Measurements of losses in bulk Bi-2223 plate carrying dc transport currents exposed to an alternating field

摘要

A high critical current Bi-2223 plate has been successfully manufactured. This paper discusses the hysteresis llosses arising in the plate exposed to an ac field with dc transport currents. The loss components of the sample have been derived using the V-I curves of the sample. It is shown that the losses of the smaple are of the same order as the estimations for II_co and HH_p. It is also confirmed that a field applied normal to the sample causes higher losses than that applied parallel to the sample.