High current transport test of a YBCO bulk conductor up to 25 kA

K. Maehata, T. Taino, M. Mizokami, K. Ishibashi, M. Takeo, T. Mito, A. Iwamoto, S. Yamada, S. Satoh, O. Motojima, T. Shintomi, M. Morita, T. Tokunaga

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10 Citations (Scopus)

Abstract

A melt-textured YBCO bulk material was employed to obtain high current transport characteristics of a bulk high temperature superconductor. A disk-shaped YBCO bulk material 65 mm in diameter and 15 mm thick was fabricated by a modified quench and melt growth (QMG) process. An "H" shaped bulk conductor was cut from the YBCO disk. The cross sectional area and length of the conductor were 7 mm × 7 mm and 20 mm, respectively. The bulk conductor was mounted in a high current bus line with a conductor-holder which allows high current feed and mechanical support against the thermal stress and electromagnetic force. Both ends of the conductor were soldered to electrodes of the conductor-holder. At 4.2K, high current transport experiments were carried out up to 25 kA.

Original languageEnglish
Pages (from-to)1281-1284
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume9
Issue number2 PART 1
DOIs
Publication statusPublished - Dec 1 1999

All Science Journal Classification (ASJC) codes

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

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