Normal zone propagation in various REBCO tape architectures

The normal zone propagation velocity (NZPV) of three families of REBCO tape architectures designed for superconducting fault current limiters and to be used in high voltage direct current transmission systems has been measured experimentally in liquid nitrogen at atmospheric pressure. The measured N...

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Bibliographic Details
Published in:Superconductor science & technology 2022-05, Vol.35 (5), p.55009
Main Authors: Lacroix, Christian, Giguère, Jaël, Bergeron Hartman, Simon-Mathieu, Ben Saad, Haïfa, Martin, Anthony, Leduc, Thomas, Gendron-Paul, Maxime, Bellil, Zakaria, Fournier-Lupien, Jean-Hughes, Moret, Lucile, Barusco, Pedro, Granados, Xavier, Obradors, Xavier, Pekarčiková, Marcela, Gömöry, Fedor, Grosse, Veit, Bauer, Markus, Sirois, Frédéric
Format: Article
Language:English
Subjects:
normal zone propagation velocity
quench
REBCO tape
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Summary:The normal zone propagation velocity (NZPV) of three families of REBCO tape architectures designed for superconducting fault current limiters and to be used in high voltage direct current transmission systems has been measured experimentally in liquid nitrogen at atmospheric pressure. The measured NZPVs span more than three orders of magnitude depending on the tape architectures. Numerical simulations based on finite elements allow us to reproduce the experiments well. The dynamic current transfer length (CTL) extracted from the numerical simulations was found to be the dominating characteristic length determining the NZPV instead of the thermal diffusion length. We therefore propose a simple analytical model, whose key parameters are the dynamic CTL, the heat capacity and the resistive losses in the metallic layers, to calculate the NZPV.
ISSN:0953-2048
1361-6668
DOI:10.1088/1361-6668/ac56ff