CN113890216A - Axial-radial hybrid laminated vernier permanent magnet motor - Google Patents
Axial-radial hybrid laminated vernier permanent magnet motor Download PDFInfo
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- CN113890216A CN113890216A CN202111076229.XA CN202111076229A CN113890216A CN 113890216 A CN113890216 A CN 113890216A CN 202111076229 A CN202111076229 A CN 202111076229A CN 113890216 A CN113890216 A CN 113890216A
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- permanent magnet
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- vernier
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention discloses an axial-radial mixed type laminated vernier permanent magnet motor, which belongs to the field of vernier permanent magnet motors and comprises a stator component and a rotor component, wherein the stator component comprises a stator core and an armature winding, and the rotor component comprises a first permanent magnet, a rotor excitation guide tooth and a rotor yoke part; the side surface of the stator core, which is close to the air gap, is uniformly provided with a plurality of stator main teeth in the circumferential direction, and the armature winding is wound on the periphery of the stator main teeth; the side surface of the rotor yoke part close to the air gap is provided with a plurality of pairs of first permanent magnets and rotor excitation guide teeth in a surrounding mode, and the rotor excitation guide teeth are connected between the first permanent magnets and the side surface of the rotor yoke part; the first permanent magnet is magnetized in the radial direction; the stator iron core and the rotor yoke part are formed by axially laminating first silicon steel sheets with two insulated surfaces; the rotor excitation guide teeth are formed by radially laminating second silicon steel sheets with two insulated surfaces. The vernier permanent magnet motor solves the technical problems of low power factor, easy saturation of a magnetic circuit and poor overload capacity of the existing vernier permanent magnet motor due to strong armature reaction.
Description
Technical Field
The invention belongs to the technical field of permanent magnet motors, and particularly relates to an axial-radial hybrid laminated vernier permanent magnet motor.
Background
A vernier permanent magnet motor is a permanent magnet motor based on a magnetic field modulation principle, has the characteristics of high torque density, high power density, low torque pulsation and the like, and has great application value in the field of low-speed high-torque direct drive.
The vernier permanent magnet motor has a similar physical structure with a conventional permanent magnet motor, and is composed of a stator iron core, a stator armature winding, a rotor iron core and a rotor permanent magnet. In particular, the vernier permanent magnet motor adopts an open slot stator structure, and the number of pole pairs P of a stator armature magnetic fieldaNumber of pole pairs P with rotor permanent magnetrNot equal. Wherein the number of pole pairs is PaThe stator armature magnetic field can generate the pole pair number P of the permanent magnet through the magnetic conductance modulation of the fundamental wave of the stator teeth ZrThe same magnetic field; in addition, the stator armature magnetic field also comprises a pole pair number Z-PaThe tooth harmonic magnetic field can generate the pole pair number P of the rotor permanent magnet through the modulation effect of the constant term magnetic conductance of the stator teethrThe same magnetic field. The modulated armature magnetic field and the rotor magnetic field have the same pole pair number, the same rotating speed and the same rotating direction, can generate stable electromagnetic torque and is regarded as an armature working magnetic field. And the armature working magnetic field has higher amplitude, so that the motor has higher torque density.
However, the number of pole pairs is PaThe stator armature magnetic field of the stator generates P different from the pole pair number of the permanent magnet through the constant term magnetic conductance modulation effect of the stator teeth ZaThe magnetic field is regarded as the armature non-working magnetic field. The armature non-working magnetic field greatly enhances the armature reaction strength of the motor, and on one hand, the magnetic circuit of the vernier permanent magnet motor is easy to saturate and overloadForce difference; on the other hand, the power factor is obviously reduced when the load of the vernier permanent magnet motor is increased, and the capacity of the required driver is greatly improved.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides an axial-radial hybrid laminated vernier permanent magnet motor, so that the technical problems of low power factor, easy saturation of a magnetic circuit and poor overload capacity of the existing vernier permanent magnet motor due to strong armature reaction are solved.
