SUPERCONDUCTIVE CABLE WIRE Russian patent published in 1997 - IPC

FIELD: electrical engineering. SUBSTANCE: proposed flexible oxide superconductive cable wire showing less losses with alternating current is composed of belt-shaped multiconductor superconductive wires. Each wire has certain number of cores composed of oxide superconductor and coated with stabilizing metal applied on frame along spiral. Superconductive wires are applied on frame with bending tension not higher than 3.0%. While applied on frame specified number of multiconductor superconductive wires are wound on core closely one to another to form first layer. Then insulation layer is laid on first layer. Insulation layer may be formed by insulating tape. Specified number of belt-shaped superconductive multiconductor wires is put on insulation layer one adjacent to another to form second layer. Insulation layer is capable of reduction of A.C. losses. If frame is composed of metal basically than it will be preferable to lay insulation layer between frame and multiconductor superconductive wires. EFFECT: diminished AC losses. 18 cl, 15 dwg , 2 tbl