Magnetization losses of Roebel cable samples with 2G YBCO coated conductor strands
Magnetization losses of Roebel cable samples with 2G YBCO coated conductor strands
Roebel cable with second-generation YBCO strands is one of the promising high-temperature superconducting solutions of fully transposed high current conductors for high field accelerator magnets. Following the considerable research effort on the manufacturing of Roebel cables in recent years, sample conductors are now available in useful lengths with reproducible performances to allow for detailed characterizations beyond the standard critical current measurements. The ac loss and strands coupling are of significant interest for the field quality of the accelerator magnets. We report a set of systematic ac loss measurements on two different Roebel cable samples prepared for the EuCARD-2 collaboration. The measurements were performed over a wide range of temperature values between 5 and 90 K, and the results were analyzed in the context of strands architecture and coupling. The results show that the transposed bundles are partially decoupled, and the strands in transposition sections behave as an isolated single tape if the strands are insulated.
1-5
Yang, Y.
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Pelegrin Mosquera, J.
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Falorio, I.
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Young, E.
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Kario, A.
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Goldacker, W.
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Dhalle, M.M.J.
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van Nugteren, J.
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Kirby, G.
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Bottura, L.
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Ballarino, A.
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April 2016
Yang, Y.
4cac858a-e0c0-4174-a839-05ca394fc51f
Pelegrin Mosquera, J.
3a110c1a-ad88-4f90-bffc-7a0b5042f240
Falorio, I.
1d3d3b19-cc26-4217-8cba-9cd336e1d3dd
Young, E.
d3a881b0-a564-41f5-9843-34ae86da360f
Kario, A.
444d2a55-c3cf-4a74-aaf9-3df8f5464be7
Goldacker, W.
4590ff41-917f-482d-b2d2-7aec87234941
Dhalle, M.M.J.
44b78115-143f-4f4a-b611-1aa53ea9c9fe
van Nugteren, J.
3b780f0d-5ae5-495f-91be-9423e27e5332
Kirby, G.
8218fbd8-c8e2-4afd-b3ae-3380d847e96e
Bottura, L.
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Ballarino, A.
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Yang, Y., Pelegrin Mosquera, J., Falorio, I., Young, E., Kario, A., Goldacker, W., Dhalle, M.M.J., van Nugteren, J., Kirby, G., Bottura, L. and Ballarino, A.
(2016)
Magnetization losses of Roebel cable samples with 2G YBCO coated conductor strands.
IEEE Transactions on Applied Superconductivity, 26 (3), , [8202105].
(doi:10.1109/TASC.2016.2525926).
Abstract
Roebel cable with second-generation YBCO strands is one of the promising high-temperature superconducting solutions of fully transposed high current conductors for high field accelerator magnets. Following the considerable research effort on the manufacturing of Roebel cables in recent years, sample conductors are now available in useful lengths with reproducible performances to allow for detailed characterizations beyond the standard critical current measurements. The ac loss and strands coupling are of significant interest for the field quality of the accelerator magnets. We report a set of systematic ac loss measurements on two different Roebel cable samples prepared for the EuCARD-2 collaboration. The measurements were performed over a wide range of temperature values between 5 and 90 K, and the results were analyzed in the context of strands architecture and coupling. The results show that the transposed bundles are partially decoupled, and the strands in transposition sections behave as an isolated single tape if the strands are insulated.
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Accepted/In Press date: 22 January 2016
e-pub ahead of print date: 11 February 2016
Published date: April 2016
Organisations:
Energy Technology Group
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Local EPrints ID: 394813
URI: http://eprints.soton.ac.uk/id/eprint/394813
ISSN: 1051-8223
PURE UUID: 1fc12bd5-704f-4179-9428-5a5ce5792be0
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Date deposited: 24 May 2016 11:07
Last modified: 15 Mar 2024 02:45
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Author:
J. Pelegrin Mosquera
Author:
I. Falorio
Author:
A. Kario
Author:
W. Goldacker
Author:
M.M.J. Dhalle
Author:
J. van Nugteren
Author:
G. Kirby
Author:
L. Bottura
Author:
A. Ballarino
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