Abstract
We measured AC transport current losses in three kinds of thin-film YBCO-coated conductors made by different processes. The results showed that the loss characteristics were different and that some of the conductors did not follow the Norris strip model which is generally believed to well explain the loss characteristics of YBCO conductors. In the paper, an analytical model in which distribution of critical current density and n value of the conductor are taken into consideration is proposed to describe the AC transport current loss characteristics more generally than the Norris strip and elliptical models. It is shown that the analytical model explains well the measured loss characteristics of the three kinds of conductors.
Original language | English |
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Pages (from-to) | 26-38 |
Number of pages | 13 |
Journal | Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi) |
Volume | 152 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2005 Jul 1 |
Keywords
- AC transport current losses
- Attribution of critical current density
- N value
- YBCO-coated conductor
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering