CN202798388U - Side-by-side mixing excitation brushless direct current fault-tolerant motor - Google Patents
Side-by-side mixing excitation brushless direct current fault-tolerant motor Download PDFInfo
- Publication number
- CN202798388U CN202798388U CN 201220455565 CN201220455565U CN202798388U CN 202798388 U CN202798388 U CN 202798388U CN 201220455565 CN201220455565 CN 201220455565 CN 201220455565 U CN201220455565 U CN 201220455565U CN 202798388 U CN202798388 U CN 202798388U
- Authority
- CN
- China
- Prior art keywords
- synchronous motor
- electric machine
- motor part
- excitation
- fault
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model discloses a side-by-side mixing excitation brushless direct current fault-tolerant motor. Rotors of a permanent magnet synchronous motor part and an electro-magnetic doubly salient motor part are installed axially, stators of the permanent magnet synchronous motor part and the electro-magnetic doubly salient motor part are installed on the left side and the right side of the inside of a housing respectively, stator iron cores share a set of armature winding, an excitation winding is installed on the stator iron core of the electro-magnetic doubly salient motor part, the stator iron core of the permanent magnet synchronous motor part is in an unequal tooth width structure, wide tooth and narrow tooth are distributed alternately, wide tooth are wound round the armature winding, narrow tooth are not wound round the armature winding, and the phase sequence and the winding distribution of the permanent magnet synchronous motor part are the same as the armature winding of the electro-magnetic doubly salient motor part. The permanent magnet synchronous motor part and the electro-magnetic doubly salient motor part are combined dynamically, induced electromotive force of the permanent magnet synchronous motor part and the electro-magnetic doubly salient motor part is overlapped efficiently, the field discharge protection problem during inside motor short circuit is solved and the motor has high fault-tolerant capability.
Description
Technical field
The utility model relates to a kind of block form mixed excitation electric machine, particularly a kind of block form mixing excitation brushless DC fault-tolerant motor.
Background technology
Compare with traditional electro-magnetic motor, magneto particularly rare-earth permanent-magnet electric machine has the remarkable advantages such as simple and reliable for structure, that power density is high, efficient is high, but magneto is owing to adopt single permanent magnet excitation, air-gap field is regulated difficulty, under generator operation, load variations or rotation speed change, output voltage changes thereupon.Electro-magnetic motor can be regulated direct current or AC excitation electric current, thereby can regulate easily air-gap field, but the magneto power density is on the low side relatively, complex structure, need brush when particularly excitation winding is on rotor, therefore be difficult to accomplish the high-speed cruising of motor.Mixed excitation electric machine is to introduce the auxiliary electrical magnetic part winding on the basis of magneto, reaches the purpose of improving magneto driving or pressure regulating performance, causes in recent years people's extensive concern in electric automobile, field of wind power generation.
Block form mixed excitation electric machine structural principle is simple, is easy to realize the bidirectional modulation of exciting current, is an important directions of mixed excitation electric machine technical research.It is the primary structure form of present block form mixed excitation electric machine that the same type motor consists of the block form mixed excitation electric machine, comprises two kinds: permagnetic synchronous motor part and electric excitation synchronous motor form (patent CN102005876A) side by side; Doubly salient permanent magnet motor and electric excitation biconvex electrode electric machine part form (patent CN1545189A) side by side.The former hybrid exciting synchronous motor complex structure, electric excitation mode is AC excitation, excitation structure and control are complicated; The latter is simple and reliable for structure, but also has the problem that mixed excitation biconvex pole motor T voltage and torque pulsation are large, power density is on the low side.
It also is feasible that the inhomogeneity motor consists of the block form mixed excitation electric machine, patent CN100386853C adopts traditional permagnetic synchronous motor part and electric excitation biconvex electrode electric machine partly to constitute mixed excitation electric machine, realized the non-brushing of exciting current bidirectional modulation and whole motor, but this block form mixed excitation electric machine adopts two kinds of brushless electric machines directly to make up, two parts electric machine structure is the traditional structure form, because the difference of two types of motor induced potential waveforms, so that two class motor combination efficient are lower, affect its power density; In addition, two parts armature winding inside is separate, the outside is connected in series, although exciting current can bidirectional modulation, still the problem of De-excitation at fault in the time of can't solving magneto part armature winding internal short-circuit, this so that this motor under highly reliable requirement condition, be restricted such as the application in the aviation power system.
