Se.C.R.E.T.S.: A stability experiment on the role of segregated copper in Nb sub(3)Sn cable-in-conduit conductors

In Se.C.R.E.T.S. (Segregated Copper Ratio Experiments on Transient Stability), the stability performance under transverse field transient is compared for two Nb sub(3)Sn cable-in-conduit conductors which differ only because of the different distribution of the stabilizing copper, either included in...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2000-01, Vol.10 (1), p.1082-1085
Main Authors: Bruzzone, Pierluigi, Vecsey, Georg, Shikov, Alexander, Pantsyrny, Victor, Sytnikov, Victor, Oswald, Bernhard, Strasser, Thorsten, Nijhuis, Arend, Noordman, Niels
Format: Article
Language:English
Subjects:
Conductors
Copper
Cross sections
Extrapolation
Stability
Strands
Superconductivity
Wire
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Summary:In Se.C.R.E.T.S. (Segregated Copper Ratio Experiments on Transient Stability), the stability performance under transverse field transient is compared for two Nb sub(3)Sn cable-in-conduit conductors which differ only because of the different distribution of the stabilizing copper, either included in the Nb sub(3)Sn strand cross section or segregated as bundled copper wires. If the segregated copper is found to be effective for stability purposes, the copper fraction in the Nb sub(3)Sn strands can be substantially reduced, with dramatic cost advantage for the high field fusion magnets. The experiment is assembled in the SULTAN facility at CRPP, with 11 T background field and superimposed transverse pulsed field to generate the transient disturbance. The layout of the conductor, the winding sample and the assembly procedure are described. The instrumentation and the test program are planned to provide results to be easily extrapolated to the ITER conductors.
ISSN:1051-8223
DOI:10.1109/77.828420