In order to achieve the above object, according to one aspect of the present invention, the following technical solutions are provided:
an axial-radial mixed type laminated vernier permanent magnet motor comprises a stator component and a rotor component which are coaxially sleeved, wherein an air gap is formed between the stator component and the rotor component, the stator component comprises a stator core and an armature winding, the rotor component comprises a first permanent magnet, a rotor excitation guide tooth and a rotor yoke part, wherein,
a plurality of stator main teeth are uniformly arranged on the side surface, close to the air gap, of the stator iron core in the circumferential direction, and the armature winding is wound on the periphery of the stator main teeth;
the side surface of the rotor yoke part close to the air gap is provided with a plurality of pairs of first permanent magnets and rotor excitation guide teeth in a surrounding mode, and the rotor excitation guide teeth are connected between the first permanent magnets and the side surface of the rotor yoke part; the first permanent magnet is magnetized in the radial direction;
the stator core and the rotor yoke are formed by axially laminating first silicon steel sheets with two insulated surfaces; the rotor excitation guide teeth are formed by radially laminating a plurality of second silicon steel sheets with different sizes and insulated on two surfaces, and the first permanent magnet is communicated with a magnetic circuit of the rotor yoke through the second silicon steel sheets.
Preferably, the rotor assembly further comprises a second permanent magnet and a third permanent magnet, wherein,
the second permanent magnet and the third permanent magnet are respectively arranged at the left side and the right side of the first permanent magnet, the second permanent magnet and the third permanent magnet are both magnetized in a tangential direction, the magnetizing directions are opposite and both point to the first permanent magnet, and the first permanent magnet, the second permanent magnet and the third permanent magnet form a magnetic pole;
the middle part of the rotor excitation guide tooth is used for connecting the first permanent magnet with the side surface of the rotor yoke part, the right part of the rotor excitation guide tooth adjacent to the left side and the left side are used for connecting the second permanent magnet with the third permanent magnet on the right part of the rotor excitation guide tooth adjacent to the left side, and the left part of the rotor excitation guide tooth adjacent to the right side and the right side are used for connecting the third permanent magnet with the second permanent magnet on the left part of the rotor excitation guide tooth adjacent to the right side and the left part of the rotor excitation guide tooth adjacent to the right side.
Preferably, the upper surface of the stator main teeth close to the center of the stator is provided with n stator auxiliary teeth which are parallel to the central axis of the stator at non-uniform intervals, and n is more than or equal to 2.
Preferably, the rotor excitation guide teeth are formed in a manner that: and the symmetrical shafts of every two adjacent rotor excitation guide teeth are laminated by U-shaped second silicon steel sheets with the sizes from large to small in a radial direction layer by layer.
Preferably, the first, second and third permanent magnets are all alternately poled halbach-type arranged permanent magnets.
Preferably, the first, second and third permanent magnets are made of neodymium iron boron, samarium cobalt or ferrite.
Preferably, the armature winding is a concentrated armature winding.
Preferably, the armature winding is a three-phase alternating current armature winding.
Preferably, the number of teeth Z of the main teeth of the stator and the number of pole pairs P of the rotorrAnd stator armature winding pole pair number PaThe following relationship is satisfied:
Pa=min{|iZ±Pr|,i=1,3,5...}
wherein, GCD (Z, P)a) And the minimum common divisor of the number of the stator slots and the number of the pole pairs of the armature winding is represented, and min represents the minimum value of all possible values.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1. the invention provides an axial-radial mixed type laminated vernier permanent magnet motor.A rotor excitation guide tooth is designed to connect a first permanent magnet with a rotor yoke part, the rotor excitation guide tooth is formed by radially laminating a plurality of second silicon steel sheets with different sizes and insulated on two surfaces, and the first permanent magnet is communicated with a magnetic circuit of the rotor yoke part through the second silicon steel sheets; in this way, the armature working magnetic field, namely the magnetic field with the same pole pair number as the rotor permanent magnet, has smooth magnetic circuit; and the armature does not work, namely the magnetic field with the same pole pair number as the stator armature winding, and the magnetic circuit is broken. Therefore, the working magnetic field is maintained, the harmonic wave of the non-working magnetic field is greatly reduced, the armature reaction strength of the motor is reduced, and the power factor and the overload capacity of the motor are improved.
