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Modelling and AC losses of BSCCO conductors with anisotropic and position-dependent Jc

Modelling and AC losses of BSCCO conductors with anisotropic and position-dependent Jc
Modelling and AC losses of BSCCO conductors with anisotropic and position-dependent Jc
This paper presents results from numerical modelling of BSCCO conductors performed with finite element method software. The AC losses are calculated and compared for conductors of different geometry and aspect ratio––an elliptical tape with anisotropic Jc(B) and a round wire with isotropic Jc(B), in external magnetic field of various angles. The difference in the losses of the wire and the tape is found to be significant and depends on the applied field's magnitude and orientation. Also studied is the effect of the lateral Jc distribution along the width of a 37-filamentary tape. The AC losses in each filament are calculated and compared. Simulations with transport current only, as well as with applied AC perpendicular or parallel fields have been made for a model with constant Jc and models with increasing and decreasing Jc towards the edges of the tape.
BSCCO/Ag wires and tapes, AC losses, numerical modelling, non-uniform Jc, anisotropic Jc
0921-4534
1091-1096
Stavrev, Svetlomir
ebca4bba-9639-4dba-b8f1-5e8f2ea6dfaa
Yang, Yifeng
4cac858a-e0c0-4174-a839-05ca394fc51f
Dutoit, Bertrand
03aa3a20-ec3c-42c5-86f3-e820dd9c8670
Stavrev, Svetlomir
ebca4bba-9639-4dba-b8f1-5e8f2ea6dfaa
Yang, Yifeng
4cac858a-e0c0-4174-a839-05ca394fc51f
Dutoit, Bertrand
03aa3a20-ec3c-42c5-86f3-e820dd9c8670

Stavrev, Svetlomir, Yang, Yifeng and Dutoit, Bertrand (2002) Modelling and AC losses of BSCCO conductors with anisotropic and position-dependent Jc. Physica C: Superconductivity and its Applications, 378-381 (2), 1091-1096. (doi:10.1016/S0921-4534(02)01592-7).

Record type: Article

Abstract

This paper presents results from numerical modelling of BSCCO conductors performed with finite element method software. The AC losses are calculated and compared for conductors of different geometry and aspect ratio––an elliptical tape with anisotropic Jc(B) and a round wire with isotropic Jc(B), in external magnetic field of various angles. The difference in the losses of the wire and the tape is found to be significant and depends on the applied field's magnitude and orientation. Also studied is the effect of the lateral Jc distribution along the width of a 37-filamentary tape. The AC losses in each filament are calculated and compared. Simulations with transport current only, as well as with applied AC perpendicular or parallel fields have been made for a model with constant Jc and models with increasing and decreasing Jc towards the edges of the tape.

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More information

Published date: 2002
Additional Information: PACS classification codes: 74.60.Jg; 02.60.Cb
Keywords: BSCCO/Ag wires and tapes, AC losses, numerical modelling, non-uniform Jc, anisotropic Jc

Identifiers

Local EPrints ID: 22695
URI: http://eprints.soton.ac.uk/id/eprint/22695
ISSN: 0921-4534
PURE UUID: 47ed0c9b-7445-42ac-8dc2-62d87fdcc312
ORCID for Yifeng Yang: ORCID iD orcid.org/0000-0002-3874-6735

Catalogue record

Date deposited: 24 Mar 2006
Last modified: 07 Oct 2020 01:37

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Contributors

Author: Svetlomir Stavrev
Author: Yifeng Yang ORCID iD
Author: Bertrand Dutoit

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