| The Power Supply System for HL-2A Tokamak＇s Magnetic Field |
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| 引用本文： | 宣伟民,姚列英,陈宇红,邵葵,王英翘.The Power Supply System for HL-2A Tokamak＇s Magnetic Field[J].等离子体科学和技术,2007,9(2):211-215. |
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| 作者姓名： | 宣伟民 姚列英 陈宇红 邵葵 王英翘 |
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| 作者单位： | Southwestern Institute of physics, PO Box 432, Chengdu 610041, China |
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| 摘 要： | The highpower pulsed power supply system for the magnetic field of the HL-2A Tokamak is described in this paper. The total output power of its eight magnetic field power supply units of nearly 250 MW. Their highest DC output voltage and current are 3510 V and 45 kA, respectively. All the units are operated in a pulsed mode. The pulse duration is 5 s, and the cyclic period is 15 min. The power supply system consists mainly of pulsed flywheel motor generators, rectifying transformers, thyristor converters, diode rectifiers and switches. The system incorporates many key technologies-supply equalization with two generators and four diode bridges, constant-angle phase triggers with a wide frequency range, current equalization, a status detector for the high current 6-phase converter, and advanced monitoring based on a programmable logic computer and engineering parameter measurement. The experimental results show that the performance of the power supply system satisfies the requirements of HL-2A experiments very well.
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| 关 键 词： | HL-2A 托卡马克装置 磁场 供电系统 |
| 修稿时间： | 2006-03-23 |
The Power Supply System for HL-2A Tokamak＇s Magnetic Field |
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| XUAN Weimin , YAO Lieying , CHEN Yuhong, SHAO Kui, WANG Yingqiao.The Power Supply System for HL-2A Tokamak＇s Magnetic Field[J].Plasma Science & Technology,2007,9(2):211-215. |
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| Authors: | XUAN Weimin YAO Lieying CHEN Yuhong SHAO Kui WANG Yingqiao |
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| Affiliation: | Southwestern Institute of physics, PO Box 432, Chengdu 610041, China |
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| Abstract: | The highpower pulsed power supply system for the magnetic field of the HL-2A Tokamak is described in this paper. The total output power of its eight magnetic field power supply units of nearly 250 MW. Their highest DC output voltage and current are 3510 V and 45 kA, respectively. All the units are operated in a pulsed mode. The pulse duration is 5 s, and the cyclic period is 15 min. The power supply system consists mainly of pulsed flywheel motor generators, rectifying transformers, thyristor converters, diode rectifiers and switches. The system incorporates many key technologies-supply equalization with two generators and four diode bridges, constant-angle phase triggers with a wide frequency range, current equalization, a status detector for the high current 6-phase converter, and advanced monitoring based on a programmable logic computer and engineering parameter measurement. The experimental results show that the performance of the power supply system satisfies the requirements of HL-2A experiments very well. |
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| Keywords: | high power HL-2A pulsed magnet power supply current equalization exact phase shift |
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