Mitigation of power oscillations for energy harvesting capability improvement of grid-connected renewable energy systems

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dc.authoridBuyuk, Mehmet/0000-0003-3026-4034
dc.authoridCELIK, Ozgur/0000-0002-7683-2415
dc.authoridTan, Adnan/0000-0002-5227-2556
dc.contributor.authorCelik, Ozgur
dc.contributor.authorBuyuk, Mehmet
dc.contributor.authorTan, Adnan
dc.date.accessioned2025-01-06T17:44:10Z
dc.date.available2025-01-06T17:44:10Z
dc.date.issued2022
dc.description.abstractThe increasing penetration of renewable energy sources in the power system raises several challenges from the power quality and output power fluctuations point of view. However, the output power oscillations and power quality problems caused by the low order harmonic oscillations at the second-order frequency of the utility grid on the dc-link capacitor are emerging as major issues for the efficient operation of power converters. In this manner, a novel method based on modification in the control algorithm to alleviate the output power oscillation and reduce the output current total harmonic distortion is proposed. The proposed control approach seems as a promising solution for the satisfactory grid operation of renewable energy sources regarding not requiring any additional circuit and increment in the capacity of the dc-link capacitor. Moreover, mitigation of oscillations enhances the active power reference tracking capability of the controller that enables the overall efficiency improvement of the system. The performed case studies reveal that the overall efficiency rate of the system is increased by 1.3%. On the other hand, the output current harmonic distortion is decreased below 3% even under low power operating conditions. Also, the complexity level of the control algorithm is quite low for real-time implementation.
dc.description.sponsorshipScientific Research Project Unit of Adana Alparslan Turkes Science and Technology University [20103010]
dc.description.sponsorshipThis research study is supported by the Scientific Research Project Unit of Adana Alparslan Turkes Science and Technology University with the project number of 20103010.
dc.identifier.doi10.1016/j.epsr.2022.108756
dc.identifier.issn0378-7796
dc.identifier.issn1873-2046
dc.identifier.scopus2-s2.0-85137157579
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.epsr.2022.108756
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2956
dc.identifier.volume213
dc.identifier.wosWOS:000876970800003
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Sa
dc.relation.ispartofElectric Power Systems Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectRenewable energy sources
dc.subjectPower oscillation
dc.subjectSecond-order harmonic
dc.subjectPower quality improvement
dc.subjectLow current THD
dc.titleMitigation of power oscillations for energy harvesting capability improvement of grid-connected renewable energy systems
dc.typeArticle

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