DocumentCode :
1547636
Title :
Analysis, Design and Control of a Unified Power-Quality Conditioner Based on a Current-Source Topology
Author :
Melín, Pedro E. ; Espinoza, José R. ; Morán, Luis A. ; Rodriguez, José R. ; Cardenas, Victor M. ; Baier, Carlos R. ; Muñoz, Javier A.
Author_Institution :
Electr. Eng. Dept., Concepcion Univ., Concepción, Chile
Volume :
27
Issue :
4
fYear :
2012
Firstpage :
1727
Lastpage :
1736
Abstract :
This paper presents a three-phase unified power-quality conditioner based on current source converters (CSC-UPQC), including the design guidelines of the key components, an appropriate control scheme, and a selection procedure of the dc current level. Particularly, the ride through capability criterion is used to define a minimum dc current level so that the CSC-UPQC achieves the same characteristics as a UPQC based on voltage-source converters in terms of voltage disturbance compensation in the point of common coupling (PCC) and load power factor compensation. A 1.17 MVA load fed from a 3.3 kV system is used to show the proposed design procedure, and a laboratory prototype is implemented to show the system compensating sags and swells using low switching frequency in the CSC and maintaining a unitary displacement power factor in the PCC.
Keywords :
compensation; power convertors; power factor; power supply quality; CSC-UPQC; PCC; apparent power 1.17 MVA; current source converters; current-source topology; dc current level; load power factor compensation; low switching frequency; point of common coupling; ride through capability criterion; system compensating sags; three-phase unified power-quality conditioner; unified power-quality conditioner analysis design; unitary displacement power factor; voltage 3.3 kV; voltage disturbance compensation; Capacitors; Converters; Harmonic analysis; Nonlinear control; Reactive power; Shunt (electrical); Current source converters; nonlinear control; power quality (PQ); unified power-quality conditioner (UPQC);
fLanguage :
English
Journal_Title :
Power Delivery, IEEE Transactions on
Publisher :
ieee
ISSN :
0885-8977
Type :
jour
DOI :
10.1109/TPWRD.2012.2199524
Filename :
6225397
Link To Document :
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