CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
The Role of Quench-Back in the Passive Quench Protection of Long Solenoids With Coil Sub-Division
Guo, XL; Green, MA; Wang, L; Pan, H; Wu, H
2010
Conference Name21st International Conference on Magnet Technology (MT-21)
Pages2035
Conference DateOCT 18-23, 2009
Conference PlaceAnhui, PEOPLES R CHINA
Funding OrganizationChinese Acad Sci & Inst Plasma Physics, Inst Elect Engn
AbstractThis paper describes how a passive quench protection system can be applied to long superconducting solenoid magnets. When a solenoid coil is long compared to its thickness, the magnet quench process will be dominated by the time needed for quench propagation along the magnet length. Quench-back will permit a long magnet to quench more rapidly in a passive way. Quench-back from a conductive (low resistivity) mandrel is essential for spreading the quench along the length of a magnet. The mandrel must be inductively coupled to the magnet circuit that is being quenched. Current induced in the mandrel by di/dt in the magnet produces heat in the mandrel, which in turn causes the superconducting coil wound on the mandrel to quench. Sub-division is often employed to reduce the voltages to ground within the coil. This paper explores when it is possible for quench-back to be employed for passive quench protection. The role of sub-division of the coil is discussed for long magnets.
ISSN1051-8223
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10269
Collection中科院上海应用物理研究所2004-2010年
Recommended Citation
GB/T 7714
Guo, XL,Green, MA,Wang, L,et al. The Role of Quench-Back in the Passive Quench Protection of Long Solenoids With Coil Sub-Division[C],2010:2035.
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