No-insulation multi-width winding technique for high temperature superconducting magnet

We present a ) winding technique for an HTS (high temperature superconductor) magnet consisting of double-pancake (DP) coils. The NI enables an HTS magnet self-protecting and the MW minimizes the detrimental anisotropy in current-carrying capacity of HTS tape by assigning tapes of multiple widths to...

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Published inApplied physics letters Vol. 103; no. 17; p. 173511
Main Authors Hahn, Seungyong, Kim, Youngjae, Keun Park, Dong, Kim, Kwangmin, Voccio, John P, Bascuñán, Juan, Iwasa, Yukikazu
Format Journal Article
LanguageEnglish
Published United States 21.10.2013
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Summary:We present a ) winding technique for an HTS (high temperature superconductor) magnet consisting of double-pancake (DP) coils. The NI enables an HTS magnet self-protecting and the MW minimizes the detrimental anisotropy in current-carrying capacity of HTS tape by assigning tapes of multiple widths to DP coils within a stack, widest tape to the top and bottom sections and the narrowest in the midplane section. This paper presents fabrication and test results of an NI-MW HTS magnet and demonstrates the unique features of the NI-MW technique: self-protecting and enhanced field performance, unattainable with the conventional technique.
ISSN:0003-6951
DOI:10.1063/1.4826217