Active Power Filter Control Strategy With Implicit Closed-Loop Current Control and Resonant Controller

Author

Angulo, Manuel ; Ruiz-Caballero, D.A. ; Lago, Jackson ; Heldwein, Marcelo L. ; Mussa, Samir Ahmad

Author_Institution

Power Electron. Lab. (LEP), Pontificia U niversidad Catolica de Valparaiso, Valparaiso, Chile

Volume

60

Issue

7

fYear

2013

fDate

7/1/2013 12:00:00 AM

Firstpage

2721

Lastpage

2730

Abstract

Novel simple indirect control concepts for an active power filter (APF) application are proposed here. The concepts are exemplarily presented to control a modified APF structure. The main advantage over other control strategies is the achieved excellent simplicity-to-performance ratio. The proposed control strategies are based on the concept of virtual impedance emulation to provide high power factor in a system. To validate the operating principle, a single-phase low-power prototype has been built and experimentally tested. This prototype operates at a remarkably low switching frequency of 5 kHz and is digitally controlled by a digital signal processor.

Keywords

active filters; closed loop systems; digital control; electric current control; low-power electronics; power factor; power filters; active power filter control strategy; digital control; digital signal processor; frequency 5 kHz; implicit closed-loop current control; indirect control concepts; modified APF structure; power factor; resonant controller; simplicity-to-performance ratio; single-phase low-power prototype; virtual impedance emulation; Active filters; Capacitance; Current measurement; Harmonic analysis; Inductance; Inverters; Voltage control; Active power filter (APF); dc–ac converters; implicit control; sensorless control techniques;

fLanguage

English

Journal_Title

Industrial Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0278-0046

Type

jour

DOI

10.1109/TIE.2012.2196898

Filename

6191324