Quench detection and protection system design and analysis of the 7 T superconducting magnet

LONG Feng; SHI Yi; LIU Fang; NI Zhi-Peng

doi:10.1088/1674-1137/34/4/014

Chinese Physics C> 2010, Vol. 34> Issue(4) : 492-495 DOI: 10.1088/1674-1137/34/4/014

Quench detection and protection system design and analysis of the 7 T superconducting magnet

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Abstract：
A NbTi 7 T superconducting magnet with a 338 mm bore system was rebuilt and the first experiment was carried out in Jan. 2009. The balancing-bridge method used for the quench detection system is analyzed and an improvement of the principle of balancing-bridge conformation is given. The inductances of the coils are calculated to estimate the proportion of the bridge arms. The appropriate parameters are selected for the balancing-bridge.

References

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LONG Feng, SHI Yi, LIU Fang and NI Zhi-Peng. Quench detection and protection system design and analysis of the 7 T superconducting magnet[J]. Chinese Physics C, 2010, 34(4): 492-495. doi: 10.1088/1674-1137/34/4/014

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Received: 2009-04-30
Revised: 2009-10-29

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Quench detection and protection system design and analysis of the 7 T superconducting magnet

Corresponding author: LONG Feng,

Received Date: 2009-04-30

Accepted Date: 2009-10-29

Available Online: 2010-04-05

Abstract:

A NbTi 7 T superconducting magnet with a 338 mm bore system was rebuilt and the first experiment was carried out in Jan. 2009. The balancing-bridge method used for the quench detection system is analyzed and an improvement of the principle of balancing-bridge conformation is given. The inductances of the coils are calculated to estimate the proportion of the bridge arms. The appropriate parameters are selected for the balancing-bridge.

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Quench detection and protection system design and analysis of the 7 T superconducting magnet

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通讯作者: 陈斌, bchen63@163.com

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