New Current Control Method of DC Power Supply for Magnetic Perturbation Coils on J-TEXT

ZENG Wubing(曾武兵); DING Yonghua(丁永华); YI Bin(易斌); XU Hangyu(许航宇); RAO Bo(饶波); ZHANG Ming(张明); LIU Minghai(刘明海)

doi:10.1088/1009-0630/16/11/14

Plasma Science and Technology > 2014 > 16(11): 1074-1078. > DOI: 10.1088/1009-0630/16/11/14

ZENG Wubing(曾武兵), DING Yonghua(丁永华), YI Bin(易斌), XU Hangyu(许航宇), RAO Bo(饶波), ZHANG Ming(张明), LIU Minghai(刘明海). New Current Control Method of DC Power Supply for Magnetic Perturbation Coils on J-TEXT[J]. Plasma Science and Technology, 2014, 16(11): 1074-1078. DOI: 10.1088/1009-0630/16/11/14

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New Current Control Method of DC Power Supply for Magnetic Perturbation Coils on J-TEXT

State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

Funds: supported by the National ITER Project Foundation of China (No. 2014GB118000) and National Natural Science Foundation of China (No. 11275080)

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Received Date: September 15, 2013

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Abstract

Abstract

In order to advance the research on suppressing tearing modes and driving plasma rotation, a DC power supply (PS) system has been developed for dynamic resonant magnetic perturbation (DRMP) coils and applied in the J-TEXT experiment. To enrich experimental phe- nomena in the J-TEXT tokamak, applying the circulating current four-quadrant operation mode in the DRMP DC PS system is proposed. By using the circulating current four-quadrant oper- ation, DRMP coils can be smoothly controlled without the dead-time when the current polarity reverses. Essential circuit analysis, control optimization and simulation of desired scenarios have been performed for normal current. Relevant simulation and test results are also presented.
- DRMP,
- power supply (PS),
- J-TEXT,
- four-quadrant operation

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References (12)

References

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