Chin. Phys. Lett.  2002, Vol. 19 Issue (2): 220-223    DOI:
Original Articles |
Dynamic Stabilization by Modulated Toroidal Current on the HT-7 Superconducting Tokamak
MAO Jian-Shan;LUO Jia-Rong;ZHAO Jun-Yu;ZHANG Xian-Mei;JIE Yin-Xian;GAO Xiang;ZHANG Shou-Yin;LI Jian-Gang
Institute of Plasma Physics, Chinese Academy of Sciences, P.O. Box 1126, Hefei 230031
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MAO Jian-Shan, LUO Jia-Rong, ZHAO Jun-Yu et al  2002 Chin. Phys. Lett. 19 220-223
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Abstract The technique of toroidal current modulation has been successfully used in suppressing magnetohydrodynamic (MHD) perturbations effectively on HT-7 superconducting tokamak. When the ratio of amplitude of plasma modulated current ΔIp versus the equilibrium plasma current Ip0 is about 12-30%, the resonance surface is moved outside the island width, the suppression of MHD perturbations is observed. The disruption induced by tearing mode instability is delayed or avoided. Different formats of frequency modulated are compared.
Keywords: 52.35.-g      52.35.Py      52.30.Jb     
Published: 01 February 2002
PACS:  52.35.-g (Waves, oscillations, and instabilities in plasmas and intense beams)  
  52.35.Py (Macroinstabilities (hydromagnetic, e.g., kink, fire-hose, mirror, ballooning, tearing, trapped-particle, flute, Rayleigh-Taylor, etc.))  
  52.30.Jb  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2002/V19/I2/0220
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MAO Jian-Shan
LUO Jia-Rong
ZHAO Jun-Yu
ZHANG Xian-Mei
JIE Yin-Xian
GAO Xiang
ZHANG Shou-Yin
LI Jian-Gang
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