Quench protection design of a 1.5 T superconducting MRI magnet

Li, Yi, Wang, Qiuliang, Chen, Shunzhong, Liu, Feng, Hu, Xinning and Yan, Luguang (2012) Quench protection design of a 1.5 T superconducting MRI magnet. IEEE Transactions On Applied Superconductivity, 22 3: 4703604.1-4703604.4. doi:10.1109/TASC.2011.2174595


Author Li, Yi
Wang, Qiuliang
Chen, Shunzhong
Liu, Feng
Hu, Xinning
Yan, Luguang
Title Quench protection design of a 1.5 T superconducting MRI magnet
Journal name IEEE Transactions On Applied Superconductivity   Check publisher's open access policy
ISSN 1051-8223
1558-2515
Publication date 2012-06
Sub-type Article (original research)
DOI 10.1109/TASC.2011.2174595
Volume 22
Issue 3
Start page 4703604.1
End page 4703604.4
Total pages 4
Place of publication Piscataway, NJ, United States
Publisher Institute of Electrical and Electronics Engineers
Collection year 2013
Language eng
Abstract A 1.5 T superconducting MRI magnet has been developed in our laboratory. A passive quench protection system is employed to avoid the damage through the quench event. The coils are subdivided into several groups and a heater network is implemented accordingly. With the control volume method, the numerical model of the quench time is introduced. Different design schemes of the heater strip are compared. The simulation results of currents and voltages are illustrated and the temperature rise of the coils and the heaters are discussed.
Keyword Heaters
MRI
Quench protection
Superconducting magnet
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Information Technology and Electrical Engineering Publications
 
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