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Analysis of dc link energy storage for single-phase grid-connected pv inverters

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dc.contributor.authorErtasgin, G.
dc.contributor.authorWhaley, D.M.
dc.contributor.authorErtugrul, N.
dc.contributor.authorSoong, W.L.
dc.date.issued2019
dc.description.abstractSingle-phase grid-connected photovoltaic (PV) inverters (GCI) are commonly used to feed power back to the utility. However, the inverter output power fluctuates at 100 Hz, which can be seen by the PV panel, and this reduces the PV output power. It is important to determine and analyze the correlation between the array voltage and current ripple and the average output power reduction of PV array. Therefore, this paper investigates the relationships between the oscillations due to single-phase switching and the DC link energy storage for PV GCIs. The balanced ripple definition is introduced and compared with the more common centered ripple definition. Some examples are provided that demonstrate the importance of these results, in the inverter design industry. The analysis presented here incorporates inductor trade-offs, which are verified with experimental results
dc.identifier.citationElectronics, 2019; 8(6)
dc.identifier.doi10.3390/electronics8060601
dc.identifier.issn2079-9292
dc.identifier.issn2079-9292
dc.identifier.orcidErtugrul, N. [0000-0002-5592-5268]
dc.identifier.orcidSoong, W.L. [0000-0003-0734-7608]
dc.identifier.urihttps://hdl.handle.net/11541.2/137473
dc.language.isoen
dc.publisherMDPI
dc.rightsCopyright 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution. (http://creativecommons.org/licenses/by/4.0/)
dc.source.urihttps://doi.org/10.3390/electronics8060601
dc.subjectDC link energy storage
dc.subjectenergy efficiency
dc.subjectfluctuations
dc.subjectphotovoltaic systems
dc.subjectgrid-connected inverter
dc.subjectsolar power generation
dc.titleAnalysis of dc link energy storage for single-phase grid-connected pv inverters
dc.typeJournal article
pubs.publication-statusPublished
ror.fileinfo12175449890001831 13175449880001831 electronics-08-00601.pdf
ror.mmsid9916286407901831

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