CN114938087B - High-frequency transformer integrated two-module magnetic flux switching motor - Google Patents
High-frequency transformer integrated two-module magnetic flux switching motor Download PDFInfo
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- CN114938087B CN114938087B CN202210632938.XA CN202210632938A CN114938087B CN 114938087 B CN114938087 B CN 114938087B CN 202210632938 A CN202210632938 A CN 202210632938A CN 114938087 B CN114938087 B CN 114938087B
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- 230000004907 flux Effects 0.000 title claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 107
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000010354 integration Effects 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a high-frequency transformer integrated double-module magnetic flux switching motor, which comprises a stator assembly and a rotor assembly, wherein the stator assembly comprises a stator module, the stator module comprises a plurality of stator iron cores which are circumferentially arranged, a first armature winding, a second armature winding, a third armature winding and a plurality of permanent magnets which are arranged between the stator iron cores, the rotor assembly comprises a rotating shaft and two groups of rotor modules which are axially arranged along the rotating shaft, the rotor module comprises a plurality of rotor teeth, and an included angle exists between the rotor teeth on the two rotor modules along the circumferential direction. This patent is with motor structure reconfiguration transformer, makes electric automobile actuating system and charging system in the interior limited space high integration of car, simplifies on-vehicle charging system, realizes the high integration of battery charging outfit.
Description
Technical Field
The invention relates to the technical field of motor manufacturing, in particular to a high-frequency transformer integrated two-module magnetic flux switching motor.
Background
Since the 21 st century, energy crisis and environmental problems have been increasingly highlighted, and experts and scholars have paid great attention to the development of new energy electric vehicles, so that the electric vehicle industry has been developed at a high speed in the global scope. However, due to the battery technology, consumers have concerns about the cruising ability of the electric vehicle, and become a main bottleneck problem of the electric vehicle, so that the development of a convenient, rapid, effective and low-cost highly integrated charging system of the electric vehicle has quite important significance.
For safety reasons, motors with electrical isolation function are always a better choice for integrated charging systems. Currently, the main idea of adding electrical isolation functions in integrated vehicle-mounted charging systems is to add or construct an isolation transformer in the power stage. The addition of the isolation transformer can obviously increase the cost and the quality of the whole vehicle for the whole vehicle manufacturer, occupy the limited space in the vehicle, and is not in line with the current trend of light weight of the whole vehicle. On the other hand, the electric automobile field provides higher requirements for the speed regulation range and fault tolerance of the motor and the driving system thereof, so that the characteristics of high efficiency and high power density of the traditional permanent magnet motor are inherited, meanwhile, the hybrid excitation type magnetic flux switching motor with the direct magnetic field regulation capability of the electric excitation motor is more and more concerned in the electric automobile field, and the hybrid excitation type motor has various advantages due to the special motor structure and electromagnetic characteristics when an integrated charging system is constructed, and provides a new technical scheme for the development of the integrated charging system.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and providing an integrated two-module magnetic flux switching motor of a high-frequency transformer.
The invention is realized by the following technical scheme:
The integrated double-module magnetic flux switching motor of the high-frequency transformer comprises a stator assembly and a rotor assembly, wherein the stator assembly comprises a stator module, the stator module comprises a plurality of stator iron cores arranged at the periphery, a first armature winding, a second armature winding, a third armature winding and a plurality of permanent magnets arranged between the stator iron cores, and the stator iron cores are of a double-E structure; the rotor assembly comprises a rotating shaft and two groups of rotor modules axially arranged along the rotating shaft, wherein each rotor module comprises a plurality of rotor teeth, and an included angle exists between the rotor teeth on each rotor module along the circumferential direction.
According to the above technical scheme, preferably, the stator assembly comprises two groups of stator modules coaxially arranged, a magnetism isolating ring is arranged between the two stator modules, the stator modules comprise 12 stator cores, the stator modules comprise 12 permanent magnets, the permanent magnets are magnetized tangentially, the magnetizing directions of adjacent permanent magnets in each stator module are opposite, and the magnetizing directions of permanent magnets at the same position of the two stator modules are opposite. The rotor module comprises 20 rotor teeth, and the rotor teeth on the two rotor modules are different by 9 degrees along the circumferential direction.
According to the above technical solution, preferably, the first armature winding and the second armature winding are both wound on stator yokes of two stator cores distributed in the axial direction, and the third armature winding is wound on intermediate teeth of the stator cores. The first armature winding, the second armature winding and the third armature winding respectively comprise an A-phase winding, a B-phase winding and a C-phase winding, and the phase difference between the A-phase winding, the B-phase winding and the C-phase winding is 120 degrees.
The beneficial effects of the invention are as follows:
Firstly, the motor structure is reconstructed into the transformer, so that the driving system and the charging system of the electric automobile are highly integrated in the limited space of the automobile, the vehicle-mounted charging system is simplified, and the high integration of the charging equipment is realized; secondly, the invention has two operation modes of pure permanent magnet excitation and mixed excitation, when the permanent magnet has irreversible demagnetization fault, the size of an air gap magnetic field can be adjusted by changing the current intensity of an excitation winding, the normal operation of the motor is maintained, the fault tolerance of the motor is improved, and the requirements under different working conditions are met; third, the first armature winding and the second armature winding are isolated in magnetic circuit and are redundant, when one set of armature winding fails, the other set of armature winding can work normally, short-time stable operation under the motor failure state is maintained, and the reliability and safety of motor operation are improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a portion of a rotor assembly according to the present invention.
Fig. 3 is a schematic winding diagram of a stator module portion of the present invention.
Fig. 4 is a construction diagram of the permanent magnet assembly of the present invention.
Fig. 5 is a schematic perspective view of a magnetism isolating ring portion of the present invention.
Fig. 6 is a schematic diagram of the mode of operation of the motor high frequency transformer of the present invention.
Fig. 7 is a schematic diagram of the motor drive mode of operation of the present invention.
In the figure: 1. a stator assembly; 2. a rotor assembly; 3. a stator module; 4. a magnetism isolating ring; 5. a stator core; 6. a permanent magnet; 7. a first armature winding; 8. a third armature winding; 9. a second armature winding; 10. a middle tooth; 11. a rotor module; 12. a rotating shaft.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present invention. All other embodiments, based on the embodiments of the invention, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
As shown in the drawings, the present invention includes a stator assembly 1 and a rotor assembly 2, the stator assembly 1 includes a stator module 3, the stator module 3 includes a plurality of stator cores 5 circumferentially arranged, a first armature winding 7, a second armature winding 9, a third armature winding 8 wound on each stator core 5, and a plurality of permanent magnets 6 disposed between each stator core 5, the stator cores 5 are of a double-E structure, and the stator cores 5 of two E structures are in opposite-parallel connection, so that the stator cores 5 have a stator yoke and intermediate teeth 10. The rotor assembly 2 comprises a rotating shaft 12 and two groups of rotor modules 11 axially arranged along the rotating shaft 12, wherein the rotor modules 11 comprise a plurality of rotor teeth, and an included angle exists between the rotor teeth on the two rotor modules 11 along the circumferential direction. Wherein, stator core 5 and rotor module 11 all adopt the silicon steel sheet to make, exist the air gap between stator module 1 and the rotor module 2.
According to the above embodiment, preferably, the stator assembly 1 includes two sets of stator modules 3 coaxially disposed, and a magnetism isolating ring 4 is disposed between the two stator modules 3, where the magnetism isolating ring 4 is located between the two stator modules 3, and the structure of the magnetism isolating ring is the same as that of each stator core 5 embedded with the permanent magnet 6. The stator modules 3 comprise 12 stator cores 5, the stator modules 3 comprise 12 permanent magnets 6, the permanent magnets 6 are made of neodymium iron boron, samarium cobalt or ferrite permanent magnet materials, each permanent magnet 6 is magnetized tangentially, the magnetizing directions of adjacent permanent magnets 6 in each stator module 3 are opposite, and the magnetizing directions of the permanent magnets 6 at the same position of the two stator modules 3 are opposite.
According to the above embodiment, preferably, the first armature winding 7 and the second armature winding 9 are both wound on the stator yoke portions of the two axially distributed stator cores 5, the third armature winding 8 is wound on the middle teeth 10 of the stator cores 5, and the armature windings are wound on the yoke portions of the stator cores 5 and separated from the permanent magnets 6, so that the permanent magnets 6 are effectively prevented from demagnetizing at high temperature due to heat generation of the armature coils during operation of the motor. The first armature winding 7 and the second armature winding 9 can be operated in series, in parallel or independently according to working conditions, a magnetic circuit where the third armature winding 8 is positioned is connected in series with the magnetic circuits of the first armature winding 7 and the second armature winding 9, and the third armature winding 8 can be connected with a direct current power supply to be used as an excitation winding or can be connected with a power grid side to be used as a primary side winding of the high-frequency transformer.
According to the above embodiment, it is preferable that the first, second and third armature windings 7,9 and 8 include a-phase, B-phase and C-phase windings, respectively, which are different from each other by 120 ° in electrical angle. Specifically, for the first armature winding and the second armature winding, which are provided as two identical windings, since the directions of the magnetic rushing of the adjacent permanent magnets 6 are opposite, the winding manners of the adjacent windings are also opposite, and it can be determined from fig. 3 that in the first armature winding 7, the second armature winding 9, the a-phase winding includes four coils a1, a2, a3, and a4, the B-phase winding includes four coils B1, B2, B3, and B4, and the C-phase winding includes four coils C1, C2, C3, and C4. For the third armature winding, as the direction of the magnetic flux of the adjacent permanent magnets 6 is reversed, the winding manner of the adjacent windings is reversed, and also in the third armature winding 8, it can be confirmed from fig. 3 that the a-phase winding includes four coils a1, a2, a3 and a4, the B-phase winding includes four coils B1, B2, B3 and B4, and the C-phase winding includes four coils C1, C2, C3 and C4.
