FEM analysis of effect of magnetism of substrate on AC transport current loss of HTS conductor with ferromagnetic substrate

Daisuke Miyagi, Yoshitomo Amadutsumi, Norio Takahasni, Osami Tsukamoto

研究成果: Article査読

26 被引用数 (Scopus)

抄録

It is reported that the AC transport current loss of coated conductors with ferromagnetic Ni-alloy substrates is larger than the loss calculated by the Norris equation. This means the significant influence of the ferromagnetism of the substrate on AC transport current loss. In this paper, the current distribution and AC loss of HTS coated conductor with ferromagnetic substrate are analysed using the finite element method taking account of the nonlinear E - J characteristics. Calculated results show that the AC transport current loss is increased because the current distribution changes in the superconducting layer due to the concentration of magnetic flux in the substrate. The effect of magnetism of substrate on the current distribution of superconducting layer is illustrated and the AC transport current loss characteristics of the HTS coated conductor with ferromagnetic substrate are examined.

本文言語English
ページ(範囲)3167-3170
ページ数4
ジャーナルIEEE Transactions on Applied Superconductivity
17
2
DOI
出版ステータスPublished - 2007 6月
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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