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Article Dans Une Revue IEEE Transactions on Applied Superconductivity Année : 2002

AC losses in a BSCCO current lead : comparison between calculation and measurement.

Résumé

It is important to calculate the AC losses in the SHTC. The Bean's model makes it possible analytically to calculate these losses in simple cases. A model which takes into account the characteristic E(Jn) exists. It does not allow an analytical study of the losses but allows a numerical calculation of those. In this article, we determine the distributions of E(r,t) and J(r,t), and deduce the losses, in a BSCCO current lead supplied by a sinusoidal current. First of all, we compare the distributions obtained with the Bean's model and the E(Jn) model. Finally we compare the calculated losses using the two models, with measured losses, presented in a preceding article. We show the validity of our results, provided that the current remains sufficiently lower than the critical current.

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Dates et versions

hal-00157257 , version 1 (25-06-2007)

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  • HAL Id : hal-00157257 , version 1

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Bruno Douine, Jean Lévêque, Denis Netter, Abderrezak Rezzoug. AC losses in a BSCCO current lead : comparison between calculation and measurement.. IEEE Transactions on Applied Superconductivity, 2002, pp.1603-1606. ⟨hal-00157257⟩
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