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Performance summary of a 4,000 a high temperature superconducting cable conductor prototype

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5 Author(s)
Gannon, J.J., Jr. ; American Supercond. Corp., Westborough, MA, USA ; Minot, M.J. ; Buczek, D. ; Vellego, G.
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Multifilamentary superconducting Bi-2223 tapes made with a powder-in-tube process have been used to assemble multistrand, multilayer cable conductor prototypes. The electrical performance of these conductors has been evaluated at 77 K in self-field with DC and AC transport currents. Results show that these conductor prototypes, carrying up to 4,200 A DC, approach the 2,000 A AC operation threshold required for the commercial application of HTS power transmission cables. Combined with recent improvements in tape mechanical performance, stability, and long-length manufacturability, these results show the potential for use of HTS tapes in power transmission cables.<>

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:5 ,  Issue: 2 )