Abstract
Numerical study to evaluate the validity of the measurement method of AC loss in high temperature superconducting tapes in external AC magnetic field carrying AC transport current was done. The AC transport current loss and the magnetization loss in a conventional Bi2223/Ag-sheathed multifilamentary tape in the external AC magnetic field carrying the AC transport current were measured by the four terminal method and the pick-up coil method respectively. Numerical calculations on the AC losses in the tape were performed by using our previously developed analytical model. The measured losses were compared with the analytical results and the errors of the AC loss measurement were evaluated.
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