CN111092503A - Motor rotor and reluctance motor - Google Patents
Motor rotor and reluctance motor Download PDFInfo
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- CN111092503A CN111092503A CN201911252217.0A CN201911252217A CN111092503A CN 111092503 A CN111092503 A CN 111092503A CN 201911252217 A CN201911252217 A CN 201911252217A CN 111092503 A CN111092503 A CN 111092503A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 86
- 230000004907 flux Effects 0.000 claims abstract description 25
- 230000005389 magnetism Effects 0.000 claims abstract description 19
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 54
- 150000002910 rare earth metals Chemical class 0.000 claims description 54
- 230000004888 barrier function Effects 0.000 claims description 20
- 230000010349 pulsation Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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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
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The application provides a motor rotor and a reluctance motor. This electric motor rotor includes along the tombarthite permanent magnetism section (1) and synchronous magnetic resistance section (2) that the axial was arranged, and electric motor rotor's the at least one axial end tip is provided with synchronous magnetic resistance section (2), and tombarthite permanent magnetism section (1) adjoins with synchronous magnetic resistance section (2), and synchronous magnetic resistance section (2) and tombarthite permanent magnetism section (1) coaxial setting, and follow the relative fixed of circumferential direction. According to the motor rotor, the axial flux density of the motor can be optimized, the magnetic leakage at the end part of the permanent magnet rotor is reduced, the local flux density saturation condition of a motor iron core is alleviated, the torque pulsation of the motor is reduced, and the power factor and the efficiency are improved.
Description
Technical Field
The application relates to the technical field of motor equipment, in particular to a motor rotor and a reluctance motor.
Background
In recent years, permanent magnet synchronous motors have been widely used in the field of industrial control because of their excellent characteristics. However, rare earth permanent magnet materials are expensive, rare earth resources are not renewable, and pollution is great in the production process, so that the design and optimization of motors without using or only using a small amount of rare earth permanent magnet materials are gradually called as research hotspots, and more attention is paid in recent years.
The synchronous reluctance motor is also called as a reaction type motor, is one of synchronous motors, and has the obvious characteristic that a rotor does not have an excitation winding or a permanent magnet and cannot generate a magnetic field compared with an electric excitation or permanent magnet synchronous motor. The torque required by the motor operation is provided by reluctance torque generated by different direct and alternating magnetic circuits, so that energy conversion is realized.
Since the synchronous reluctance motor does not use permanent magnet materials but uses reluctance torque to provide torque output, the rotor reluctance needs to be designed to be nonuniform in space to improve the torque, and the nonuniform rotor reluctance distribution generates larger torque pulsation and the power factor of the motor is lower.
Disclosure of Invention
Therefore, the technical problem that this application will be solved lies in providing a motor rotor and reluctance machine, can optimize motor axial flux density, reduces permanent magnet rotor tip magnetic leakage, alleviates the local flux density saturation condition of motor core, reduces motor torque ripple, improves power factor and efficiency.
In order to solve the problem, the application provides an electric motor rotor, including the tombarthite permanent magnetism section and the synchronous reluctance section of arranging along the axial, electric motor rotor's the at least one axial end tip is provided with synchronous reluctance section, and tombarthite permanent magnetism section borders on with synchronous reluctance section, and synchronous reluctance section and the coaxial setting of tombarthite permanent magnetism section, and follow the circumferential direction relatively fixed.
Preferably, the rare earth permanent magnet segments and the synchronous reluctance segments have the same number of magnetic poles.
Preferably, the end parts of two axial ends of the motor rotor are respectively provided with a synchronous reluctance section, and the rare earth permanent magnet section is arranged between the synchronous reluctance sections at the two ends.
Preferably, the rare-earth permanent magnet segments and the synchronous reluctance segments are alternately arranged in the axial direction.
Preferably, the synchronous reluctance section comprises a first rotor core and a plurality of magnetic barrier groups arranged on the first rotor core along the circumferential direction, each magnetic barrier group comprises magnetic flux barriers arranged at intervals along the radial direction, and a magnetic conduction channel is formed between every two adjacent magnetic flux barriers.
Preferably, the rare earth permanent magnet segment includes a second rotor core and a permanent magnet disposed on the second rotor core.
Preferably, an included angle theta is formed between the d axis of the synchronous reluctance section and the d axis of the rare earth permanent magnet section, wherein theta is more than or equal to 0 degree and less than or equal to 30 degrees.
