Effects of PWM excitations on iron loss in electrical steels and machines

Abstract

The iron loss in the ferromagnetic cores of electrical machines under PWM excitations could be many times higher than the loss under sinusoidal excitation. Therefore, the effects of the PWM waveforms, and their various characteristics (modulation index, switching frequency, and topology, etc.), on the iron loss must be understood and the ability to model… (More)
DOI: 10.1109/IAS.2017.8101829

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