Distributed-Circuit Method for Replication of Fast-Ramping of Saddle-Shaped REBCO Dipole Magnet Wound With Two-Tape Bundled Conductor

This work presents a distributed-circuit model for analyzing experimental results of fast-ramping behaviors of a saddle-shaped REBCO dipole magnet wound with a bundled conductor. Terminal voltage and center magnetic field were measured during the test performed at 77 K temperature. Our distributed-c...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2024-08, Vol.34 (5), p.1-5
Main Authors: Kim, Geonyoung, Park, Hyunsoo, Im, Chaemin, Park, Jeonghwan, Koo, Jaheum, Jung, Wonju, Lee, Jung Tae, Jang, Wonseok, Cha, JuKyung, Yan, Yufan, Kim, Jaemin, Bang, Jeseok, Hahn, Garam, Choi, Seyong, Kang, Hyoungku, Hahn, Seungyong
Format: Article
Language:English
Subjects:
Circuits
Conductors
Contact resistivity
Dipoles
distributed-circuit model
Electromagnetic properties
Inductance
Integrated circuit modeling
Magnetic circuits
Magnetic field measurement
saddle-shaped magnet
Superconducting magnets
two-tape bundled conductor
Voltage measurement
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Summary:This work presents a distributed-circuit model for analyzing experimental results of fast-ramping behaviors of a saddle-shaped REBCO dipole magnet wound with a bundled conductor. Terminal voltage and center magnetic field were measured during the test performed at 77 K temperature. Our distributed-circuit model accurately reproduced the observed electromagnetic behaviors, demonstrating its validity for the fast-ramping operation of an HTS magnet. We also analyzed the current discrepancy between bundled conductors and Joule dissipation due to the various ranges of contact resistivity.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2023.3345298