AC losses in striated YBCO coated conductors

We measured AC losses in RABiTS nonstriated as well as striated coated conductors provided by the US Air Force Research Laboratory. In addition, samples with different kinds of well defined inter-filament bridging have been measured and their losses compared with those of samples with unbridged fila...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2005-06, Vol.15 (2), p.2819-2822
Hauptverfasser: Majoros, M., Glowacki, B.A., Campbell, A.M., Levin, G.A., Barnes, P.N., Polak, M.
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Sprache:eng
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Zusammenfassung:We measured AC losses in RABiTS nonstriated as well as striated coated conductors provided by the US Air Force Research Laboratory. In addition, samples with different kinds of well defined inter-filament bridging have been measured and their losses compared with those of samples with unbridged filaments and with mono-layer samples. This bridging is designed to aid current sharing between filaments, which is advantageous, but it is necessary to determine if the effect on AC losses is detrimental. It was found that AC losses of striated samples with multiple bridges are higher than those of the samples with no bridges due to significant filament coupling but even so the losses are still substantially lower than those of a monolayer sample.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2005.848234