CN108429420A - A kind of asymmetric double three-phase camber line permanent magnet synchronous motor - Google Patents
A kind of asymmetric double three-phase camber line permanent magnet synchronous motor Download PDFInfo
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- CN108429420A CN108429420A CN201810159260.1A CN201810159260A CN108429420A CN 108429420 A CN108429420 A CN 108429420A CN 201810159260 A CN201810159260 A CN 201810159260A CN 108429420 A CN108429420 A CN 108429420A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
-
- 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]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
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- 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
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- 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
- H02K2213/12—Machines characterised by the modularity of some components
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a kind of asymmetric double three-phase camber line permanent magnet synchronous motors, the motor includes stator combination (I) and rotor (IV) two parts, three stator combinations (I) form camber line structure on the outer circumference of rotor (IV), each stator combination (I) includes that a 12 slot stator modules (II) and a 9 slot stator modules (III) are disposed side by side on the circumference of rotor (IV) outside；12 slot stator modules (II) form 12 slot, 10 pole unit motor with rotor (IV), and 9 slot stator modules (III) blocks form 9 slot, 8 pole unit motor with rotor (IV)；Stator combination (I) collectively forms double three-phase machine with rotor (IV)；Rotor is arranged using built-in " V " type permanent magnet, and poly- magnetic effect is strong, can effectively promote main flux, improves the torque density of motor；Permanent magnet constitutes 120 pairs of poles so that motor has the characteristics that low speed high torque, is applied to the direct driving field conjunction of low speed high torque and heavy caliber astronomical telescope drives occasion.
Description
Technical field
The present invention relates to asymmetric double three-phase camber line permanent magnet synchronous motor, be applied to the direct driving field of low speed high torque close with
And heavy caliber astronomical telescope drives occasion.
Background technology
Heavy caliber astronomical telescope plays a crucial role during mankind's exploration of the universe, it be integrated with it is astronomical,
Optics, mechanics, computer, automatically control with the technologies such as precision machinery, to driving precision have high requirement.Usually large size day
The rack of literary telescope weigh it is hundreds of to thousands of tons of, volume is big, load resultant couple influenced by telescope posture and environment it is very big,
For the control system influence for simplifying telescope configuration, reducing structure inertia square, the pitch axis of heavy caliber astronomical telescope is all adopted
With Open architecture, such as the VLT telescopes of European Southern Observatory, China greatly telescope CFGT.
Currently, heavy caliber astronomical telescope mainly has gear drive, frictional drive and directly drives and torque motor is same
Axis installation transmission, but the shortcomings such as these traditional kinds of drive have this cost height, efficiency is low.With science and technology
Further development, the spliced arc-shape motor drive mode suitable for heavy caliber astronomical telescope are suggested, this kind of drive
It has been successfully applied to VLT telescopes (8.2m), the Hispanic GTC telescopes (10.4m) etc. of European Southern Observatory.Together
When, the colleges and universities such as domestic Chinese Academy of Sciences's astronomicalc optics research institute, photoelectric technology research institute of the Chinese Academy of Sciences, Southeast China University and R＆D institution are also right
This kind of drive has made intensive studies.Chinese patent (the patent No.：CN2015102840353.7 a kind of astronomical prestige) is disclosed
Remote mirror can not only save material with three-dimensional air gap Halbach permanent magnetism arc-shaped motor and control method, the electric machine structure, and
Torque density can be promoted, while Halbach structure can be torque pulsation inhibited.Chinese patent (the patent No.：
201110168527.1) a kind of Multi-stator arc motor control method for large telescope is disclosed, torque fluctuations are eliminated,
And meet requirement of the motor to wide range speed control, high-precision rotary.Compared to traditional astronomical telescope driving motor, using camber line electricity
Machine can reduce manufacturing cost on the basis of meeting torque requirement, improve torque density, and installation is facilitated to manufacture.Together
When, using innovative approach such as three-dimensional gap structure and control methods, the torque density of motor can be promoted and reduce torque fluctuations.
However, the method by changing motor topology, camber line permanent magnet synchronous motor still have in torque density, torque fluctuations etc.
The space that can be advanced optimized.
