| J-TEXT ��̬�Ŷ���������Դ����ϵͳ��� |
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| 引用本文： | ���鶰,����,��,����,��,����,��,���ڿ�ѵ.J-TEXT ��̬�Ŷ���������Դ����ϵͳ���[J].核聚变与等离子体物理,2014,34(3):259-264. |
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| 作者姓名： | ���鶰 ���� �� ���� �� ���� �� ���ڿ�ѵ |
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| 作者单位： | (1. ???п??????????????????????人 430074 ?? 2. ????????????????????????????人 430074) |
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| 摘 要： |
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Design of constant current charging power supply for J-TEXT ohmic field capacitor banks |
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| Lü,Shu-dong,ZHANG Ming,YANG Cheng,RAO Bo,YU Ke-xun.Design of constant current charging power supply for J-TEXT ohmic field capacitor banks[J].Nuclear Fusion and Plasma Physics,2014,34(3):259-264. |
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| Authors: | Lü Shu-dong ZHANG Ming YANG Cheng RAO Bo YU Ke-xun |
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| Institution: | (1. School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074; 2. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Wuhan 430074) |
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| Abstract: | The charging characteristic of the capacitor charging power supply was analyzed with practical series resonant topology. The method that setting two current taps and regulating PWM switching frequency was putted forward with close loop controlling algorithm to charge the multi-group capacitor banks with constant current. A capacitor charging power supply with the max output current 6.5A and the max output voltage 2000V is designed. Experimental results show that, this power supply can charge the four capacitor banks to any four different voltages in 1 minute with charging accuracy less than 1%, and meet the requirements of J-TEXT ohmic field power system. |
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