According to the above embodiment, preferably, the rotor modules 11 include 20 rotor teeth, the rotor teeth on two rotor modules 11 are different by 9 ° along the circumferential direction, wherein the two rotor modules 11 are different by pi/Pr (where Pr is the number of rotor teeth, herein pr=20) in space, and the magnetizing directions of the permanent magnets 6 at the same positions of the adjacent two stator modules 3 are opposite to the direction of the magnetic field of the exciting coil, so that the even harmonic of the permanent magnet flux linkage in the first armature winding 7 and the second armature winding 9 is cancelled, and the permanent magnet flux linkage is closer to a sine wave.
The invention has two operation modes of a driving mode and a charging mode: in a driving mode, a third armature winding on the stator is connected in series to serve as an excitation winding for use, a permanent magnetic field is regulated, and the speed regulation range and overload capacity of the motor are improved; and under the charging mode, the third armature winding on the stator is reconfigured into a three-phase alternating-current winding which is used as a primary side winding of the transformer and connected into a power grid, and the first armature winding and the second armature winding are respectively used as a secondary side winding of the transformer and matched with the inverter to charge the battery pack.
Based on the scheme, the invention has the following technical effects: firstly, the motor structure is reconstructed into the transformer, so that the driving system and the charging system of the electric automobile are highly integrated in the limited space of the automobile, the vehicle-mounted charging system is simplified, and the high integration of the charging equipment is realized; secondly, the invention has two operation modes of pure permanent magnet excitation and mixed excitation, when the permanent magnet has irreversible demagnetization fault, the size of an air gap magnetic field can be adjusted by changing the current intensity of an excitation winding, the normal operation of the motor is maintained, the fault tolerance of the motor is improved, and the requirements under different working conditions are met; third, the first armature winding and the second armature winding are isolated in magnetic circuit and are redundant, when one set of armature winding fails, the other set of armature winding can work normally, short-time stable operation under the motor failure state is maintained, and the reliability and safety of motor operation are improved.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (5)
1. The utility model provides a high frequency transformer integration two module magnetic flux switching motor, includes stator module and rotor subassembly, its characterized in that:
The stator assembly comprises a stator module, wherein the stator module comprises a plurality of stator cores arranged circumferentially, a first armature winding, a second armature winding, a third armature winding and a plurality of permanent magnets arranged among the stator cores, wherein the first armature winding, the second armature winding and the third armature winding are wound on the stator cores;
the rotor assembly comprises a rotating shaft and two groups of rotor modules axially arranged along the rotating shaft, wherein each rotor module comprises a plurality of rotor teeth, and an included angle exists between the rotor teeth on the two rotor modules along the circumferential direction;
The stator iron core is of a double-E-shaped structure, the stator assembly comprises two groups of stator modules which are coaxially arranged, and a magnetism isolating ring is arranged between the two stator modules;
the first armature winding and the second armature winding are wound on stator yoke parts of two axially distributed stator cores, and the third armature winding is wound on middle teeth of the stator cores;
the first armature winding and the second armature winding can be operated in series, in parallel or independently according to working conditions;
in a driving mode, connecting a magnetic circuit where a third armature winding is positioned with the magnetic circuits of the first armature winding and the second armature winding in series, wherein the third armature winding can be connected with a direct current power supply and used as an excitation winding;
and under the charging mode, the third armature winding is reconfigured into a three-phase alternating-current winding which is used as a primary side winding of the transformer and connected into a power grid, and the first armature winding and the second armature winding are respectively used as a secondary side winding of the transformer and matched with an inverter to charge the battery pack.
2. The integrated two-module flux switching motor of claim 1, wherein: the stator module includes 12 stator cores.
3. The integrated two-module flux switching motor of claim 2, wherein: the stator modules comprise 12 permanent magnets, the permanent magnets are magnetized tangentially, the magnetizing directions of adjacent permanent magnets in each stator module are opposite, and the magnetizing directions of permanent magnets at the same position of the two stator modules are opposite.
4. The integrated two-module flux switching motor of claim 2, wherein: the first armature winding, the second armature winding and the third armature winding respectively comprise an A-phase winding, a B-phase winding and a C-phase winding, and the phase difference between the A-phase winding, the B-phase winding and the C-phase winding is 120 degrees.
