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2 MJ超导储能磁体失超保护的研究
引用本文:陈顺中,雷沅忠,王秋良.2 MJ超导储能磁体失超保护的研究[J].低温物理学报,2009,31(1).
作者姓名:陈顺中  雷沅忠  王秋良
作者单位:中国科学院应用超导重点实验室,中国科学院电工研究所,北京,100080  
摘    要:本文介绍了一种用于2 MJ超导储能磁体的失超保护系统.该失超保护系统采用数字失超检测方法,依托高性能的数字采集卡NI-6224,能快速可靠地检测到磁体失超;采用卸能电阻可变的失超卸能同路极大地提高了移能效率,减少了冷却介质的挥发.

关 键 词:超导储能磁体  失超保护  数字失超检测

STUDY FOR A 2MJ SMES WITH QUENCH PROTECTION
CHEN Shun-zhong LEI Yuan-zhong WANG Qiu-liang Key Laboratory of Applied Superconductivity,Chinese Academy of Science.STUDY FOR A 2MJ SMES WITH QUENCH PROTECTION[J].Chinese Journal of Low Temperature Physics,2009,31(1).
Authors:CHEN Shun-zhong LEI Yuan-zhong WANG Qiu-liang Key Laboratory of Applied Superconductivity  Chinese Academy of Science
Institution:CHEN Shun-zhong LEI Yuan-zhong WANG Qiu-liang Key Laboratory of Applied Superconductivity,Chinese Academy of Science,Institute of electrical engineering,Chinese academy of sciences,Beijing 100800
Abstract:This paper introduce the quench protection system applied in 2MJ SMES. This quench protection system adopt digital quench detection system and rely on high-powered NI-6224 digital acquisition card, so it can quickly and reliably detect quench in SEMS; Discharge energy circuit adopting alterable discharge energy resistance greatly improve discharge efficiency and reduce volatilization of cooling medium.
Keywords:SMES  quench protection  digital quench detection  
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