Journal
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume 23, Issue 3, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASC.2013.2239696
Keywords
Fault current limiters (FCLs); high-temperature superconductors (HTS); normal zone propagation (NZP); superconductor quench
Funding
- Natural Sciences and Engineering Council of Canada (NSERC)
- Fonds de recherche du Quebec - Nature et technologies (FRQNT)
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A fast normal zone propagation velocity (NZPV) in second-generation (2G) high-temperature superconductor (HTS) coated conductors (CC) is desirable in order to prevent the appearance of destructive hot spots upon a local quench. It was predicted theoretically that an increase of the interfacial resistance between the superconductor and the stabilizer would enhance the NZPV of 2G HTS CC due to the longer current transfer length between the superconductor and the stabilizer. In this paper, the dependence on current amplitude of the NZPV of 2G HTS CC having different interfacial resistances was measured experimentally. Our results indicate that the NZPV is enhanced by two orders of magnitude when the interfacial resistance is increased by three orders of magnitude.
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