Preferably, the outer diameter of the rare earth permanent magnet section is D1, and the outer diameter of the synchronous reluctance section is D2, wherein D1< D2.
Preferably, 0.1 mm. ltoreq (D2-D1. ltoreq.0.8 mm.
Preferably, the stack height of the single-section rare earth permanent magnet section is Lx, and the stack height of the single-section synchronous reluctance section is Ly, wherein the stack height is more than or equal to 0.8 and less than or equal to 1 (Lx/Ly).
Preferably, the radial thickness of the permanent magnet of the rare earth permanent magnet section is H1, and the average radial thickness of the magnetic flux barriers is H2, and is more than or equal to 0.5 (H1/H2) and less than or equal to 0.8.
Preferably, the permanent magnet has a pole arc coefficient A, the synchronous reluctance section has an outer diameter D2, and the radially outermost flux barrier has a minimum distance D3 from the central axis of the rotor of the machine, wherein (D3/D2) is ≦ A.
Preferably, the permanent magnet is in a straight line shape, and the permanent magnet is perpendicular to the d axis of the rare earth permanent magnet section.
According to another aspect of the present application, a reluctance motor is provided, which includes a motor rotor and a motor stator, wherein the motor rotor is the motor rotor described above.
The application provides an electric motor rotor, including the tombarthite permanent magnetism section and the synchronous reluctance section of arranging along the axial, electric motor rotor's the at least one end tip of axial is provided with the synchronous reluctance section, and tombarthite permanent magnetism section borders on with the synchronous reluctance section, and synchronous reluctance section and the coaxial setting of tombarthite permanent magnetism section, and follow circumference direction relatively fixed. Motor rotor in this application, adopt tombarthite permanent magnetism section and synchronous reluctance section mixed use's structure, tombarthite permanent magnet machine and synchronous reluctance machine's advantage has been synthesized, tip through at tombarthite permanent magnetism section rotor increases synchronous reluctance section rotor, can effectively utilize the great magnetic leakage that the high formation of tombarthite rotor magnetic density, improve synchronous reluctance rotor's air gap magnetic density, thereby improve the whole price/performance ratio of motor, optimize motor axial magnetic density, reduce permanent magnet rotor tip magnetic leakage, alleviate the local magnetic density saturation condition of motor core, reduce motor torque pulsation, power factor and efficiency are improved.
Drawings
Fig. 1 is an exploded schematic view of a rotor of an electric machine according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a rotor of an electric machine according to an embodiment of the present application;
FIG. 3 is a schematic axial flux density dilution of a rotor of an electric machine according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a synchronous reluctance segment of a rotor of an electric machine according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a rare earth permanent magnet segment of a rotor of an electric machine according to an embodiment of the present application;
fig. 6 is a schematic view of a rotor magnetic field of a rotor of an electric machine according to an embodiment of the present application.
The reference numerals are represented as:
1. a rare earth permanent magnet section; 2. a synchronous reluctance section; 3. a first rotor core; 4. a magnetic flux barrier; 5. a magnetic conduction channel; 6. a second rotor core; 7. a permanent magnet; 8. and (4) riveting.
Detailed Description
With combined reference to fig. 1 to 6, according to an embodiment of the present application, the motor rotor includes a rare earth permanent magnet section 1 and a synchronous reluctance section 2 that are arranged along an axial direction, at least one axial end of the motor rotor is provided with the synchronous reluctance section 2, the rare earth permanent magnet section 1 is adjacent to the synchronous reluctance section 2, and the synchronous reluctance section 2 and the rare earth permanent magnet section 1 are coaxially disposed and relatively fixed along a circumferential direction.
Motor rotor in this application, adopt tombarthite permanent magnetism section and synchronous reluctance section mixed use's structure, tombarthite permanent magnet machine and synchronous reluctance machine's advantage has been synthesized, tip through at tombarthite permanent magnetism section rotor increases synchronous reluctance section rotor, can effectively utilize the great magnetic leakage that the high formation of tombarthite rotor magnetic density, improve synchronous reluctance rotor's air gap magnetic density, thereby improve the whole price/performance ratio of motor, optimize motor axial magnetic density, reduce permanent magnet rotor tip magnetic leakage, alleviate the local magnetic density saturation condition of motor core, reduce motor torque pulsation, power factor and efficiency are improved.
