Abstract
An experimental platform is employed to measure the static and dynamic hysteresis as well as iron loss properties of grain oriented (GO) silicon steel sheet (B27R095) under nonsinusoidal excitation, such as harmonic and DC bias. Based on the Preisach model, an improved Loss model is presented to simulate the dynamic hysteresis and loss characteristics of the silicon steel materials under harmonic or DC bias excitation. Comparison between the simulated results and the measured ones verifies the accuracy of the proposed model. The influence of different characteristic quantities of the harmonic and DC bias on the separation of various losses is analyzed in detail.
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