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Title: Shielding currents in multifilament coated conductors wound into pancake coils and layer-wound coils
Authors: Sogabe, Yusuke  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-1692-629X (unconfirmed)
Mizobata, Yudai
Amemiya, Naoyuki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-3000-864X (unconfirmed)
Author's alias: 曽我部, 友輔
溝端, 悠大
雨宮, 尚之
Keywords: coated conductor
HTS coil
multifilament
screening current
shielding current
Issue Date: Oct-2021
Publisher: IOP Publishing
Journal title: Superconductor Science and Technology
Volume: 34
Issue: 10
Thesis number: 105009
Abstract: The effect of multifilament coated conductors on reducing shielding currents was studied by numerical electromagnetic field analyses. We compared the behaviours of the shielding currents in stacked double pancake coils and layer-wound solenoid coils (SLCs) wound with the following conductors: a monofilament coated conductor, a copper-plated two-filament coated conductor, and an insulated two-filament coated conductor. Shielding-current-induced fields (SCIFs) in the layer-wound SLCs wound with copper-plated two-filament coated conductors decay more rapidly than in stacked double pancake coils wound with copper-plated two-filament coated conductors. In addition, we examined the behaviour of the shielding currents in the coils with and without normal metal terminals. The normal metal terminals made the decay time constants of the SCIFs in pancake coils longer, while the decay time constants of SCIFs did not change notably in the layer-wound SLCs with and without normal metal terminals.
Rights: This is the Accepted Manuscript version of an article accepted for publication in 'Superconductor Science and Technology'. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/1361-6668/ac0f8e.
The full-text file will be made open to the public on 7 September 2022 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/270113
DOI(Published Version): 10.1088/1361-6668/ac0f8e
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