Invention content
Technical problem：The purpose of the present invention is to propose to a kind of asymmetric double three-phase camber line permanent magnet synchronous motor, which adopts
With camber line structure, the torque density and power density of motor are improved, manufacturing cost is saved, facilitates manufacture, transport and installation；
The asymmetric double three-phase camber line permanent magnet synchronous motor have higher torque density, operational efficiency, lower torque pulsation, and
Good running stability, reliability, can be applied to the direct driving field conjunction of low speed high torque and heavy caliber astronomical telescope drives
Dynamic occasion.
Technical solution：In order to further increase driving capability, the traveling comfort of heavy caliber astronomical telescope motor
And reliability, the present invention propose that a kind of asymmetric double three-phase camber line permanent magnet synchronous motor, three groups of stator combinations are circumferentially uniform
It arranges, the uneven arrangement form unsymmetric structure of two kinds of stator modules in stator combination, to reduce the torque fluctuations of motor；Herein
On the basis of, increase assist tooth in the end of each stator core, tooth top applies the permanent magnet of low magnetic energy product, keeps motor magnetic circuit complete
It is whole, torque fluctuations caused by end effect are reduced, the stationarity of motor is improved.Two kinds of stator modules coils use concentratred winding
Mode connects, and reduces overhang, reduces the loss of motor；Meanwhile the same stator combination inner stator armature coil is respectively
Three-phase is connected into, stator armature coil not of the same race connects three-phase in pairs, improves the fault-tolerant ability of motor, can realize that redundancy is transported
Row, promotes the reliability of motor operation.Rotor uses " V " type permanent magnet arrangement mode, and adds increase magnetic bridge in permanent magnet, carries
High air gap flux density reduces leakage field, effectively promotes the torque density of motor.
A kind of asymmetric double three-phase camber line permanent magnet synchronous motor of the present invention includes stator combination and rotor two parts, three
Stator combination forms camber line structure on the circumference outside rotor, each stator combination includes a 12 slot stator modules and one
9 slot stator modules are disposed side by side on the circumference outside rotor；12 slot stator modules include 12 slot stator cores, 12 slot armature lines
Circle, 12 slot assist tooths and the low magnetic energy product permanent magnet of 12 slots；12 slot armature coils are located in 12 slots in 12 slot stator cores,
12 slot assist tooths are located at 12 slot stator core both sides, and the low magnetic energy product permanent magnet of 12 slots is located at the tooth top of 12 slot assist tooths；9 slot stators
Module includes 9 slot stator cores, 9 slot armature coils, 9 slot assist tooths and the low magnetic energy product permanent magnet of 9 slots, 9 slot armature coil positions
In in the slot in 9 slot stator cores, 9 slot assist tooths are located at the both sides of 9 slot stator cores, and the low magnetic energy product permanent magnet of 9 slots is located at 9 slots
The tooth top of assist tooth；12 slot stator modules form 12 slot, 10 pole unit motor with rotor, and 9 slot stator modules blocks form 9 with rotor
8 pole unit motor of slot；Stator combination collectively forms double three-phase machine with rotor；Rotor includes rotor permanent magnet, magnetic bridge and turns
Sub- iron core, rotor permanent magnet are built in rotor core circumferentially uniformly arrangement, and adjacent two rotor permanent magnets polarity is on the contrary, structure
Pole in a pair forms 120 pairs of poles on circumference, applies magnetic bridge between permanent magnet.
Wherein,
Three stator combinations uniform array on the circumference outside rotor is arranged in arc line type, with the common structure of rotor
At arc electric motor.
Each described stator combination includes two kinds of stator modules of a 12 slot stator modules and a 9 slot stator modules
Composition；Module of the same race in three stator combinations is circumferentially evenly distributed, module not of the same race circumferentially uneven arrangement, shape
At the unsymmetric structure of the uneven arrangement of disparate modules.
12 slot armature coil of the same stator combination inner stator and 9 slot armature coils respectively connect into three-phase, this two kinds fixed
Sub- armature coil connects three-phase in pairs, and stator combination collectively forms double three-phase machine with rotor.
The 12 slot armature coils and 9 slot armature coils are all made of concentratred winding.
12 slot stator cores have 12 slot assist tooths and 9 slot assist tooths respectively with 9 slot stator cores in both side ends, in 12 slots
The tooth top of assist tooth and 9 slot assist tooths is placed with the low magnetic energy product permanent magnet of 12 slots and the low magnetic energy product permanent magnet of 9 slots respectively.
