Pure stator magnetic yoke excitation type direct-current power generator

Abstract

The invention relates to a pure stator magnetic yoke excitation type direct-current power generator. An external excitation coil generates an induction magnetic field, and a magnetic field pointing to a stator iron core is formed through rotor magnetism conduction. When a rotor rotates at high speed, a movable annular magnetic field is generated, and the movable annular magnetic field and a stator iron core outer coil are in perpendicular cut magnetic line motion. The direction of magnetic current in a stator coil unit is identical with the rotation direction of the rotor, so that the direction of the electromagnetic induction magnetic field generated in the (internal) stator coil unit is identical with the direction of the magnetic current, reverse current induction is avoided, electrode switching is not needed, and brushless direct-current power generation is achieved. An external upper excitation design allows the rotor to receive upward magnetic force. A magnetic suspension design of a base allows the rotor to operate in a suspension manner during movements, and gravity friction borne by a rotor shaft can be reduced (prevented) effectively.

Description

technical field [0001] The invention relates to a new type of DC generator, which belongs to the category of electrical engineering, and is characterized in that the pure stator yoke coil is excited, and the rotor is an integral magnetic conductor lamination structure. Background technique [0002] At present, DC generators have disadvantages such as complicated installation and wiring of rotor excitation coils; for this reason, this type of pure stator magnetization excitation DC generator is designed, and the ring-shaped rotor is used to conduct magnetization to form a similar magnetic cylinder (there is a gap at the stator bracket) to rotate, and the stator generates electricity. The installation of the unit coil is more simplified, which makes the structure of the generator more simple and suitable for the assembly of large (medium) power generators. Contents of the invention [0003] This model is designed as a brushless external pure stator yoke coil excitation DC ge...

AI Technical Summary

Problems solved by technology

[0002] At present, DC generators have disadvantages such as complicated installation and wiring of rotor excitation coils; for this reason, this type of pure stator excitation DC generator is designed, and the ring-shaped rotor is used to conduct magnetization to form a similar magnetic cylinder (there is a gap at the stator bracket) to rotate, and the stator generates electricity. The installation of the unit coil is more simplified, which makes the structure of the generator more simple and suitable for the assembly of large (medium) power generators

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