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Recent advances in long length Bi-2223 HTS multifilamentary composite wire development

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6 Author(s)
M. J. Minot ; American Supercond. Corp., Westborough, MA, USA ; D. Buczek ; J. J. Gannon ; P. K. Miles
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Developing applications for HTS technology are now enabled by a new generation of superconducting wires that bring together the required electrical and mechanical properties in long lengths that are durable when exposed to practical application environments. Advances in the development and scale-up of long-length Bi-2223 HTS composite wire are reviewed. Powder-in-tube processing was used to produce multifilamentary tapes in continuous lengths up to 1 kilometer. Electrical performance and uniformity results are reported for the wire in 300 meter and 1 kilometer lengths. Mechanical and environmental durability performance results are reported for multifilament wire tapes being developed for react-and-wind cable application as well as for wind-and-react coil and magnet applications. The use of these wires in practical demonstration applications is also reported.<>

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