Rotor permanent magnet is arranged using internal type V, and two permanent magnet polarities are on the contrary, two permanent magnets in rotor permanent magnet
Between apply the magnetic bridge that is made of non-magnet material or air.
12 slot stator cores, 9 slot stator cores and rotor core are overrided to form by silicon steel sheet grade high performance permeability magnetic material.
Rotor permanent magnet is made of neodymium iron boron；The low magnetic energy product permanent magnet of 12 slots and the low magnetic energy product permanent magnet (8) of 9 slots are by aluminium nickel
Cobalt magnetic material material is constituted.
Magnetic bridge is made of magnetic separator or air.
Advantageous effect：Since the motor is camber line structure, and stator modules asymmetric geometry not of the same race is used, and turned
Son is arranged using " V " type permanent magnet, therefore this magnetic asymmetric double three-phase camber line permanent magnet synchronous motor has the following advantages that：Motor
Using camber line structure, the torque density and power density of motor are improved, manufacturing cost is saved, facilitates manufacture, transport and peace
Dress；The uneven arrangement of stator modules not of the same race in the same stator combination so that motor higher hamonic wave is spatially cancelled out each other,
Reduce torque fluctuations of the arc electric motor caused by stator end；On this basis, increase assist tooth in End zone of stator core, and
Apply low magnetic energy product permanent magnet in tooth top so that motor magnetic circuit is complete, further decreases the torque wave of motor, promotes motor operation
Stationarity；The same stator combination inner stator armature coil respectively connects into three-phase, and two kinds of stator armature coil connections are in pairs
Three-phase, stator combination collectively form double three-phase machine with rotor, improve the fault-tolerant ability of motor, it can be achieved that redundancy running, carries
The reliability of motor operation is risen；Stator modules coil is all made of concentratred winding, effectively reduces end turn, reduces damage
Consumption promotes electric efficiency；It is arranged using " V " type permanent magnet on rotor, air gap flux density can be promoted, and then promote the output of motor
Torque applies magnetic bridge between permanent magnet, obstructs interelectrode magnetic leakage, improves the utilization rate of permanent magnet, the torque for improving motor is close
Degree.Therefore, which has higher torque density, operational efficiency, lower torque
Pulsation and good running stability, reliability can be applied to the direct driving field conjunction of low speed high torque and heavy caliber astronomical
Telescope drives occasion.
Description of the drawings
Fig. 1 is asymmetric double three-phase camber line permanent magnetic synchronous motor structure schematic diagram；
Fig. 2 is asymmetric double three-phase arc line type permanent-magnetic synchronous motor stator built-up section schematic diagram；
Fig. 3 is 12 slot stator modules partial schematic diagram of asymmetric double three-phase arc line type permanent magnet synchronous motor；
Fig. 4 is 9 slot stator modules partial schematic diagram of asymmetric double three-phase camber line permanent magnet synchronous motor；
Fig. 5 is asymmetric double three-phase camber line permanent-magnetic synchronous motor rotor partial schematic diagram；
Wherein have：Stator combination I, 12 slot stator modules II, 9 slot stator modules III, rotor IV；
12 slot stator cores 1,12 slot armature coils 2,12 slot assist tooths 3, the low magnetic energy product permanent magnet 4 of 12 slots, 9 slot stator iron
The heart 5,9 slot armature coils 6,9 slot assist tooths 7, the low magnetic energy product permanent magnet 8 of 9 slots, rotor permanent magnet 9, magnetic bridge 10, rotor core
11。
Specific implementation mode
The asymmetric double three-phase camber line permanent magnet synchronous motor, specific implementation mode is as shown in Figure 1, main includes fixed
Sub-portfolio I, rotor IV two parts.
Stator combination part 12 slot stator modules II and 9 slot stator modules III as shown in Fig. 2, be made of.
12 slot stator modules parts are as shown in figure 3, by 12 slot stator cores 1,12 slot armature coils 2,12 slot assist tooth, 3 and
The low magnetic energy product permanent magnet 4 of 12 slots is constituted.
9 slot stator modules parts are as shown in figure 4, by 9 slot stator cores 5,9 slot armature coils 6,9 slot assist tooths 7 and 9 slots
Low magnetic energy product permanent magnet 8 is constituted.
Rotor portion " V " type arrangement permanent magnet 9, magnetic bridge 10 and rotor core 11 as shown in figure 5, be made of.
