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2G HTS Coil Technology Development at SuperPower

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6 Author(s)
Honghai Song ; SuperPower Inc., Schenectady, NY, USA ; Brownsey, P. ; Yifei Zhang ; Waterman, J.
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The second-generation high-temperature superconductor (2G HTS), Re-Ba-Cu-O coated conductors are known for strong mechanical properties and have numerous potential applications in high magnetic field research and electrical power systems. It has been noted in the community that coated conductors can be prone to performance degradation on thermal cycling when used in epoxy impregnated magnet windings. This degradation has been tied to the c-axis peel strength in the wire. SuperPower is addressing this issue with a short term approach of developing novel technologies in conductor post processing and coil winding technology, which allows building high quality coils with current generation conductor, and a longer term approach of improving wire production to build stronger wire with high c -axis peel strength.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:23 ,  Issue: 3 )