Development of Superconducting Magnet for Fusion Power
This paper describes firstly the present status of fusion plasma and secondary necessity of superconducting magnet for fusion reactor. As further explanation, basic technologies, which are indispensable for superconducting magnet are listed up and the present status of each technology is described. A superconducting magnet system for fusion experimental reactor is large and heavy compared with those for other application. Therefore, logical step of scaling-up in the technology is required. The project work for tokamak machine is mainly divided into three major components : toroidal coil program, poloidal coil program and refrigerator program. The present development status of these components are explained. On the other hand, medium size superconducting tokamaks for plasma experiment already constructed or under construction are described. Finally, future perspective on magnet development is written.
KeywordsInternational Thermonuclear Experimental Reactor Coil System Japan Atomic Energy Research Institute Vacuum Tank Magnet Development
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