Few inventions have had such a profound impact on modern society as the electric motor. Today, these machines power everything from household appliances to industrial machinery, creating a reliable ...

A common source of noise and vibrations in a permanent-magnetic synchronous motor is the radial forces due to rotor eccentricity. In this paper, we present entirely analytical models for the radial ...

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The residual axial magnetic field (AMF) at current zero, which is caused by large di/dt during the forced currentzero stage of DC interruption based on the technique of artificial current zero, has a ...