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AC Losses in \hbox {Bi}_{2}\hbox {Sr}_{2}\hbox {Ca}_{2} \hbox {Cu}_{3}\hbox {O}_{10 + x} Tapes and a 3.15-m-Long Single-Phase Cable

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9 Author(s)
Juul, J.S. ; Niels Bohr Inst., Univ. of Copenhagen, Copenhagen, Denmark ; Molgaard, E.T. ; Jensen, J. ; Andersen, N.H.
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The alternating-current losses in superconducting multifilament BiSCCO-2223 tapes and a 3.15-m single-phase test cable were measured at 77 K using an electrical transport method. The cable had an inner diameter of 42 mm; it was composed of a single layer of 31 multifilament tapes and had a critical current of Ic = 4.1 kA. The measured losses of the tapes were found to be in good agreement with the Norris ellipse (NE) model. The losses of the cable were, for high currents, found to be bounded by the monoblock and independent NE models.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:21 ,  Issue: 6 )