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ZHU Zhe (朱哲), ZHU Yinfeng (朱银锋), HUANG Ronglin (黄荣林), FU Peng (傅鹏), DING Yixiao(丁逸骁). Study on the Current-sharing Control System of the TF Power Supply for a Superconducting Tokamak[J]. Plasma Science and Technology, 2012, 14(10): 941-946. DOI: 10.1088/1009-0630/14/10/16
Citation: ZHU Zhe (朱哲), ZHU Yinfeng (朱银锋), HUANG Ronglin (黄荣林), FU Peng (傅鹏), DING Yixiao(丁逸骁). Study on the Current-sharing Control System of the TF Power Supply for a Superconducting Tokamak[J]. Plasma Science and Technology, 2012, 14(10): 941-946. DOI: 10.1088/1009-0630/14/10/16
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Study on the Current-sharing Control System of the TF Power Supply for a Superconducting Tokamak

  • 1 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China 3 School of Mechanical and Electrical Engineering, Anhui University of Architecture, Hefei 230601, China

Funds: Supportted by the National Basic Research Program of China (973 Program)(No.2007ID200)
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  • Received Date: July 17, 2011
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    • Abstract
  • The superconducting toroidal field (TF) plays an important role in a superconducting tokamak, whose power supply was developed based on the feedback control principle. In this paper, superconducting tokamaks in different countries are described, and the TF power supply of the International Thermonuclear Experimental Reactor (ITER) is taken as an example to study the current-sharing characteristics in the current-stabilized stage. Firstly, the mathematical model of the TF power supply is established, and then the 3-loop control method is put forward for achieving the stability and reliability of current-stabilization and current-sharing. Furthermore, further studies indicate that the current-sharing controller has no influence on the current-stabilized control, and current-stabilizing and current-sharing can be realized at the same time. All the work done provides valuable references for the current-sharing design of the TF power supply for a superconducting tokamak, and all these studies lay a solid foundation for developing superconducting tokamaks.
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