R&D progress of high power ion source on EAST-NBI

Yahong XIE (谢亚红); Chundong HU (胡纯栋); Sheng LIU (刘胜); Yuanlai XIE (谢远来); Yongjian XU (许永建); Lizhen LIANG (梁立振); Caichao JIANG (蒋才超); Peng SHENG (盛鹏); YumingGU(顾玉明); Jun LI (李军); Zhimin LIU (刘智民)

doi:10.1088/2058-6272/aa8c6c

Plasma Science and Technology > 2018 > 20(1): 14023-014023. > DOI: 10.1088/2058-6272/aa8c6c

Yahong XIE (谢亚红), Chundong HU (胡纯栋), Sheng LIU (刘胜), Yuanlai XIE (谢远来), Yongjian XU (许永建), Lizhen LIANG (梁立振), Caichao JIANG (蒋才超), Peng SHENG (盛鹏), YumingGU(顾玉明), Jun LI (李军), Zhimin LIU (刘智民). R&D progress of high power ion source on EAST-NBI[J]. Plasma Science and Technology, 2018, 20(1): 14023-014023. DOI: 10.1088/2058-6272/aa8c6c

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R&D progress of high power ion source on EAST-NBI

Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China

Funds: This work is supported by National Natural Science Foundation of China (NNSFC) (Contract Nos. 11405207, 11507215 and 11675215).

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Abstract

Abstract

The neutral beam injector (NBI) system was designed and developed mainly for the plasma heating on the Experimental Advanced Superconducting Tokamak (EAST). The high power ion source is the key part of the NBI. A hot cathode ion source was used on the EAST-NBI. The ion source was conditioned on the ion source test bed with hydrogen gas and achieved the designed parameters. The deuterium gas was used when it moved to the EAST-NBI. The main performance of the ion source on EAST is presented in this paper. The highest beam power of 4.5 MW in NBI-1 and 2.75 MW in NBI-2 was achieved. The total neutral beam power is about 4.5 MW. The long pulse beam of 100 s is injected into the EAST plasma too.
- ion source,
- neutral beam injector,
- EAST toakmak

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