Archivio Istituzionale della RicercaA short sample of the NbTi cable-in-conduit conductor (CICC) manufactured for the ITER PF insert coil has been tested in the SULTAN facility at CRPP. The short sample consists of two paired conductor sections, identical except for the sub-cable and outer wraps, which have been removed from one of the sections before jacketing. The test program for conductor and joint includes DC performance, cyclic load and AC loss, with a large number of voltage taps and Hall sensors for current distribution. At high operating current, the DC behavior is well below expectations, with temperature margin lower than specified in the ITER design criteria. The conductor without wraps has higher tolerance to current unbalance. The joint resistance is by far higher than targeted.
Test Results of the ITER PF Insert Conductor Short Sample in SULTAN / Bruzzone, P.; Bagnasco, M.; Bessette, D.; Ciazynski, D.; Formisano, A.; Gislon, P.; Hurd, F.; Ilyin, Y.; Martone, R.; Martovetsky, N.; Muzzi, L.; Nijhuis, A.; Rajainmaki, H.; Sborchia, C.; Stepanov, B.; Verdini, L.; Wesche, R.; Zani, L.; Zanino, Roberto; Zapretilina, E.. - In: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY. - ISSN 1051-8223. - 15:(2005), pp. 1351-1354.
Test Results of the ITER PF Insert Conductor Short Sample in SULTAN
ZANINO, Roberto;
2005
Abstract
A short sample of the NbTi cable-in-conduit conductor (CICC) manufactured for the ITER PF insert coil has been tested in the SULTAN facility at CRPP. The short sample consists of two paired conductor sections, identical except for the sub-cable and outer wraps, which have been removed from one of the sections before jacketing. The test program for conductor and joint includes DC performance, cyclic load and AC loss, with a large number of voltage taps and Hall sensors for current distribution. At high operating current, the DC behavior is well below expectations, with temperature margin lower than specified in the ITER design criteria. The conductor without wraps has higher tolerance to current unbalance. The joint resistance is by far higher than targeted.
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https://hdl.handle.net/11583/1407306
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