| MICE超导耦合磁体分段内保护仿真研究 |
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| 引用本文： | 郭兴龙,王莉,徐风雨,M. A. Green,吴红,潘衡,刘孝坤.MICE超导耦合磁体分段内保护仿真研究[J].低温与超导,2009,37(6). |
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| 作者姓名： | 郭兴龙 王莉 徐风雨 M. A. Green 吴红 潘衡 刘孝坤 |
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| 作者单位： | 1. 哈尔滨工业大学低温与超导技术研究所,哈尔滨,150001,中国
2. 劳伦兹伯克利国家实验室,伯克利,94720,美国 |
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| 摘 要： | 超导磁体失超过程中会产生过大内电压和局部温升,这有可能对磁体造成破坏。对超导磁体进行分段内保护是降低失超过程中内电压和局部温升的有效办法,但是分段后各段线圈之间相互耦合,使得失超过程分析复杂化。将已有的单段失超传播模型推广到分段保护磁体的失超分析,研发了失超过程仿真算法。应用该算法对M ICE超导耦合磁体在不同分段保护系统下的失超过程进行仿真研究,得到了电流、电压、温度等有关物理量变化曲线。仿真结果表明,通过选择合适的分段数和分段保护电阻,可以控制M ICE超导耦合磁体失超过程中内电压和局部温升在允许范围内。
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| 关 键 词： | 超导磁体 失超模拟 分段保护 |
Numerical simulation of quench protection for multi-sectioned MICE coupling magnet |
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| Guo Xinglong,Wang Li,Xu Fengyu,M. A. Green,Wu Hong,Pan Heng,Liu Xiaokun.Numerical simulation of quench protection for multi-sectioned MICE coupling magnet[J].Cryogenics and Superconductivity,2009,37(6). |
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| Authors: | Guo Xinglong Wang Li Xu Fengyu M A Green Wu Hong Pan Heng Liu Xiaokun |
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| Institution: | Guo Xinglong1,Wang Li1,Xu Fengyu1,M.A.Green2,Wu Hong1,Pan Heng1,Liu Xiaokun1(1.Institute of Cryogenics and Superconductivity Technology,Harbin Institute of Technology,Harbin 150001,China,2.Lawrence Berkeley National Laboratory,Berkeley CA 94720,USA) |
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| Abstract: | Quench of superconducting magnets can induce overvoltage and overheating,which will cause destruct on the magnets.Multi-section quench protection is an effective method to control the overvoltage and overheating in the magnets during quench process,but the analysis on the multi-sectioned magnet quench is complicated because of the induction between each section.Based on a classical single section magnet quench model,a multi-sectioned magnet quench simulation algorithm was developed.Using this method,the que... |
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| Keywords: | Supercondcuting magents Quench simulation Multi-sectioned protection |
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