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説明:

This paper presents the experimental results of the BSCCO coils impregnated with low-melting point metal, whose melting point is 60 °C. The coils were layer-wound without turn-to-turn insulation, i.e., no-insulation (NI). We fabricated the coils with polycarbonate bobbin and casing and the coils with aluminum alloy bobbins and casing. The coils with polycarbonate bobbin and casings showed severe degradation after impregnation. The coils with aluminum alloy ones showed less degradation. A long decay time of the magnetic field during a sudden discharge was measured. The decay time was shortened to be 1/39 by an inter-layer insulation with polyimide sheet. Partial insulation, i.e., electrical insulation between adjacent layers, was effective in reducing this long time constant, even for a BSCCO NI coil.

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• In Copyright
  

  © 2024 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.

キーワード: BSCCO, high-temperature superconducting coil, impregnation, no-insulation, partial-insulation

刊行年月日: 2024-05-07

出版者: Institute of Electrical and Electronics Engineers (IEEE)

掲載誌:

• IEEE Transactions on Applied Superconductivity (ISSN: 10518223) vol. 34 issue. 5 p. 1-5 4605705

研究助成金:

• JST-Mirai Program JPMJMI18A3

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5151

公開URL: https://doi.org/10.1109/tasc.2024.3397572

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更新時刻: 2024-12-16 10:32:54 +0900

MDRでの公開時刻: 2026-05-07 10:24:02 +0900