Superconducting cable and superconducting cable line using...

Electricity: conductors and insulators – Conduits – cables or conductors – Superconductors

Reexamination Certificate

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C029S599000, C505S230000

Reexamination Certificate

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07151225

ABSTRACT:
Provided is a superconducting cable having a structure such that cable cores, each having a superconducting layer, are housed in a thermal insulation pipe and the superconducting layer of each cable core has portions having different critical current values. When an excessive current flows in the superconducting layer in case of a short-circuit failure, the current exceeds the critical current value of the portion having a smaller critical current value first, which results in damage to the portion, suppressing the occurrence of damage to the other normal portion. A superconducting cable line using this superconducting cable and a splitter for accommodating the cable cores therein is also provided.

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T. Masuda et al., “Development of a 66-kV 3-Core HTSC Cable,” SEI Technical Review 159, (Sep. 2001), pp. 129-134.
Patent Abstracts of Japan, vol. 016, No. 058 (p-1311), Feb. 13, 1992 (abstract only), Furukawa Eleric Co Ltd, Publication #03255981 Publication date : Nov. 14, 1991.

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