A Series-Connected Photovoltaic Distributed Generator Capable of Enhancing Power Quality

Design of a series-connected photovoltaic generator (SPVG) capable of enhancing power quality is investigated. Analysis of the SPVG operations under disturbance conditions shows explicitly how achievable network voltage quality is affected by the SPVG injected power and its apparent power rating, an...

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Bibliographic Details
Published inIEEE transactions on energy conversion Vol. 28; no. 4; pp. 1026 - 1035
Main Authors Saadat, Nima, Choi, S. S., Vilathgamuwa, D. Mahinda
Format Journal Article
LanguageEnglish
Published IEEE 01.12.2013
Subjects
Energy storage
Generators
Inverters
photovoltaic generator
Photovoltaic systems
Power quality
series compensation
Voltage control
Voltage fluctuations
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Summary:Design of a series-connected photovoltaic generator (SPVG) capable of enhancing power quality is investigated. Analysis of the SPVG operations under disturbance conditions shows explicitly how achievable network voltage quality is affected by the SPVG injected power and its apparent power rating, and that voltage quality can be significantly improved even with a modest level of energy storage capacity incorporated in the SPVG. A control system for the SPVG is also proposed. Both simulation and laboratory tests confirm the efficacy of the distributed generator system.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2013.2278379