The Experiment of Modulated Toroidal Current on HT-7 and HT-6M Tokamak
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文摘
The Experiments of Modulated Toroidal Current were done on the HT-6M tokamak and HT-7 Superconducting Tokamak. The toroidal current was modulated by programming the Ohmic heating field. Modulation of the plasma current has been used successfully to suppress MHD activity in discharges near the density limit where large MHD m=2 tearing modes were suppressed by sufficiently large plasma current oscillations. The improved Ohmic confinement phase was observed during modulating toroidal current (MTC) on the Hefei Tokamak-6M (HT-6M) and Hefei superconducting Tokamak-7 (HT-7). A toroidal frequency-modulated current, induced by a modulated loop voltage, was added on the plasma equilibrium current. The ratio of A.C. amplitude of plasma current to the main plasma current Ip/Ip is about 12%-30%. The different formats of the frequency-modulated toroidal current were compared.
来源
Plasma Science & Technology
,2003,5(1):1641-1650 【核心库】
DOI
10.1088/1009-0630/5/1/008
关键词
modulated toroicdal current
;
superconducting tokamak
地址
1.
Institute of plasma Physics, Chinese Academy of Sciences, Hefei, 230031
2.
Fusion Research Center, C1510 University of Texas at Austin, TX 78712, USA
语种
英文
文献类型
研究性论文
ISSN
1009-0630
学科
物理学
基金
国家自然科学基金
文献收藏号
CSCD:1270279
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