Preferably, the number of the magnetic poles of the rare earth permanent magnet section 1 is the same as that of the magnetic poles of the synchronous reluctance section 2, so that the magnetic poles of the rare earth permanent magnet section 1 and the magnetic poles of the synchronous reluctance section 2 form a better corresponding relation, the magnetic leakage of the rare earth rotor can be utilized to the maximum extent through the synchronous reluctance rotor, the magnetic leakage of the motor is further reduced, and the performance of the motor is improved.
Preferably, electric motor rotor's axial both ends tip is provided with synchronous reluctance section 2 respectively, and tombarthite permanent magnetism section 1 sets up between the synchronous reluctance section 2 at both ends, can utilize synchronous reluctance section to optimize simultaneously at tombarthite permanent magnetism section 1's both ends for tombarthite permanent magnetism section 1's both ends magnetic leakage homoenergetic enough obtains more abundant utilization, further reduces permanent magnet rotor tip magnetic leakage, improves motor efficiency.
The rare earth permanent magnet sections 1 and the synchronous reluctance sections 2 are alternately arranged along the axial direction. In the embodiment, a mode that a rare earth permanent magnet section 1 and two synchronous reluctance sections 2 are combined is adopted, and the rare earth permanent magnet section 1 is arranged between the two synchronous reluctance sections 2 to form the combined sectional type motor rotor.
In other embodiments, the rare-earth permanent magnet segments 1 and the synchronous reluctance segments 2 can be arranged in other various ways, such as 2-1-2-1-2, 2-1-2-1, 2-1-2-1-2, etc., preferably, the sum of the numbers of the rare-earth permanent magnet segments 1 and the synchronous reluctance segments 2 is odd, the middle is the rare-earth permanent magnet segments 1, the end is the synchronous reluctance segments 2, and the other rare-earth permanent magnet segments 1 and the synchronous reluctance segments 2 are alternately arranged along the axial direction.
The synchronous reluctance section 2 includes a first rotor core 3 and a plurality of magnetic barrier groups circumferentially disposed on the first rotor core 3, the magnetic barrier groups include magnetic flux barriers 4 radially disposed at intervals, and a magnetic conduction path 5 is formed between adjacent magnetic flux barriers 4.
The rare earth permanent magnet segment 1 comprises a second rotor core 6 and a permanent magnet 7 arranged on the second rotor core 6.
An included angle theta is formed between the d-axis of the synchronous reluctance section 2 and the d-axis of the rare earth permanent magnet section 1, wherein the theta is more than or equal to 0 degree and less than or equal to 30 degrees.
The internal magnetic field of the motor rotor is as shown in fig. 6, the motor rotor is corresponding to a synchronous reluctance section rotor, a dotted line corresponds to a rare earth permanent magnet section rotor, an included angle theta exists between a d-axis of the synchronous reluctance section rotor and a d-axis of the rare earth permanent magnet section rotor, the motor output torque is composed of reluctance torque and permanent magnet torque, and according to a motor theoretical torque formula:
wherein p is the number of poles of the motor, #fIs a permanent magnet flux linkage, IsIs stator current, LdIs a direct-axis inductor of the motor, LqThe motor quadrature axis inductance is shown as β, which is a weak magnetic angle.
The rare earth permanent magnet motor and the synchronous reluctance motor output torque simultaneously in the axial direction of the motor, and the synthetic torque formula is as follows:
wherein p is the number of poles of the motor, #fIs a permanent magnet flux linkage, IsIs stator current, Ld1D-axis inductance, L, for synchronous reluctance rotorsq1Q-axis inductance, L, for synchronous reluctance rotorsd2D-axis inductance, L, of reluctance rotorsq2Q-axis inductance for reluctance rotors, β1For field weakening angle of synchronous reluctance segments, β2Is the weak magnetic angle of the permanent magnetic section.
The β angular difference between the rare earth permanent magnet section 1 and the synchronous reluctance section 2 is theta, when theta is more than or equal to 0 degree and less than or equal to 30 degrees, the weak magnetic state of load torque can be effectively controlled, and the high-efficiency operation interval is increased.
The outer diameter of the rare earth permanent magnet section 1 is D1, the outer diameter of the synchronous reluctance section 2 is D2, wherein D1< D2.
Preferably, 0.1 mm. ltoreq (D2-D1. ltoreq.0.8 mm.
