Ion Source for HL-2A Nuetral Beam Injection

LEI Guang-Jiu; JIANG Shao-Feng; ZHONG Guang-Wu; CAO Jian-Yong; LU Da-Lun; ZOU Gui-Qing; LIU He; ZHANG Xian-Ming; JIANG Tao; YANG Ji-Fang; QIAN Jia-Mei; TANG Li-Xing; ZHOU Cai-Ping; MAO Wei-Cheng; LIU Yong

Chinese Physics C> 2008, Vol. 32> Issue(S1) : 271-273

Ion Source for HL-2A Nuetral Beam Injection

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Abstract：
An ion source for HL-2A Neutral Beam Injection (NBI) was operated successfully in March 2007, in Southwestern Institute of Physics. A bucket source type and three-grid-system are used in this new ion source design. The filament current of 1100A, filament voltage of 12V, arc current of 1050A, arc voltage of 120V, highest plasmas density of 2.5×10¹²/cm³, extracted ion beam density of 0.44A/cm², plasma density uniformity better than 5% in the area close to the first grid, duration of 2s, for this new source, have been achieved. The conceptual design, mechanical design and experiment result for the ion source are presented briefly in this paper.

References

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. The JET Team. JET-P(91)66, 19912. Stork D. Proc. 16th Symp. on Fusion Technology, London, 1990, 1: 1113. JIANG Shao-Feng et al. Conception Design of Ion Source with Ion Beam Energy of 60KeV, Ion Current of 55A and Duration of 2s, GF 2005(in Chinese)(姜韶风等. HL-2A 60keV. 55A. 2S离子源物理设计力案, 2005年GF报告)4. LEI Guang-Jiu et al. Design of Ion Source for HL-2A NBI, GF 20065. CAO Jian-Yong et al. Simulation of Magnetic Field Distribution of Ion Source for HL-2A Neutral Beam Injector, GF 2006(in Chinese)(曹建勇等. 离子源磁场计算2006年GF报告)6. LEI Guang-Jiu et al. Analysis of Filament Current Distribution of Ion Source for HL-2A Neutral Beam Injector, GF 2007(in Chinese)(雷光玖等. 大功率离子源灯丝馈电分析, 2007年GF报告)7. Dan M. Goebei Ion Source Discharge Performance and Stability Phys. Fluids, 1982, 25(6): 1093-11028. Yoshihide OKA, Tsutomu KURODA. The Effect of the Magnetic Field in the Behavior of Magnetic Multipole Discharge Janpese Journal of Applied Physics, 1993, 22(4): 688-694

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LEI Guang-Jiu, JIANG Shao-Feng, ZHONG Guang-Wu, CAO Jian-Yong, LU Da-Lun, ZOU Gui-Qing, LIU He, ZHANG Xian-Ming, JIANG Tao, YANG Ji-Fang, QIAN Jia-Mei, TANG Li-Xing, ZHOU Cai-Ping, MAO Wei-Cheng and LIU Yong. Ion Source for HL-2A Nuetral Beam Injection[J]. Chinese Physics C, 2008, 32(S1): 271-273.

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Received: 2008-01-11
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Ion Source for HL-2A Nuetral Beam Injection

Corresponding author: LEI Guang-Jiu,

Received Date: 2008-01-11

Accepted Date: 1900-01-01

Available Online: 2008-01-04

Abstract: An ion source for HL-2A Neutral Beam Injection (NBI) was operated successfully in March 2007, in Southwestern Institute of Physics. A bucket source type and three-grid-system are used in this new ion source design. The filament current of 1100A, filament voltage of 12V, arc current of 1050A, arc voltage of 120V, highest plasmas density of 2.5×10¹²/cm³, extracted ion beam density of 0.44A/cm², plasma density uniformity better than 5% in the area close to the first grid, duration of 2s, for this new source, have been achieved. The conceptual design, mechanical design and experiment result for the ion source are presented briefly in this paper.

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Ion Source for HL-2A Nuetral Beam Injection

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