Improvement of energy harvesting capability in grid-connected photovoltaic micro-inverters

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dc.authoridteke, ahmet/0000-0003-2610-9576
dc.authoridCELIK, Ozgur/0000-0002-7683-2415
dc.contributor.authorCelik, Ozgur
dc.contributor.authorTan, Adnan
dc.contributor.authorInci, Mustafa
dc.contributor.authorTeke, Ahmet
dc.date.accessioned2025-01-06T17:37:33Z
dc.date.available2025-01-06T17:37:33Z
dc.date.issued2024
dc.description.abstractIn this paper, a multi-stage micro-inverter system depending on a dual neutral point clamped (D-NPC) inverter is developed for low power photovoltaic (PV) applications. The primary objectives of this study are determined as improving the performance of the proposed D-NPC inverter-based micro-inverter and its controller to ensure better system reliability and promote the overall efficiency. In comparison with conventional systems, the designed system provides many advantages: (1) utilization of lower rating switching components, (2) reduced switching frequency and voltage stress, (3) reduced the size of filter components, (4) higher efficiency, and (5) lower total harmonic distortion (THD). The weighted efficiency of the system is remarkably increased by the value of 2.15% compared to the conventional micro-inverter and reached 93.73%. Furthermore, the THD value of the output current is measured below 3% for the proposed system with the small size of passive filtering elements. Further, dynamic grid support and anti-islanding detection capabilities are provided through the utilized controller structure to fulfill grid codes. Consequently, obtained results demonstrate that the improved system can be a considerable candidate for photovoltaic micro-inverter applications in terms of weighted efficiency, output current THD, and reasonable cost.
dc.description.sponsorshipScientific Research Project Unit of Cukurova University [FDK-2017-9136]; Turkiye Bilimsel ve Teknolojik Arastirma Kurumu [EEEAG-118E940]
dc.description.sponsorshipThis work was supported by the Scientific Research Project Unit of Cukurova University [FDK-2017-9136]; Turkiye Bilimsel ve Teknolojik Arastirma Kurumu [EEEAG-118E940].
dc.identifier.doi10.1080/15567036.2020.1755389
dc.identifier.endpage2893
dc.identifier.issn1556-7036
dc.identifier.issn1556-7230
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85084983754
dc.identifier.scopusqualityQ1
dc.identifier.startpage2869
dc.identifier.urihttps://doi.org/10.1080/15567036.2020.1755389
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2272
dc.identifier.volume46
dc.identifier.wosWOS:000531950400001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Inc
dc.relation.ispartofEnergy Sources Part A-Recovery Utilization and Environmental Effects
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectdynamic grid support
dc.subjectD-NPC Inverter
dc.subjectefficiency
dc.subjectmicro-inverter
dc.subjectPV systems
dc.titleImprovement of energy harvesting capability in grid-connected photovoltaic micro-inverters
dc.typeArticle

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