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The technology of the development of the fuse of the current that superconducting the high temperature of our country is large acquires important progress.

It is examined that the research and the development of the fuse of the current that it uses for the nuclear fusion of thermonuclear of the top of the human race who does and superconducting the high temperature of heap ITER is large acquire important progress on December 19. The science researcher in the plasma place at a scientific research academy of the material of the combination manure of Chinese Academy of Science acquires through the result of the current of 90,000 amperes (Pass) while the fuse of the current that superconducting the high temperature is large examines it, and this is the highest record that each country of the present world acquires. It is declared to have already stepped forward important parts and these of a prototype of piece first after the fuse of the current used for this examination becomes it though signed by mutual agreement of ITER size to one essential step in the district where our country executes the ITER plan well.

ITER examines what about the fuse system of the current of superconducting the heap is talking for superconducting to present the line system again. There is a coil of the magnetic substance of superconducting a large scale in the ITER host computer, and it is cold and supplies the control of the reaching measurement system etc. measuring the low temperature system and the power supply system of the diagnosis and supplies the electric power to straightening though can come to give birth to a steady magnetic field and to restrict plasma. Things except the host computer, and superconducting should install the transmission line system of one independent magnetic substance, and, in a word, does the transmission achievement of the so on of the signal of the presentation of the line system, the connection to the coil and each child system of the magnetic substance, cooling of a systematic current and the low temperature of the magnetic substance, and data therefore far from the comparison the offering. Whether is it indispensable, important, systematic one (ITER and the nuclear reactor of the nuclear fusion in the future), and can the quality of the processing and manufacturing be normally operated by influencing the magnetic substance of the host computer of ITER directly in the future or not?

It participates in the distinction stocked with the package between countries by ITER respectively, and China undertakes superconducting that is single and is all ITER and presents a systematic design and manufacturing the line. Because it is related to a vacuum, a low temperature, and a multiple subject of the insulation of the high pressure etc. again only because these systems are not related to superconducting the low temperature and superconducting the high temperature, and sets up one of the parts of the point where ka mark of superconducting is essential, the height of the demand is designed, and the difficulty of manufacturing is large.

Superconducting that pulls the line type of a very large 45 ..of ..ITER demand.. A..-current of 68,000 amperes presents the line system. A large amount of was formally started, superconducting the transmission line of superconducting connected before production melted a fuse of the current that superconducting the high temperature against essential parts is large and an essential technology the science researcher in the plasma place, insulation etc. developed the design, the research, development, and the quality attestation, and it was developed to optimize it. They are acquire the result of 90,000 amperes, and the best records of the present world in the examination on December 19. The line system was presented to superconducting ITER before, and the organization of the scientific inquiry that was the relation between Japan and Germany researched and developed the fuse of the current of superconducting the high temperature of 60,000 amperes and 80,000 amperes respectively before.

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