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

R Pei, R Viznichenko, M D Ainslie, Z Hong, W Xian, L Zeng, Weijia Yuan, T A Coombs

Research output: Contribution to journalArticlepeer-review

5 Citations (SciVal)


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.
Original languageEnglish
Pages (from-to)3226-3229
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number3
Publication statusPublished - 2011


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