DocumentCode :
1313989
Title :
Stability under transverse field pulse of the Nb/sub 3/Sn ITER cable-in-conduit conductor
Author :
Bruzzone, P.
Author_Institution :
CRPP, Villigen, Switzerland
Volume :
10
Issue :
1
fYear :
2000
fDate :
3/1/2000 12:00:00 AM
Firstpage :
1062
Lastpage :
1065
Abstract :
A section of the ITER (International Thermonuclear Experimental Reactor) conductor, left from the winding of the Central Solenoid Model Coil, was tested for stability under pulsed transverse field in the SULTAN facility, at background field up to 11 T and dc current up to 100 kA. The test was repeated at a broad range of operating temperature and for different current distribution in the strand bundle. The ability to withstand transverse field transients is compared with the predicted energy margin. For large current unbalance, the degradation of transient stability is well correlated with the decrease of quench temperature in dc mode. The crucial role of the current sharing among subcables for the stability of the cable-in-conduit conductors is assessed for short samples as well as for the ITER coils. Basic recommendations are drawn for the improvement of the conductor design.
Keywords :
fusion reactor design; niobium alloys; superconducting cables; superconducting coils; tin alloys; 100 kA; 11 T; Central Solenoid Model Coil; Nb/sub 3/Sn; Nb/sub 3/Sn ITER cable-in-conduit conductor; SULTAN facility; current unbalance; quench temperature; stability; transverse field pulse; Coils; Conductors; Current distribution; Degradation; Inductors; Niobium; Solenoids; Temperature distribution; Testing; Thermal stability;
fLanguage :
English
Journal_Title :
Applied Superconductivity, IEEE Transactions on
Publisher :
ieee
ISSN :
1051-8223
Type :
jour
DOI :
10.1109/77.828415
Filename :
828415
Link To Document :
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