SUPERCONDUCTIVE CABLE

摘要

PROBLEM TO BE SOLVED: To provide a superconductive cable which can increase an electric transmission capacity of superconductor and can reduce cooling system. SOLUTION: In a superconductive cable 1 filled with refrigerants I.O at inside of a cable core 2, and there is used refrigerant in which an utility temperature change width of the refrigerant I filled in a former 3 is larger that of the refrigerant O filled in outside of a protection layer 7. More particularly, mixture of liquid oxygen and liquid nitrogen is used as the refrigerant I.