5. The integrated two-module flux switching motor of claim 1, wherein: the rotor module comprises 20 rotor teeth, and the rotor teeth on the two rotor modules are different by 9 degrees along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632938.XA CN114938087B (en) | 2022-06-06 | 2022-06-06 | High-frequency transformer integrated two-module magnetic flux switching motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210632938.XA CN114938087B (en) | 2022-06-06 | 2022-06-06 | High-frequency transformer integrated two-module magnetic flux switching motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114938087A CN114938087A (en) | 2022-08-23 |
| CN114938087B true CN114938087B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210632938.XA Active CN114938087B (en) | 2022-06-06 | 2022-06-06 | High-frequency transformer integrated two-module magnetic flux switching motor |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB116891A (en) * | 1915-11-22 | 1919-06-04 | Ernest Chretien Diem | Improvements in or relating to Self-excited Alternators. |
| JPH0564351A (en) * | 1991-09-04 | 1993-03-12 | Fuji Electric Co Ltd | Overcurrent protection circuit for switching power supply equipment |
| WO2007010934A1 (en) * | 2005-07-19 | 2007-01-25 | Denso Corporation | Ac motor and its control device |
| CN201536308U (en) * | 2009-09-17 | 2010-07-28 | 苏州工业园区美能新能源有限公司 | Novel composite excitation permanent-magnet synchronous generator |
| CN102710200A (en) * | 2012-05-17 | 2012-10-03 | 中国石油大学(华东) | Directly-drive wind power generation system composed of high temperature superconductive excitation magnetic flux switchover motor |
| CN103312104A (en) * | 2013-06-24 | 2013-09-18 | 南京航空航天大学 | Dual-rotor flux-switching permanent-magnet motor |
| CN104506011A (en) * | 2014-12-18 | 2015-04-08 | 江苏大学 | Flux switching permanent magnet motor suitable for extended range electric vehicle |
| CN104539125A (en) * | 2015-01-19 | 2015-04-22 | 上海电机学院 | Mixed excitation flux switching motor |
| CN108258820A (en) * | 2018-03-07 | 2018-07-06 | 南京航空航天大学 | A kind of non-overlapping winding tooth socket type birotor permanent magnetic synchronous motor |
| CN109962535A (en) * | 2017-12-14 | 2019-07-02 | 林贵生 | Permanent magnet solenoid salient pole pair and its motor with collection of energy coil |
| CN113067446A (en) * | 2021-05-20 | 2021-07-02 | 河北工业大学 | Double-modularization hybrid excitation flux switching motor |
| CN113659787A (en) * | 2021-07-15 | 2021-11-16 | 西安理工大学 | Five-phase axial flux permanent magnet motor for electric automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022064510A1 (en) * | 2020-09-26 | 2022-03-31 | Tvs Motor Company Limited | An electrical machine of a vehicle |
-
2022
- 2022-06-06 CN CN202210632938.XA patent/CN114938087B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB116891A (en) * | 1915-11-22 | 1919-06-04 | Ernest Chretien Diem | Improvements in or relating to Self-excited Alternators. |
| JPH0564351A (en) * | 1991-09-04 | 1993-03-12 | Fuji Electric Co Ltd | Overcurrent protection circuit for switching power supply equipment |
| WO2007010934A1 (en) * | 2005-07-19 | 2007-01-25 | Denso Corporation | Ac motor and its control device |
| CN201536308U (en) * | 2009-09-17 | 2010-07-28 | 苏州工业园区美能新能源有限公司 | Novel composite excitation permanent-magnet synchronous generator |
| CN102710200A (en) * | 2012-05-17 | 2012-10-03 | 中国石油大学(华东) | Directly-drive wind power generation system composed of high temperature superconductive excitation magnetic flux switchover motor |
| CN103312104A (en) * | 2013-06-24 | 2013-09-18 | 南京航空航天大学 | Dual-rotor flux-switching permanent-magnet motor |
| CN104506011A (en) * | 2014-12-18 | 2015-04-08 | 江苏大学 | Flux switching permanent magnet motor suitable for extended range electric vehicle |
| CN104539125A (en) * | 2015-01-19 | 2015-04-22 | 上海电机学院 | Mixed excitation flux switching motor |
| CN109962535A (en) * | 2017-12-14 | 2019-07-02 | 林贵生 | Permanent magnet solenoid salient pole pair and its motor with collection of energy coil |
| CN108258820A (en) * | 2018-03-07 | 2018-07-06 | 南京航空航天大学 | A kind of non-overlapping winding tooth socket type birotor permanent magnetic synchronous motor |
| CN113067446A (en) * | 2021-05-20 | 2021-07-02 | 河北工业大学 | Double-modularization hybrid excitation flux switching motor |
| CN113659787A (en) * | 2021-07-15 | 2021-11-16 | 西安理工大学 | Five-phase axial flux permanent magnet motor for electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114938087A (en) | 2022-08-23 |
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