantization effects; simulations; system parameters; unity power factor converter; AC-DC power converters; Analytical models; Digital control; Hardware; Power supplies; Power system analysis computing; Power system control; Power system modeling; Power system simulation; Reactive power;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Power Electronics, 1992., IEEE Workshop on

Conference_Location

Berkeley, CA, USA

Print_ISBN

0-7803-0920-0

Type

conf

DOI

10.1109/CIPE.1992.247306

Filename

247306