Integrated tape

H - Electricity – 01 – B

Patent

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Details

H01B 12/10 (2006.01) H01B 13/00 (2006.01) H01L 39/02 (2006.01) H01L 39/14 (2006.01)

Patent

CA 2323794

Production of a superconducting tape of the powder-in-tube type comprising multiple filaments (1) of superconducting material embedded in a silver matrix (2) having the properties of a filament thickness of less than about 40 µm and an overall tape thickness in the range from about 0.45 mm to 1.20 mm. A superconducting power cable including a tubular copper former (3) defining a cooling duct (4) about which superconducting tape is helically laid in two layers of either the same or opposite hand. The cable further includes thermal insulation (5), an electrical screen (6), electrical insulation (7), a further electrical screen (8) and containment (9).

L'invention se rapporte à la fabrication d'une bande supraconductrice du type "poudre en tube" qui comprend des filaments multiples (1), noyés dans une matrice d'argent (2), d'un matériau supraconducteur possédant des propriétés d'épaisseur de filaments inférieure à 40 µm et d'épaisseur totale de la bande inférieure comprise entre 0,45 mm et 1,20 mm. Un câble d'alimentation supraconducteur comprend un formeur tubulaire en cuivre (3) qui délimite une conduite de refroidissement (4) autour de laquelle la bande supraconductrice est disposée de manière hélicoïdale en deux couches, enroulées dans la même direction ou dans des directions opposées. Le câble comprend également une isolation thermique (5), un blindage électrique (6), une isolation électrique (7), un autre blindage électrique (8) et une enceinte (9).

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