Results of researches of forces of a unilateral attraction of a rotor to a stator of switched reluctance electric machines taking into account unevenness of an air gap are given. It is offered for configurations of magnetic systems with weak magnetic communication between the coils making a phase to carry out a supply of coils in parallel or independently from each other for reduction of not compensated forces of a unilateral attraction of a rotor to a stator.

The influence of the switched reluctance motor drive sensorless control on the level of its noise is considered. Theoretically justified the increase of noise level while sensorless SRM control. The results of switched reluctance motor noise measurement with sensorless control and control using the physical position sensor are given.

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The article presents the features of traction switched reluctance motors with a diametric closure of the magnetic flux and a “short field”. A computer simulation of a motor with a short field is performed for the ideal location of the rotor inside the stator, as well as for two cases of rotor displacement. The hodographs of the radial interaction forces of the rotor and stator are calculated.