Doubly salient motor

Abstract

The invention discloses a doubly salient motor. The doubly salient motor comprises a primary part and a secondary part of salient structures respectively, wherein the primary part comprises primary iron cores, primary windings and excitation devices, each primary iron core comprises primary iron core teeth and primary iron core yokes, each primary iron core is of a U-shaped structure or an E-shaped structure, the primary windings are arranged in primary iron core grooves formed among the primary iron core teeth, the primary windings adopt centralized armature windings, and the excitation devices are excitation windings or magnetic poles; the secondary part comprises secondary iron cores and secondary windings, each secondary iron core comprises secondary iron core teeth and secondary ironcore yokes, the secondary windings are arranged in secondary iron core grooves formed among the secondary iron core teeth, and the secondary windings adopt centralized armature windings. The primary level of space is utilized sufficiently, the torque density of the motor is increased in a breakthrough mode, and the hot spot effect of the temperature of the motor is alleviated obviously.

Description

Technical field [0001] The invention relates to the technical field of motors, in particular to a double salient pole motor. Background technique [0002] With the continuous advancement of global science and technology and the rapid development of industrial production, human demand for power plants is increasing. With the increasing emphasis on environmental protection, human research on environmental protection and energy-saving technologies is also constantly advancing, actively exploring high-efficiency energy conversion devices. As a device that generates torque by converting electrical energy into mechanical energy, the motor plays an irreplaceable role in various fields. On the other hand, generators can convert mechanical energy into electrical energy, which is a necessary guarantee for human activities. Therefore, developing new motors, improving the performance of existing motors, and improving the efficiency and output of motors are of vital importance to human prog...

AI Technical Summary

Problems solved by technology

There is a certain bottleneck in the increase of the torque density of the doubly salient motor. The increase of the electrical load will also bring about problems such as an increase in the temperature of the winding, and the high temperature of the permanent magnet is easy to demagnetize, which greatly increases the difficulty of heat dissipation design.

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