CUED Publications database

Magnetization of Coated Conductor Stacks Using Flux Pumping

Zhang, H and Geng, J and Shen, B and Fu, L and Zhang, X and Li, C and Li, J and Coombs, TA (2017) Magnetization of Coated Conductor Stacks Using Flux Pumping. IEEE Transactions on Applied Superconductivity, 27. ISSN 1051-8223

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Abstract

© 2002-2011 IEEE. Stacked-coated conductor tapes have demonstrated superior properties over bulk superconductors, including the flexible stacking configuration, appealing mechanical properties, and the good cross field performance. This makes stacked high-temperature superconducting (HTS) tapes a promising alternative to HTS bulks in many applications despite of its cost, such as rotary motors and levitation. The conventional magnetization methods, such as pulse field magnetization and field cooling, require large magnetic field to be applied on an area to cover the whole HTS stacks, which seriously affects its applicability. In this paper, HTS flux pumping, a novel technique developed for HTS coil energization, is proposed to be used to magnetize stacked HTS tapes. HTS tapes used in this paper have slits in the middle between two tape ends, called partially slit tape (PST). The PSTs operate as flat HTS coils in persistent current mode once magnetized. The experimental results show flux pumping, with the traveling-wave based mechanical moving magnet design, is able to magnetize the stacked PSTs at a weak level compared to its potential.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:09
Last Modified: 21 Sep 2017 01:35
DOI: