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A DC-Link Ripple Current Reduction Method Based on Variable Switching Sequences for Three-Level NPC Inverters
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dc.contributor.authorBae, Yun Jae-
dc.contributor.authorLee, Kyo Beum-
dc.date.issued2023-01-01-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/36934-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85182936526&origin=inward-
dc.description.abstractThis paper presents a DC-link ripple current reduction method based on variable switching sequences for three-level neutral-point-clamped (NPC) inverters. Capacitors are used to maintain the stable DC-link voltage and current in the DC-link of a three-level NPC inverter. In addition, an allowable ripple current is a key factor affecting capacitor design. The ripple current in the DC-link increases the capacitor temperature and reduces lifespan, which can lead to decreased reliability of power conversion systems. The proposed method divides the voltage modulation region into two areas. An optimized switching scheme generates a new switching sequence by selecting the voltage vector that minimizes the DC-link current based on the voltage modulation region. The effectiveness of the proposed method is verified with simulation results.-
dc.language.isoeng-
dc.publisherInstitute of Electrical and Electronics Engineers Inc.-
dc.subject.meshDc-link-
dc.subject.meshNeutral points-
dc.subject.meshNeutral-point clamped inverters-
dc.subject.meshNeutral-point current-
dc.subject.meshPoint currents-
dc.subject.meshRipple currents-
dc.subject.meshSpace vector pulse width modulation-
dc.subject.meshSwitching sequence-
dc.subject.meshThree-level neutral point clamped-
dc.subject.meshThree-level neutral-point-clamped inverte-
dc.titleA DC-Link Ripple Current Reduction Method Based on Variable Switching Sequences for Three-Level NPC Inverters-
dc.typeConference-
dc.citation.conferenceDate2023.10.23. ~ 2023.10.24.-
dc.citation.conferenceName6th IEEE Conference on Energy Conversion, CENCON 2023-
dc.citation.edition2023 IEEE Conference on Energy Conversion, CENCON 2023-
dc.citation.endPage13-
dc.citation.startPage10-
dc.citation.title2023 IEEE Conference on Energy Conversion, CENCON 2023-
dc.identifier.bibliographicCitation2023 IEEE Conference on Energy Conversion, CENCON 2023, pp.10-13-
dc.identifier.doi10.1109/cencon58932.2023.10368991-
dc.identifier.scopusid2-s2.0-85182936526-
dc.identifier.urlhttp://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=10368382-
dc.subject.keywordDC-link-
dc.subject.keywordNeutral-point current-
dc.subject.keywordSpace Vector Pulse-Width Modulation-
dc.subject.keywordThree-level NPC inverter-
dc.type.otherConference Paper-
dc.description.isoafalse-
dc.subject.subareaEnergy Engineering and Power Technology-
dc.subject.subareaRenewable Energy, Sustainability and the Environment-
dc.subject.subareaAutomotive Engineering-
dc.subject.subareaElectrical and Electronic Engineering-
dc.subject.subareaMechanical Engineering-
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