Based on above analysis, the inventor proposes a kind of novel composite excitation brushless direct-current machine, and this case produces thus.
The utility model content
The purpose of this utility model; be to provide a kind of block form mixing excitation brushless DC fault-tolerant motor; it is with permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part organic assembling; realize the efficient stack of two parts induced potential; the problem of effective field suppression protection has significant application value in fields such as airplane power source, generations of electricity by new energy when solving the motor internal short trouble.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of block form mixing excitation brushless DC fault-tolerant motor, in same casing, the rotor coaxial of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part is installed, the stator of the two is installed in respectively the left and right sides of casing inside, the stator core of the stator core of described permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part shares a cover armature winding, and excitation winding is installed in the stator core of electric excitation biconvex electrode electric machine part; Described permagnetic synchronous motor partly adopts built-in tangential magnetic steel rotor structure or surface-mount type magnetic steel rotor structure, its stator core is not for waiting facewidth structure, wide tooth and narrow tooth are alternately distributed, embedding is around armature winding on the wide tooth, on the narrow tooth not around armature winding, it is identical with the armature winding of electric excitation biconvex electrode electric machine part that the armature winding phase sequence of permagnetic synchronous motor part and phase winding distribute, the simultaneously embedding of the every phase winding of described direct current fault-tolerant motor is on the corresponding stator poles of permagnetic synchronous motor partial stator tooth and electric excitation biconvex electrode electric machine part, through closed after the two-part stator core.
Half that the stator poles of above-mentioned electric excitation biconvex electrode electric machine part and rotor number of poles are respectively permagnetic synchronous motor partial stator number of poles and rotor number of poles, and the stator poles of electric excitation biconvex electrode electric machine part evenly distributes, the wide slot opening that equals of stator poles, it is wide that rotor pole is wider than stator poles.
Above-mentioned mixing excitation brushless DC fault-tolerant motor is three-phase fault-tolerant motor or multiphase fault-tolerant motor.
If above-mentioned mixing excitation brushless DC fault-tolerant motor is the three-phase fault-tolerant motor, then electric excitation biconvex electrode electric machine partly is the 3N/2N electrode structure, and permagnetic synchronous motor partly is 6N groove/4N electrode structure, and wherein N is the integer greater than 1.
After adopting such scheme, the utility model is compared with existing mixed excitation electric machine structure has following beneficial features:
(1) the permagnetic synchronous motor partial stator adopts and not to wait facewidth structure, and coiling on the wide tooth, narrow tooth are fault-tolerant, and also for concentrating winding construction, whole motor has strong fault freedom to the double salient-pole electric machine part, and reliability is high;
(2) to be wider than stator poles wide for electric excitation biconvex electrode electric machine part rotor pole, and the armature winding induced potential is trapezoidal wave, has realized efficient stack and the adjusting of armature winding electromotive force, and electric excitation efficiency is high;
(3) the armature winding phase sequence of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part is identical, directly series connection, not only greatly reduced the termination length of armature winding, and the winding internal short-circuit can regulate offset the magnetic field that permanent magnet excitation produces by electro-magnetic motor part exciting current, thus efficient demagnetization when realizing motor short circuit in winding fault;
(4) therefore excitation winding has realized non-brushing on the stator of electric excitation biconvex electrode electric machine part, because the rotor structure of permagnetic synchronous motor part and double salient-pole electric machine part is simple and reliable, is conducive to the high-speed cruising of motor simultaneously;
(5) according to the difference of application scenario, appropriate design permagnetic synchronous motor part and the two-part core length ratio of electric excitation biconvex electrode electric machine part can realize the voltage-regulation scope of the permanent torque of the electric operation of motor/output-constant operation scope or generator operation.
