CN111277091B - Truncated cone-shaped solid column type bearingless switched reluctance motor - Google Patents
Truncated cone-shaped solid column type bearingless switched reluctance motor Download PDFInfo
- Publication number
- CN111277091B CN111277091B CN202010122822.2A CN202010122822A CN111277091B CN 111277091 B CN111277091 B CN 111277091B CN 202010122822 A CN202010122822 A CN 202010122822A CN 111277091 B CN111277091 B CN 111277091B
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- truncated cone
- switched reluctance
- shaped solid
- 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
- 239000007787 solid Substances 0.000 title claims abstract description 51
- 238000004804 winding Methods 0.000 claims abstract description 96
- 230000005284 excitation Effects 0.000 claims abstract description 53
- 239000000725 suspension Substances 0.000 abstract description 16
- 230000004907 flux Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- 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
- 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
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a truncated cone-shaped solid column type bearingless switched reluctance motor which comprises a first stator, a rotor, a second stator, a rotor and a truncated cone-shaped solid cylinder, wherein the first stator is provided with a first end and a second end; each tooth pole of the first stator and each tooth pole of the second stator are correspondingly sleeved with a first radial excitation winding and a second radial excitation winding which are independently controlled, and each tooth pole of the first stator and each tooth pole of the second stator are connected with an axial excitation winding in series; the axial inner sides of the two stators are provided with a conical outer chamfer structure; the first rotor tooth pole and the second rotor tooth pole have a 15-degree rotation mechanical angle difference; the first rotor, the second rotor and the truncated cone-shaped solid cylinder share one rotating shaft, an air gap length exists between the truncated cone-shaped solid cylinder and outer chamfers of the two stators, when the first radial excitation winding and the second radial excitation winding conduct current, the first rotor and the second rotor provide radial suspension force, the axial excitation winding conducts at the same time, magnetic flux density in teeth of the stators is controlled, the solid cylinder obtains a group of magnetic pulling force, axial components in the group of magnetic pulling force are extracted to achieve axial suspension control, and five-degree-of-freedom suspension is achieved finally.
Description
Technical Field
The invention relates to a truncated cone-shaped solid column type bearingless switched reluctance motor, belonging to the technical field of magnetic suspension switched reluctance motors of motors.
Background
The motor can not be separated in the production process, and along with the increasing requirements of the application fields of turbomachines such as compressors, centrifugal molecular pumps and the like, the development of high speed of the motor is an opportunity and a challenge. The bearingless switched reluctance motor can realize reliable operation, reduce cost, increase power density, and overcome the problem of serious abrasion of mechanical bearings in high-speed operation, thereby bringing opportunities for the development of the bearingless switched reluctance motor.
The common bearingless switched reluctance motor can only realize four-degree-of-freedom suspension, but in a turbine machine, the bearing capacity borne by the shaft is large, and the bearingless switched reluctance motor is challenged to realize five-degree-of-freedom suspension. The existing scheme for solving the five-freedom-degree suspension bearingless switched reluctance motor has an additional axial magnetic bearing and a matched controller, and although the requirement is met in function, the volume and the cost of the whole system are increased, and meanwhile, the problem of complex control is also brought.
Therefore, designing a bearingless switched reluctance motor is a research hotspot and difficulty with the goals of maximizing benefit, minimizing volume and diversifying functions.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the bearing-free switched reluctance motor with the truncated cone-shaped solid column can realize high-speed five-degree-of-freedom suspension, and has the characteristics of high power density, no torque dead zone, small motor size, low cost and the like.
The invention adopts the following technical scheme for solving the technical problems:
a truncated cone-shaped solid column type bearingless switched reluctance motor comprises a first bearingless switched reluctance motor, a second bearingless switched reluctance motor, a rotating shaft and a truncated cone-shaped solid cylinder; the first bearingless switched reluctance motor and the second bearingless switched reluctance motor have the same structure, the first bearingless switched reluctance motor comprises a first stator, a first rotor and a first radial excitation winding, and the second bearingless switched reluctance motor comprises a second stator, a second rotor and a second radial excitation winding; the first rotor is nested in the first stator, the second rotor is nested in the second stator, the truncated cone-shaped solid cylinder is arranged between the first rotor and the second rotor, and the first rotor, the second rotor and the truncated cone-shaped solid cylinder share one rotating shaft;
the number of teeth of the first stator and the second stator is 12, each tooth pole of the first stator is sleeved with a first radial excitation winding, each tooth pole of the second stator is sleeved with a second radial excitation winding, the first radial excitation winding and the second radial excitation winding are independently controlled, each tooth pole of the first stator is sleeved with a first axial excitation winding, the first axial excitation windings on each tooth pole of the first stator are connected in series, each tooth pole of the second stator is sleeved with a second axial excitation winding, the second axial excitation windings on each tooth pole of the second stator are connected in series, and the first axial excitation windings and the second axial excitation windings are reversely connected in series;
the tooth poles of the first stator are opposite to the tooth poles of the second stator, the end faces of all the tooth poles of the first stator, which are positioned on the same side, are of a conical outer chamfer structure, the end faces of all the tooth poles of the second stator, which are positioned on the same side, are of a conical outer chamfer structure, and the end face of the first stator, which is provided with the conical outer chamfer structure, is opposite to the end face of the second stator, which is provided with the conical outer chamfer structure;
the two side end faces of the truncated cone-shaped solid cylinder are both in a cone-shaped outer chamfer structure, an air gap exists between the cone-shaped outer chamfer of the first stator and the cone-shaped outer chamfer of the left side end face of the truncated cone-shaped solid cylinder, an air gap exists between the cone-shaped outer chamfer of the second stator and the cone-shaped outer chamfer of the right side end face of the truncated cone-shaped solid cylinder, no air gap exists between the left side end face of the truncated cone-shaped solid cylinder and the right side end face of the first rotor, no air gap exists between the right side end face of the truncated cone-shaped solid cylinder and the left side end face of the second rotor, and the first rotor, the second rotor and the truncated cone-shaped solid cylinder are integrally processed and formed; the number of the tooth poles of the first rotor and the second rotor is 4, and the tooth poles of the first rotor and the tooth poles of the second rotor are staggered by 15-degree mechanical angle.
In a preferred embodiment of the present invention, the tapered outer chamfers of the end surfaces of all the teeth of the first stator located on the same side have the same size, and the tapered outer chamfers of the end surfaces of all the teeth of the second stator located on the same side have the same size.
As a preferable aspect of the present invention, the first bearingless switched reluctance motor includes three-phase windings, each phase winding includes four winding coils, two adjacent winding coils differ by 90 °, and two adjacent winding coils differ by 30 °.
As a preferable aspect of the present invention, the second bearingless switched reluctance motor includes three-phase windings, each phase winding includes four winding coils, two adjacent winding coils differ by 90 °, and two adjacent winding coils differ by 30 °.
In a preferred embodiment of the present invention, the left end surface of the first stator and the left end surface of the first rotor are located on the same plane, and the right end surface of the second stator and the right end surface of the second rotor are located on the same plane.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
1. the rotor conical chamfer structure of the invention utilizes the inherent winding coil to generate axial magnetic pull force under the condition of not adding an additional axial magnetic bearing, realizes five-degree-of-freedom suspension by combining radial force, reduces cost and improves reliability.
2. The motor structure of the invention does not need additional magnetic bearings, reduces the axial length, improves the critical rotating speed of the rotor, and ensures that the high-speed adaptability of the motor is strong.
3. The invention adopts a double-motor structure, realizes radial suspension at two ends of the motor, has no torque dead zone and increases power density.
4. The truncated cone-shaped solid column type bearingless switched reluctance motor has the advantages of low production cost, cheap processing materials, large axial bearing capacity, high power density and high structural reliability.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a truncated cone-shaped solid column type bearingless switched reluctance motor of the present invention.
Fig. 2 is a schematic three-dimensional structure diagram of a rotor of the truncated cone-shaped solid column type bearingless switched reluctance motor.
Fig. 3 is a schematic three-dimensional structure diagram of a stator of the truncated cone-shaped solid column type bearingless switched reluctance motor of the invention.
Fig. 4 is a top view of a truncated cone solid post bearingless switched reluctance machine of the present invention.
Fig. 5 is a schematic diagram of the air gap flux distribution of a truncated cone solid post bearingless switched reluctance machine of the present invention.
The rotor comprises a rotor body, a stator core, a rotor core and a rotor core, wherein the rotor core comprises 1-a first stator, 2-a first rotor, 3-a first radial excitation winding, 4-a second stator, 5-a second rotor, 6-a second radial excitation winding, 7-a rotating shaft, 8-a truncated cone solid cylinder, 9-a second axial excitation winding and 10-a first axial excitation winding.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1, a schematic diagram of a three-dimensional structure of a truncated cone-shaped solid column type bearingless switched reluctance motor provided by the present invention includes a first bearingless switched reluctance motor, a second bearingless switched reluctance motor, a rotating shaft 7, and a truncated cone-shaped solid column 8; the first bearingless switched reluctance motor comprises a first stator 1, a first rotor 2, a first radial excitation winding 3 and a first axial excitation winding 10, and the second bearingless switched reluctance motor comprises a second stator 4, a second rotor 5, a second radial excitation winding 6 and a second axial excitation winding 9; the first rotor 2 is arranged in the first stator 1 and the second rotor 5 is arranged in the second stator 4.
