Linear switch magnetic flux permanent magnet motor with low location force and high thrust
A permanent magnet motor, switching magnetic flux technology, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of unfavorable promotion and application of linear motors, large thrust fluctuations, and a large number of permanent magnets, and achieves favorable heat dissipation and efficiency. Cooling, improving output and service life, reducing the effect of magnetic field harmonics
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[0021] A novel linear plate type switched flux permanent magnet motor according to the present invention, comprising a primary iron core 21, a permanent magnet 22, a magnetically conductive bridge 24, a non-magnetically conductive spacer 23, a three-phase winding 3, a secondary mover 1 and a gas gap 4, such as figure 1 . The whole motor has a flat plate structure, and two permanent magnets with opposite magnetization directions are placed between two U-shaped iron cores in the same phase and the two ends of the magnetic permeable bridge to form a closed magnetic circuit. The primary three-phase winding is embedded in the U-shaped slot of the primary iron core in the form of single-layer concentrated winding, and the air gap is located between the primary and secondary of the motor. The primary iron core can be made of silicon steel sheets, and the secondary stator air gap side is a U-shaped pole and slot structure with the same interval, which can be processed from a whole p...
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