Description of drawings
Fig. 1 is axial section schematic diagram of the present utility model;
Fig. 2 (a) is the schematic cross-section of the utility model the first embodiment permagnetic synchronous motor part;
Fig. 2 (b) is the schematic cross-section of the utility model the first embodiment electric excitation biconvex electrode electric machine part;
Fig. 3 is the utility model the first embodiment motor internal windings in series mode distribution schematic diagram;
Fig. 4 (a) is the schematic cross-section of the utility model the second embodiment permagnetic synchronous motor part;
Fig. 4 (b) is the utility model the second embodiment electric excitation biconvex electrode electric machine partial cross section schematic diagram;
Fig. 5 is the utility model the second embodiment motor internal windings in series mode distribution schematic diagram;
Fig. 6 is that the utility model forward excitation and reverse excitation internal electrical barrier layer add schematic diagram;
Fig. 7 (a) is the three-phase bridge rectification circuit schematic diagram;
Fig. 7 (b) is four phase full bridge rectifier schematic diagrams.
Component symbol explanation among the figure:
The 1-rotating shaft, the 2-bearing, the 3-keyway, 4-casing, the stator core of 5-electric excitation biconvex electrode electric machine part, the rotor core of 6-electric excitation biconvex electrode electric machine part, the stator core of 7-permagnetic synchronous motor part, 8-permanent magnet, the rotor core of 9-permagnetic synchronous motor part, 10-armature winding, the 11-excitation winding.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model is elaborated.
As shown in Figure 1, the utility model provides a kind of block form mixing excitation brushless DC fault-tolerant motor, comprise casing and be installed in casing interior electric excitation biconvex electrode electric machine part and permagnetic synchronous motor part, permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part are located at respectively the left and right sides of casing 4 inside.Wherein, permanent magnet 8 is embedded in the rotor core 9 of permagnetic synchronous motor part, the rotor core 6 of the rotor core 9 of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part all is fixedly installed in the rotating shaft 1 by keyway 3, and rotating shaft 1 is supported by bearing 2, realizes the two coaxial rotating; And the stator core 7 of the stator core 5 of electric excitation biconvex electrode electric machine part and permagnetic synchronous motor part shares a cover armature winding 10, and excitation winding 11 is installed in the stator core 7 of electric excitation biconvex electrode electric machine part, thereby realizes non-brushing of the present utility model.
In the utility model, the rotor 9 of permagnetic synchronous motor part adopts built-in tangential magnetic steel rotor structure or surface-mount type magnetic steel rotor structures, and stator core 7 is formed by silicon steel plate stacking; Stator core 5 in the electric excitation biconvex electrode electric machine part and rotor core 6 form by silicon steel plate stacking.Simultaneously, the stator core 7 of permagnetic synchronous motor part is not for waiting facewidth structure, and wide tooth and narrow tooth are alternately distributed, on the wide tooth embedding around armature winding, on the narrow tooth not around armature winding; It is identical with the armature winding of electric excitation biconvex electrode electric machine part that the armature winding phase sequence of permagnetic synchronous motor part and phase winding distribute, the simultaneously embedding of the every phase winding of the utility model direct current fault-tolerant motor is on the corresponding stator poles of permagnetic synchronous motor partial stator tooth and electric excitation biconvex electrode electric machine part, through closed after the two-part stator core, directly not closed in the stator core of permagnetic synchronous motor part.
Half that the stator poles of electric excitation biconvex electrode electric machine part and rotor number of poles are respectively the permagnetic synchronous motor partial stator number of teeth and rotor number of poles, the stator poles of electric excitation biconvex electrode electric machine part evenly distributes, the wide slot opening that equals of stator poles, it is wide that rotor pole is wider than stator poles.
Need to prove that the utility model can be mutually even more multiphase fault-tolerant motor of three-phase, four phases, five, below will be introduced structure of the present utility model and beneficial effect by specific embodiment.