The asymmetric double three-phase camber line permanent magnet synchronous motor, the motor use camber line structure, are meeting motor output
In the case of torque, three groups of stator combination I are taken, circumferentially uniformly arrangement, is separated by mutually 120 °, and relative position remains unchanged, and one
A stator combination is made of a 12 slot stator modules 1 and a 9 slot stator modules 5, and the torque which improves motor is close
Degree and power density save manufacturing cost, facilitate manufacture, transport and installation.
The asymmetric double three-phase camber line permanent magnet synchronous motor, using two kinds of stator modules, i.e. 12 slot stator modules, 1 He
9 slot stator modules 5；Circumferentially, 3 stator combination I circumferentially uniformly arrange, and in the same stator combination I, 12 slots are fixed
Angle between submodule II and 9 slot stator modules III can adjust, and can according to obtain unloaded back-emf highest,
The principle of torque fluctuations minimum calculates the angle, the unsymmetric structure of the uneven arrangement of stator modules not of the same race is formed, in space
Upper Eliminate highter harmonic reduces the torque pulsation caused by arc line type motor end, improves the stationarity of motor operation, favorably
It is precisely controlled in the arc line type motor.
The asymmetric double three-phase arc line type permanent magnet synchronous motor, in 12 slot stator cores 1 and 9 slot stator cores 5
End enables to stator modules end magnetic circuit complete, reduction is imitated by end with not increasing by 12 slot assist tooths 3 and 9 slot assist tooths 7
Answer caused torque pulsation；Meanwhile applying the low magnetic energy product of low 4 and 9 slot of magnetic energy product permanent magnet of 12 slots respectively forever in its auxiliary tooth top
Magnet 8 arranges the stator end magnetic line of force, further promotes the effect of assist tooth, keep motor operation more steady, used permanent magnetism
The magnetic energy product of body is low, can reduce the influence to motor gas-gap and stator magnetic circuit as possible, wherein low magnetic energy product permanent magnet can be adopted
With permanent-magnet materials such as such as alnicos.
The asymmetric double three-phase arc line type permanent magnet synchronous motor, wherein 12 slot stator cores 1 and 9 slot stator cores 5
It is overrided to form by high-performance permeability magnetic material, such as No. ten steel or silicon steel sheet；12 slot armature coils 2 and 9 slot armature coils 6 are adopted
With concentratred winding, end turn is small, reduces loss, promotes motor operation efficiency, saves cost, while coil uses copper material
Material, good conductivity and thermal coefficient is big.
The asymmetric double three-phase camber line permanent magnet synchronous motor, 12 slot armature coils 2 and 9 in the same stator combination I
Slot armature coil 6 respectively connects into three-phase, and two kinds of stator armature coils connect three-phase in pairs, and stator combination I and rotor IV are common
Double three-phase machine is constituted, in the case where ensureing that motor torque density is constant, improves the fault-tolerance and reliability of motor, motor event
When barrier, motor can realize redundancy running；Each three alternate not mutual linkages, help to be precisely controlled motor, can realize electricity
Machine redundancy running can realize that winding switches, ensure the steady reliability service of motor in motor phase fault and module failure；Institute
The double three-phases constituted are conducive to the ripple frequency for increasing electromagnetic torque, reduce torque pulsation, and then low speed is running shakes for reduction
Dynamic and noise.
The asymmetric double three-phase camber line permanent magnet synchronous motor, rotor permanent magnet 9 are evenly distributed along the periphery, every block of permanent magnetism
Central angle corresponding to body is equal, and adjacent two permanent magnet polarity is identical, forms " V " type, two adjacent groups " V " type permanent magnet polarity phase
Instead, a pair of of pole is formed, is alternately arranged, rotor permanent magnet 9 forms 120 pairs of poles on a circumference；Air gap flux density can be improved, into
And promote the output torque of motor；Permanent magnet material is high-performance permanent magnet, such as neodymium iron boron, and permanent-magnet material stability is good,
Coercivity is big, and remanent magnetism is high, easy processing, and leakage field is smaller.
The asymmetric double three-phase camber line permanent magnet synchronous motor, between rotor " V " permanent magnet and adjacent " V " type permanent magnet
Between apply magnetic bridge, obstruct interelectrode magnetic leakage, be conducive to the utilization rate for improving permanent magnet, promote the torque density of motor, magnetic bridge
It is made of magnetic separator or air.
