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Zhongma WANG (王重马), Peng FU(傅鹏), Liansheng HUANG (黄连生), Zhiquan SONG (宋执权), Xiuqing ZHANG (张秀青), Tianbai DENG (邓天白), Tao CHEN (陈涛), Ronglin HUANG (黄荣林), Zhenshang WANG (王振尚), Xiaojiao CHEN (陈晓娇), Shiying HE (何诗英), Zejing WANG (王泽京), Guanghong WANG (王广红). Preliminary design of high power magnet converter for CRAFT[J]. Plasma Science and Technology, 2020, 22(4): 45604-045604. DOI: 10.1088/2058-6272/ab7472
Citation: Zhongma WANG (王重马), Peng FU(傅鹏), Liansheng HUANG (黄连生), Zhiquan SONG (宋执权), Xiuqing ZHANG (张秀青), Tianbai DENG (邓天白), Tao CHEN (陈涛), Ronglin HUANG (黄荣林), Zhenshang WANG (王振尚), Xiaojiao CHEN (陈晓娇), Shiying HE (何诗英), Zejing WANG (王泽京), Guanghong WANG (王广红). Preliminary design of high power magnet converter for CRAFT[J]. Plasma Science and Technology, 2020, 22(4): 45604-045604. DOI: 10.1088/2058-6272/ab7472
  • In order to test the superconducting magnet performance for the Comprehensive Research Facility for Fusion Technology (CRAFT) project of China, a power supply converter needs to be designed. In this paper, short circuits upstream and downstream of the direct current (DC) reactor are analyzed, and the thyristor style and the parallel number are determined by the limit analysis of junction temperature and fault current I2t. On this basis, the over current and voltage verification of fast fuse are finished to protect the thyristor at fault cases by considering the short circuit of the bridge arm. Then, the resistor and capacitor parameters of thyristor snubber are committed to decreasing the reverse over voltage. These analysis results will be used as the preliminary design of high power magnet converter for CRAFT.
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