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The paper deals with the accurate flux map modeling of synchronous reluctance motors through finite element analyses. By comparing 2D-FEM simulations results with measured flux maps on real machines, non-negligible discrepancies were initially observed, in particular under heavy saturation and cross-saturation conditions. Conversely, the 3D FEM-based flux mapping offers more accurate estimations of...
The paper reports the experimental results of a vast test campaign conducted on synchronous reluctance motors of fractional power. These motors have relatively small geometric dimensions and it is important to evaluate the negative effects of lamination punching. Two twin 550 W motor prototypes have been produced, one with annealed magnetic cores. By means of an experimental-based comparison, the...
The paper deals with experimentally-based comparative analyses aimed at quantifying the annealing process effects on the magnetic core properties of small synchronous reluctance motors. For this purpose, ‘ad hoc’ prototypes have been produced by adapting two twin normal-production, 120 W, line-start synchronous machines and, for one of them, the stator and rotor cores have been annealed. As an attempt...
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