Application of high temperature superconductor in National Institute for Fusion Science

T. Mito, H. Chikaraishi, S. Hamaguchi, R. Heller, S. Imagawa, K. Ishibashi, M. Iwakuma, A. Iwamoto, K. Maehata, R. Maekawa, J. Morikawa, O. Motojima, A. Nishimura, Y. Ogawa, T. Satow, T. Shintomi, K. Tachikawa, K. Takahata, H. Tamura, S. YamadaY. Yamada, N. Yanagi

研究成果: Contribution to journalConference article査読

4 被引用数 (Scopus)

抄録

In the National Institute for Fusion Science (NIFS), the following three research items are being advanced as application of high temperature superconductor (HTS) to an experimental fusion plasma system, through collaboration with universities and laboratories. The first is an application of HTS in the large current feedthrough to a superconducting coil cooled with superfluid helium in order to reconcile low heat load and stable large current transport capability. A 20 kA current feedthrough from 4.4 K to 1.8 K has been being developed using YBCO bulk superconductors manufactured by the QMG process. The second is the development of a 30 kA HTS current lead. The Bi2212 bulk material fabricated by the diffusion process is considered as a candidate material for HTS current leads. The third is the development of the superconducting magnetic-levitation coil for Mini-RT wound with Bi2223 tape conductor. A magnetic-levitation coil operated in persistent-current mode has to levitate for 8 hours without a feed of refrigerant. Present status of these HTS application researches in NIFS is reported.

本文言語英語
ページ(範囲)606-610
ページ数5
ジャーナルIEEE Transactions on Applied Superconductivity
12
1
DOI
出版ステータス出版済み - 3 2002
イベント17th Annual Conference on Magnet Technology - Geneva, スイス
継続期間: 9 24 20019 28 2001

All Science Journal Classification (ASJC) codes

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

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