CN107659101A - Reluctance type Consequent pole permanent magnet motor - Google Patents
Reluctance type Consequent pole permanent magnet motor Download PDFInfo
- Publication number
- CN107659101A CN107659101A CN201710906334.9A CN201710906334A CN107659101A CN 107659101 A CN107659101 A CN 107659101A CN 201710906334 A CN201710906334 A CN 201710906334A CN 107659101 A CN107659101 A CN 107659101A
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- Prior art keywords
- rotor
- permanent magnet
- layer magnetic
- internal layer
- magnetic groove
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Classifications
-
- 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
- H02K1/22—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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Synchronous Machinery (AREA)
Abstract
The present invention provides a kind of reluctance type Consequent pole permanent magnet motor, including rotor, has on rotor centered on the axis of rotor, and at least two permanent-magnet poles circumferentially uniformly arranged along rotor, permanent-magnet pole include：The internal layer magnetic groove and outer layer magnetic groove arranged along the radial direction of rotor and mutually separated successively；The internal layer permanent magnet to match with internal layer magnetic groove is provided with internal layer magnetic groove, the outer layer permanent magnet to match with outer layer magnetic groove is provided with outer layer magnetic groove.The present invention has the difference that can improve q axle inductances and d axle inductances, and then reluctance torque is fully used, the advantages of being improved electromagnetic torque.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of reluctance type Consequent pole permanent magnet motor.
Background technology
With the continuous progress of science and technology, the application of Consequent pole permanent magnet motor is also more and more extensive, and it can significantly drop
Low permanent magnet usage amount, so as to which motor cost be greatly reduced.
The magnetic line of force under a pair of existing Consequent pole permanent magnet motor extremely extends only through one piece of permanent magnet, Consequent pole permanent magnet motor
D axle magnetic circuit reluctances it is smaller, d axle inductances are larger, can so cause the difference of q axle inductances and d axle inductances smaller, exist magnetic resistance turn
Square utilizes the shortcomings that insufficient, electromagnetic torque is low.
The content of the invention
It is a primary object of the present invention to provide a kind of reluctance type Consequent pole permanent magnet motor, it is possible to increase q axle inductances and d axles
The difference of inductance, and then reluctance torque is fully used, it is improved electromagnetic torque.
The invention provides a kind of reluctance type Consequent pole permanent magnet motor, including rotor, have on the rotor with described turn
Centered on the axis of son, and at least two permanent-magnet poles circumferentially uniformly arranged along the rotor,
The permanent-magnet pole includes：The internal layer magnetic groove and outer layer magnetic arranged along the radial direction of the rotor and mutually separated successively
Groove；
The internal layer permanent magnet to match with the internal layer magnetic groove is provided with the internal layer magnetic groove, in the outer layer magnetic groove
Inside it is provided with the outer layer permanent magnet to match with the outer layer magnetic groove.
More preferably, on the section of the rotor axis, the section of the internal layer magnetic groove and the outer layer magnetic groove
Be zhou duicheng tuxing, the symmetrical overlapping of axles of the axis of symmetry of the internal layer magnetic groove and the outer layer magnetic groove, and with the rotor
Axis intersect.
More preferably, on the section of the rotor axis, on the both ends of the internal layer magnetic groove, mutual distance it is nearest
The lines of two end points and the rotor axis form the first angle α, adjacent two internal layer magnetic grooves one end close to each other
The line of the end points upper, mutual distance is nearest and the rotor axis forms the second angle β, wherein 1.3<α/β<1.9.
More preferably, on the section of the rotor axis, if the thickness of the internal layer permanent magnet is t1, outer layer is forever
The thickness of magnet is t2, wherein 1<t2/t1<1.4.
More preferably, on the section of the rotor axis, on the both ends of the internal layer magnetic groove, mutual distance it is nearest
The distance between two end points be L, wherein 4<L/(t1+t2)<8.
More preferably, the internal layer magnetic groove includes two the first air grooves, two on the section of the rotor axis
Individual first air groove is located at the both ends of the internal layer magnetic groove respectively；
The outer layer magnetic groove includes two the second air grooves, in two described on the section of the rotor axis
Two air grooves are located at the both ends of the outer layer magnetic groove respectively.
More preferably, in the radial direction along the rotor, the most narrow spacing of first air groove and the rotor outer surface
From for w1, the minimum range of second air groove and the rotor outer surface is w2, wherein w2>w1.
More preferably, on the section of the rotor axis, both ends of the internal layer permanent magnet, close to the rotor
Outer surface side be provided with chamfering.
