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In this paper, a novel dynamic model of a self-excited induction generator (SEIG) is presented. In the proposed model, the fundamental stray load and iron losses are accounted for in a way that preserves the order of the conventional induction machine (IM) model. The corresponding equivalent resistances are determined from the standard tests. The SEIG has been considered as part of a wind conversion...
In this paper, a novel model for surface-mount PM (SPM), which takes the iron losses and machine parameters variation into account is presented. If the voltage of the copper resistance is ignored in the electric drive running at a high speed, the traditional equivalent circuit with a serial and parallel circuit could be transformed into a simple parallel circuit. The phasors diagram and two-axis equivalent...
This paper deals with a method for determining the complex permeability in analysis of hysteresis motors. The method assumes that the magnetic intensity distribution is sinusoidal in the direction of rotation. Analysis of the asynchronous speed of a hysteresis motor is then performed for cylindrical coordinates, using modified Bessel functions. The results of calculations are in good agreement with...
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