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  4. Test results of a 10 kA current lead using Ag/Au cladded Bi-2212 tubes
 
research article

Test results of a 10 kA current lead using Ag/Au cladded Bi-2212 tubes

Fuchs, A. M.
•
Wesche, R.  
•
Anghel, A.
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2002
IEEE Transactions on Applied Superconductivity

In the frame of the European Fusion Technology Programme, the Forschungszentrum Karlsruhe (FZK) and the Centre de Recherches en Physique des Plasmas (CRPP) are developing a 70 kA current lead for the toroidal field coils of the International Thermonuclear Reactor (ITER-FEAT) using high-temperature superconductors (HTS). As a part of this task, two 5 kA HTS modules made of Bi-2212 bulk material cladded with an Ag/Au sheath have been ordered in the industry. The two HTS tubes were connected in parallel forming a 10 kA current lead that has been tested at CRPP. In addition to the steady state performance, the thermal transient behavior for loss of flow in the gas-cooled copper part has been studied. A special feature of the test equipment are small Hall probes providing information on the current distribution in the two HTS tubes. In spite of a considerably uneven current distribution the current lead could be safely operated in steady state at the nominal current of 10 kA.

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Type
research article
DOI
10.1109/TASC.2002.1018636
Web of Science ID

WOS:000176908600292

Author(s)
Fuchs, A. M.
•
Wesche, R.  
•
Anghel, A.
•
Roth, F.
•
Heller, R.
•
Tasca, A.
Date Issued

2002

Publisher

IEEE Institute of Electrical and Electronics Engineers

Published in
IEEE Transactions on Applied Superconductivity
Volume

12

Issue

1

Start page

1281

End page

1284

Subjects

ITER

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CRPP  
SPC  
Available on Infoscience
April 16, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/21870
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