FIELD: electricity.
SUBSTANCE: invention relates to electrical equipment, to high-speed reversible rotating electrical machines in which due to compensation of centrifugal accelerations of the rotor its angular speed and power of the whole electrical machine significantly rises, and can be used as an electric drive for powerful high-performance centrifugal pumps and fans, for pumping of liquids and gases, in transport, especially water transport applications, and in closed power supply systems. The method of compensation of centrifugal force of rotor of the reversible electrical machine consists in control of magnetic field of rotor poles by constraining magnetic field induced by a co-directed parallel flow of currents in the rotor conductors located oppositely the values of which are proportional to the circumferential speed of the rotor. The device for compensation of centrifugal force of rotor contains a stator, a rotor, bearing and collector units. The stator has three alternating pairs of conductors connected parallel and hooked-up to a three-phase network. The rotor has minimum two conductors (poles) framing magnetically soft material of the rotor. The stator and the rotor have amount of conductors multiple to two, placed parallel. Grooves with conductors of the stator and the rotor are evenly distributed on their surfaces.
EFFECT: machine power increase.
4 cl, 27 dwg
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Authors
Dates
2015-05-20—Published
2013-01-28—Filed