Title :
Performance comparison of two current control techniques applied to an active filter
Author :
Singh, B.N. ; Chandra, Ambrish ; Al-Haddad, Kamal
Author_Institution :
GREPCI, Ecole de Technol. Superieure, Montreal, Que., Canada
Abstract :
This paper compares two types of current control techniques with a view to the problem of switching ripples in the supply current caused by switching of an active power filter (APF). A closed loop control scheme of a three-phase APF is implemented using a TMS320C31 DSP for direct and indirect current control techniques. A current controlled voltage source inverter (CC-VSI) is used as an APF. A three-phase diode bridge rectifier with R-L load is taken as a nonlinear load. Experimental results for both the techniques of current control are compared and the capability of the indirect current control technique towards the elimination of switching ripples is established
Keywords :
AC-DC power convertors; DC-AC power convertors; active filters; bridge circuits; closed loop systems; control system synthesis; electric current control; harmonic distortion; invertors; load (electric); power harmonic filters; power system harmonics; rectifying circuits; R-L load; active power harmonic filter; closed loop control scheme; control design; control performance comparison; control simulation; current control techniques; nonlinear load; switching ripples elimination; three-phase diode bridge rectifier; three-phase power filter; voltage source inverter; Active filters; Bridge circuits; Control systems; Current control; Current supplies; Digital signal processing; Diodes; Nonlinear control systems; Power harmonic filters; Voltage control;
Conference_Titel :
Harmonics and Quality of Power Proceedings, 1998. Proceedings. 8th International Conference On
Conference_Location :
Athens
Print_ISBN :
0-7803-5105-3
DOI :
10.1109/ICHQP.1998.759859
