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Quenching of a no-insulation high-temperature superconducting magnet

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Title
Quenching of a no-insulation high-temperature superconducting magnet
Author(s)
Ahn, Moo Hyun; Byeong Su Yang; Lee, Youngjae; Yoon, Hojin; Hee Jun Park; Donglak Kim; Jong Hee Yoo
Publication Date
2023-08
Journal
Review of Scientific Instruments, v.94, no.8
Publisher
American Institute of Physics
Abstract
We report details on the quenching incident of an 18 T high-temperature superconducting (HTS) magnet, which occurred in December 2020. It has been received that the no-insulation (NI) design of an HTS magnet is relatively safe in quenching. However, the NI design could not completely prevent the magnet from quenching and damaging the associated system. Due to significant vibrations and fast energy dissipation during quenching, the magnet and the detector components are seriously damaged. The manufacturer inspected the magnet after the incident and repaired it in the spring of 2021. The magnet showed stable and consistent performance after the repair. It is evident that the NI-HTS magnet still requires quench protection circuits to secure the magnet and associated system.
URI
https://pr.ibs.re.kr/handle/8788114/13924
DOI
10.1063/5.0133172
ISSN
0034-6748
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > 1. Journal Papers (저널논문)
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