Superconducting cable and superconducting cable line

H - Electricity – 01 – B

Patent

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H01B 12/02 (2006.01) H01B 12/00 (2006.01) H01B 13/00 (2006.01)

Patent

CA 2439947

A superconducting cable includes a first conductor layer formed of superconducting wires, anal an insulating layer formed at the outer periphery of the first conductor layer. The first conductor layer is an assembly of a plurality of superconducting wires obtained by forming an RE based superconductor layer on a metal substrate. The current is limited by an electrical resistance generated when the current of the first conductor layer exceeds the critical current, thereby preventing the superconducting cable from being damaged. A superconducting cable line is formed of a base and a current limiter, which is formed by using the above-described superconducting cable. Accordingly, when a current exceeding the rated current of the base flows, it can be damped.

L'invention concerne un câble supraconducteur comprenant une première couche conductrice constituée d'un fil supraconducteur, ainsi qu'une couche isolante formée à l'extérieur de la première couche conductrice. Cette première couche conductrice est constituée d'un ensemble de fils supraconducteurs déposés sous forme de film sur un substrat métallique à partir d'une couche supraconductrice à base de Re. Le courant est limité par production d'une résistance lorsque le courant de la première couche conductrice excède une valeur de courant critique et un endommagement du câble supraconducteur est évité. L'invention concerne en outre une ligne en câble supraconducteur, constituée d'une section de base et d'une section de limitation du courant comprenant ce câble supraconducteur, cette ligne permettant d'obtenir une diminution du courant lorsque le courant qui circule est supérieur au courant nominal de la section de base.

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