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A numerical code for the electromagnetic analysis of high T/sub c/ superconductors by finite element method has been developed. The E-j characteristics of superconductor are represented with the n-value. The equivalent conductivity of superconductor is determined as a function of electric field, and Ohm's law is used as the constitutive equation. First, the current and magnetic flux distributions in the infinite slabs of superconductor exposed to a parallel external magnetic field are analyzed. The influence of n-value on AC loss and the frequency dependence of AC loss are studied. The AC loss in the infinitely-long superconductor tapes exposed to the external magnetic field is calculated numerically to study the influence of n-value.
Published in:
Applied Superconductivity, IEEE Transactions on
(Volume:7
,
Issue:
2
)
Date of Publication: June 1997
- Page(s):
- 2110 - 2113
- ISSN :
- 1051-8223
- INSPEC Accession Number:
- 5669808
- Digital Object Identifier :
- 10.1109/77.621008
- Date of Current Version :
- 06 August 2002
- Issue Date :
- June 1997
- Sponsored by :
- The IEEE Council on Superconductivity
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