Shown in Fig. 2 (a) and Fig. 2 (b), that the utility model is as an embodiment of three phase electric machine, electric excitation biconvex electrode electric machine partly is 12/8 electrode structure, permagnetic synchronous motor partly is 24 grooves/16 utmost points, rotor cutting is to the magnetization magnet structure, be respectively the schematic cross-section (wherein not drawing armature winding and excitation winding) of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part shown in Fig. 2 (a) and Fig. 2 (b), as can be seen from the figure, the wide tooth embedding of permagnetic synchronous motor part coiling, concentrate the winding distribution mode, narrow tooth is as fault-tolerant teeth, not coiling.On the locus, permagnetic synchronous motor A, B, C three-phase partly is corresponding one by one with A, B, the C three-phase of electric excitation biconvex electrode electric machine part, among the figure, Ap, Bp, Cp and Ae, Be, Ce represent respectively corresponding to the permagnetic synchronous motor partial stator tooth of threephase armature winding and the electric excitation biconvex electrode electric machine partial stator utmost point.The stator poles of electric excitation biconvex electrode electric machine part evenly distributes, the wide slot opening that equals of stator poles, and it is wide that rotor pole is wider than stator poles.
The stator of permagnetic synchronous motor part adopts not wide toothing, and embedding is around each phase armature winding on the wide tooth, and narrow tooth does not wind the line as fault-tolerant teeth, and the width of general wide tooth is 2 times of narrow tooth.Each phase winding is placed in the different stator slots by fault-tolerant teeth (narrow tooth) isolation, has therefore avoided the generation of short-circuit conditions between the phase winding, and the simultaneous failure tolerance tooth is at physics and electricly isolated the impact of phase winding short circuit on other normal phase.From Fig. 2 (a) and Fig. 2 (b), can find out, each of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part is corresponding one by one on the locus, the simultaneously embedding of every phase winding is on the corresponding stator poles of permagnetic synchronous motor partial stator tooth and electric excitation biconvex electrode electric machine part, take the A phase winding as example, its simultaneously embedding is on the corresponding stator poles Ae of permagnetic synchronous motor partial stator tooth Ap and electric excitation biconvex electrode electric machine part.Fig. 3 has provided the windings in series distribution mode of two kinds of motors, and the stator tooth of two kinds of every phases of motor (utmost point) locus is corresponding, and therefore two kinds of every phase windings of motor directly are connected in series.Because two kinds of motors share a cover winding coil, permanent magnet excitation and electric excitation magnetic potential acting in conjunction are in same armature winding coil, can change by the dual regulation of electric excitation the synthetic magnetic linkage of winding, thereby can effectively change the winding induced voltage, can realize effective De-excitation at fault for motor internal armature winding short-circuit conditions simultaneously.
Please refer to again shown in Fig. 4 (a) and Fig. 4 (b), that the utility model is as an embodiment (wherein not drawing armature winding and excitation winding) of four phase motors, wherein, electric excitation biconvex electrode electric machine partly is 8/6 electrode structure, permagnetic synchronous motor partly adopts 16 grooves/12 electrode structures, identical with the first embodiment, realize the inner directly series system of winding, Fig. 5 has provided the connected mode schematic diagram of four phase windings.
The utility model block form mixing excitation brushless DC fault-tolerant motor, excitation winding is installed on the stator of electric excitation biconvex electrode electric machine part, regulate the exciting current size and Orientation, can change the magnetic field size and Orientation of the armature winding of electric excitation biconvex electrode electric machine part, thereby change whole armature winding resultant magnetic field, motor internal winding induced potential is adjusted.Rationally change the axial length ratio of electric excitation biconvex electrode electric machine part and permagnetic synchronous motor part, regulate the exciting current size and Orientation, motor internal armature flux amplitude can keep substantially constant, so motor internal winding induced potential amplitude can be zero.Shown in Figure 6 is motor internal two parts winding electromotive force Downward addition and the reverse result who superposes under forward excitation and the reverse excitation, can see, the electric excitation biconvex electrode electric machine part is trapezoidal wave with the induced potential waveform of permagnetic synchronous motor part armature winding, under the forward excitation, synthetic electromotive force effectively increases, and oppositely under the excitation, synthetic electromotive force can be reduced to zero, realize efficient stack and the adjusting of induced potential, thereby can improve power and the torque density of motor.
Fig. 7 (a) and Fig. 7 (b) are respectively first and second embodiment three-phase bridge rectifier circuit schematic diagrams and four bridge rectifier schematic diagrams mutually during as DC generator.
