Quench protection design of a 1.5 T superconducting MRI magnet

Yi Li; Qiuliang Wang; Shunzhong Chen; Feng Liu; Xinning Hu; Luguang Yan

doi:10.1109/TASC.2011.2174595

Quench protection design of a 1.5 T superconducting MRI magnet

Yi Li
, Qiuliang Wang
, Shunzhong Chen
, Feng Liu
, Xinning Hu
, Luguang Yan

School of Electrical Engineering

Research output: Contribution to journal › Review article › peer-review

27 Scopus citations

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.

Original language	English
Article number	4703604
Journal	IEEE Transactions on Applied Superconductivity
Volume	22
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2011.2174595
State	Published - 2012

Keywords

Heaters
MRI
quench protection
superconducting magnet

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10.1109/TASC.2011.2174595

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AU - Hu, Xinning

AU - Yan, Luguang

PY - 2012

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AB - 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.

KW - Heaters

KW - MRI

KW - quench protection

KW - superconducting magnet

UR - https://www.scopus.com/pages/publications/84862530856

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M3 - 文献综述

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M1 - 4703604

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Quench protection design of a 1.5 T superconducting MRI magnet

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Keywords

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