Analysis, Design and Control of a Unified Power-Quality Conditioner Based on a Current-Source Topology

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 criter...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2012-10, Vol.27 (4), p.1727-1736
Main Authors: Melin, P. E., Espinoza, J. R., Moran, L. A., Rodriguez, J. R., Cardenas, V. M., Baier, C. R., Munoz, J. A.
Format: Article
Language:English
Subjects:
Applied sciences
Capacitors
Compensation
Conditioning
Converters
Convertors
Current source converters
Current sources
Design engineering
Direct current
Disturbances. Regulation. Protection
Electric potential
Electrical engineering. Electrical power engineering
Electrical machines
Electrical power engineering
Exact sciences and technology
Harmonic analysis
Nonlinear control
Power electronics, power supplies
Power factor
Power networks and lines
power quality (PQ)
Reactive power
Regulation and control
Shunt (electrical)
Studies
unified power-quality conditioner (UPQC)
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Summary: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.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2012.2199524