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

• 作 者: 曾武兵 丁永华 易斌 许航宇 饶波 张明 刘明海
• 机 构: State Key Laboratory of Advanced Electromagnetic Engineering and Technology,Huazhong University of S
• 出 处: Plasma Science and Technology
• 发表日期: 2014年11期
• 关键词: circulating scenarios perturbation thyristor converter resonant enrich desired s

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 phenomena 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 operation,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.

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 phenomena 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 operation, DRMP coils can be smoothly controlled without the dead-time when the current polarity reverses. Essential circuit analysis, control optimization and simulation of the desired scenarios have been performed for normal current. Revantvant simulation and test results are also presented.