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HUANG Haihong(黄海宏), YAN Teng(晏腾), WANG Haixin(王海欣). Application of a Current and Voltage Mixed Control Mode for the New Fast Control Power Supply at EAST[J]. Plasma Science and Technology, 2014, 16(4): 420-423. DOI: 10.1088/1009-0630/16/4/22
Citation: HUANG Haihong(黄海宏), YAN Teng(晏腾), WANG Haixin(王海欣). Application of a Current and Voltage Mixed Control Mode for the New Fast Control Power Supply at EAST[J]. Plasma Science and Technology, 2014, 16(4): 420-423. DOI: 10.1088/1009-0630/16/4/22

Application of a Current and Voltage Mixed Control Mode for the New Fast Control Power Supply at EAST

Funds: supported by ITER Program of China (973 Program) (No. 2011GB109002) and National Natural Science Foundation of China (No. 11275056) and Hefei University of Technology Doctor Research Foundation of China (No. 2011HGBZ1292)
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  • Received Date: February 25, 2013
  • A feedback control system is needed to restrain plasma vertical displacement in EAST (Experimental Advanced Superconducting Tokamak). A fast control power supply excites active feedback coils, which produces a magnetic field to control the plasma’s displacement. With the development of EAST, new demands on the new fast control power supply have led to an enhanced ability of fast response and output current, as well as a new control mode. The structure of cascaded and paralleled H-bridges can meet the demand of extended capacity, and digital control can realize current and voltage mixed control mode. The validity of the proposed scheme is confirmed by experiments.
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