As shown in fig. 2, which is a schematic diagram of a three-dimensional structure of a rotor of a truncated cone-shaped solid column type bearingless switched reluctance motor according to the present invention, the truncated cone-shaped solid column 8 is located between the first rotor 2 and the second rotor 5, the first rotor 2, the second rotor 5, and the truncated cone-shaped solid column 8 share one rotating shaft 7, the number of teeth of the first rotor 2 and the second rotor 5 is 4, two sides of the truncated cone-shaped solid column 8 in the axial direction have a structure of a cone-shaped outer chamfer, and the angles are θ2And theta4，θ2And theta4May or may not be equal. The tooth poles of the two rotors have a mechanical angle difference of 15 degrees, so that the torque dead zone is compensated.
According to the three-dimensional structure diagram of the stator of the truncated cone-shaped solid column type bearingless switched reluctance motor shown in fig. 3, the number of the teeth of the first stator 1 and the second stator 4 is 12, the positions of the teeth of the first stator 1 and the second stator 4 are in corresponding relation, a cone-shaped outer chamfer structure is arranged on the inner side of the two stators in the axial direction, and the angles are theta1And theta3，θ1And theta3May or may not be equal; each tooth pole of the first stator 1 is sleeved with a group of first radial excitation windings 3, each tooth pole of the second stator 4 is sleeved with a group of second radial excitation windings 6, the windings are respectively and independently controlled, meanwhile, each tooth pole of the first stator 1 is connected with a group of first axial excitation windings 10 in series, and each tooth pole of the second stator 4 is connected with a group of first axial excitation windings 10 in seriesAnd a set of second axial field windings 9 are connected in series.
As shown in fig. 4, which is a top view of the truncated cone solid column type bearingless switched reluctance motor of the present invention, in the first bearingless switched reluctance motor, a total of three-phase windings are included, each phase winding is composed of four winding coils, two adjacent winding coils differ by 90 °, 4 windings are independently controlled, which are four windings of a phase a1_ i, a2_ i, A3_ i, and a4_ i, four windings of B1_ i, B2_ i, B3_ i, and B4_ i of a phase B, four windings of C phase C1_ i, C2_ i, C3_ i, and C4_ i, and two adjacent windings differ by 30 °; in the second bearingless switched reluctance motor, the second bearingless switched reluctance motor comprises three-phase windings, each phase winding consists of four winding coils, the phase difference between every two adjacent winding coils is 90 degrees, 4 windings are independently controlled and respectively comprise four windings of A1_ II, A2_ II, A3_ II and A4_ II of A phase, four windings of B1_ II, B2_ II, B3_ II and B4_ II of B phase, four windings of C1_ II, C2_ II, C3_ II and C4_ II of C phase, and the phase difference between every two adjacent winding coils is 30 degrees.
In addition, a set of first axial excitation windings 10 is additionally arranged on each gear pole of the first stator, a set of second axial excitation windings 9 is additionally arranged on each gear pole of the second stator, wherein the first axial excitation windings 10, the second axial excitation windings 9 are respectively Ax I _1, Ax I _2, Ax I _3, Ax I _5, Ax I _6, Ax I _7, Ax I _8, Ax I _9, Ax I _10, Ax I _11, Ax I _12, Ax II _1, Ax II _2, Ax II _3, Ax II _4, Ax II _5, Ax II _6, Ax II _7, Ax II _8, Ax II _9, Ax II _10, Ax II _11 and Ax II _12, the sets of windings are connected in series, and the first axial excitation windings 10 and the second axial excitation windings 9 are connected in series in an opposite direction, so that axial difference is generated inside the two motors, and axial resultant force is increased.
The control methods of the first bearingless switched reluctance motor and the second bearingless switched reluctance motor can adopt current chopping control, single pulse control and PWM control.
