Dowa Electronics Materials Co., Ltd.

Dowa Mining Co., Ltd.

Chubu Electric Power Company, Inc.

Dowa F-Tec Co., Ltd.

Kazuyuki Uemura

Shigeo Nagaya

Naoji Kashima

Shuichi Kohayashi

Tomoya Yamada

Satoru Tsuboi

Yasunobu Mishima

Takuyuki Baba

An oxide superconductor current lead in which generation of Joule heat at joint portions with a system side conductor and a power supply side conductor is reduced with use of an oxide superconductor with less heat penetration into a super conducting equipment system is provided. A columnar oxide superconductor molten bodies (interelectrode superconductor, in-electrode superconductorsand) are produced, the in-electrode superconductorand a left end portion of the interelectrode superconductorare placed into a power supply side metallic electrode, and the in-electrode superconductorand a right end portion of the interelectrode superconductorare similarly placed in a system side metallic electrode, then degassed joining metal is used to join them to form an oxide superconductor current lead, a power supply side conductorfrom a power supply is joined to the power supply side metallic electrode, and a system side conductorfrom a superconducting system side is joined to the system side metallic electrodewith use of respective clampsand

Oxide superconductor current lead and method of manufacturing the same, and superconducting system

A composite conductor suitable as a connecting conductor that includes a superconductor and is capable of reducing the generation of Joule heat in a joint part between the system side and power-supply sides of a superconductor apparatus. A composite conductorincludes a superconductorprovided continuously in the flowing direction of the electric current, and a metal conductorjoined with the superconductorand provided at least at a joint part with mating conductorsto be joined, wherein the electric current is fed and received between the metal conductorand the mating conductorsby joining the metal conductorand the mating conductorsand wherein the superconductoris arranged in the metal conductorso as to be approximately parallel to the joint surface (joint interface) between the metal conductorand the mating conductors

Composite conductor, superconductive apparatus system, and composite conductor manufacturing method

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Tokyo, Japan

Kazuyuki Uemura