More preferably, in addition to be set in the rotor exterior and with the stator of the rotor coaxial；
There are multiple teeth portion circumferentially uniformly arranged on the inwall of the stator, have in the teeth portion described in face
The flank of tooth of rotor；
The both ends of the internal layer magnetic groove have two first surfaces in face of the outer layer magnetic groove, and perpendicular to described
On the section of rotor axis, the extended line of the first surface (intersects with the flank of tooth；
The both ends of the outer layer magnetic groove have two second surfaces relative with two first surfaces, and vertical
In on the section of the rotor axis, the extended line of the second surface intersects with the flank of tooth；
Magnetic conduction passage is formed corresponding to mutually between the first surface and the second surface.
More preferably, in the scope described in the magnetic conduction passage face corresponding to the opening of rotor surface, including at least one
Teeth portion.
More preferably, on the section of the rotor axis, the cross sectional shape of the internal layer permanent magnet is V-arrangement or U
Shape.
More preferably, on the section of the rotor axis, the cross sectional shape of the outer layer permanent magnet is in-line
Or V-arrangement.
Reluctance type Consequent pole permanent magnet motor provided by the invention, is included using the permanent-magnet pole：Along the radial direction of the rotor
The internal layer magnetic groove and outer layer magnetic groove arranged and mutually separated successively, are provided with and the internal layer magnetic groove phase in the internal layer magnetic groove
The internal layer permanent magnet of matching, the technology of the outer layer permanent magnet to match with the outer layer magnetic groove is provided with the outer layer magnetic groove
Scheme, it is possible to increase the difference of q axle inductances and d axle inductances, and then reluctance torque is fully used, obtain electromagnetic torque
Improve.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the example structure schematic diagram of reluctance type Consequent pole permanent magnet motor one provided by the invention；
Fig. 2 is the I portions enlarged diagram in Fig. 1；
Fig. 3 is the q axles magnetic circuit and d axle magnetic circuit schematic diagrames of reluctance type Consequent pole permanent magnet motor provided by the invention；
Fig. 4 is that reluctance type Consequent pole permanent magnet motor provided by the invention contrasts with the conventional inductance difference for replacing pole motor
Figure；
Fig. 5 is that reluctance type Consequent pole permanent magnet motor provided by the invention replaces the electromagnetic torque of pole motor with electric current with conventional
Angle change curve；
In figure：1st, rotor；11st, magnetic conduction passage；2nd, permanent-magnet pole；21st, internal layer magnetic groove；211st, the first air groove；212nd, first
Surface；22nd, outer layer magnetic groove；221st, the second air groove；222nd, second surface；23rd, internal layer permanent magnet；231st, chamfering；24th, outer layer is forever
Magnet；3rd, alternating pole；4th, stator；41st, teeth portion；42nd, the flank of tooth；5th, d axles magnetic circuit；6th, q axles magnetic circuit；Lq, q axle inductance；Ld, d axle electricity
Sense；α, the first angle；β, the second angle；T1, internal layer permanent magnet thickness；T2, outer layer permanent magnet thickness.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.
As shown in Figure 1, 2, a kind of reluctance type Consequent pole permanent magnet motor, including rotor 1, rotor 1 are folded by soft magnetic materials thin slice
Pressure forms.Have on rotor 1 centered on the axis of rotor 1, and at least two permanent-magnet poles 2 circumferentially uniformly arranged along rotor 1,
Soft magnetic materials between adjacent permanent-magnet pole 2 is magnetized into having the rotor pole of the polarity opposite with permanent-magnet pole 2 by permanent-magnet pole 2,
Replace pole 3.As shown in fig. 1, permanent-magnet pole 2 includes：The internal layer magnetic groove 21 arranged along the radial direction of rotor 1 and mutually separated successively
With outer layer magnetic groove 22.The internal layer permanent magnet 23 to match with internal layer magnetic groove 21 is provided with internal layer magnetic groove 21, in outer layer magnetic groove
The outer layer permanent magnet 24 to match with outer layer magnetic groove 22 is provided with 22.Specifically, on the section of the axis of rotor 1,
The section of internal layer magnetic groove 21 and outer layer magnetic groove 22 is zhou duicheng tuxing, the axis of symmetry and the outer layer magnetic groove 22 of internal layer magnetic groove 21
Symmetrical overlapping of axles, and intersect with the axis of rotor 1.
