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3-D finite element analysis of coupling current in multifilamentary AC superconducting cable

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6 Author(s)
N. Takahashi ; Dept. of Electr. Eng., Okayama Univ., Japan ; T. Nakata ; Y. Fujii ; K. Muramatsu
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A method for analyzing the 3-D coupling current which is induced by an AC magnetic field in a multifilamentary superconducting cable is developed. In this method, such a superconducting cable, in which many twisted filaments are embedded in a matrix, is treated as macroscopic, having anisotropic conductivity. The method for treating the anisotropy of conductivity and the 3-D finite-element formulation are presented. The effectiveness of the technique is illustrated by the analysis of the 3-D coupling currents of superconducting cables.

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IEEE Transactions on Magnetics  (Volume:27 ,  Issue: 5 )