Abstract
In this paper, faced with the modeling problems of analysis and calculation for iron losses in variable-frequency motor under no-sinusoidal excitation, the author points out a method that the iron losses can be calculated under any magnetic field ,that is waveform-Harmonic analysis method. In consideration of the impact of Power supply harmonics, Core saturation and Skin Effect, the author proposes a new parameter -- Harmonic Loss Correction Factor. From the comparisons between the prototype test results and the theoretical results show that this method has high accuracy and strong feasibility.
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