| 摘要 |
PROBLEM TO BE SOLVED: To provide a superconducting cable which can protect itself with certainty from short circuit current regardless of structural conditions such as material of wick and without lowering the superconducting characteristics of the superconductor. SOLUTION: A composite conducting layer 20 is formed by winding and laminating plural superconducting wires spirally around a wick 1. A composite shielding layer 40 is formed around the outer surface of the composite conducting layer 20, sandwiching an insulating layer 3 between the two layers, by winding and laminating superconducting wires spirally. In such superconducting cable, stabilizing metal layers 10 are provided on the upper and lower layer of the superconducting layer 9 of the composite conducting layer 20. The laminated superconducting layer 9 and the stabilizing metal layers 10 are connected by soldering at both ends of the cable.
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