Analyses and implications of V-I characteristic of PF insert conductor sample

R. Wesche, A. Anghel, P. Bruzzone, P. Gislon, L. Muzzi

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Two short lengths of the full-size NbTi cable-in-conduit (CIC) conductor used to fabricate the ITER poloidal field coil insert were tested in the SULTAN facility. The two investigated conductors, otherwise identical, are distinguished only by the presence and absence of the last stage subcable wraps. The voltage-current (V-I) characteristics and the quench behaviour of the conductors with and without subcable wraps are compared. The dc performance of the conductors is limited by the occurrence of sudden take-offs above ≈35 kA in the leg with wraps and above ≈45 kA in the leg without wraps. Hall probes used to study the current distribution indicate that the better performance of the conductor without subcable wraps is closely related to the lower transverse resistance providing a more efficient current redistribution. © 2005 Elsevier B.V. All rights rights reserved.
Original languageEnglish
Pages (from-to)229 - 233
Number of pages5
JournalFusion Engineering and Design
Issue numberSUPPL.
Publication statusPublished - Nov 2005


All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Civil and Structural Engineering
  • Mechanical Engineering

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