Abstract
An electromagnetic field analysis of high temperature superconductors with large cross-sectional aspect ratios was carried out. This analysis used a numerical model employing FEM, formulated with current vector potential and magnetic scalar potential. The model conductor with a large cross-sectional aspect ratio simulates a YBCO coated conductor. Edge basis functions and a nodal basis function were used for vector potentials and a scalar potential, respectively. The AC loss was calculated from the temporal evolution of the current distribution. AC transport current was supplied and an AC transverse magnetic field with various orientations was applied to the model conductor to calculate the AC losses at various conditions. The numerically calculated AC losses were compared with the analytical values and numerical values.
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