The prediction of iron losses in magnetic steels 2 J z 1 submitted to alternating pulse voltages is studied and an efficient method is proposed. It is developed by coupling the Fc =--K J ; ;pulse voltage form factor and the loss separation model. density of peak value Em and of frequency (operating point (f, Em)). Equation (2) gives the average total iron losses per Prediction of iron losses becomes possible directly from the loss model corresponding to the sinusoidal flux density. This cycle into hysteresis, classic., and losses components. Hysteresis losses Ph are determined from the method is validated on silicon iron grain-oriented and nonoriented magnetic steels. The predetermined iron losses are area of the quasi-static hysteresis loop. They are assumed to frequency. The classical eddy current losses P,, are simplicity and precision well appreciated by industry. coherent with those measured and this approach both be dependent of the peak flux density and independent of the
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