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  4. Conductor Performance of CCCN3, CCCN4 and CCCN5 Samples for ITER CC Coils
 
research article

Conductor Performance of CCCN3, CCCN4 and CCCN5 Samples for ITER CC Coils

Liu, Bo
•
Wu, Yu
•
Qin, Jing-Gang
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2016
IEEE Transactions on Applied Superconductivity

The conductor for the ITER Correction Coils (CC) is manufactured in China and is tested in the SULTAN facility. The third China CC conductor for the qualification SULTAN test sample (CCCN3) was prepared from a 200 m long CC conductor unit length (Phase II). The fourth and fifth China CC conductor samples for SULTAN testing (CCCN4 and CCCN5) were prepared from the 576 m long production unit lengths (Phase III). The current sharing temperature (Tcs) test results show that the sections of CCCN3, CCCN4 and CCCN5 have high Tcs performance. Using the electrical method, the Tcs was 7.13 K for CCCN3, 7.10 K for CCCN4 and 7.09 K for CCCN5 at the ITER reference test conditions, i.e. at Bsultan = 3.7 T and current equal to 10 kA (Bpeak = 4.0 T). Even after the 2000 electromagnetic load cycles for CCCN3 conductor and 1000 electromagnetic load cycles for CCCN4 and CCCN5, the Tcs performance of all samples did not changed appreciably. Based on the CC conductor sample test results at 10 kA and at different fields, the Tcs was extrapolated to the peak field Bpeak= 4.1 T and current equal to 10 kA. The extrapolated Tcs is 7.07 K for CCCN3, 7.05 K for CCCN4 and 7.03 K for CCCN5. The Tcs performance for all conductors is higher than the ITER acceptance criteria of 7.00 K.

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Type
research article
DOI
10.1109/TASC.2016.2535660
Web of Science ID

WOS:000373115700001

Author(s)
Liu, Bo
Wu, Yu
Qin, Jing-Gang
Devred, Arnaud
Bruzzone, Pierluigi
Stepanov, Boris
Sedlak, Kamil
Long, Feng
Liu, Hua-Jun
Liu, Fang
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Date Issued

2016

Publisher

IEEE Institute of Electrical and Electronics Engineers

Published in
IEEE Transactions on Applied Superconductivity
Volume

26

Issue

4

Article Number

4802204

Subjects

Conductor ITER sample CCCN4 CCCN5 CCCN3 electromagnetic

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SPC  
Available on Infoscience
March 9, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/124752
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