Transient stability characteristics of a 1-m single-layer YBCO cable

Atsushi Ishiyama*, Xudong Wang, Hiroshi Ueda, Masashi Yagi, Shinichi Mukoyama, Naoji Kashima, Shigeo Nagaya, Yuh Shiohara

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


YBCO tapes are expected to be used in future high temperature superconductor (HTS) applications as they have better Jc characteristics at high temperatures and in high magnetic fields. For power applications such as transmission cables, YBCO tapes and a copper former are connected in parallel and they might be subjected to a short-circuit fault current that is 10 to 30 times the normal operating current. Therefore, the over-current behavior, including the hot-spot and the distribution of transport current between the copper-laminated YBCO tapes and the copper former, is very important to examine the stability and feasibility of the cable. This paper describes the experimental results for over-current pulses of a 1-m single-layer cable fabricated with five copper-laminated YBCO tapes and a copper former. Further, we performed numerical simulations by using a newly developed computer program based on the 3D finite element method.

Original languageEnglish
Article number4519802
Pages (from-to)1228-1231
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number2
Publication statusPublished - 2008 Jun


  • FEM analysis
  • Fault current
  • Over-current
  • Transient stability
  • Transmission cable
  • YBCO

ASJC Scopus subject areas

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


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