Z-source converter integrated dc electric spring for power quality improvement in dc microgrid

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dc.contributor.authorSavrun, Murat Mustafa
dc.date.accessioned2025-01-06T17:37:22Z
dc.date.available2025-01-06T17:37:22Z
dc.date.issued2021
dc.description.abstractIncreasing penetration of renewable energy sources reveals the concept of dc microgrid which has the advantages of low cost and low losses because of the elimination of the AC/DC conversion processes. The most frequently encountered power quality problem in DC microgrid is voltage fluctuations due to the intermittent nature of renewable energy sources. Direct current (DC) electric spring (DCES), which is an emerging power quality device in DC microgrids, is employed in order to mitigate the effect of the related problem. In this paper, z source converter integrated DCES topology (zDCES) is proposed to provide a wide compensation voltage range with lower duty cycle range and a remarkable decrease in the battery nominal voltage in comparison with conventional systems. The proposed system composed of full-bridge converter, z source converter and battery pack. zDCES provides high voltage gain by using z source converter with passive components without any need for additional switches. The shoot-through control, which is used to achieve high gain in z source converter, is implemented using existing full-bridge switches. The performance of the proposed system is compared with the traditional DCES system. The performance of the zDCES is validated with a case study with different voltage fluctuation states. (C) 2021 Karabuk University. Publishing services by Elsevier B.V.
dc.identifier.doi10.1016/j.jestch.2021.05.004
dc.identifier.endpage1414
dc.identifier.issn2215-0986
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85107063307
dc.identifier.scopusqualityQ1
dc.identifier.startpage1408
dc.identifier.urihttps://doi.org/10.1016/j.jestch.2021.05.004
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2211
dc.identifier.volume24
dc.identifier.wosWOS:000707779000012
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier - Division Reed Elsevier India Pvt Ltd
dc.relation.ispartofEngineering Science and Technology-An International Journal-Jestech
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241211
dc.subjectDC electric spring
dc.subjectHigh gain
dc.subjectZ source converter
dc.subjectDC microgrid
dc.subjectPower quality
dc.titleZ-source converter integrated dc electric spring for power quality improvement in dc microgrid
dc.typeArticle

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