Development of 10 kA high temperature superconducting power cable for railway systems

M. Tomita, Muralidhar Miryala, K. Suzuki, Y. Fukumoto, A. Ishihara

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The superconducting Bi 2Sr 2Ca 2Cu 3O y Bi-2223 tapes made with a powder-in-tube process laminated with a copper alloy have been used to design and develop a 5 m long multilayer concentric cable to be applied in railway systems. The electrical performance of the conductor has been evaluated with DC transport current at an economical 77 K (liquid nitrogen temperature) in the self-field. The inner and outer sheet wires were able to sustain electric currents of 10 130 A and 10 910 A, respectively. These values are sufficient for several types of commercial applications. The current values are significantly higher than the earlier reported ones in Bi-2223 or YBa 2Cu 3O y Y-123 superconducting cables, indicating that the tape quality has considerably improved.

Original languageEnglish
Article number063910
JournalJournal of Applied Physics
Volume111
Issue number6
DOIs
Publication statusPublished - 2012 Mar 15
Externally publishedYes

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cables
tapes
copper alloys
electric current
liquid nitrogen
conductors
direct current
wire
tubes
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Development of 10 kA high temperature superconducting power cable for railway systems. / Tomita, M.; Miryala, Muralidhar; Suzuki, K.; Fukumoto, Y.; Ishihara, A.

In: Journal of Applied Physics, Vol. 111, No. 6, 063910, 15.03.2012.

Research output: Contribution to journalArticle

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