Frequency-dependent demagnetisation rate of a shielded HTS tape stack
Authors
Tomkow, L
Climente-Alarcon, V
Mineev, N
Smara, A
Glowacki, BA
Publication Date
2020Journal Title
Journal of Physics: Conference Series
ISSN
1742-6588
Publisher
IOP Publishing
Volume
1559
Issue
1
Language
en
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Tomkow, L., Climente-Alarcon, V., Mineev, N., Smara, A., & Glowacki, B. (2020). Frequency-dependent demagnetisation rate of a shielded HTS tape stack. Journal of Physics: Conference Series, 1559 (1) https://doi.org/10.1088/1742-6596/1559/1/012056
Abstract
<jats:title>Abstract</jats:title>
<jats:p>This work presents results of investigation of crossed-field demagnetization in 2G high temperature superconducting stacks at temperatures in the range of 77 - 20 K and in a variable frequency, corresponding to the particular rotor application.</jats:p>
<jats:p>We propose a method to reduce the demagnetization rate for a given stack configuration necessary for the superconducting rotor operating at a cryogenic temperature. This technique involves 3-D wrapping the stack of tapes with perpendicular layers of similar superconducting properties.</jats:p>
<jats:p>Previous ‘proof of concept’ studies documented some improvements in flux demagnetisation reduction for basic configuration. In the present study a more advanced approach based on magnetic flux shielding is adopted. The presented results provide an important contribution to development for design solutions that aim to increase the operational time before remagnetisation of the stacks would be required.</jats:p>
Keywords
Paper
Sponsorship
Engineering and Physical Sciences Research Council (EP/P000738/1)
European Commission Horizon 2020 (H2020) Societal Challenges (723119)
Identifiers
jpcs_1559_1_012056, j15591056
External DOI: https://doi.org/10.1088/1742-6596/1559/1/012056
This record's URL: https://www.repository.cam.ac.uk/handle/1810/332515
Rights
Licence:
http://creativecommons.org/licenses/by/3.0/
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