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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. Shintomi
  • T. Satow, O. Motojima

Research output: Contribution to journalConference articlepeer-review

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 für 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) cooled 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 II cooled superconducting coils. In addition, the test results of Bi-2212 tubes fabricated by diffusion process, 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 II
DOIs
StatePublished - Mar 2001
Externally publishedYes
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: Sep 17 2000Sep 22 2000

Keywords

  • Current feeder
  • Current lead
  • Fusion system
  • High-temperature superconductor

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