The asymmetric double three-phase camber line permanent magnet synchronous motor, using two kinds of stator modules, and module not of the same race
Slot number is different, and the unit-modularized motor of not homopolarity slot cooperation, the pole slot cooperation of unit-modularized motor are collectively formed with rotor
There are many combination, the combination of 8 pole cell module motor of 10 pole of preferably 12 slot and 9 slot in the present embodiment.
The asymmetric double three-phase camber line permanent magnet synchronous motor, rotating operation are limited in scope, and are wound with the stator mould of coil
Block can be used as rotor, the rotor embedded with permanent magnet that can be used as stator.
The asymmetric double three-phase arc line type permanent magnet synchronous motor reduces motor speed by increasing number of poles, can be defeated
Go out larger torque, rotor permanent magnet pole logarithm preferably 120 pairs of poles in the present embodiment.
The asymmetric double three-phase camber line permanent magnet synchronous motor can be applied to heavy caliber astronomical telescope driving occasion, wind
The low-speed high-torque direct drivings occasion such as force generating system.
Claims (10)
1. a kind of asymmetric double three-phase camber line permanent magnet synchronous motor, it is characterised in that：The motor includes stator combination (I) and rotor
(IV) two parts, three stator combinations (I) form camber line structure, each stator combination (I) on the outer circumference of rotor (IV)
Including a 12 slot stator modules (II) and a 9 slot stator modules (III) are disposed side by side on the circumference of rotor (IV) outside；12
Slot stator modules include 12 slot stator cores (1), 12 slot armature coils (2), 12 slot assist tooths (3) and the low magnetic energy product of 12 slots forever
Magnet (4)；12 slot armature coils (2) are located in 12 slots in 12 slot stator cores (1), and 12 slot assist tooths (3) are located at 12 slots
Stator core (1) both sides, the low magnetic energy product permanent magnet (4) of 12 slots are located at the tooth top of 12 slot assist tooths (3)；9 slot stator modules include 9
Slot stator core (5), 9 slot armature coils (6), 9 slot assist tooths (7) and the low magnetic energy product permanent magnet (8) of 9 slots, 9 slot armature coils
(6) it is located in the slot in 9 slot stator cores (5), 9 slot assist tooths (7) are located at the both sides of 9 slot stator cores (5), the low magnetic energy of 9 slots
Product permanent magnet (8) is located at the tooth top of 9 slot assist tooths (7)；12 slot stator modules (II) form 12 slot, 10 pole unit with rotor (IV)
Motor, 9 slot stator modules (III) blocks form 9 slot, 8 pole unit motor with rotor (IV)；Stator combination (I) is common with rotor (IV)
Constitute double three-phase machine；Rotor (IV) includes rotor permanent magnet (9), magnetic bridge (10) and rotor core (11), rotor permanent magnet
(9) circumferentially uniformly arrangement is built in rotor core (11), and adjacent two rotor permanent magnets (9) polarity is on the contrary, constitute a pair of
Pole forms 120 pairs of poles on circumference, applies magnetic bridge (10) between permanent magnet.
2. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that described three are fixed
Sub-portfolio (I) uniform array on the outer circumference of rotor (IV), arranges in arc line type, and camber line electricity is collectively formed with rotor (IV)
Machine.
3. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that each described
Stator combination (I) includes two kinds of stator modules compositions of a 12 slot stator modules (II) and a 9 slot stator modules (III)；Three
Module of the same race in a stator combination (I) is circumferentially evenly distributed, module not of the same race circumferentially uneven arrangement, is formed not
With the unsymmetric structure of the uneven arrangement of module.
4. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that the same stator pack
It closes 12 slot armature coil (2) of (I) inner stator and 9 slot armature coils (6) respectively connects into three-phase, which connects
Double three-phases are connected into, stator combination (I) collectively forms double three-phase machine with rotor (IV).
5. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that the 12 slots electricity
Pivot coil (2) and 9 slot armature coils (6) are all made of concentratred winding.
6. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that 12 slot stator cores
(1) there are 12 slot assist tooths (3) and 9 slot assist tooths (7) respectively in both side ends with 9 slot stator cores (5), in 12 slot assist tooths
(3) and the tooth top of 9 slot assist tooths (7) it, is placed with the low magnetic energy product permanent magnet (4) of 12 slots and the low magnetic energy product permanent magnet of 9 slots respectively
(8)。
7. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that rotor permanent magnet (9)
It is arranged using internal type V, two permanent magnet polarities in rotor permanent magnet (9) between two permanent magnets on the contrary, apply by non-magnetic
The magnetic bridge (10) of material or air composition.
8. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that 12 slot stator cores
(1), 9 slot stator cores (5) and rotor core (11) are overrided to form by silicon steel sheet grade high performance permeability magnetic material.
9. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that rotor permanent magnet (9)
It is made of neodymium iron boron；The low magnetic energy product permanent magnet (4) of 12 slots and the low magnetic energy product permanent magnet (8) of 9 slots are made of aluminium-nickel-cobalt magnetic material.
10. asymmetric double three-phase camber line permanent magnet synchronous motor according to claim 1, it is characterised in that magnetic bridge is by every magnetic
Material or air are constituted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159260.1A CN108429420B (en) | 2018-02-26 | 2018-02-26 | Asymmetric double-three-phase arc permanent magnet synchronous motor |
| PCT/CN2018/088138 WO2019161624A1 (en) | 2018-02-26 | 2018-05-24 | Asymmetric dual three-phase arc permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159260.1A CN108429420B (en) | 2018-02-26 | 2018-02-26 | Asymmetric double-three-phase arc permanent magnet synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108429420A true CN108429420A (en) | 2018-08-21 |
| CN108429420B CN108429420B (en) | 2020-02-18 |
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|---|---|---|---|
| CN201810159260.1A Active CN108429420B (en) | 2018-02-26 | 2018-02-26 | Asymmetric double-three-phase arc permanent magnet synchronous motor |
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| WO (1) | WO2019161624A1 (en) |
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| CN109546764A (en) * | 2018-11-05 | 2019-03-29 | 东南大学 | A kind of unit-combination type can modularized motor |
| CN109617350A (en) * | 2019-01-14 | 2019-04-12 | 哈尔滨工程大学 | A kind of four pairs of pole asymmetrical design structures of multiple-unit magneto minimum unit |
| CN109713867A (en) * | 2019-01-14 | 2019-05-03 | 哈尔滨工程大学 | A kind of five pairs of pole asymmetrical design structures of multiple-unit magneto minimum unit |
| CN110829767A (en) * | 2019-11-26 | 2020-02-21 | 奇瑞汽车股份有限公司 | Arc-shaped driving motor |
| CN111030329A (en) * | 2019-11-29 | 2020-04-17 | 北京自动化控制设备研究所 | Multi-phase permanent magnet fault-tolerant servo motor |
| CN112165191A (en) * | 2020-09-27 | 2021-01-01 | 杨培应 | Novel stator and rotor energy-saving machine |
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| CN114567094A (en) * | 2021-12-20 | 2022-05-31 | 哈尔滨理工大学 | Novel stator and rotor structure of hybrid excitation asynchronous starting permanent magnet synchronous motor |
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| CN109546764A (en) * | 2018-11-05 | 2019-03-29 | 东南大学 | A kind of unit-combination type can modularized motor |
| CN109546764B (en) * | 2018-11-05 | 2021-03-09 | 东南大学 | Unit combination type modularized motor |
| CN109617350A (en) * | 2019-01-14 | 2019-04-12 | 哈尔滨工程大学 | A kind of four pairs of pole asymmetrical design structures of multiple-unit magneto minimum unit |
| CN109713867A (en) * | 2019-01-14 | 2019-05-03 | 哈尔滨工程大学 | A kind of five pairs of pole asymmetrical design structures of multiple-unit magneto minimum unit |
| CN110829767A (en) * | 2019-11-26 | 2020-02-21 | 奇瑞汽车股份有限公司 | Arc-shaped driving motor |
| CN111030329A (en) * | 2019-11-29 | 2020-04-17 | 北京自动化控制设备研究所 | Multi-phase permanent magnet fault-tolerant servo motor |
| CN112165191A (en) * | 2020-09-27 | 2021-01-01 | 杨培应 | Novel stator and rotor energy-saving machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108429420B (en) | 2020-02-18 |
| WO2019161624A1 (en) | 2019-08-29 |
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