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  4. Test Results of a 100 kA NbTi CICC
 
conference paper

Test Results of a 100 kA NbTi CICC

Bruzzone, Pierluigi
•
Stepanov, Boris
•
Wesche, Rainer
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2012
Ieee Transactions On Applied Superconductivity
22nd International Conference on Magnet Technology (MT)

For the secondary winding of the flux pump (superconducting transformer) of the EDIPO test facility at CRPP Villigen, a NbTi cable-in-conduit conductor (CICC) was designed at CRPP and procured at the industry. From a left section of the CICC a SULTAN sample, nicknamed TRASEK, has been assembled and tested. In the conductor design, high Cu:non-Cu ratio in the strand (no copper segregation), low void fraction and SnAg5 coating of the strand surface are selected to allow smooth current redistribution and enhance the take-off voltage. The DC tests are carried out before and after solder filling the sample termination and current sharing is observed up to 80 kA. Eventually, the DC conductor performance is limited by the self field of the sample in the U-bend region. In normal operation, the secondary coil of the transformer is not exposed to significant magnetic field sweeps. The AC loss is expected to be large according to the design choices (tin coating, low void fraction). The AC loss characterization in SULTAN includes over 400 load cycles. The pressure drop vs. mass flow rate is measured in SULTAN to complement the data base for friction factor of CICC's.

  • Details
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Type
conference paper
DOI
10.1109/Tasc.2011.2174597
Web of Science ID

WOS:000307364700282

Author(s)
Bruzzone, Pierluigi
•
Stepanov, Boris
•
Wesche, Rainer
•
Calvi, Marco
Date Issued

2012

Publisher

Ieee-Inst Electrical Electronics Engineers Inc

Publisher place

Piscataway

Published in
Ieee Transactions On Applied Superconductivity
Total of pages

4

Volume

22

Issue

3

Start page

4805304

Subjects

Cryogenics

•

data processing

•

superconducting cables

•

test facilities

•

testing

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CRPP  
SPC  
Event name
22nd International Conference on Magnet Technology (MT)
Available on Infoscience
February 27, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/89795
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