CUED Publications database

The Ic behavior of 2G YBCO tapes under DC/AC magnetic fields at various temperatures

Pei, R and Viznichenko, R and Ainslie, MD and Hong, Z and Xian, W and Zeng, L and Yuan, W and Coombs, TA (2011) The Ic behavior of 2G YBCO tapes under DC/AC magnetic fields at various temperatures. IEEE Transactions on Applied Superconductivity, 21. pp. 3226-3229. ISSN 1051-8223

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Abstract

In order to design a High Temperature Superconducting (HTS) machine that is able to operate safely and reliably, studies on the characterization of Second Generation (2G) HTS tapes are of paramount importance. This paper presents an experimental setup to measure critical current of 2G HTS tapes in high DC magnetic fields (up to 5 Tesla) with an AC current ripple superimposed, as well as various temperatures ranging from 25 K to 77 K. The 2G tape measured is the SGS12050 coated conductor made by SuperPower. The critical current is measured by a flux vector with reference to the widest sample face from 0 to 90 degrees in 10 degree steps. Smaller steps are required close to 0 . A Variable Temperature Insert (VTI) is utilized to control temperature change. © 2010 IEEE.

Item Type: Article
Uncontrolled Keywords: AC ripple Critical current HTS machine VTI
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:20
Last Modified: 08 Dec 2014 02:28
DOI: 10.1109/TASC.2010.2097232