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AC Losses in First and Second Generation High Tc Tapes and MgB2 Tapes

pubblicazioni - Articolo

AC Losses in First and Second Generation High Tc Tapes and MgB2 Tapes

Recently updated on Maggio 11th, 2021 at 09:07 am

c Tapes and MgB 2 Tapes Perdite in c.a. in nastri ad alta T c di prima e seconda generazione ed in nastri in MgB 2 S. Ginocchio 1 , E. Perini 1 , R. Jakomin 1 , F. Fontana 1 , S. Zannella 1 , L. Martini 2 1 Edison S.p.A., Milan, Italy: stefano.ginocchio@edison.it 2 CESI S.p.A., Milan, Italy: lmartini@cesi.it Abstract – Technical and economical assessments for future power application of High T c superconductivity require the evaluation and comparison of AC losses in first and second generation high T c tapes. An electrical and thermometric method were developed and used to measure transport AC loss in OPIT Bi-2223/Ag tapes, Y-123 coated conductors and in new MgB 2 -based superconductors, simulating the AC conditions typical of power devices. The results were compared with analytical models for AC losses calculation. The effect of the magnetic substrates used in coated conductors was also investigated and simple calculation model was proposed. Publication – IEEE Transactions on Applied Superconductivity, vol. 15, n. 2, pp. 2847-2850, June 2005. PUBBLICATO A5033461 (PAD – 716369)PUBBLICATO A5033461 (PAD – 716369)

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