Quench Protection of the 11 T Nb3Sn Dipole for the High Luminosity LHC

被引：7
|
作者：
Bermudez, Susana Izquierdo [1 ]
Willering, Gerard [1 ]
Bajas, Hugues [1 ]
Bajko, Marta [1 ]
Bordini, Bernardo [1 ]
Bottura, Luca [1 ]
Perez, Juan Carlos [1 ]
de Rijk, Gijs [1 ]
Savary, Frederic [1 ]
机构：
[1] CERN, CH-1211 Geneva, Switzerland
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2018年 / 28卷 / 03期
关键词：
High Luminosity LHC; Quench protection; High Field Nb3Sn Magnet;
D O I：
10.1109/TASC.2018.2799580
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The upgrade of the LHC collimation system requires the installation of 11 T Nb3Sn dipole magnets. Due to the large stored energy density and the low copper stabilizer section, the quench protection of these magnets is particularly challenging. A total of ten coils assembled in five single aperture and one double aperture short model magnets have been tested at CERN with different heater to coil insulation lay outs. This paper reports on the test results of the model program, which are used to validate numerical models and to optimize the quench protection performance. A parametric analysis on the impact of different conductor and operation parameters on the peak temperature is presented. Coil voltage to ground and turn-to-turn voltages are also evaluated under nominal conditions and failure case scenarios.
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页数：5
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