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A switched reluctance motor module and motor

A technology of switched reluctance motor and motor module, which is applied in the direction of AC motor control, synchronous motor for single-phase current, electromechanical device, etc. The density has not been fundamentally improved, and the output torque pulsation is large, achieving the effects of easy maintenance, low-cost safety redundancy combination, and high power density

Active Publication Date: 2020-07-10
王京华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These technical solutions all adopt the method of multi-stage single-machine series connection, and use at least 3 or more switched reluctance motor working stages in coaxial series connection, although they all solve the problem of traditional switched reluctance motor technology output torque The defects of large pulsation and relatively large vibration noise also make the mechanical structure and control system of the switched reluctance motor or the motor unit more complicated. improved but not fundamentally

Method used

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  • A switched reluctance motor module and motor
  • A switched reluctance motor module and motor
  • A switched reluctance motor module and motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] In this embodiment, the switched reluctance motor module adopts an axial excitation method.

[0046] The rotor assembly includes a rotor body 8 on which a plurality of rotor salient poles 5 are uniformly arranged along its circumferential surface. The salient poles of the rotor 5 are U-shaped or C-shaped rotor cores, and the center line of the two protruding ends of the rotor core is parallel to the central axis of the rotor body 8 and installed along the central axis of the rotor body 8 .

[0047] The stator assembly 9 includes a plurality of stator salient poles, and the stator salient poles include a stator core and a stator coil fixedly installed on the stator core. The stator core of the stator salient pole is an inverted U-shaped or inverted C-shaped stator core, and the stator coil is wound on the upper transverse section of the inverted U-shaped or inverted C-shaped stator core. A line connecting the centers of the two protruding ends of the stator core is para...

Embodiment 2

[0062] Such as image 3 As shown, the difference from Embodiment 1 is that the switched reluctance motor of this embodiment adopts an independent excitation mode. The rotor salient pole 5 is a rotor core with a magnetic pot core structure, the stator salient pole stator core is a magnetic pot core structure stator core, and the stator coil is fixed on the central column of the magnetic pot stator core.

[0063] It should be noted that, in this embodiment, the number of rotor salient poles 5 is N, and N is an integer greater than or equal to 2. Correspondingly, when the two sensors are arranged along the radial direction of the circumference of the end cap, the inner code line 3-3 group and the outer code line 3-2 group of the code disc 3 both include N codes uniformly distributed along their respective circumferences. line, and the coding lines of the 3-3 groups of the inner coding line and the coding lines of the 3-2 group of the outer coding line are staggered at an angle o...

Embodiment 3

[0065] Such as Figure 4 As shown, the difference from Embodiment 1 is that the switched reluctance motor of this embodiment adopts a radial excitation method. The stator assembly 9 includes two first stator subassemblies and second stator subassemblies with the same structure; both the first stator subassembly and the second stator subassembly include M uniformly distributed along the central axis of the rotor body 8 as the axis of symmetry. Stator sub-salient poles 9-1, and the first stator sub-assembly and the second stator sub-assembly are arranged in parallel and staggered at an angle of π / M on the circumference outside the rotor assembly, the first stator sub-assembly and the second stator sub-assembly The projection number of all the stator salient poles 9-1 along the rotor axis direction is 2M, the magnetic poles of the adjacent stator salient poles 9-1 in the first stator subassembly are opposite in polarity, and the adjacent stator salient poles 9-1 in the second sta...

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Abstract

The invention discloses a switch reluctance motor module and a motor. The switch reluctance motor module comprises a salient pole type stator assembly and a salient pole type rotor assembly, and is characterized in that the rotor assembly comprises a rotor body, and a plurality of rotor salient poles are uniformly arranged on the rotor body along the circumferential surface of the rotor body; thestator assembly comprises a plurality of stator salient poles, the stator salient poles comprise stator cores and stator coils, and the stator coils are fixedly mounted on the stator cores; the multiple stator salient poles are uniformly distributed on a circumference outside the rotor assembly around the central axis, which is used as a symmetry axis, of the rotor body; the quantity of the statorsalient poles is twice the quantity of the rotor salient poles; the corresponding stator coils are connected with each other to form a motor excitation group at the interval of each stator salient pole, and totally two motor excitation groups are formed by the switch reluctance motor module. The motor comprises at least two switch reluctance motor modules. The switch reluctance motor module and the motor have the advantages of high power density and adaptability, extensibility and low cost.

Description

technical field [0001] The invention relates to the field of motors, in particular to a switched reluctance motor module and a motor. Background technique [0002] Switched reluctance motor is a kind of reluctance motor developed with power electronics technology, and it is a new type of electromechanical integration motor. It has attracted much attention for its high efficiency, fast response, flexible and diverse control methods, and solid structure. The traditional switched reluctance motor is limited by its structure, with low power density, large output torque pulsation, relatively large vibration and noise, and relatively high manufacturing cost, which affects the popularization and application of this type of motor. Aiming at the deficiencies of the traditional switched reluctance motor motor technology, several improved solutions have been successively introduced and disclosed in this technical field. In summary, there are single-phase multi-stage technical schemes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K29/00H02K19/12H02K29/06H02K1/14H02K1/24H02P25/08
CPCH02K1/14H02K1/24H02K19/12H02K29/00H02K29/06H02K2213/03H02P25/08
Inventor 王京华
Owner 王京华
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