Dependence AC magnetization losses in thin film superconductor tape on Jc distribution along tape width

N. Sekine, O. Tsukamoto, A. Utsunomiya, D. Miyagi

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)

Abstract

Analytical formulas derived by Norris [J. Phys. D 3 (1970) 489] and Brandt et al. [Phys. Rev. B 48 (1993) 12893] are often used to calculate the AC transport current and magnetization losses in HTS strip conductors. In those formulas, homogeneous distribution of critical sheet current density σc in the strip is assumed. However, it is considered that σc in actual HTS strips are distributed inhomogeneously and that deviations of the measured AC loss data of actual HTS strips from those formulas are due to the inhomogeneous σc distributions. We derived a semi-analytical method to calculate the transport current and magnetization losses in an HTS strip with inhomogeneous σc distribution. The validity of the semi-analytical method is shown by comparing the experimental and analytical data.

Original languageEnglish
Pages (from-to)1284-1289
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume426-431
Issue numberII
DOIs
Publication statusPublished - 2005
EventProceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity -
Duration: 2004 Nov 232004 Nov 25

Keywords

  • AC losses
  • HTS strip
  • Magnetization loss
  • Semi-analytical method
  • Transport current loss

ASJC Scopus subject areas

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

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