It can make to form magnetic force line passage between internal layer magnetic groove 21 and outer layer magnetic groove 22 using such technical scheme, such as scheme
Shown in 3, the permanent magnet that d axles magnetic circuit 5 passes through is changed into two layers from one layer, but because permanent magnet dosage does not change, permanent magnet is equivalent
Thickness is also basically unchanged, and is remained unchanged substantially compared to conventional alternately pole motor scheme, d axle inductances Ld.But due to layer with
Magnetic conduction passage is formd between layer, the magnetic resistance of q axles magnetic circuit 6 is obviously reduced, q axle inductances Lq increases.Due to the electromagnetic torque of motor
Formula is Te=p (ψfiq+(Ld-Lq)idiq), Lq is generally higher than Ld for interior permanent magnet machines, in order to utilize as far as possible
Reluctance torque, it is desirable to Lq-Ld (>0) value is the bigger the better.As shown in figure 4, in this programme between q axle inductances Lq and d axle inductances Ld
Difference apparently higher than conventional techniques, as shown in figure 5, with the change at electric current angle, the maximum electromagnetism of this programme motor turns
Square is significantly greater than conventional scheme.Experiment shows, when contrasting the permanent magnet usage amount that model machine is consistent, identical armature supply
Under, the maximum electromagnetic torque of this programme can improve 8% relative to conventional scheme.
Specifically, as shown in figure 1, on the section of the axis of rotor 1, on the both ends of internal layer magnetic groove 21, mutually away from
The first angle α is formed from the line of two nearest end points and the axis of rotor 1, adjacent two internal layer magnetic grooves 21 are close to each other
On one end, the line of end points that mutual distance is nearest and the axis of rotor 1 form the second angle β, wherein 1.3<α/β<1.9.Wherein,
The angle of first angle α characterizes permanent-magnet pole and characterizes alternately pole towards the width of the outer surface of rotor 1, the second angle β angle
Towards the width of the outer surface of rotor 1, α is carried out with β as associate and both ensure that permanent magnet can produce enough magnetic flux,
The close saturation of magnetic of alternately pole is avoided simultaneously.
Specifically, as shown in fig. 1, on the section of the axis of rotor 1, if the thickness of internal layer permanent magnet 23 is
T1, the thickness of outer layer permanent magnet 24 is t2, wherein 1<t2/t1<1.4.Wherein, the thickness t2 of outer layer permanent magnet 24 influences motor
Anti- demagnetization capability and electromagnetic torque, the thickness of internal layer permanent magnet 23 mainly influence electromagnetic torque for t1, t1 and t2 are carried out so
Association, can ensure to change the electromagnetic torque of reluctance type Consequent pole permanent magnet motor motor and anti-demagnetization capability.
Specifically, as shown in fig. 1 on the section of the axis of rotor 1, on the both ends of internal layer magnetic groove 21, mutually away from
It is L from the distance between two nearest end points, wherein 4<L/(t1+t2)<8.The equivalent magnetic flux of permanent-magnet pole 2 can so be ensured
The ratio of face and equivalent thickness is suitable, internal layer permanent magnet 23 and outer layer permanent magnet 24 is fully utilized, and then reduce
Cost.
As a kind of embodiment, as shown in Figure 1, 2, internal layer magnetic groove 21 includes two the first air grooves 211, vertical
It is located at the both ends of internal layer magnetic groove 21 respectively in two on the section of the axis of rotor 1 first air grooves 211；Outer layer magnetic groove 22 includes two
Individual second air groove 221, on the section of the axis of rotor 1 two the second air grooves 221 be located at outer layer magnetic groove 22 respectively
Both ends.
Further, it is in the radial direction along rotor 1, the first air groove 211 and the minimum range of the outer surface of rotor 1
The first magnetic bridge (not shown) that width is w1 is formed between w1, i.e. the first air groove 211 and the outer surface of rotor 1.Second is empty
The minimum range of air drain 221 and the outer surface of rotor 1 is to form width between w2, i.e. the second air groove 221 and the outer surface of rotor 1 to be
W2 the second magnetic bridge (not shown).Wherein w2>W1, the leakage field for adding the end of outer layer permanent magnet 24 is so set, reduced forever
Magnetic torque, but because the magnetic line of force of armature can be easily by reluctance torque be added at magnetic bridge, total electromagnetic torque will not reduce.
Due to adding the brow leakage of outer layer permanent magnet 24, the anti-demagnetization capability of monolithic of the reluctance type Consequent pole permanent magnet motor of lifting.
More preferably, as shown in Figure 2, it is the both ends of internal layer permanent magnet 23, close on the section of the axis of rotor 1
The side of the outer surface of rotor 1 is provided with chamfering 231, and the outer surface of rotor 1 referred to herein refers to the outer circumference surface of rotor 1.With
Lift the anti-demagnetization capability of internal layer permanent magnet 23.
