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Steady state analysis of non-uniform current distributions in cable-in-conduit conductors and comparison with experimental data.

Author(s) : MITCHELL N.

Type of article: Article

Summary

An analytical procedure has been developed to model both the current distribution in a cable consisting of many superconducting strands with resistive electrical contact between them and non-uniform contacts to the current supply at the ends. The procedure allows "steady state" current operating limits to be determined for the cables assuming a distribution of strand contact resistances at the joints. Using the extensive database of operating limits that is now available on short 4/h-m conductor samples of 40-50 kA multistage cables using Nb3Sn and NbTi strands developed for fusion applications, characteristic distributions of joint contact resistance have been derived for various joint concepts.

Details

  • Original title: Steady state analysis of non-uniform current distributions in cable-in-conduit conductors and comparison with experimental data.
  • Record ID : 2001-2627
  • Languages: English
  • Source: Cryogenics - vol. 40 - n. 2
  • Publication date: 2000

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