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Transport AC Losses of YBCO Coated Conductor Coils

Published online by Cambridge University Press:  17 March 2011

Francesco Grilli  and
Stephen P. Ashworth
Francesco Grilli
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM, 87545
Stephen P. Ashworth
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM, 87545
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Abstract

Certain practical applications of YBCO coated conductors (CC) involve superconducting tapes wound in coils. In such a configuration the superconducting tape is arranged as closely packed turns, leading to an increase of the magnetic field generated by the current in the tapes and, consequently, a significant increase in the AC losses, with respect to an ‘isolated’ tape. In order to predict and reduce the refrigeration requirements of applications, it is therefore very important to be able to quantify the magnitude of such AC losses, both experimentally and by means of numerical calculations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1001: Symposium M – Progress in High-Temperature Superconductors , 2007 , 1001-M11-04
Copyright
Copyright © Materials Research Society 2007

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