As a kind of embodiment, as shown in fig. 1, in addition to be set in the outside of rotor 1 and with rotor 1 is coaxial determines
Son 4, has multiple teeth portion 41 circumferentially uniformly arranged on the inwall of stator 4, the flank of tooth with face rotor 1 in teeth portion 41
42.In actual fabrication, certain thickness air gap is formed between the outer surface of the flank of tooth 42 and rotor 1.Rotor 1 is not made when rotated not
The flank of tooth 42 can be touched.As shown in Fig. 2 the both ends of internal layer magnetic groove 21 have two first surfaces 212 in face of outer layer magnetic groove 22,
And on the section of the axis of rotor 1, the extended line of first surface 212 intersects with the flank of tooth 42；I.e. not with it is two neighboring
The notch formed between teeth portion 41 is (not shown) intersecting.The both ends of outer layer magnetic groove 22 have relative with two first surfaces 212
Two second surfaces 222, and on the section of the axis of rotor 1, the extended line of second surface 222 with the flank of tooth 42
Intersecting, i.e., the notch (not shown) not formed between two neighboring teeth portion 41 intersects.The first surface corresponding to mutually
Magnetic conduction passage is formed between 212 and the second surface 222.More preferably, the surface of rotor 1 described in the magnetic conduction passage face is opened
Scope corresponding to mouthful, including at least a teeth portion 41.This ensure that the magnetic line of force of multiple teeth portion 41 can lead into magnetic conduction
Road, make that there is in magnetic conduction passage sufficient magnetic flux, when rotor 1 rotates, the magnetic flux change of magnetic conduction passage is entered than more uniform
And reduce torque ripple.
Specifically, on the section of the axis of rotor 1, the cross sectional shape of internal layer permanent magnet 23 is V-arrangement or U-shaped, but
It is not limited to this.
Specifically, on the section of the axis of rotor 1, the cross sectional shape of outer layer permanent magnet 24 is in-line or V-arrangement,
But it is not limited to this.
Above example makes the present invention have the difference that can improve q axle inductances and d axle inductances, and then obtains reluctance torque
To making full use of, the advantages of being improved electromagnetic torque.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (12)
1. a kind of reluctance type Consequent pole permanent magnet motor, including rotor (1), have on the rotor (1) with the axle of the rotor (1)
Centered on line, and at least two permanent-magnet poles (2) circumferentially uniformly arranged along the rotor (1), it is characterised in that：
The permanent-magnet pole (2) includes：The internal layer magnetic groove (21) arranging along the radial direction of the rotor (1) and mutually separate successively and outer
Layer magnetic groove (22)；
The internal layer permanent magnet (23) to match with the internal layer magnetic groove (21) is provided with the internal layer magnetic groove (21), described
The outer layer permanent magnet (24) to match with the outer layer magnetic groove (22) is provided with outer layer magnetic groove (22).
2. reluctance type Consequent pole permanent magnet motor according to claim 1, it is characterised in that：
On the section of the rotor (1) axis, the section of the internal layer magnetic groove (21) and the outer layer magnetic groove (22)
It is zhou duicheng tuxing, the axis of symmetry of the internal layer magnetic groove (21) and the symmetrical overlapping of axles of the outer layer magnetic groove (22), and with
The axis of the rotor (1) intersects.
3. reluctance type Consequent pole permanent magnet motor according to claim 2, it is characterised in that：
On the section of the rotor (1) axis, on the both ends of the internal layer magnetic groove (21), two that mutual distance is nearest
The line of individual end points and the rotor (1) axis forms the first angle α, adjacent two internal layer magnetic grooves (21) it is close to each other one
On end, the line of end points that mutual distance is nearest and the rotor (1) axis form the second angle β, wherein 1.3<α/β<1.9.
4. reluctance type Consequent pole permanent magnet motor according to claim 2, it is characterised in that：
On the section of the rotor (1) axis, if the thickness of the internal layer permanent magnet (23) is t1, outer layer permanent magnet
(24) thickness is t2, wherein 1<t2/t1<1.4.
5. reluctance type Consequent pole permanent magnet motor according to claim 4, it is characterised in that：
On the section of the rotor (1) axis, on the both ends of the internal layer magnetic groove (21), two that mutual distance is nearest
The distance between individual end points is L, wherein 4<L/(t1+t2)<8.
