Abstract: The arrangement method of superconducting wires of a superconducting cable, includes: in a case where a refrigerator is installed at one of terminal structures provided on both sides of a superconducting cable, and a cooling fluid is passed through the superconducting cable by a pump for cooling, setting the numbers of superconducting wires of sections of the superconducting cable installed between the terminal structures on both the sides to be different depending to temperatures of the sections, wherein the numbers of superconducting wires are increased from the section of the superconducting cable having the lowest temperature to the section thereof having the highest temperature while maintaining a current-carrying capability.

Abstract: Provided is a superconducting cable device including: a first superconducting cable and a second superconducting cable; an intermediate connection box which connects the first and second superconducting cables to each other; and a cooling device which causes a coolant to flow inside the intermediate connection box in a lengthwise direction of the intermediate connection box, wherein a cable connection portion for connecting the first and second superconducting cables to each other is provided in the intermediate connection box. In an uncooled state, the cable connection portion is disposed to be eccentric from a center line in the lengthwise direction of the intermediate connection box in a direction in which the coolant flows.

Abstract: Provided is a superconducting cable device including: a first superconducting cable and a second superconducting cable; an intermediate connection box which connects the first and second superconducting cables to each other; and a cooling device which causes a coolant to flow inside the intermediate connection box in a lengthwise direction of the intermediate connection box, wherein a cable connection portion for connecting the first and second superconducting cables to each other is provided in the intermediate connection box. In an uncooled state, the cable connection portion is disposed to be eccentric from a center line in the lengthwise direction of the intermediate connection box in a direction in which the coolant flows.

Abstract: The arrangement method of superconducting wires of a superconducting cable, includes: in a case where a refrigerator is installed at one of terminal structures provided on both sides of a superconducting cable, and a cooling fluid is passed through the superconducting cable by a pump for cooling, setting the numbers of superconducting wires of sections of the superconducting cable installed between the terminal structures on both the sides to be different depending to temperatures of the sections, wherein the numbers of superconducting wires are increased from the section of the superconducting cable having the lowest temperature to the section thereof having the highest temperature while maintaining a current-carrying capability.

Abstract: Provided is a superconducting cable configured to improve superconductivity by increasing reflectivity of cryostats and enhancing cooling performance. The superconducting cable includes: a core provided with a conductor; and a cryostat surrounding a periphery of the core. A material of the cryostat is aluminum or an aluminum alloy and a surface roughness of the cryostat is 30 microns or less in terms of RMS value.