Design consideration and optimization procedure for a no-insulation multi-width REBCO magnet

Y. G. Kim, S. Hahn, K. L. Kim, D. G. Yang, Haigun Lee

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

This paper reports the optimization procedure for a no-insulation (NI) multi-width (MW) REBCO magnet, which enables the fabrication of a highly compact and competitively priced superconducting magnet. In order to identify the design considerations for the NI-MW magnet, the electromagnetic performances of 3 different magnets were investigated using the finite element method (FEM). Based on the comparison results, it was verified that the critical current distribution-factor (CCD-factor), which is the ratio of the highest pancake critical current (I<inf>c</inf>) to the lowest pancake I<inf>c</inf> within the magnet, should be close to 1.00 for the MW configuration to be most effective. In the optimized MW magnet, the center B<inf>z</inf> (7.54 T) remarkably exhibited an ∼ 51% increase compared to the 4-mm single width magnet (5.00 T). Furthermore, the CCD-factor of the optimized MW magnet was 1.04, which is quite close to 1.00, sufficiently demonstrating the validity of the optimization process and result.

Original languageEnglish
Pages (from-to)1134-1138
Number of pages5
JournalCurrent Applied Physics
Volume15
Issue number10
DOIs
Publication statusPublished - 2015 Oct 4

Keywords

  • CCD-factor
  • HTS magnet
  • Multi-width
  • No-insulation
  • Optimization

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

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