6. the reluctance type Consequent pole permanent magnet motor according to claim 1 to 5 any one, it is characterised in that：
The internal layer magnetic groove (21) includes two the first air grooves (211), two on the section of the rotor (1) axis
Individual first air groove (211) is located at the both ends of the internal layer magnetic groove (21) respectively；
The outer layer magnetic groove (22) includes two the second air grooves (221), two on the section of the rotor (1) axis
Individual second air groove (221) is located at the both ends of the outer layer magnetic groove (22) respectively.
7. reluctance type Consequent pole permanent magnet motor according to claim 6, it is characterised in that：
In the radial direction along the rotor (1), first air groove (211) and the most narrow spacing of the rotor (1) outer surface
From for w1, second air groove (221) and the minimum range of the rotor (1) outer surface are w2, wherein w2>w1.
8. the reluctance type Consequent pole permanent magnet motor according to claim 1 to 5 any one, it is characterised in that：
On the section of the rotor (1) axis, both ends of the internal layer permanent magnet (23), close to the rotor (1)
Outer surface side be provided with chamfering (231).
9. the reluctance type Consequent pole permanent magnet motor according to claim 1 to 5 any one, it is characterised in that：
Also include being set in the rotor (1) outside and the stator (4) coaxial with the rotor (1)；
There are multiple teeth portion (41) circumferentially uniformly arranged on the inwall of the stator (4), have on the teeth portion (41)
The flank of tooth (42) of rotor described in face (1)；
The both ends of the internal layer magnetic groove (21) have in face of the outer layer magnetic groove (22) two first surfaces (212), and
On the section of the rotor (1) axis, the extended line of the first surface (212) intersects with the flank of tooth (42)；
The both ends of the outer layer magnetic groove (22) have two second surfaces (222) relative with two first surfaces (212),
And on the section of the rotor (1) axis, the extended line of the second surface (222) with the flank of tooth (42)
It is intersecting；
Magnetic conduction passage (11) is formed corresponding to mutually between the first surface (212) and the second surface (222).
10. reluctance type Consequent pole permanent magnet motor according to claim 9, it is characterised in that：
In scope described in magnetic conduction passage (11) face corresponding to the opening on rotor (1) surface, including at least a teeth portion
(41)。
11. the reluctance type Consequent pole permanent magnet motor according to claim 1 to 5 any one, it is characterised in that：
On the section of the rotor (1) axis, the cross sectional shape of the internal layer permanent magnet (23) is V-arrangement or U-shaped.
12. the reluctance type Consequent pole permanent magnet motor according to claim 1 to 5 any one, it is characterised in that：
On the section of the rotor (1) axis, the cross sectional shape of the outer layer permanent magnet (24) is in-line or V
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710906334.9A CN107659101A (en) | 2017-09-29 | 2017-09-29 | Reluctance type Consequent pole permanent magnet motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906334.9A CN107659101A (en) | 2017-09-29 | 2017-09-29 | Reluctance type Consequent pole permanent magnet motor |
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Family
ID=61117202
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| CN201710906334.9A Pending CN107659101A (en) | 2017-09-29 | 2017-09-29 | Reluctance type Consequent pole permanent magnet motor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336843A (en) * | 2018-03-16 | 2018-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor structure, permanent magnetism assist in synchronization reluctance motor and electric vehicle |
| CN108711969A (en) * | 2018-07-13 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN108777520A (en) * | 2018-07-17 | 2018-11-09 | 珠海格力电器股份有限公司 | Alternating-pole motor |
| CN108777519A (en) * | 2018-07-16 | 2018-11-09 | 珠海格力电器股份有限公司 | Alternating-pole motor and compressor with same |
| CN109004782A (en) * | 2018-07-26 | 2018-12-14 | 南京航空航天大学 | Modular built-in Consequent pole permanent magnet motor rotor |
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| CN109861424A (en) * | 2018-12-28 | 2019-06-07 | 苏州英磁新能源科技有限公司 | A permanent magnet synchronous reluctance motor |
| WO2019174317A1 (en) * | 2018-03-16 | 2019-09-19 | 珠海格力电器股份有限公司 | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle |
| WO2019174322A1 (en) * | 2018-03-16 | 2019-09-19 | 珠海格力电器股份有限公司 | Rotor structure, permanent magnet auxiliary synchronous reluctance motor, and electric vehicle |
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| CN110277851A (en) * | 2019-07-23 | 2019-09-24 | 中达电机股份有限公司 | Mixed magneto rotor and its mixed magneto |
| CN115065183A (en) * | 2022-08-19 | 2022-09-16 | 东南大学 | Double-layer open-air-gap asymmetric generator for aviation based on topology optimization method |
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