Abstract
A high cryogenic stability suprconducting bus-line has been developed to connect a superconducting dipole magnet with a full length of 13 m to a current lead approximately 2 meters from the magnet. The superconducting bus-line is made of NbTi strand cables for magnet use soldered to copper braid. The copper braid has a large surface area to improve cooling efficiency and increase cryogenic stability. Three kinds of bus-line are prepared on experimental basis: a bare superconducting cable, a superconducting cable joined copper braid with a thin layer of solder, and one made by filling the inside of copper braid with solder. Cryogenic stability tests confirmed that a bus-line equipped with a copper braid provides twice the cryogenic stability as a bare superconducting cable.
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References
A. A. Olyunin et al. “Study of Quench Processes in Copper-Stabilized Superconducting Cables”, Proceedings of ICFA Workshop on AC Superconductivity, 1992, p93
W. Clay et al, “Design of A Thermal Expansion Joint for The SSC Magnet Leads”, Supercollider 3, 1991, p1045
M. Wilson, “Superconducting Magnets”, Clarendon Press Oxford, 1983, p205
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© 1996 Plenum Press, New York
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Doi, M. et al. (1996). Test of Copper-Braid-Stabilized Bus Lines for Superconducting Dipole Magnets. In: Kittel, P. (eds) Advances in Cryogenic Engineering. A Cryogenic Engineering Conference Publication, vol 41. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0373-2_81
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DOI: https://doi.org/10.1007/978-1-4613-0373-2_81
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-8022-1
Online ISBN: 978-1-4613-0373-2
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