Design of a circular piezoelectric transformer with crescent-shaped input electrodes

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dc.cont.department-temp
dc.contributor.authorKoc, B
dc.contributor.authorGao, YK
dc.contributor.authorUchino, K
dc.date.accessioned2020-06-25T17:35:36Z
dc.date.available2020-06-25T17:35:36Z
dc.date.issued2003
dc.departmentKırıkkale Üniversitesi
dc.descriptionUchino, Kenji/0000-0003-1651-7912
dc.description.abstractIn this study, a new disk-type piezoelectric transformer design is proposed. The input side of the transformer has a crescent-shaped electrode and the output side has a focused poling direction. The electrodes and poling directions on commercially available piezoelectric ceramic disks were designed so that the planar or shear mode coupling factor (k(p) or k(15)) becomes effective rather than the transverse mode coupling factor (k(31)). ATILA finite element code was used to analyze transformer behavior and to optimize electrode and poling configurations. The voltage step-up ratio of the proposed transformer has been markedly improved in comparison with that of the equivalent rectangular type. A single layer prototype transformer, 25.4 mm in diameter and 1.0 mm thick, operated at 92.8 kHz, was fabricated and its characteristics, such as step-up ratio and power transformation efficiency were measured. While the transformer was driving a cold cathode fluorescent lamp (CCFL), the temperature field of the transformer was also observed.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1143/JJAP.42.509
dc.identifier.endpage514en_US
dc.identifier.issn0021-4922
dc.identifier.issue2Aen_US
dc.identifier.scopus2-s2.0-0038343621
dc.identifier.scopusqualityQ2
dc.identifier.startpage509en_US
dc.identifier.urihttps://doi.org/10.1143/JJAP.42.509
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3162
dc.identifier.volume42en_US
dc.identifier.wosWOS:000181805200032
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInst Pure Applied Physicsen_US
dc.relation.ispartofJapanese Journal Of Applied Physics Part 1-Regular Papers Short Notes & Review Papers
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectpiezoelectric transformeren_US
dc.subjectceramic disken_US
dc.subjectshear modeen_US
dc.subjectplanar modeen_US
dc.subjecttemperature fielden_US
dc.titleDesign of a circular piezoelectric transformer with crescent-shaped input electrodesen_US
dc.typeArticle

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