2. The invention provides an axial-radial mixed laminated vernier permanent magnet motor, which adopts a first permanent magnet, a second permanent magnet and a third permanent magnet to form a magnetic pole, the first permanent magnet is connected with a rotor yoke part through a rotor excitation guide tooth and is communicated with a magnetic circuit, the second permanent magnet is connected with the third permanent magnet on the left adjacent rotor excitation guide tooth, and the third permanent magnet is connected with the second permanent magnet on the right adjacent rotor excitation guide tooth; in this way, the excitation working magnetic field, namely the magnetic field of the pole pair number of the permanent magnet at the rotor side is enhanced, so that the excitation capacity of the motor is further improved, and the torque output capacity of the motor is improved.
3. According to the axial-radial mixed type laminated vernier permanent magnet motor, n parallel stator auxiliary teeth are arranged on the upper surface of the stator main tooth to form a split tooth stator structure, the centralized armature winding is wound on the periphery of the stator main tooth, the length of the end part of the winding is greatly reduced, and therefore the efficiency and the torque density of the motor are improved.
4. The axial-radial mixed type laminated vernier permanent magnet motor provided by the invention is designed with a split tooth stator structure, the span and the number of teeth of the stator auxiliary teeth can be flexibly selected, the utilization of multi-magnetic-conductance harmonic waves can be realized, the selection range of the wide pole ratio is widened, and the torque density of the motor is further improved.
5. According to the axial-radial hybrid laminated vernier permanent magnet motor, the first permanent magnet, the second permanent magnet and the third permanent magnet are arranged in a Halbach type, and higher magnetic density can be realized under the same permanent magnet consumption, so that the torque density is improved.
Drawings
FIG. 1 is a schematic diagram of the stator structure of an axial-radial hybrid laminated vernier permanent magnet machine in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the rotor structure of an axial-radial hybrid laminated vernier permanent magnet machine according to a preferred embodiment of the present invention;
fig. 3 is a schematic view of the connection of radially laminated rotor excitation guide teeth with first, second and third permanent magnets and a rotor yoke portion in the preferred embodiment of the invention.
The same reference numbers will be used throughout the drawings to refer to the same elements or structures, wherein: 1-stator core, 11-stator main tooth, 12-stator auxiliary tooth, 2-armature winding, 3-first permanent magnet, 4-rotor excitation guide tooth, and 5-rotor yoke.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present invention are used for distinguishing between different objects and not necessarily for describing a particular sequential order. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides an axial-radial hybrid laminated vernier permanent magnet motor, including a stator assembly and a rotor assembly coaxially sleeved together, where an air gap is formed between the stator assembly and the rotor assembly, the stator assembly includes a stator core 1 and an armature winding 2, and the rotor assembly includes a first permanent magnet, a rotor excitation leading tooth 4, and a rotor yoke 5.
A plurality of stator main teeth 11 are uniformly arranged on the side surface of the stator core 1 close to the air gap in the circumferential direction, and the armature winding 2 is wound on the periphery of the stator main teeth 11.
The side surface of the rotor yoke part 5 close to the air gap is provided with a plurality of pairs of first permanent magnets and rotor excitation guide teeth 4 in a surrounding mode, and the rotor excitation guide teeth 4 are connected between the first permanent magnets and the side surface of the rotor yoke part 5; the first permanent magnet is radially magnetized.
The stator core 1 and the rotor yoke part 5 are formed by axially laminating first silicon steel sheets with two insulated surfaces; the rotor excitation guide teeth 4 are formed by radially laminating a plurality of second silicon steel sheets with different sizes and insulated on two surfaces, and the first permanent magnet is communicated with the rotor yoke part 5 through a magnetic circuit of the second silicon steel sheets.
As an alternative embodiment, the rotor assembly further comprises a second permanent magnet and a third permanent magnet, wherein,
the second permanent magnet and the third permanent magnet are respectively arranged at the left side and the right side of the first permanent magnet, the second permanent magnet and the third permanent magnet are both magnetized in a tangential direction, the magnetizing directions are opposite and both point to the first permanent magnet, and the first permanent magnet, the second permanent magnet and the third permanent magnet form a magnetic pole;
the middle part of the rotor excitation guide tooth 4 connects the first permanent magnet with the side surface of the rotor yoke part 5, the right part of the rotor excitation guide tooth adjacent to the left part connects the second permanent magnet with the third permanent magnet on the right part of the rotor excitation guide tooth adjacent to the left part, and the left part of the rotor excitation guide tooth adjacent to the right part connects the third permanent magnet with the second permanent magnet on the left part of the rotor excitation guide tooth adjacent to the right part.
