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The paper presents an algorithm for calculating the energy loss due to macroscopic eddy currents considering the non-linearity of magnetization characteristics and magnetic hysteresis. It was found that for non-oriented steel sheet with a silicon content of 6.5% and thickness 0.1 mm the consideration of non-linearity and magnetization characteristics has a little effect on the energy loss, at least up to 400 Hz. In the application of the algorithm, there are some limitations resulting from the assumption of the average value of the induction flux in the sample cross-section, numerical problems and hysteresis loop shapes.

Calculation of energy loss due to macroscopic eddy currents in ferromagnetic materials considering hysteresis loop