Progress and status of the gyrotron development for the JT-60SA ECH/CD system

被引:0
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作者
Kobayashi, T. [1 ]
Sawahata, M. [1 ]
Terakado, M. [1 ]
Hiranai, S. [1 ]
Ikeda, R. [1 ]
Oda, Y. [1 ]
Wada, K. [1 ]
Hinata, J. [1 ]
Yokokura, K. [1 ]
Hoshino, K. [1 ]
Takahashi, K. [1 ]
Isayama, A. [1 ]
Moriyama, S. [1 ]
Sakamoto, K. [1 ]
机构
[1] Japan Atom Energy Agcy, Naka, Ibaraki 3110193, Japan
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
High-power, long-pulse operations of a gyrotron for JT-60SA (Super-Advanced) have been carried out at 110 GHz (1 MW/100 s) and 138 GHz (1 MW/100 s). These results fully satisfied the requirements of the electron cyclotron heating and current drive (ECH/CD) system in JT-60SA. It was experimentally shown that the higher power operation at each frequency is expected to be acceptable for this gyrotron from the viewpoint of heat load at the cavity resonator, collector, and stray radiation absorbers. An oscillation of 1 MW for 1 s at 82 GHz has been demonstrated as an additional frequency of the same gyrotron. Experiments toward 1.5 MW or higher at 110 GHz and 11.38GHz are ongoing.
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页数:3
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