Referring to fig. 3 in combination, after the relation between the outer diameter of the rare earth permanent magnet segment 1 and the outer diameter of the synchronous reluctance segment 2 is defined, the end leakage flux of the rare earth permanent magnet segment rotor can be more effectively transmitted to the adjacent synchronous reluctance segment rotor through the axial direction, the end leakage flux of the rare earth permanent magnet segment rotor is reduced while the magnetic flux density of the synchronous reluctance rotor is increased, and the air gap magnetic flux density is alleviated, so that the motor efficiency and the effective power factor are increased, and compared with a synchronous reluctance motor, the motor efficiency is increased by 6%.
Preferably, the stack height of the single-section rare earth permanent magnet section 1 is Lx, and the stack height of the single-section synchronous reluctance section 2 is Ly, wherein the stack height is more than or equal to 0.8 and less than or equal to (Lx/Ly) and less than or equal to 1. Along with the increase of the ratio of Lx/Ly, the efficiency of the motor can be improved to a certain extent, however, the corresponding cost of the motor is greatly positive, so the consideration of energy efficiency and cost is integrated, and the limitation of 0.8 (Lx/Ly) to 1 is a better scheme, so that the energy efficiency and the cost can be well balanced.
Preferably, the radial thickness of the permanent magnet 7 of the rare earth permanent magnet section 1 is H1, the average radial thickness of the magnetic flux barrier 4 is H2, and the average radial thickness is more than or equal to 0.5 (H1/H2) and less than or equal to 0.8; the comprehensive cost performance of the motor efficiency and the cost in the range is highest.
Preferably, the pole arc coefficient of the permanent magnet 7 is A, the outer diameter of the synchronous reluctance section 2 is D2, the minimum distance between the radially outermost flux barrier 4 and the central axis of the rotor of the motor is D3, wherein (D3/D2) is less than or equal to A; the design can ensure that the comprehensive power factor of the motor is above 0.85, thereby ensuring the working energy efficiency of the motor.
In the embodiment, the permanent magnet 7 is in a straight line shape, and the permanent magnet 7 is perpendicular to the d axis of the rare earth permanent magnet section 1. The permanent magnet 7 may also have other configurations and forms, such as a V-shape or a trapezoidal shape.
In the present application, the assembly of a motor rotor will be described by taking a three-stage rotor as an example. Rivet holes are respectively arranged on the synchronous reluctance section 2 and the rare earth permanent magnet section 1, a magnetic flux barrier 4 is arranged on the synchronous reluctance section 2, a permanent magnet installation groove is arranged on the rare earth permanent magnet section 1, a permanent magnet is installed in the permanent magnet installation groove of the rare earth permanent magnet section 1, and after the permanent magnet 7 on the rare earth permanent magnet section 1 is installed, three sections of rotors are assembled into a whole rotor through rivets 8 according to the sequence of the synchronous reluctance section 2-the rare earth permanent magnet section 1-the synchronous reluctance section 2. The three-segment rotor can also be fixedly connected together in other manners, such as screw connection and the like.
According to an embodiment of the present application, a reluctance motor includes a motor rotor and a motor stator, and the motor rotor is the motor rotor described above.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (14)
1. The utility model provides an electric motor rotor, its characterized in that includes along the tombarthite permanent magnetism section (1) and synchronous reluctance section (2) that the axial was arranged, electric motor rotor's the at least one end tip of axial is provided with synchronous reluctance section (2), tombarthite permanent magnetism section (1) with synchronous reluctance section (2) adjoin, synchronous reluctance section (2) with tombarthite permanent magnetism section (1) coaxial setting, and follow circumference direction relatively fixed.
2. An electric machine rotor, according to claim 1, characterized in that said rare-earth permanent magnet segments (1) and said synchronous reluctance segments (2) have the same number of poles.
3. The electric machine rotor according to claim 1, characterized in that the synchronous reluctance sections (2) are respectively arranged at both axial end portions of the electric machine rotor, and the rare-earth permanent magnet section (1) is arranged between the synchronous reluctance sections (2) at both ends.
4. An electric machine rotor according to any of claims 1-3, characterized in that the rare-earth permanent magnet segments (1) and the synchronous reluctance segments (2) are arranged alternately in the axial direction.
5. An electric machine rotor according to claim 1, characterized in that the synchronous reluctance segment (2) comprises a first rotor core (3) and a plurality of magnetic barrier groups circumferentially arranged on the first rotor core (3), the magnetic barrier groups comprising radially spaced magnetic flux barriers (4), a magnetic conduction channel (5) being formed between adjacent magnetic flux barriers (4).
6. An electric machine rotor according to claim 5, characterized in that the rare earth permanent magnet segment (1) comprises a second rotor core (6) and permanent magnets (7) arranged on the second rotor core (6).
