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Article: A High-Efficiency DC/DC Converter for High-Voltage-Gain, High-Current Applications

TitleA High-Efficiency DC/DC Converter for High-Voltage-Gain, High-Current Applications
Authors
QIN, YYang, YLi, SHuang, YTan, SCHui, SY
KeywordsDC microgrids
high-frequency hybrid converter
high-voltage conversion ratio
high efficiency
low cost
Issue Date2020
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org.eproxy1.lib.hku.hk/xpl/RecentIssue.jsp?punumber=6245517
Citation
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020, v. 8 n. 3, p. 2812-2823 How to Cite?
DOI: http://dx.doi.org/10.1109/JESTPE.2019.2908416
AbstractA new class of high-voltage-gain dc–dc converters for high-efficiency and transformer-less dc–dc applications, where large voltage step-up ratios are required, is presented in this paper. The converter is derived from the hybrid integration of a switched-capacitor converter and a boost converter. It features high step-up voltage conversion ratio with a moderate duty cycle, nonpulsating input current, low-voltage stress on all of the switches, easy implementation of control and driving circuits, scalability for high-current high-power applications, and low cost due to reduced components via combination of a two-stage converter into a single-stage converter. Full soft-charging operation and minimal device voltage stresses are achieved under all operating conditions. Steady-state operations of the converter are comprehensively analyzed. A 300-W prototype of a 19-time converter achieving the peak efficiency of 96.1% is built. Both simulation and experimental results validating the theoretical analysis and operation of the converter are provided.
Persistent Identifierhttp://hdl.handle.net/10722/284823
ISSN
2168-6777
2021 Impact Factor: 5.462
2020 SCImago Journal Rankings: 1.570
ISI Accession Number ID
WOS:000554968300068

 

DC FieldValueLanguage
dc.contributor.authorQIN, Y-
dc.contributor.authorYang, Y-
dc.contributor.authorLi, S-
dc.contributor.authorHuang, Y-
dc.contributor.authorTan, SC-
dc.contributor.authorHui, SY-
dc.date.accessioned2020-08-07T09:03:05Z-
dc.date.available2020-08-07T09:03:05Z-
dc.date.issued2020-
dc.identifier.citationIEEE Journal of Emerging and Selected Topics in Power Electronics, 2020, v. 8 n. 3, p. 2812-2823-
dc.identifier.issn2168-6777-
dc.identifier.urihttp://hdl.handle.net/10722/284823-
dc.description.abstractA new class of high-voltage-gain dc–dc converters for high-efficiency and transformer-less dc–dc applications, where large voltage step-up ratios are required, is presented in this paper. The converter is derived from the hybrid integration of a switched-capacitor converter and a boost converter. It features high step-up voltage conversion ratio with a moderate duty cycle, nonpulsating input current, low-voltage stress on all of the switches, easy implementation of control and driving circuits, scalability for high-current high-power applications, and low cost due to reduced components via combination of a two-stage converter into a single-stage converter. Full soft-charging operation and minimal device voltage stresses are achieved under all operating conditions. Steady-state operations of the converter are comprehensively analyzed. A 300-W prototype of a 19-time converter achieving the peak efficiency of 96.1% is built. Both simulation and experimental results validating the theoretical analysis and operation of the converter are provided.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org.eproxy1.lib.hku.hk/xpl/RecentIssue.jsp?punumber=6245517-
dc.relation.ispartofIEEE Journal of Emerging and Selected Topics in Power Electronics-
dc.rightsIEEE Journal of Emerging and Selected Topics in Power Electronics. Copyright © Institute of Electrical and Electronics Engineers.-
dc.rights©20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.-
dc.subjectDC microgrids-
dc.subjecthigh-frequency hybrid converter-
dc.subjecthigh-voltage conversion ratio-
dc.subjecthigh efficiency-
dc.subjectlow cost-
dc.titleA High-Efficiency DC/DC Converter for High-Voltage-Gain, High-Current Applications-
dc.typeArticle-
dc.identifier.emailYang, Y: cacaloto@hku.hk-
dc.identifier.emailHuang, Y: yhuang@eee.hku.hk-
dc.identifier.emailTan, SC: sctan@eee.hku.hk-
dc.identifier.emailHui, SY: ronhui@eee.hku.hk-
dc.identifier.authorityTan, SC=rp01606-
dc.identifier.authorityHui, SY=rp01510-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/JESTPE.2019.2908416-
dc.identifier.scopuseid_2-s2.0-85090397911-
dc.identifier.hkuros312499-
dc.identifier.volume8-
dc.identifier.issue3-
dc.identifier.spage2812-
dc.identifier.epage2823-
dc.identifier.isiWOS:000554968300068-
dc.publisher.placeUnited States-
dc.identifier.issnl2168-6777-

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