Parallel double-stator permanent magnet motor

Abstract

The invention discloses a parallel double-stator permanent magnet motor, and belongs to the technical field of a permanent magnet motor. The parallel double-stator permanent magnet motor comprises a case, a motor group A and a motor group B, wherein the motor group A and the motor group B are arranged in the case in parallel; the motor group A comprises a stator A and a rotor A; a high counter electromotive force winding A is arranged on the stator A; a permanent magnet A is arranged on the rotor A; the motor group A selects a low-rotating-speed and great-torque work site as a rated operation point; the motor group B comprises a stator B and a rotor B; a low counter electromotive force winding B is arranged on the stator B; a permanent magnet B is arranged on the rotor B; the motor group B selects a high-rotating-speed work site capable of meeting the high-speed band loading capability as a rated operation point. The permanent magnet motor provided by the invention has the advantages that the low-speed great-torque characteristics are realized; the high-speed operation characteristics are also realized; meanwhile, the problem of high efficiency requirement in the wide rotating speed range of the driving motor can be solved; the characteristics of good dynamic performance, high integral operation efficiency, high reliability and the like are realized; the application prospects are good.

Description

technical field [0001] The invention relates to a permanent magnet motor, more specifically, to a parallel double-stator permanent magnet motor, which is suitable for low-speed, high-torque and high-speed applications. Background technique [0002] The driving motor is one of the important technologies in the application field of hybrid electric vehicles and other new energy vehicles. The driving motors of hybrid electric vehicles need to have a wide range of speed regulation and an efficient operating area. Ordinary permanent magnet motors have simple structure and high work efficiency, but due to their constant torque characteristics, it is difficult to meet the requirements of wide speed range and efficient operating area, so it is difficult to meet the high performance requirements of hybrid electric vehicle motors. [0003] With the continuous development of motor technology, parallel double-stator permanent magnet motors have also been well researched and developed, an...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned shortcomings of the existing parallel double-stator permanent magnet motor, and provide a parallel double-stator permanent magnet motor. Adopting the technical scheme of the present invention, it has both low-speed and high-torque characteristics and high-speed operation At the same time, it can solve the problem of high efficiency requirements in the wide speed range of the driving motor. It has the characteristics of good dynamic performance, high overall operating efficiency and high reliability, and has good application prospects.

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