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This paper presents a finite element based circuit model approach for a permanent magnet synchronous machine considering rotor eccentricity effects. The presented model is well suited for multi body dynamics simulations, because it combines the coverage of saturation, slotting and eccentricity effects that is typically known from finite element models with a very low simulation cost. The focus of...
The phenomenon of the unbalanced magnetic pull is analytically modelled, referring to cylindrical rotor A.C. machines. Even if under some simplifications (sinusoidal space distribution of the current density, no slotting, no saturation, no parallel paths), various compact and significant expressions of field and force are obtained, for any number of pole pairs: the model is based on a critical re-formulation...
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