7. An electric machine rotor according to claim 6, characterized in that the d-axis of the synchronous reluctance section (2) forms an angle θ with the d-axis of the rare earth permanent magnet section (1), where 0 ° ≦ θ ≦ 30 °.
8. An electric machine rotor, according to claim 1, characterized in that the outer diameter of the rare earth permanent magnet segment (1) is D1 and the outer diameter of the synchronous reluctance segment (2) is D2, where D1< D2.
9. An electric motor rotor as claimed in claim 8, characterized in that 0.1mm ≦ (D2-D1) 0.8 mm.
10. The rotor of an electric machine according to claim 1, characterized in that the stack height of a single section of the rare earth permanent magnet section (1) is Lx, and the stack height of a single section of the synchronous reluctance section (2) is Ly, wherein 0.8 ≦ (Lx/Ly) ≦ 1.
11. An electric machine rotor, as claimed in claim 6, characterised in that the permanent magnets (7) of the rare earth permanent magnet segments (1) have a radial thickness H1, and the flux barriers (4) have an average radial thickness H2, 0.5 ≦ (H1/H2). ltoreq.0.8.
12. An electric machine rotor according to claim 6, characterised in that the pole arc coefficient of the permanent magnets (7) is A, the outer diameter of the synchronous reluctance segment (2) is D2, and the minimum distance of the radially outermost flux barrier (4) from the centre axis of the electric machine rotor is D3, where (D3/D2) is.ltoreq.A.
13. An electric machine rotor according to claim 6, characterized in that the permanent magnets (7) are in-line, the permanent magnets (7) being perpendicular to the d-axis of the rare earth permanent magnet segments (1).
14. A reluctance machine comprising a machine rotor and a machine stator, characterized in that the machine rotor is a machine rotor according to any of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252217.0A CN111092503B (en) | 2019-12-09 | 2019-12-09 | Motor rotor and reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252217.0A CN111092503B (en) | 2019-12-09 | 2019-12-09 | Motor rotor and reluctance motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111092503A true CN111092503A (en) | 2020-05-01 |
| CN111092503B CN111092503B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911252217.0A Active CN111092503B (en) | 2019-12-09 | 2019-12-09 | Motor rotor and reluctance motor |
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| Country | Link |
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| CN (1) | CN111092503B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688511A (en) * | 2020-12-10 | 2021-04-20 | 山东大学 | Asymmetric integrated rotor type permanent magnet synchronous reluctance motor, method and application |
| CN114400809A (en) * | 2021-12-30 | 2022-04-26 | 中车永济电机有限公司 | Axial superposition type permanent magnet auxiliary synchronous reluctance motor rotor structure |
| US12132354B2 (en) * | 2020-10-01 | 2024-10-29 | Hl Mando Corporation | Electric motor having stacked different rotor segments and method for designing the same |
| CN119362746A (en) * | 2024-12-23 | 2025-01-24 | 天蔚蓝电驱动科技(江苏)有限公司 | Permanent magnet motor rotor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409459A (en) * | 2001-08-29 | 2003-04-09 | 松下电器产业株式会社 | Motor |
| CN105391201A (en) * | 2014-08-29 | 2016-03-09 | 西门子公司 | Dynamo-electric machine with reluctance and permanent magnet rotor |
-
2019
- 2019-12-09 CN CN201911252217.0A patent/CN111092503B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409459A (en) * | 2001-08-29 | 2003-04-09 | 松下电器产业株式会社 | Motor |
| CN105391201A (en) * | 2014-08-29 | 2016-03-09 | 西门子公司 | Dynamo-electric machine with reluctance and permanent magnet rotor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12132354B2 (en) * | 2020-10-01 | 2024-10-29 | Hl Mando Corporation | Electric motor having stacked different rotor segments and method for designing the same |
| CN112688511A (en) * | 2020-12-10 | 2021-04-20 | 山东大学 | Asymmetric integrated rotor type permanent magnet synchronous reluctance motor, method and application |
| CN114400809A (en) * | 2021-12-30 | 2022-04-26 | 中车永济电机有限公司 | Axial superposition type permanent magnet auxiliary synchronous reluctance motor rotor structure |
| CN119362746A (en) * | 2024-12-23 | 2025-01-24 | 天蔚蓝电驱动科技(江苏)有限公司 | Permanent magnet motor rotor |
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| CN111092503B (en) | 2021-03-23 |
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