According to the air gap flux distribution diagram of the truncated cone-shaped solid column type bearingless switched reluctance motor shown in fig. 5, the first rotor 2, the second rotor 5 and the truncated cone-shaped solid column 8 are fixed on the same rotating shaft 7, an air gap length exists between the truncated cone-shaped solid column 8 and inner and outer chamfers of the two stators, when the first radial excitation winding 3 and the second radial excitation winding 6 conduct current, the first rotor 2 and the second rotor 5 provide radial suspension force, meanwhile, the first axial excitation winding 10 and the second axial excitation winding 9 conduct current, the flux density in the stator tooth poles is controlled, the truncated cone-shaped solid column 8 obtains a group of magnetic pulling force, the axial component in the group of magnetic pulling force is extracted to realize axial suspension control, and finally, the five-degree-of-freedom suspension function can be realized.
The invention provides a truncated cone-shaped solid column type bearingless switched reluctance motor, which utilizes the excitation of a winding on each stator tooth pole to generate magnetic pull force to act on a motor rotor so as to generate rotary motion and realize alpha1Direction, beta1Direction, alpha2Direction and beta2Direction, Z direction five-freedom suspension. The invention realizes the radial suspension of the two ends of the motor, has no torque dead zone, increases the power density, utilizes the inherent winding coil to generate the axial magnetic pull force under the condition of not adding an additional axial magnetic bearing, realizes the suspension with five degrees of freedom by combining the radial force, reduces the cost and improves the reliability.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.
Claims (5)
1. A truncated cone-shaped solid column type bearingless switched reluctance motor is characterized by comprising a first bearingless switched reluctance motor, a second bearingless switched reluctance motor, a rotating shaft (7) and a truncated cone-shaped solid column (8); the structure of the first bearingless switched reluctance motor is the same as that of the second bearingless switched reluctance motor, the first bearingless switched reluctance motor comprises a first stator (1), a first rotor (2) and a first radial excitation winding (3), and the second bearingless switched reluctance motor comprises a second stator (4), a second rotor (5) and a second radial excitation winding (6); the first rotor (2) is nested in the first stator (1), the second rotor (5) is nested in the second stator (4), the truncated cone-shaped solid cylinder (8) is arranged between the first rotor (2) and the second rotor (5), and the first rotor (2), the second rotor (5) and the truncated cone-shaped solid cylinder (8) share one rotating shaft (7);
the number of teeth of the first stator (1) and the second stator (4) is 12, each tooth pole of the first stator (1) is sleeved with a first radial excitation winding (3), each tooth pole of the second stator (4) is sleeved with a second radial excitation winding (6), the first radial excitation winding (3) and the second radial excitation winding (6) are independently controlled, each tooth pole of the first stator (1) is sleeved with a first axial excitation winding (10), the first axial excitation windings (10) on each tooth pole of the first stator (1) are connected in series, each tooth pole of the second stator (4) is sleeved with a second axial excitation winding (9), the second axial excitation windings (9) on each tooth pole of the second stator (4) are connected in series, and the first axial excitation winding (10) and the second axial excitation winding (9) are connected in series in a reverse direction;
the tooth poles of the first stator (1) are opposite to the tooth poles of the second stator (4), the end faces, located on the same side, of all the tooth poles of the first stator (1) are of a conical outer chamfer structure, the end faces, located on the same side, of all the tooth poles of the second stator (4) are of a conical outer chamfer structure, and the end face, with the conical outer chamfer structure, of the first stator (1) is opposite to the end face, with the conical outer chamfer structure, of the second stator (4);
the two side end faces of the truncated cone-shaped solid cylinder (8) are both cone-shaped outer chamfer structures, an air gap exists between the cone-shaped outer chamfer of the first stator (1) and the cone-shaped outer chamfer of the left side end face of the truncated cone-shaped solid cylinder (8), an air gap exists between the cone-shaped outer chamfer of the second stator (4) and the cone-shaped outer chamfer of the right side end face of the truncated cone-shaped solid cylinder (8), no air gap exists between the left side end face of the truncated cone-shaped solid cylinder (8) and the right side end face of the first rotor (2), no air gap exists between the right side end face of the truncated cone-shaped solid cylinder (8) and the left side end face of the second rotor (5), namely the first rotor (2), the second rotor (5) and the truncated cone-shaped solid cylinder (8) are integrally processed and formed; the number of the tooth poles of the first rotor (2) and the second rotor (5) is 4, and the tooth poles of the first rotor (2) and the tooth poles of the second rotor (5) are staggered by a mechanical angle of 15 degrees.
2. The switched reluctance machine with no bearing of truncated cone shape and solid post type according to claim 1, wherein the size of the outer conical chamfer of the end surface of the first stator (1) with all the teeth on the same side is equal, and the size of the outer conical chamfer of the end surface of the second stator (4) with all the teeth on the same side is equal.
