Circuit coupling method applied to bulk superconductors

Author

Vinot, Emmanuel ; Leconte, Vincent ; Meunier, Gérard ; Tixador, Pascal

Author_Institution

LEF/ENSIEG, Domaine Univ., St. Martin d´´Heres, France

Volume

38

Issue

6

fYear

2002

fDate

11/1/2002 12:00:00 AM

Firstpage

3661

Lastpage

3664

Abstract

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.

Keywords

bismuth compounds; calcium compounds; finite element analysis; high-temperature superconductors; losses; strontium compounds; superconducting coils; superconducting tapes; Aψ formulation; Bi₂Sr₂Ca₂Cu₃O_x; bulk superconductors; circuit coupling method; circuit equations; finite-element method; high-temperature superconductors; homogeneous model; multifilament model; power law; superconducting device; superconducting properties; superconducting tape; Bean model; Conductors; Coupling circuits; Electric potential; Equations; Finite element methods; Multifilamentary superconductors; Superconducting magnets; Superconductivity; Voltage;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2002.804802

Filename

1158957