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Circuit coupling method applied to bulk superconductors

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4 Author(s)
Vinot, E. ; LEF/ENSIEG, Domaine Univ., St. Martin d''Heres, France ; Leconte, V. ; Meunier, G. ; Tixador, P.

This paper presents a new finite-element method for including a bulk superconductor in an electrical circuit. The method solves simultaneously the finite-element equations of Aψ formulation and the circuit equations. At the same time, a power law defines the superconducting properties. The method then compares the classical homogeneous model of a Bi-2223 tape to a multifilament model. The results of a simulation of conductors carrying alternative current while subjected to an external ac field are presented.

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Magnetics, IEEE Transactions on  (Volume:38 ,  Issue: 6 )