Influence of non-uniform current distribution on transport ac loss in Bi-2223/Ag tapes

불균일 전류분포가 Bi-2223/Ag 초전도선재의 통전손실에 미치는 영향

  • Published : 2005.07.18

Abstract

In this study, we estimate the transport current loss of Bi-2223/Ag tapes with non-uniform current distribution. The conductor was consisted of three Bi-2223/Ag tapes and the each tapes were attached in parallel. The loss of conductor was investigated both numerical and experimental methods. The numerical code to predict ac loss was developed, and finite element method was introduced. It contained intrinsic properties of superconducting tape, which was obtained from nonlinear current voltage relation with external magnetic field and its orientation. Two results were compared and discussed. They showed good agreements with each other.

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