Estimation of hysteresis loss in Sm1Ba2Cu3O7-delta coated conductor via scanning Hall probe measurements with simultaneously applied field and current

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dc.contributor.authorJaeun Yooko
dc.contributor.authorSangMoo Leeko
dc.contributor.authorYeHyun Jungko
dc.contributor.authorKisung Kwakko
dc.contributor.authorJoonkyu Rheeko
dc.contributor.authorYoum, Do-Junko
dc.contributor.authorHosup Kimko
dc.contributor.authorHongsoo Hako
dc.contributor.authorSangSoo Ohko
dc.contributor.authorSangjun Ohko
dc.date.accessioned2013-03-11T17:24:49Z-
dc.date.available2013-03-11T17:24:49Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-04-
dc.identifier.citationSUPERCONDUCTOR SCIENCE & TECHNOLOGY, v.22-
dc.identifier.issn0953-2048-
dc.identifier.urihttp://hdl.handle.net/10203/99725-
dc.description.abstractThe hysteresis loss in a Sm1Ba2Cu3O7-delta coated conductor was estimated from magnetic field profiles measured by the scanning Hall probe method. Current, I-a, and magnetic field, B-a, were applied simultaneously; B-a was applied in the normal direction with respect to the tape surface. B-a and I-a were varied from B-peak to -B-peak and from I-peak to -I-peak, respectively, with the ratio alpha = I-a/B-a fixed during the variation. Three values of a were taken for the three load lines. The values of B-peak/I-peak were varied from 0 mT/0 A to 10.7 mT/116 A, 99.1 mT/50 A, and 298.2 mT/46.1 A, respectively, for the three load lines. From the measured values of magnetic field profiles, the current profiles were calculated by the iterative inversion method. From the current profiles, the flux density profiles and the hysteresis loss, Q, were then calculated for various values of I-peak(=alpha B-peak) in each load line. The results were compared with theoretical calculations based on Brandt's model. When B-peak was about 300 mT, the estimated values of Q were several times smaller than the theoretical values of Q with the self-field I-c0. The low value of Q in this case is due to the field dependent I-c and the saturation effect of the current profiles, which results in significant reduction of the induced magnetic moment, M.-
dc.languageEnglish-
dc.publisherIOP PUBLISHING LTD-
dc.subjectII-SUPERCONDUCTOR STRIP-
dc.subjectAC LOSS CHARACTERISTICS-
dc.subjectMAGNETIC-FIELD-
dc.subjectTRANSPORT CURRENT-
dc.subjectFLUX-PENETRATION-
dc.subjectSUBSTRATE-
dc.subjectCOEVAPORATION-
dc.titleEstimation of hysteresis loss in Sm1Ba2Cu3O7-delta coated conductor via scanning Hall probe measurements with simultaneously applied field and current-
dc.typeArticle-
dc.identifier.wosid000264436800002-
dc.identifier.scopusid2-s2.0-67650754197-
dc.type.rimsART-
dc.citation.volume22-
dc.citation.publicationnameSUPERCONDUCTOR SCIENCE & TECHNOLOGY-
dc.identifier.doi10.1088/0953-2048/22/4/045001-
dc.contributor.localauthorYoum, Do-Jun-
dc.contributor.nonIdAuthorHosup Kim-
dc.contributor.nonIdAuthorHongsoo Ha-
dc.contributor.nonIdAuthorSangSoo Oh-
dc.contributor.nonIdAuthorSangjun Oh-
dc.type.journalArticleArticle-
dc.subject.keywordPlusII-SUPERCONDUCTOR STRIP-
dc.subject.keywordPlusAC LOSS CHARACTERISTICS-
dc.subject.keywordPlusMAGNETIC-FIELD-
dc.subject.keywordPlusTRANSPORT CURRENT-
dc.subject.keywordPlusFLUX-PENETRATION-
dc.subject.keywordPlusSUBSTRATE-
dc.subject.keywordPlusCOEVAPORATION-
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