A surface mount asynchronous starter vernier motor

Abstract

The invention discloses a surface-mounted asynchronous starter vernier motor, which includes a stator and a rotor; the stator includes a stator iron core and a stator winding, and the rotor includes a rotor iron core, a rotor damping winding, a rotor starting winding and a permanent magnet. The stator core is in the shape of a ring, and its inner ring surface is provided with a plurality of open slots as stator slots along the circumference to accommodate the stator winding; the rotor core is coaxially sleeved in the stator core, and its inner ring surface is opposite to the stator core. A plurality of rotor starting windings and a plurality of permanent magnets are uniformly and alternately distributed along the outer surface of the rotor along the circumferential direction, and the rotor damping winding is arranged under the rotor starting windings and the permanent magnets. The invention improves the mechanism of the asynchronous starting vernier motor, adopts surface-mounted alternating pole permanent magnets, and at the same time, the rotor adopts two sets of winding rotors, thereby alleviating the competition between the permanent magnets and rotor windings for the surface space of the rotor, and ensuring the starting The performance can also take into account the steady-state performance.

Description

technical field [0001] The invention belongs to the technical field of motors, and more specifically relates to a surface-mounted asynchronous starter vernier motor. Background technique [0002] my country is rich in rare earth resources, and the research level of rare earth materials and rare earth permanent magnet motors has reached the international advanced level. Therefore, giving full play to the advantages of rare earth resources, vigorously researching and promoting the application of various permanent magnet motors represented by rare earth permanent magnet motors has important theoretical significance and practical value for our country. Compared with traditional asynchronous motors, permanent magnet motors are simple in structure and reliable in operation; small in size and light in weight; low in loss and high in efficiency; the vernier motor has the advantage of high torque density, and its torque density can reach that of ordinary permanent magnet motors more...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above defects or improvement needs of the prior art, the present invention provides a surface-mounted asynchronous starter vernier motor, which aims to solve the problems caused by the steady-state braking torque caused by the abundant harmonic content of the existing asynchronous starter vernier motor during steady-state operation. The problem of output torque reduction

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