Ramp-rate limitation experiment using induced current method. Part 1: experimental results

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This paper describes a methodology of performing ramp-rate limitation experiments using only a background magnet without a power supply for the tested cable. Three-strand U-shape cable-in-conduit conductor (CICC) samples were prepared with various parameters, three different surface contact resistance conditions and two hybrid cables with a pure copper wire or a stainless steel wire. Samples showed distinctive ramp-rate limitation phenomena with very sharp and sensitive transition between no-quench and quench results. Multiple quench-recovery processes during the continuous magnetic field ramp were also observed due to fast recovery of the sample after quench. The induced strand-to-strand loop current is believed to play the most important role in a quench of CICC during the ramped field. (C) 2002 Elsevier Science Ltd. All rights reserved.
Publisher
ELSEVIER SCI LTD
Issue Date
2002-02
Language
English
Article Type
Article
Keywords

IN-CONDUIT CONDUCTORS; MULTISTRAND SUPERCONDUCTING CABLES; NONUNIFORM CURRENT DISTRIBUTION; CURRENT REDISTRIBUTION; STABILITY; MAGNET; OPERATION; STRANDS

Citation

CRYOGENICS, v.42, no.2, pp.79 - 87

ISSN
0011-2275
URI
http://hdl.handle.net/10203/84353
Appears in Collection
ME-Journal Papers(저널논문)
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