Abstract
AC transport losses, in multifilamentary BSCCO-2223 silver sheathed tapes, as a function of the applied external magnetic field and its direction with respect to the plane of the samples, are reported. The measurements were carried out at 77 K and at frequency of 80 Hz. The AC transport current values through the tapes, in the range of 10 to 70 percent of their DC critical current values, were kept constant, while rotating the external magnetic field. Also, in a similar way, DC critical current angular characteristics were measured. The transport losses, as a function of the angle and the magnetic field, scale when using the analogous DC critical current relations. Obtained results are compared with theoretical models for the self-field losses.
Published Version
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