Abstract
Increasing the speed of rotation of electric motors is an urgent task for turbine mechanisms – pumps, fans, compressors. Traditional synchronous motors have a rotation speed that is less than or equal to the frequency of the supply voltage. The article proposes a design and considers the principle of operation of a synchronous electric motor with double rotation speed. It has three reluctance rotors with one pole, for static and dynamic balancing, and the stator winding is supplied with voltages out of phase by π/6. The proposed design of a synchronous motor with eighteen phases of the stator winding and, with three rotors, the axes of which are offset relative to the axis of rotation of the output shaft. The use of such a design makes it possible to double the rotation speed of the output shaft in comparison with the frequency of the supply voltages. A description of the principle of operation of the motor and its mathematical description are given, taking into account the structural features of the stator-rotor magnetic circuit. The main advantage of the proposed engine in comparison with a high-speed engine is static and dynamic balancing.
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