3. The switched reluctance machine of claim 1, wherein the first bearingless switched reluctance machine comprises three phase windings, each phase winding consisting of four winding coils, adjacent two of the winding coils differing by 90 ° and adjacent two of the winding coils differing by 30 °.
4. The switched reluctance machine of claim 1 wherein the second bearingless switched reluctance machine comprises three phase windings, each phase winding consisting of four winding coils, two adjacent winding coils differing by 90 ° and two adjacent phase windings differing by 30 °.
5. The switched reluctance motor with no bearing of truncated cone shape and solid column type as claimed in claim 1, wherein the left end face of the first stator (1) and the left end face of the first rotor (2) are located on the same plane, and the right end face of the second stator (4) and the right end face of the second rotor (5) are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122822.2A CN111277091B (en) | 2020-02-27 | 2020-02-27 | Truncated cone-shaped solid column type bearingless switched reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122822.2A CN111277091B (en) | 2020-02-27 | 2020-02-27 | Truncated cone-shaped solid column type bearingless switched reluctance motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111277091A CN111277091A (en) | 2020-06-12 |
| CN111277091B true CN111277091B (en) | 2021-08-10 |
Family
ID=71002450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010122822.2A Active CN111277091B (en) | 2020-02-27 | 2020-02-27 | Truncated cone-shaped solid column type bearingless switched reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111277091B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5760508A (en) * | 1993-07-06 | 1998-06-02 | British Nuclear Fuels Plc | Energy storage and conversion devices |
| CN1302597C (en) * | 2005-01-07 | 2007-02-28 | 南京航空航天大学 | Magnetic resistant electric motor with double stator switch |
| CN103337938B (en) * | 2013-06-20 | 2015-12-02 | 南京航空航天大学 | A kind of 12/4 pole simplex winding bearing-free switch reluctance motor and control method thereof |
| CN107888041B (en) * | 2017-12-05 | 2023-12-12 | 中国科学院沈阳自动化研究所 | Bearingless switch reluctance motor |
-
2020
- 2020-02-27 CN CN202010122822.2A patent/CN111277091B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111277091A (en) | 2020-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020001291A1 (en) | Disc-type three-degree-of-freedom magnetic suspension switched reluctance motor | |
| CN111211657B (en) | Axial disc type five-degree-of-freedom suspension bearingless switched reluctance motor | |
| CN103441630B (en) | A kind of three-degree-of-freemagnetic magnetic suspension switch reluctance motor of 12/4 electrode structure | |
| CN106663999A (en) | Flux machine | |
| CN103490572A (en) | Three-degree-of-freedom magnetic suspension switch reluctance motor | |
| CN110034649B (en) | Axial magnetic field flux switching type transverse flux permanent magnet motor | |
| CN100341231C (en) | Reluctance Motor | |
| CN102315707A (en) | Mixed-excitation high-efficiency motor based on Halbach array | |
| CN106787306A (en) | The modular switch magnetic flow disc type electric machine of one kind radial segments | |
| CN108599504A (en) | A kind of five degrees of freedom without bearing switched reluctance machines | |
| CN109067024B (en) | Large-torque micro-vibration magnetic suspension switched reluctance motor | |
| CN112688523B (en) | Axial magnetic field stator yoke-free magnetic flux reverse permanent magnet motor | |
| CN101030714A (en) | Dual-driven and non-bearing flake motor | |
| CN111277091B (en) | Truncated cone-shaped solid column type bearingless switched reluctance motor | |
| CN108599505A (en) | A kind of five degrees of freedom without bearing switched reluctance machines | |
| CN108599501A (en) | A kind of axial direction single-degree-of-freedom induction-type bearingless motor | |
| CN210608878U (en) | Novel synchronous reluctance rotor structure | |
| CN109038871B (en) | Switched reluctance motor with segmented rotor | |
| CN104113174B (en) | A kind of monolayer squirrel-cage Dual-stator brushless double-fed motor | |
| JP2018516061A (en) | Switched reluctance machine (SRM) with parallel flux paths | |
| CN111277090A (en) | Conical column type five-degree-of-freedom suspension bearingless switched reluctance motor | |
| Sugimoto et al. | A novel stator structure with soft magnetic composite in one-axis actively positioned single-drive bearingless motor | |
| CN108462362A (en) | A kind of sine wave power supply double freedom screw motor with position self-locking function | |
| CN215733969U (en) | Contrarotating birotor bearingless asynchronous motor | |
| CN108768215A (en) | A kind of disc type magnetic suspension switched reluctance motor of radial motor cod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |