CN208986796U - A kind of composite fabricated rotor double-stator synchronous machine - Google Patents
A kind of composite fabricated rotor double-stator synchronous machine Download PDFInfo
- Publication number
- CN208986796U CN208986796U CN201821549815.5U CN201821549815U CN208986796U CN 208986796 U CN208986796 U CN 208986796U CN 201821549815 U CN201821549815 U CN 201821549815U CN 208986796 U CN208986796 U CN 208986796U
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- magnetic
- magnetic layer
- magnetism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Synchronous Machinery (AREA)
Abstract
A kind of composite fabricated rotor double-stator synchronous machine, the synchronous motor are mainly made of external stator (1), inner stator (2) and rotor (3)；Rotor (3) is arranged between external stator (1) and inner stator (2)；This method obtains entire rotor-position by reluctance rotor position in estimation mixed rotor, and then realizes position Sensorless Control.The non-position sensor vector control method proposed is not necessarily to coordinate transform, and structure is simple, overcomes the complexity and the problem strong to parameter of electric machine dependence of conventional vector control.
Description
Technical field:
The utility model relates to a kind of composite fabricated rotor double-stator synchronous machines.Belong to design of electrical motor and its control system neck
Domain.
Background technique:
There is the equipment for largely needing low speed high torque transmission system in modern industry, such as numerically-controlled machine tool, weight mine are mechanical, stone
Oily boring mechanic, large scale industry conveyer belt and Overloading etc., this kind of system are typical highly energy-consuming electromechanical equipment, power consumption
Account for about the 10% of industrial total power consumption.Currently, China's low speed high torque Drive mostly uses greatly " conventional rotating speed motor+deceleration
The driving method of gear mechanism ", but the deceleration transmission link having more can not only make that drive system is bulky, maintenance cost increases
Add, system reliability and operational efficiency reduction (efficiency of entire transmission chain is generally 75%-85%), and the gear mechanism of redundancy
Structure also brings along the technical problem of processing and manufacturing, transport assembly etc., can also generate oil seepage, noise pollution etc. and ask
Topic, therefore the direct drive mode for cancelling reduction gear is the high-end mechanized equipment of future development, improves transmission system entirety
The inevitable choice of performance.
Permanent magnet synchronous motor is developed rapidly in recent years, research work both domestic and external also Showed Very Brisk, due to no matter
As electronic or generator operation, permanent magnet synchronous motor is compared with induction machine, electric excitation synchronous motor and switched reluctance machines
All have simple structure, that brushless reliable, efficiency and power factor are high, starting torque is big, economical operation range is wide etc. is outstanding excellent
Benign energy, therefore large-scale popularization and application have been obtained in many fields, especially applied in low-speed high-torque direct driving system
Prospect is very wide.For raising torque density, the biggish intracavity space of low-speed high-torque direct driving permanent magnet synchronous motor is made full use of,
It reduces its cost, researches and develops novel permanent magnetic synchronous motor structure and new type rotor structure is important trend.
Utility model content
Purpose of utility model: the utility model provides a kind of composite fabricated rotor double-stator synchronous machine and its control system,
Poor, operational efficiency that there are system reliabilities its object is to solving the deceleration transmission link in conventional low big torque transmission equipment
The problems such as low, at high cost.The utility model is designed using double-stator structure simultaneously, and rotor is permanent magnetism/magnetic resistance mixed rotor structure,
Torque density can be improved, reduce motor cost.
Technical solution: the utility model uses following technical scheme:
A kind of composite fabricated rotor double-stator synchronous machine, it is characterised in that: the synchronous motor is mainly by external stator (1), interior
Stator (2) and rotor (3) are constituted；Rotor (3) is arranged between external stator (1) and inner stator (2)；
Rotor (3) includes permanent magnet, magnetic barrier formula reluctance rotor structure (6) and magnetism-isolating loop (5)；It is that magnetic hinders on the inside of rotor (3)
Formula reluctance rotor structure (6), it is spaced by magnetic layer (6-1) and non-magnetic layer (6-2) which hinders formula reluctance rotor structure (6)
It constitutes, each magnetic barrier formula reluctance rotor structure (6) is connected by dovetail groove with magnetism-isolating loop (5), and magnetism-isolating loop (5) is covered in inner stator (2)
Periphery, each magnetic barrier formula reluctance rotor structure (6) setting are in magnetism-isolating loop (5) inner sidewall, each magnetic barrier formula reluctance rotor structure (6)
Between inner stator (2) and magnetism-isolating loop (5)；For permanent magnet (10) Surface Mount on magnetism-isolating loop (5) outer surface, magnetic hinders structure, magnetism-isolating loop (5)
Complete rotor (3) structure is collectively constituted with permanent magnet (10)；
External stator (1) inner surface is uniformly slotted with inner stator (2) outer surface, each in external stator (1) and inner stator (2) slot
From a set of three-phase symmetric winding is embedded, (this is that winding in all slots is integrally referred to as a set of three-phase symmetric winding, actually
It is inside and outside altogether to add up just only double winding), the winding in inside and outside stator slot is coupled using serial or parallel connection mode, shape
At total stator winding of the motor.
Magnetic layer (6-1) and non-magnetic layer (6-2) in magnetic barrier formula reluctance rotor structure (6) are all made of U-shaped structure；Magnetic barrier
Formula reluctance rotor structure (6) is alternateed with non-magnetic layer (6-2) by the magnetic layer (6-1) of U-shaped and is formed, each magnetic layer (6-
1) it is connected between by dowel (6-3), forms non-magnetic layer (6-2) between adjacent two layers of magnetic layer (6-1).
As long as the width of dowel is just met for the condition of mechanical strength.
Each magnetic layer (6-1) width gradually increases from inside to outside.(that is, as shown in figure 3, the width of innermost layer it is narrow,
Then the secondary internal layer width of innermost layer outer layer is wider than innermost layer, and then, the width of internal layer again of secondary internal layer periphery is wider than secondary internal layer,
Successively progressive, the effect of this structure is illustrated in specific embodiment combination Fig. 3, acts on as follows: in magnetic barrier
Each magnetic layer (6-1) width differs, and combines in the way of being sequentially reduced by two sides to interior thickness, so that magnetic hinders two sides magnetic conduction
The magnetic flux that layer (6-1) flows through is more and intermediate few, is more reasonably assigned with magnetic flux, preferably limits magnetic flux path, reduces
Harmonic content in air-gap field improves the sine in motor gas-gap magnetic field, reduces torque pulsation, improves the property of motor
Energy.)
Every pole permanent magnet (10) on the outside of rotor (3) uses the incorgruous mode that magnetizes of muti-piece piecemeal, i.e., by every pole permanent magnet
It is divided into muti-piece, every piece is a region, can form multiple regions, and the magnetizing direction in each region is from both sides to intermediate and rotor
(3) radial direction angle is gradually reduced, and intermediate vertical arrow direction is the radial direction of rotor (3)！(as shown in Figure 4！).
External stator (1) uses fractional-slot winding structure, and inner stator (2) uses Distributed Winding structure.
Using the position Sensorless Control strategy of combinations of the above formula rotor double-stator synchronous motor, this strategy is by estimating
It surveys magnetic in rotor (3) and hinders formula reluctance rotor structure (6) position to obtain entire rotor-position, and then realize position-sensor-free
Control；
By rotor-position estimating module (18), (rotor-position estimating module is realized in the controller, is not existed first
In motor) obtain rotor-position estimated value and revolving speed estimated value, by rotor-position estimated value and revolving speed estimated value respectively with rotor
Position given value and rotary speed setting value are compared, and obtain rotor position error value and speed error value, rotor position error value
Pass through position control (11) respectively with speed error value and speed regulator (12) obtain rotary speed setting value and torque reference value,
The reality output torque of motor is obtained by stator current space vector computing module (19) and torque calculation module (20) simultaneously, it will
The motor reality output torque being calculated is input to torque controller (13), using the output signal of torque controller (13) as
The input signal of three-phase current reference value computing module (14), so that the given value of threephase stator electric current is obtained, finally by electricity
Throttle regulator (15) obtains controlled current flow PWM inverter (16), and (controlled current flow PWM inverter (16) is and motor stator three-phase
Winding is connected, and gives motor power supply) control signal control novel synchronous motor of the invention.
Advantageous effect:
What a kind of rotor of composite fabricated rotor double-stator synchronous machine of the utility model was combined using permanent magnet with magnetic resistance
Mixed rotor structure, rotor inside are the magnetic layer U-shaped magnetoresistive structures alternate with non-magnetic layer, and Surface Mount piecemeal is incorgruous on the outside of rotor
The permanent magnet to magnetize.Magnetic resistance and permanent magnet are connected together by magnetism-isolating loop, and magnetism-isolating loop also makes the magnetic circuit phase in outside in rotor
It is mutually independent.Motor uses double-stator structure, and external stator inner surface is uniformly slotted with inner stator outer surface, respectively had in inside and outside stator slot
A set of three-phase windings, and double winding is coupled using serial or parallel connection mode, forms total stator winding of this kind of motor.External stator
Using score slot structure, inner stator uses Distributed Winding structure.A kind of composite fabricated rotor double-stator synchronous machine of the utility model
Using non-position sensor vector control method, entire rotor position is obtained by reluctance rotor position in estimation mixed rotor
It sets, and then realizes position Sensorless Control.Rotor-position estimated value and revolving speed estimated value are obtained by rotor-position estimating module,
Rotor-position estimated value and revolving speed estimated value are compared with rotor-position given value and rotary speed setting value respectively, obtain rotor
Site error value and speed error value, rotor position error value and speed error value pass through position control and rotational speed regulation respectively
Device obtains rotary speed setting value and torque reference value, while being obtained by stator current space vector computing module and torque calculation module
The motor reality output torque being calculated is input to torque controller, by torque controller by the reality output torque of motor
Input signal of the output signal as three-phase current reference value computing module, to obtain the given value of threephase stator electric current,
The control signal of controlled current flow PWM inverter is obtained finally by current regulator to control the novel synchronous of the utility model electricity
Machine.
The specific beneficial effect of the utility model is: this kind of motor uses bimorph transducer single-turn minor structure, makes full use of low
The fast biggish intracavity space of high-torque direct driving synchronous motor substantially increases the torque density and stock utilization of motor, and
The volume and weight of motor can significantly be reduced under Same Efficieney.Under the premise of not considering radiating condition variation, bimorph transducer
The torque density of motor can be improved 40% or so compared with conventional single rotor motor；In other words under equal-wattage, motor body
Product can reduce 30% or so.Not only structure is reliable for a kind of composite fabricated rotor double-stator synchronous machine of the utility model, at low cost, effect
Rate is high, but also has outstanding advantages of torque density and mechanical integrity are high, electric machine structure stock utilization is high.
The novel mixed rotor of the utility model makes permanent magnetism while having permanent magnetism auxiliary reluctance type rotor advantage
It is relatively independent with magnetoresistive structures, solve the problems, such as that permanent magnetism auxiliary reluctance type rotor design parameter is more, optimization difficulty is big, design side
Formula is more flexible；Motor is greatly reduced to permanent magnet demand and magnetic property requirements, and reduces motor cost；Motor can
Electromagnetic torque and reluctance torque are generated simultaneously, improves the torque density of motor, and two kinds of torques are mutually indepedent, greatly enhance
The flexibility of control mode, improves torque density, the efficiency, the utilization rate of weak-magnetic speed-regulating ability and inverter of motor.
The magnetic layer of reluctance parts and non-magnetic layer use U-shaped structure on the utility model rotor, equivalent to increase electricity
Air gap in machine quadrature axis is conducive to the reluctance torque for improving motor to improve quadrature-axis reluctance；Each magnetic barrier structure uses magnetic layer
Thickness according to by the structure that is gradually reduced to two sides of centre, improve magnetic barrier structure to the modulating action in magnetic field, improve interior
The sine of air-gap field, reduces harmonic content between stator and rotor；Permanent magnet on rotor magnetizes using piecemeal is incorgruous
Mode can not only be such that the permanent magnetic field at air gap more concentrates, and motor gas-gap magnetic flux distribution more levels off to just
String, harmonic content is few, and flux density distribution is more uniform, can also further enhance rotor saliency, and then improve output
Electromagnetic torque ability and permanent magnet utilization rate.External stator matches with durface mounted permanent magnet body on the outside of rotor, to solve motor speed
Lower, number of pole-pairs is more and the limited contradiction of slot number, and external stator uses score slot structure, at the same using fractional-slot winding etc.
Distribution effect and the weakening effect to slot ripples back-emf are imitated, to reach the effect for improving potential waveform and improving winding utilization
Fruit.Inner stator matches with magnetoresistive structures on the inside of rotor, in order to reduce motor harmonic content, improve reluctance torque, improves anti-electricity
Gesture sine, inner stator use Distributed Winding structure.
Control mode responds strong robust vector control without position sensor side using the height based on stator current space vector
Method, this method obtains entire rotor-position by reluctance rotor position in estimation mixed rotor, and then realizes position sensorless
Device control.The non-position sensor vector control method proposed is not necessarily to coordinate transform, and structure is simple, overcomes conventional vector control
The complexity of system and the problem strong to parameter of electric machine dependence.
Detailed description of the invention
Fig. 1 is a kind of composite fabricated rotor double-stator synchronous machine structural schematic diagram of the utility model；
Fig. 2 is the utility model permanent magnetism/magnetic resistance mixed rotor structural schematic diagram；
Fig. 3 is that single magnetic hinders schematic diagram；
Fig. 4 is the incorgruous permanent magnet schematic diagram of arranging that magnetizes of piecemeal；
Fig. 5 is a kind of vector control without position sensor principle of composite fabricated rotor double-stator synchronous machine of the utility model
Block diagram.
Description of symbols:
1. external stator；2. inner stator；3. permanent magnetism/magnetic resistance mixed rotor；4. external stator slot；5. magnetism-isolating loop；6. magnetic hinders formula magnetic
Hinder rotor structure；6-1. magnetic layer；The non-magnetic layer of 6-2.；6-3. dowel；7. inner stator air gap；8. default pilot trench；It is fixed outside 9.
Sub- air gap；10. permanent magnet；11. position control；12. speed regulator；13. torque controller；14. three-phase current reference value
Computing module；15. current regulator；16. controlled current flow PWM inverter；17. three-phase rectifier；18. rotor-position estimates mould
Block；19. stator current space vector computing module；20. torque calculation module.
Specific embodiment
A kind of composite fabricated rotor double-stator synchronous machine, the synchronous motor mainly by external stator (1), inner stator (2) and turn
Sub (3) are constituted；Rotor (3) is arranged between external stator (1) and inner stator (2)；
Rotor (3) includes permanent magnet, magnetic barrier formula reluctance rotor structure (6) and magnetism-isolating loop (5)；It is that magnetic hinders on the inside of rotor (3)
Formula reluctance rotor structure (6), the magnetic hinder formula reluctance rotor structure (6) by magnetic layer with non-magnetic layer is spaced constitutes, each magnetic
Barrier formula reluctance rotor structure (6) is connected by dovetail groove with magnetism-isolating loop (5), and magnetism-isolating loop (5) is covered in inner stator (2) periphery, each magnetic
Barrier formula reluctance rotor structure (6) setting is in inner stator (2) in magnetism-isolating loop (5) inner sidewall, each magnetic barrier formula reluctance rotor structure (6)
Between magnetism-isolating loop (5)；
For permanent magnet (10) Surface Mount on magnetism-isolating loop (5) outer surface, it is common that magnetic hinders structure, magnetism-isolating loop (5) and permanent magnet (10)
Form complete rotor (3) structure；
Magnetic layer (6-1) and non-magnetic layer (6-2) in magnetic barrier formula reluctance rotor structure (6) are all made of U-shaped structure；(U
Shape structure is that the shape for hindering formula reluctance rotor according to magnetic is named)
External stator (1) inner surface is uniformly slotted with inner stator (2) outer surface, each in external stator (1) and inner stator (2) slot
From a set of three-phase symmetric winding is embedded, the winding in inside and outside stator slot is coupled using serial or parallel connection mode, forms the electricity
Total stator winding of machine.
Magnetic barrier formula reluctance rotor structure (6), which is alternateed by the magnetic layer (6-1) of U-shaped with non-magnetic layer (6-2), to be formed,
It is connected between each magnetic layer (6-1) by dowel (6-3), forms non-magnetic layer between adjacent two layers of magnetic layer (6-1)
(6-2)。
As long as the width of dowel is just met for the condition of mechanical strength.
Each magnetic layer (6-1) is the structure gradually increased by centre to two sides width.
It is the incorgruous permanent magnet (10) to magnetize of muti-piece piecemeal on the outside of rotor (3), i.e., every piece of permanent magnet is divided into multiple areas
Domain, and the magnetizing direction in each region is gradually reduced from both sides to centre and vertical direction angle, intermediate vertical arrow direction is
The axial direction of rotor (3)！(as shown in Figure 4！).
External stator (1) uses fractional-slot winding structure, and inner stator (2) uses Distributed Winding structure.
Detailed illustrate is carried out with reference to the accompanying drawing:
The utility model proposes a kind of composite fabricated rotor double-stator synchronous machines, as shown in Figure 1, the motor is by external stator
1, inner stator 2, permanent magnetism/magnetic resistance mixed rotor 3 are constituted.1 inner surface of external stator is uniformly slotted with 2 outer surface of inner stator, inside and outside fixed
A set of three-phase windings are respectively embedded on pilot trench, and double winding is coupled using serial or parallel connection mode, forms total stator of the motor
Winding.External stator 1 matches with durface mounted permanent magnet body 10 on the outside of rotor, and to solve, motor speed is lower, number of pole-pairs is more and slot
Several and limited contradiction, external stator 1 use score slot structure, while using fractional-slot winding Equivalent Distributed effect and it is humorous to tooth
The weakening effect of wave back-emf, to achieve the effect that improve potential waveform and improve winding utilization.On the inside of inner stator 2 and rotor
Magnetoresistive structures match, and in order to reduce motor harmonic content, improve reluctance torque, improve back-emf sine, inner stator 2 uses
Distributed Winding structure.
Fig. 2 is the utility model permanent magnetism/magnetic resistance mixed rotor structural schematic diagram, and rotor uses permanent magnet and magnetic resistance phase
In conjunction with mixed structure, be that the magnetic layer 6-1 U-shaped magnetic alternate with non-magnetic layer 6-2 hinders structure on the inside of rotor, each independent magnetic hinders
It is connected by dovetail groove with magnetism-isolating loop 5.It is permanent magnet 10 on the outside of rotor, Surface Mount is on 5 outer surface of magnetism-isolating loop.
Magnetic resistance and permanent magnet are combined together by magnetism-isolating loop 5, form complete rotor structure, and magnetism-isolating loop 5 is but also turn
External magnetic circuit is mutually indepedent in son.The mode that magnetoresistive structures are combined with permanent magnet, so that rotor is having permanent magnetism auxiliary reluctance type
While rotor advantage, and make permanent magnetism relatively independent with magnetoresistive structures, solves permanent magnetism auxiliary reluctance type rotor design parameter
Problem more, optimization difficulty is big, design method are more flexible；Motor is greatly reduced to want permanent magnet demand and magnetic property
It asks, and reduces motor cost；Motor can generate electromagnetic torque and reluctance torque simultaneously, improve the torque density of motor,
And two kinds of torques are mutually indepedent, greatly strengthen the flexibility of control mode, improve the torque density of motor, efficiency, weak
The utilization rate of magnetic speed regulation capacity and inverter.
Fig. 3 is that single magnetic hinders structural schematic diagram.Magnetic, which hinders structure, mutually to be handed over by the magnetic layer 6-1 and non-magnetic layer 6-2 of U-shaped
For composition, it is connected between each magnetic layer 6-1 by dowel 6-3, forms unified entirety.In the condition for meeting mechanical strength
Under, the narrower dowel the better, this will preferably limit magnetic flux and circulate along defined path, to improve the energy conversion of motor
Efficiency.In addition to this, each magnetic layer 6-1 width in magnetic barrier differs, in the way of being sequentially reduced by two sides to interior thickness
Combination is more reasonably assigned with magnetic flux, preferably limits so that the magnetic flux that magnetic barrier two sides magnetic layer flows through is more and intermediate few
Magnetic flux path reduces the harmonic content in air-gap field, improves the sine in motor gas-gap magnetic field, reduces torque arteries and veins
It is dynamic, improve the performance of motor.
Fig. 4 is the incorgruous permanent magnet schematic diagram of arranging that magnetizes of piecemeal.Same permanent magnet 10 is divided into different regions, each region
The mode that magnetizes is different, i.e., the magnetizing direction in each region from both sides to centre and vertical direction angle by the way of being gradually reduced.
The permanent magnetic field at air gap not only can be made more to concentrate, motor gas-gap magnetic flux distribution more levels off to just
String, harmonic content is few, and flux density distribution is more uniform, can also further enhance rotor saliency, and then improve output
Electromagnetic torque ability and permanent magnet utilization rate.In addition to this it is possible to cogging torque is efficiently reduced, it is torque pulsation inhibited.
The utility model proposes a kind of position-sensor-free vector controls of composite fabricated rotor double-stator synchronous machine
Method processed, as shown in figure 5, the utility model is obtained by hindering formula reluctance rotor structure (6) position by magnetic in estimation rotor (3)
Entire rotor-position is obtained, and then realizes position Sensorless Control；The non-position sensor vector control method of the utility model
Without coordinate transform, structure is simple, overcomes the complexity and the problem strong to parameter of electric machine dependence of conventional vector control.
The output torque of the novel synchronous motor of the utility model is interior external stator and rotor field interaction result
Superposition, since the salient pole of reluctance rotor synchronous motor is bigger, is easy to estimate rotor-position, therefore the utility model passes through estimation
Reluctance rotor position obtains entire rotor-position in mixed rotor, and then realizes position Sensorless Control.It will test
Stator three-phase electricity flow valuve is input to rotor-position estimating module 18, rotor-position estimated value and revolving speed estimated value is obtained, by rotor
Position given value subtracts rotor-position estimated value, obtains rotor position error value, and rotor position error value is input to position tune
Device 11 is saved, rotary speed setting value is obtained, revolving speed estimated value is subtracted by rotary speed setting value, obtains speed error value, by speed error value
It is input to speed regulator 12, obtains torque reference value, while the stator three-phase electricity flow valuve that will test is input to stator current
Space vector computing module 19 obtains the amplitude and space electrical angle of stator current space vector, passes through torque calculation module 20
The reality output torque of motor is calculated, reality output torque is subtracted by torque reference value, obtains motor torque error amount, it will
Motor torque error amount is input to torque controller 13, obtains stator current space vector given value, stator current space is sweared
Amount given value and three-phase current initial phase are input to three-phase current given value computing module 14, to obtain threephase stator electric current
Given value, stator three-phase current detection value is finally subtracted by threephase stator given value of current value, obtains threephase stator current error
Value, is input to current regulator 15 for threephase stator current error value and obtains the control signal of controlled current flow PWM inverter 16
Control the novel synchronous motor of the utility model.The non-position sensor vector control method of the utility model becomes without coordinate
It changes, structure is simple, overcomes the complexity and the problem strong to parameter of electric machine dependence of conventional vector control.
Claims (6)
1. a kind of composite fabricated rotor double-stator synchronous machine, it is characterised in that: the synchronous motor is mainly by external stator (1), default
Sub (2) and rotor (3) are constituted；Rotor (3) is arranged between external stator (1) and inner stator (2)；
Rotor (3) includes permanent magnet, magnetic barrier formula reluctance rotor structure (6) and magnetism-isolating loop (5)；It is that magnetic hinders formula magnetic on the inside of rotor (3)
It hinders rotor structure (6), which hinders formula reluctance rotor structure (6) by magnetic layer (6-1) and non-magnetic layer (6-2) spaced structure
At, each magnetic barrier formula reluctance rotor structure (6) is connected by dovetail groove with magnetism-isolating loop (5), magnetism-isolating loop (5) cover inner stator (2) outside
It encloses, each magnetic barrier formula reluctance rotor structure (6) setting is in interior in magnetism-isolating loop (5) inner sidewall, each magnetic barrier formula reluctance rotor structure (6)
Between stator (2) and magnetism-isolating loop (5)；Permanent magnet (10) Surface Mount on magnetism-isolating loop (5) outer surface, magnetic hinder structure, magnetism-isolating loop (5) with
Permanent magnet (10) collectively constitutes complete rotor (3) structure；
External stator (1) inner surface is uniformly slotted with inner stator (2) outer surface, external stator (1) in inner stator (2) slot respectively it is embedding
A set of three-phase symmetric winding is put, the winding in inside and outside stator slot is coupled using serial or parallel connection mode, forms the motor
Total stator winding.
2. a kind of composite fabricated rotor double-stator synchronous machine according to claim 1, it is characterised in that: magnetic hinders formula magnetic resistance and turns
Magnetic layer (6-1) and non-magnetic layer (6-2) in minor structure (6) are all made of U-shaped structure；Magnetic hinders formula reluctance rotor structure (6)
It is alternateed and is formed with non-magnetic layer (6-2) by the magnetic layer (6-1) of U-shaped, pass through dowel (6- between each magnetic layer (6-1)
3) it is connected, forms non-magnetic layer (6-2) between adjacent two layers of magnetic layer (6-1).
3. a kind of composite fabricated rotor double-stator synchronous machine according to claim 2, it is characterised in that: the width of dowel
As long as being just met for the condition of mechanical strength.
4. a kind of composite fabricated rotor double-stator synchronous machine according to claim 2, it is characterised in that: each magnetic layer (6-
1) width gradually increases from inside to outside.
5. a kind of composite fabricated rotor double-stator synchronous machine as claimed in any of claims 1 to 4, feature exist
In: every pole permanent magnet (10) on the outside of rotor (3) uses the incorgruous mode that magnetizes of muti-piece piecemeal, i.e., is divided into every pole permanent magnet more
Block, every piece is a region, can form multiple regions, and the magnetizing direction in each region is from both sides to the diameter of centre and rotor (3)
It is gradually reduced to angular separation, intermediate vertical arrow direction is the radial direction of rotor (3).
6. a kind of composite fabricated rotor double-stator synchronous machine according to claim 1, it is characterised in that: external stator (1) is adopted
With fractional-slot winding structure, inner stator (2) uses Distributed Winding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549815.5U CN208986796U (en) | 2018-09-21 | 2018-09-21 | A kind of composite fabricated rotor double-stator synchronous machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549815.5U CN208986796U (en) | 2018-09-21 | 2018-09-21 | A kind of composite fabricated rotor double-stator synchronous machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208986796U true CN208986796U (en) | 2019-06-14 |
Family
ID=66785045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821549815.5U Active CN208986796U (en) | 2018-09-21 | 2018-09-21 | A kind of composite fabricated rotor double-stator synchronous machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208986796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302025A (en) * | 2018-09-21 | 2019-02-01 | 沈阳工业大学 | Permanent magnetism/magnetic resistance mixed rotor double-stator synchronous machine and its control method |
| CN115296501A (en) * | 2022-08-30 | 2022-11-04 | 山东大学 | Double-stator single-rotor permanent magnet synchronous motor |
-
2018
- 2018-09-21 CN CN201821549815.5U patent/CN208986796U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302025A (en) * | 2018-09-21 | 2019-02-01 | 沈阳工业大学 | Permanent magnetism/magnetic resistance mixed rotor double-stator synchronous machine and its control method |
| CN109302025B (en) * | 2018-09-21 | 2024-01-12 | 沈阳工业大学 | Permanent magnet/reluctance hybrid rotor double-stator synchronous motor and control method thereof |
| CN115296501A (en) * | 2022-08-30 | 2022-11-04 | 山东大学 | Double-stator single-rotor permanent magnet synchronous motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208986794U (en) | A kind of combined type birotor low speed high torque synchronous motor | |
| CN109302025A (en) | Permanent magnetism/magnetic resistance mixed rotor double-stator synchronous machine and its control method | |
| CN103187846B (en) | Four-phase and double-salient brushless direct current motor with symmetrical phase inductances | |
| JP2010098830A (en) | Rotary electric machine and electric vehicle | |
| CN202713100U (en) | Low-speed and large-torque five-phase permanent magnetism fault tolerance motor for electromobile | |
| CN103887908B (en) | A kind of brushless harmonic exitation synchronous motor | |
| CN107579636A (en) | A kind of axial block form mixed rotor motor | |
| CN209233688U (en) | A kind of permanent-magnet magnetic resistance combination birotor synchronous machine | |
| CN103595324B (en) | A kind of mixed excitation electric machine field weakening control method | |
| CN102223131A (en) | Drive control method of fault tolerant type magnetic flux switching permanent magnet motor | |
| CN104993629B (en) | A kind of Wound-rotor type linear brushless double-fed generator | |
| CN107154716A (en) | Bimorph transducer circumferential misalignment angle electrical excitation direct current generator and its control method | |
| CN113131816A (en) | Maximum torque current ratio control system and method for hybrid rotor double-stator synchronous motor | |
| CN107171520A (en) | Axial permanent magnetic aids in magnetic resistance type composite rotors high-speed electric expreess locomotive and its control method | |
| CN208986796U (en) | A kind of composite fabricated rotor double-stator synchronous machine | |
| CN109861477A (en) | Permanent magnetism/magnetic resistance birotor low speed high torque synchronous motor and its control system | |
| CN201278474Y (en) | Mixed excitation type permanent magnet switch magnet link motor | |
| CN109104009A (en) | A kind of birotor permanent magnetic vernier motor | |
| CN109660099B (en) | Mixed excitation synchronous motor | |
| CN112865467B (en) | Combined stator core claw pole transverse flux permanent magnet brushless motor structure and method thereof | |
| CN1933286B (en) | Permanent magnetic brushless DC four-quadrant electric machine | |
| JP5914618B2 (en) | Rotating electric machines and electric vehicles | |
| CN103762802A (en) | Coaxial double permanent magnetic type magnetic flow switching motor | |
| CN109510417A (en) | Mixed rotor high-torque direct driving synchronous motor and its control method | |
| CN207460047U (en) | A kind of switched reluctance machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |