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 journalConference articlepeer-review

10 Citations (Scopus)

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
Publication statusPublished - Mar 2001
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: Sept 17 2000Sept 22 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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