| EAST托卡马克大功率双向直流快速晶闸管开关可靠关断理论分析及参数优化设计 |
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| 引用本文： | 温家良,傅鹏,刘正之,汤广福. EAST托卡马克大功率双向直流快速晶闸管开关可靠关断理论分析及参数优化设计[J]. 中国电机工程学报, 2005, 25(14): 0-67 |
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| 作者姓名： | 温家良 傅鹏 刘正之 汤广福 |
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| 作者单位： | 1. 中国电力科学研究院,北京市,海淀区,100085
2. 中国科学院等离子体物理研究所,安徽省,合肥市,230031 |
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| 摘 要： | 对EAST托卡马克极向场电源系统的关键设备之——大功率双向直流快速晶闸管开关的基本工作原理，即强迫换流技术进行深入的理论分析，得出直流晶闸管开关可靠关断理论判据。并在此基础上进行了参数的优化设计。最后对换流支路分布电阻对关断特性的影响进行了分析。所有这些工作为大功率双向直流快速晶闸管开关的研制成功提供了坚实的理论保证。
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| 关 键 词： | 电力电子 晶闸管 直流开关 强迫换流 可靠关断 优化设计 |
| 文章编号： | 0258-8013（2005）14-0062-06 |
| 收稿时间： | 2005-01-10 |
| 修稿时间： | 2005-01-10 |
THEORY ANALYSIS AND PARAMETERS OPTIMIZE DESIGN OF RELIABILITY TURN-OFF OF HIGH POWER DC BI-DIRECTIONAL DC FAST THYRISTOR SWITCH IN EAST TOKAMAK |
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| WEN Jia-liang,FU Peng,LIU Zheng-zhi,TANG Guang-fu. THEORY ANALYSIS AND PARAMETERS OPTIMIZE DESIGN OF RELIABILITY TURN-OFF OF HIGH POWER DC BI-DIRECTIONAL DC FAST THYRISTOR SWITCH IN EAST TOKAMAK[J]. Proceedings of the CSEE, 2005, 25(14): 0-67 |
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| Authors: | WEN Jia-liang FU Peng LIU Zheng-zhi TANG Guang-fu |
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| Abstract: | The high power bi-directional DC thyristor switch is one of key equipments of the poloidal field power supply system in EAST Super-conductive TOKAMAK. Forced commutation technology has been analyzed thoroughly, which is the base of DC thyristor switch. Firstly, the reliable turn-off criterion and optimized expressions of parameters have been derived. Then, the influence of distributing resistance has been emphasized during turn-off. At last, a series of tests result have been provided. All these work make sure development of high power bi-directional DC fast thyristor switch finished successfully. |
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| Keywords: | Power electronics Thyristor DC switch Forced commutation Reliable turn-off Optimize design |
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