Abstract
The current transfer between superconducting stripes coated with normal layer is examinedin detail. It is shown that, in present YBCO coated conductors with striations, aconsiderable amount of the current flowing in the normal layer is not transferred into thesuperconducting stripes. This effect also influences the eddy currents and the couplingcurrents between the stripes. The effective resistance for the coupling currents iscalculated. The maximum allowable twist length of such a striated structure isgiven, which ensures lower losses than in the corresponding normal conductor ofthe same volume as the total YBCO cable (including substrate, buffer layer,superconductor and normal coating). In addition, a new simple method for determiningthe transfer resistance between superconducting and normal parts is proposed.
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