M. Nishi, H. Nakajima, T. Ando, T. Hiyama, Y. Takahashi, K. Okuno, K. Yoshida, T. Kato, K. Kawano, T. Isono, M. Sugimoto, N. Koizumi, K. Hamada, T. Sasaki, K. Imahashi, S. Iwamoto, H. Ebisu, T. Ouchi, K. Ohtsu, J. Okayama, M. Oshikiri, T. Kawasaki, S. Seki, S. Sekiguchi, T. Takahashi, Y. Takaya, F. Tajiri, H. Tsukamoto, H. Hanawa, F. Hosono, A. Miyake, Y. Yasukawa, K. Yamamoto, H. Wakabayashi, Y. Wadayama, H. Tsuji
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引用次数: 1
摘要
作为核聚变用超导线圈研制计划中的高场脉冲极向试验线圈，采用10 kA Nb/sub - 3/Sn管内强制冷却导线绕制了内径为1 m的超导线圈DPC-EX，并对其各项性能进行了研究。在第二次试验中，详细研究了缓变速率限制现象，即线圈在猝灭时电流对电流缓变速率的依赖关系，获得了许多大脉冲线圈设计的重要数据。
Ramp-rate limitation test results of the Nb/sub 3/Sn Demo Poloidal Coil (DPC-EX)
As a high-field pulse-poloidal test coil in the development program of superconducting coils for fusion machines, a 1 m-inner diameter superconducting coil named DPC-EX wound with 10 kA Nb/sub 3/Sn cable-in-conduit forced-cooled conductor was fabricated and its various performances were investigated. In its second test, the ramp-rate limitation phenomenon, i.e. the dependence of the coil current at quench on the current ramp speed, was studied in detail and a lot of important data for the design of large pulse coils were achieved.
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