Development of high temperature superconducting current feeders for a large-scale superconducting experimental fusion system

T Mito, K Takahata, R Heller, A Iwamoto, R Maekawa, H Tamura, Y Yamada, K Tachikawa, K Maehata, K Ishibashi, G Friesinger, M Tasca, A Nishimura, S Yamada, S Imagawa, N Yanagi, H Chikaraishi, S Hamaguchi, M Takeo, T ShintomiT Satow, O Motojima

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

The National Institute for Fusion Science (NIFS), in collaboration with universities and laboratories in Japan, the Forschungszentrum Karlsruhe (FZK) and the Max-Planck Institut fur Plasma Physik (IPP) in Germany, is planning to develop High Temperature Superconducting (HTS) current feeders for large-scale superconducting coils? Two programs are being progressed: one is a current feedthrough for superfluid helium (HE II) ceded superconducting coils; the other is current leads for experimental fusion system. The paper describes the present status of the two programs, including joint experiments of a 20 kA Bi-2223 current lead developed by FZK and development of a prototype YBCO bulk current feedthrough for He IT cooled superconducting coils. In addition, the test results of Bi-2212 tubes fabricated by diffusion profess, applicable to HTS current leads, are described.
Original languageEnglish
Pages (from-to)2611-2614
Number of pages4
JournalIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume11
Issue number1
DOIs
StatePublished - Mar 2001

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