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Test results for a Bi-2223 HTS racetrack coil generator applications

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5 Author(s)
Salasoo, L. ; Gen. Electr. Corp. Res. & Dev. Center, Schenectady, NY, USA ; Herd, K.G. ; Laskaris, E.T. ; Hart, H.R., Jr.
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Testing, results and analysis of a Bi-2223 model superconducting generator coil produced under the DOE Superconductivity Partnership Initiative are presented. The test arrangement enables coil energization with DC and transient currents over a range of operating temperatures to explore coil performance under conditions analogous to those that would be experienced by a superconducting generator field coil. Analytic calculations of coil AC and ohmic losses and temperature rise compare well with experimental measurements. Good performance is predicted for a typical three-phase fault condition. Coil steady-state and transient performance can be predicted with confidence for full scale superconductor application.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:7 ,  Issue: 2 )