Two Stage Dimmable PFC LED Driver Digital Controller Design and Analysis for Isolated SEPIC Converter

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dc.contributor.authorHukumen, Burhan
dc.contributor.authorGokdag, Mustafa
dc.contributor.authorGulbudak, Ozan
dc.date.accessioned2024-09-29T16:04:28Z
dc.date.available2024-09-29T16:04:28Z
dc.date.issued2023
dc.departmentKarabük Üniversitesien_US
dc.description5th IEEE Global Power, Energy and Communication Conference (GPECOM) -- JUN 14-16, 2023 -- Nevsehir, TURKEYen_US
dc.description.abstractThis study proposes a two-stage power converter with power factor correction (PFC) capability for led dimming applications with a power rating of 200W. The initial stage of the proposed system adopts an isolated single ended primary inductance converter (SEPIC) which aims to ensure the reliability of the PFC operation, eliminate the current harmonics, and maintain the electrical isolation of the digital stage from AC mains. A low-bandwidth compensator for the PFC converter is designed based on the state-space averaged small-signal model of the SEPIC to attenuate the harmonic component at the twice frequency of the mains. A synchronous buck converter is utilized as the second stage to regulate the dynamics of the LED array current. The compensator of the LED driver is designed with a relatively wide bandwidth to achieve fast and robust dimming. The two-stage converter is simulated using PSIM. The simulation results verify that the converter can adjust the LED array's current while ensuring unity power factor operation for the mains input.en_US
dc.description.sponsorshipIEEE,Nevsehir Haci Bektas Veli Univ,IEEE Ind Applicat Soc,IEEE Ind Elect Soc,IEEE Power Elect Soc,IEEE Power & Energy Soc,Univ Nova Lisboa,Univ Palermoen_US
dc.identifier.doi10.1109/GPECOM58364.2023.10175765
dc.identifier.endpage38en_US
dc.identifier.isbn979-8-3503-0198-4
dc.identifier.issn2832-7667
dc.identifier.scopus2-s2.0-85166476475en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage33en_US
dc.identifier.urihttps://doi.org/10.1109/GPECOM58364.2023.10175765
dc.identifier.urihttps://hdl.handle.net/20.500.14619/6125
dc.identifier.wosWOS:001043011400006en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherIeeeen_US
dc.relation.ispartof2023 5th Global Power, Energy and Communication Conference, Gpecomen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectIsolated SEPIC Converteren_US
dc.subjectPFCen_US
dc.subjectTHDen_US
dc.subjectLED Driveren_US
dc.subjectState-Space Modelen_US
dc.subjectDigital Controlen_US
dc.titleTwo Stage Dimmable PFC LED Driver Digital Controller Design and Analysis for Isolated SEPIC Converteren_US
dc.typeConference Objecten_US

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