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Development of a forced-cooled superconducting coil with high average current density (DPC-TJ)

Conference · · IEEE Trans. Magn.; (United States)
OSTI ID:5918659
A forced-cooled superconducting coil (DPC-TJ) using a double walled cable-in-conduit, so called Preformed Armor Type CICC, is currently developed. The DPC-TJ is an advanced coil with high average current density of 40 A/mm/sup 2/, large operating current of 24 kA and high field of 12T. The DPC-TJ coil has several advantages such as mechanical rigidity, negligible degradation of critical current, sound electrical insulation and excellent winding tolerance, compared with a conventional forced-cooled coil. The development of the superconducting strand with an aim of improving the critical current density and resistivity was performed. The Nb tube processed (NbTi) Sn strand fulfills the requirement that the critical current density is more than 600 A/mm/sup 2/ at 12T and RRR is higher than 50. The DPC-TJ is now being fabricated at Toshiba Corporation and will be tested in the DPC facility at the Japan Atomic Energy Research Institute.
Research Organization:
9309100; 9310420
OSTI ID:
5918659
Report Number(s):
CONF-880812-
Conference Information:
Journal Name: IEEE Trans. Magn.; (United States) Journal Volume: 25:2
Country of Publication:
United States
Language:
English

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