The design of the rotor excitation guide teeth ensures that an armature working magnetic field, namely the magnetic field with the same pole pair number as the rotor permanent magnet, has a smooth magnetic circuit; and the armature does not work, namely the magnetic field with the same pole pair number as the stator armature winding, and the magnetic circuit is broken. Therefore, the working magnetic field is maintained, the harmonic wave of the non-working magnetic field is greatly reduced, the armature reaction strength of the motor is reduced, and the power factor and the overload capacity of the motor are improved.
As shown in fig. 3, in the embodiment of the present invention, the rotor excitation guide teeth 4 are formed in the following manner: and the symmetrical shafts of every two adjacent rotor excitation guide teeth 4 are laminated by U-shaped second silicon steel sheets with the sizes from large to small in a radial direction layer by layer.
As an alternative embodiment, the upper surface of the stator main teeth 11 close to the center of the stator assembly is provided with n parallel stator auxiliary teeth 12, and n is more than or equal to 2. Preferably, when n ≧ 3, the n stator auxiliary teeth 12 are disposed at non-uniform intervals.
As an optional implementation manner, the first, second and third permanent magnets are all permanent magnets arranged in an alternating polar halbach type, and are made of neodymium iron boron, samarium cobalt or ferrite. The material of the rotor excitation guide teeth 4 is ferromagnetic material.
As an alternative embodiment, the armature winding 2 is a three-phase ac armature winding, preferably a concentrated armature winding.
In the embodiment of the invention, 6 stator main teeth 11 are provided, 12 stator auxiliary teeth 12 are provided, the number of pole pairs of the permanent magnet is 20, and the number of pole pairs of the armature winding is 2. Number of teeth Z of stator main teeth and number of pole pairs P of permanent magnetsrAnd number of pole pairs P of armature windingaThere are many possibilities to satisfy the following relationship:
Pa=min{|iZ±Pr|,i=1,3,5...}
wherein, GCD (Z, P)a) And the minimum common divisor of the number of the stator slots and the number of the pole pairs of the armature winding is represented, and min represents the minimum value of all possible values.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. An axial-radial mixed type laminated vernier permanent magnet motor comprises a stator component and a rotor component which are coaxially sleeved, wherein an air gap is formed between the stator component and the rotor component, the stator component comprises a stator core (1) and an armature winding (2), the axial-radial mixed type laminated vernier permanent magnet motor is characterized in that the rotor component comprises a first permanent magnet, a rotor excitation guide tooth (4) and a rotor yoke part (5),
a plurality of stator main teeth (11) are uniformly arranged on the side surface, close to the air gap, of the stator iron core (1) in the circumferential direction, and the armature winding (2) is wound on the periphery of the stator main teeth (11);
the side surface, close to an air gap, of the rotor yoke part (5) is provided with a plurality of pairs of first permanent magnets and rotor excitation guide teeth (4) in a surrounding mode, and the rotor excitation guide teeth (4) are connected between the first permanent magnets and the side surface of the rotor yoke part (5); the first permanent magnet is magnetized in the radial direction;
the stator iron core (1) and the rotor yoke part (5) are formed by axially laminating first silicon steel sheets with two insulated surfaces; the rotor excitation guide teeth (4) are formed by radially laminating a plurality of second silicon steel sheets with different sizes and insulated on two surfaces, and the first permanent magnet is communicated with the rotor yoke portion (5) through a magnetic circuit of the second silicon steel sheets.
