Influence of E–J characteristics of coated conductors and field ramp-up rates on shielding-current-induced fields of magnet. Li, Y., Tominaga, N., Sogabe, Y., Kikuchi, T., Wimbush, S., Granville, S., & Amemiya, N. IEEE Trans. Appl. Supercond., 28(3):4601105, April, 2018. doi abstract bibtex We carried out electromagnetic field analyses on the shielding-current-induced field (SCIF) of a cosine–theta dipole magnet, which is wound with coated conductors with finite electric field (E)–current density (J) characteristics and must ramp up its magnetic field. E–J characteristics, which depend on the field amplitude and orientation, were formulated based on the measured E–J data and were used for the analyses. The distributions of E in coated conductors of the magnet during the ramp-up phase as well as the flat top of the magnet excitation was revealed, and the relevant range of E–J characteristics of coated conductors was discussed from the viewpoint of dominating shielding currents. The influences of the variation of the E–J characteristic and the field ramp-up rate on SCIF were examined.
@article{li_influence_2018,
title = {Influence of {E}–{J} characteristics of coated conductors and field ramp-up rates on shielding-current-induced fields of magnet},
volume = {28},
issn = {1051-8223},
doi = {10.1109/TASC.2017.2785817},
abstract = {We carried out electromagnetic field analyses on the shielding-current-induced field (SCIF) of a cosine–theta dipole magnet, which is wound with coated conductors with finite electric field (E)–current density (J) characteristics and must ramp up its magnetic field. E–J characteristics, which depend on the field amplitude and orientation, were formulated based on the measured E–J data and were used for the analyses. The distributions of E in coated conductors of the magnet during the ramp-up phase as well as the flat top of the magnet excitation was revealed, and the relevant range of E–J characteristics of coated conductors was discussed from the viewpoint of dominating shielding currents. The influences of the variation of the E–J characteristic and the field ramp-up rate on SCIF were examined.},
language = {en},
number = {3},
journal = {IEEE Trans. Appl. Supercond.},
author = {Li, Yang and Tominaga, Naoki and Sogabe, Yusuke and Kikuchi, Takashi and Wimbush, Stuart and Granville, Simon and Amemiya, Naoyuki},
month = apr,
year = {2018},
pages = {4601105},
file = {Li et al. - 2018 - Influence of E–J characteristics of coated conduct.pdf:C\:\\Users\\scwim\\OneDrive\\Work\\Zotero Library\\Li et al. - 2018 - Influence of E–J characteristics of coated conduct.pdf:application/pdf},
}
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