Improved Resonant Converter for Dynamic Wireless Power Transfer Employing a Floating-Frequency Switching Algorithm and an Optimized Coil Shape

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorGhohfarokhi, Shahriar Sarmast
dc.contributor.authorTarzamni, Hadi
dc.contributor.authorTahami, Farzad
dc.contributor.authorKyyra, Jorma
dc.contributor.departmentSharif University of Technology
dc.contributor.departmentDepartment of Electrical Engineering and Automation
dc.date.accessioned2022-08-10T08:13:50Z
dc.date.available2022-08-10T08:13:50Z
dc.date.issued2022
dc.descriptionPublisher Copyright: © 2013 IEEE.
dc.description.abstractThis paper offers a new EF-class converter for dynamic wireless power transfer application. The proposed high-frequency converter employs a floating-frequency switching algorithm to control the converter in a continuous frequency range, eliminate the requirement to any additional operational data from the secondary (receiver) side, accelerate the load impedance match while moving, maximize the transferred power rate, reduce charging interval and compensate power transfer tolerances. Moreover, an optimized super elliptical shape coil is designed to cope with lateral misalignment, enhance coil coupling, and increase efficiency. In the proposed converter, (i) soft switching is implemented to increase switching frequency, decrease passive components size, and improve power density, (ii) undesired voltage harmonics are attenuated to reduce peak voltage stress of the power switch in a wide frequency range, (iii) the receiver side is enabled for higher mobility with stable power transfer, and (iv) the resonant frequency is updated to compensate non-accurate values of passive components in experimental prototyping. In this study, the operational analytics, compensation method, control algorithm, coil design and converter optimization are followed with some comparisons to present the converter capabilities. In addition, simulation and experimental results are provided under different degrees of misalignment to verify the accuracy of theoretical analytics.en
dc.description.versionPeer revieweden
dc.format.extent11
dc.format.extent56914-56924
dc.format.mimetypeapplication/pdf
dc.identifier.citationGhohfarokhi , S S , Tarzamni , H , Tahami , F & Kyyra , J 2022 , ' Improved Resonant Converter for Dynamic Wireless Power Transfer Employing a Floating-Frequency Switching Algorithm and an Optimized Coil Shape ' , IEEE Access , vol. 10 , pp. 56914-56924 . https://doi.org/10.1109/ACCESS.2022.3175880en
dc.identifier.doi10.1109/ACCESS.2022.3175880
dc.identifier.issn2169-3536
dc.identifier.otherPURE UUID: 0a3f9f9e-4679-4a2e-9aa6-87d6a77bdc5b
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/0a3f9f9e-4679-4a2e-9aa6-87d6a77bdc5b
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85130449182&partnerID=8YFLogxK
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/85707704/Improved_Resonant_Converter_for_Dynamic_Wireless_Power_Transfer_Employing_a_Floating_Frequency_Switching_Algorithm_and_an_Optimized_Coil_Shape.pdf
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/115668
dc.identifier.urnURN:NBN:fi:aalto-202208104490
dc.language.isoenen
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartofseriesIEEE Accessen
dc.relation.ispartofseriesVolume 10en
dc.rightsopenAccessen
dc.subject.keywordCoil shape optimization
dc.subject.keywordDynamic wireless power transfer
dc.subject.keywordEF-class resonant converter
dc.subject.keywordFloating-frequency switching algorithm
dc.titleImproved Resonant Converter for Dynamic Wireless Power Transfer Employing a Floating-Frequency Switching Algorithm and an Optimized Coil Shapeen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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