2. The axial-radial hybrid laminated vernier permanent magnet machine of claim 1, wherein the rotor assembly further comprises a second permanent magnet and a third permanent magnet, wherein,
the second permanent magnet and the third permanent magnet are respectively arranged at the left side and the right side of the first permanent magnet, the second permanent magnet and the third permanent magnet are both magnetized in a tangential direction, the magnetizing directions are opposite and both point to the first permanent magnet, and the first permanent magnet, the second permanent magnet and the third permanent magnet form a magnetic pole;
the middle part of rotor excitation guide teeth (4) is used for connecting the first permanent magnet with the side surface of the rotor yoke part (5), the right part of the rotor excitation guide teeth adjacent to the left side and the left side are used for connecting the second permanent magnet with the third permanent magnet on the right part of the rotor excitation guide teeth adjacent to the left side, and the left part of the rotor excitation guide teeth adjacent to the right side and the right side are used for connecting the third permanent magnet with the second permanent magnet on the left part of the rotor excitation guide teeth adjacent to the right side.
3. The axial-radial hybrid laminated vernier permanent magnet motor as claimed in claim 1 or 2, wherein the upper surface of the stator main teeth (11) close to the stator assembly center is provided with n stator auxiliary teeth (12) which are not uniformly spaced and are parallel to the stator central axis, and n is more than or equal to 2.
4. An axial-radial hybrid laminated vernier permanent magnet machine according to claim 1, characterized in that the rotor excitation guide teeth (4) are shaped in such a way that: and the symmetrical shafts of every two adjacent rotor excitation guide teeth (4) are laminated by U-shaped second silicon steel sheets with the sizes from large to small in a radial direction layer by layer.
5. The axial-radial hybrid laminated vernier permanent magnet machine of claim 2 wherein the first, second and third permanent magnets are alternately poled halbach aligned permanent magnets.
6. The axial-radial hybrid laminated vernier permanent magnet machine of claim 5 wherein the first, second and third permanent magnets are neodymium iron boron, samarium cobalt or ferrite.
7. An axial-radial hybrid laminated vernier permanent magnet machine according to any of claims 1 to 6, characterized in that the armature winding (2) is a concentrated armature winding.
8. An axial-radial hybrid laminated vernier permanent magnet machine according to claim 7, characterized in that the armature winding (2) is a three-phase alternating current armature winding.
9. The axial-radial hybrid laminated vernier permanent magnet machine as claimed in any of claims 1 to 6, wherein the number of teeth of the stator main teeth Z and the number of pole pairs P of the rotor PrAnd the pole pair number P of the stator armature winding (2)aThe following relationship is satisfied:
Pa=min{|iZ±Pr|,i=1,3,5...}
wherein, GCD (Z, P)a) And the minimum common divisor of the number of the stator slots and the number of the pole pairs of the armature winding is represented, and min represents the minimum value of all possible values.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107026518A (en) * | 2016-01-29 | 2017-08-08 | 浙江三花汽车零部件有限公司 | Stator module and motor and electronic pump with the stator module |
CN107070165A (en) * | 2017-02-27 | 2017-08-18 | 华中科技大学 | A kind of flux-reversal type permanent-magnetism linear motor and its application |
CN108199505A (en) * | 2017-12-29 | 2018-06-22 | 上海英磁新能源科技有限公司 | A kind of orientation silicon steel stator core and preparation method thereof |
CN110611384A (en) * | 2019-09-12 | 2019-12-24 | 华中科技大学 | Magnetic circuit decomposition type vernier permanent magnet motor |
CN111277056A (en) * | 2018-12-04 | 2020-06-12 | 常州威灵电机制造有限公司 | Stator core and motor |
-
2021
- 2021-09-14 CN CN202111076229.XA patent/CN113890216A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107026518A (en) * | 2016-01-29 | 2017-08-08 | 浙江三花汽车零部件有限公司 | Stator module and motor and electronic pump with the stator module |
CN107070165A (en) * | 2017-02-27 | 2017-08-18 | 华中科技大学 | A kind of flux-reversal type permanent-magnetism linear motor and its application |
CN108199505A (en) * | 2017-12-29 | 2018-06-22 | 上海英磁新能源科技有限公司 | A kind of orientation silicon steel stator core and preparation method thereof |
CN111277056A (en) * | 2018-12-04 | 2020-06-12 | 常州威灵电机制造有限公司 | Stator core and motor |
CN110611384A (en) * | 2019-09-12 | 2019-12-24 | 华中科技大学 | Magnetic circuit decomposition type vernier permanent magnet motor |
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