Short magnetic circuit mixing exciting switch Magnet resistance motor

A switched reluctance motor, hybrid excitation technology, applied in the magnetic circuit static parts, magnetic circuit rotating parts, magnetic circuit shape/style/structure and other directions, can solve the problems of reduced space utilization, uneven torque, etc. Achieve the effect of improving efficiency, reducing torque ripple and improving space utilization

Inactive Publication Date: 2006-06-14
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of reduced space utilization and unsmooth torque of the hybrid excitation switched reluctance motor, the present invention provides a short magnetic circuit hybrid excitation switched reluctance motor

Method used

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  • Short magnetic circuit mixing exciting switch Magnet resistance motor
  • Short magnetic circuit mixing exciting switch Magnet resistance motor

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specific Embodiment approach 1

[0007] Specific implementation mode one: combine figure 1 , figure 2 Describe this embodiment, this specific embodiment is made up of stator 1, rotor 2, exciting winding 3 and a plurality of permanent magnets 4; A deep groove 2-1, the length direction of the deep groove 2-1 is parallel to the rotation axis of the rotor 2 and runs through the outer cylindrical surface of the rotor 2; the stator 1 is a cylindrical sleeve made of magnetically conductive material, and the stator 1 is set on the rotor 2, and an air gap 5 is provided between the inner cylindrical surface of the stator 1 and the outer cylindrical surface of the rotor 2, and the axis of the stator 1 coincides with the rotation axis of the rotor 2; the inner cylinder of the stator 1 A plurality of stator slots 1-1 are evenly opened on the surface, the length direction of the stator slots 1-1 is parallel to the axis line of the stator 1 and runs through the inner cylindrical surface of the stator 1, and the pole betwe...

specific Embodiment approach 2

[0008] Embodiment 2: In this embodiment, the stator 1 is made of superimposed silicon steel sheets, and the rotor 2 is made of superimposed silicon steel sheets. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0009] Embodiment 3: The direction of the magnetic force lines generated by the excitation winding 3 in this specific embodiment is consistent with the direction of the magnetic force lines of the permanent magnet 4 . Other compositions and connections are the same as in the first embodiment. The invention organically combines the permanent magnet tangential excitation circuit with the electric excitation circuit.

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Abstract

This invention relates to a short magnet circuit mixed excitation switch magnetic resistance motor, in which, multiple stator slots are opened on the internal cylinder surface uniformly, the length direction of the slots are parallel to the axial lead and through the surface of the internal cylinder, the thickness of the pole body between every two slots is the same, a magnet is inserted in each slot, the N pole and the S pole of the magnet are connected with the two vertical wall faces of the slots and an excitation winding is winded on the root of each pole body of the stator.

Description

technical field [0001] The invention relates to a hybrid excitation switched reluctance motor and belongs to the field of motors. Background technique [0002] In the existing switched reluctance motor, its stator and rotor are salient pole structures, and the stator poles interact with the rotor poles to generate torque by sequentially energizing the stator excitation windings. Since there are neither windings nor permanent magnets on the rotor, the structure of the motor is simple and the operation is reliable. But precisely because neither the stator nor the rotor uses permanent magnets, in order to obtain a large output torque, a large excitation power is required, which not only limits the performance-to-volume ratio of the motor, but also increases the cost of the drive system. The patent with the publication number CN1560987A provides a hybrid excitation switched reluctance motor. Although it can solve the above problems, its stator slots are divided into wide slots ...

Claims

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Application Information

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IPC IPC(8): H02K1/17H02K1/22H02K15/02
Inventor 寇宝泉谢大纲李立毅程树康
Owner HARBIN INST OF TECH
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