In sum, a kind of block form mixing excitation brushless DC of the utility model fault-tolerant motor, in same casing, be divided into permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part two parts, separate, the coaxial installation of two parts rotor, two parts stator casing left and right sides that coexists that is separated from each other.Permagnetic synchronous motor partly adopts built-in tangential magnetic steel rotor structure or surface-mount type magnetic steel rotor structure, stator core is formed by silicon steel plate stacking, stator core is not for waiting facewidth structure, wide tooth and narrow tooth are alternately distributed, wide tooth embedding is around armature winding, narrow tooth is realized the fault-tolerant architecture of motor as the electric and physical isolation between the different phase windings.Stator and the rotor core of electric excitation biconvex electrode electric machine part form by silicon steel plate stacking, stator poles and rotor number of poles are respectively the stator number of teeth of permagnetic synchronous motor part and half of rotor number of poles, the stator poles of electric excitation biconvex electrode electric machine part evenly distributes, the wide slot opening that equals of stator poles, nested armature winding and excitation winding on the stator poles.The wide stator poles of being a bit larger tham of rotor pole of electric excitation biconvex electrode electric machine part is wide, so that the induced potential waveform of the armature winding of electric excitation biconvex electrode electric machine part is trapezoidal wave, thereby close with the induced potential waveform of permagnetic synchronous motor part armature winding, realize efficient stack and the adjusting of induced potential, thereby significantly improve power and the torque density of motor.
The stator of permagnetic synchronous motor part adopts the fault-tolerant teeth structure, embedding is around armature winding on the wide tooth, on the narrow tooth not around armature winding, the armature winding phase sequence of permagnetic synchronous motor part and phase winding distribute, and just the armature winding with the electric excitation biconvex electrode electric machine part is identical, the every phase armature winding of whole motor all passes through after the stator core of the stator core of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part closed, and the simultaneously embedding of the coil of every phase winding is on the corresponding stator poles of the stator tooth of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part.The armature winding of the armature winding of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part is direct series relationship at motor internal, as seen, the armature winding of permagnetic synchronous motor part is directly not closed in the stator core of permagnetic synchronous motor part like this, greatly reduced the possibility of permagnetic synchronous motor part armature winding internal short-circuit, and, realized that the exciting current of electric excitation biconvex electrode electric machine part is regulated the efficient wide region of whole armature winding induced potential.
Above embodiment only is explanation technological thought of the present utility model; can not limit protection range of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on the technical scheme basis all falls within the utility model protection range.
Claims (4)
1. block form mixing excitation brushless DC fault-tolerant motor, comprise casing and be arranged on casing interior electric excitation biconvex electrode electric machine part and permagnetic synchronous motor part, the rotor coaxial of permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part is installed, the stator of the two is located at respectively the left and right sides of casing inside, the stator core of the stator core of described permagnetic synchronous motor part and electric excitation biconvex electrode electric machine part shares a cover armature winding, and excitation winding is installed in the stator core of electric excitation biconvex electrode electric machine part; It is characterized in that: the stator core of described permagnetic synchronous motor part is not for waiting facewidth structure, wide tooth and narrow tooth are alternately distributed, embedding is around armature winding on the wide tooth, on the narrow tooth not around armature winding, it is identical with the armature winding of electric excitation biconvex electrode electric machine part that the armature winding phase sequence of permagnetic synchronous motor part and phase winding distribute, the simultaneously embedding of the every phase winding of described direct current fault-tolerant motor is on the corresponding stator poles of permagnetic synchronous motor partial stator tooth and electric excitation biconvex electrode electric machine part, through closed after the two-part stator core.
2. a kind of block form mixing excitation brushless DC fault-tolerant motor as claimed in claim 1, it is characterized in that: half that the stator poles of described electric excitation biconvex electrode electric machine part and rotor number of poles are respectively permagnetic synchronous motor partial stator number of poles and rotor number of poles, and the stator poles of electric excitation biconvex electrode electric machine part evenly distributes, the wide slot opening that equals of stator poles, it is wide that rotor pole is wider than stator poles.
3. a kind of block form mixing excitation brushless DC fault-tolerant motor as claimed in claim 1, it is characterized in that: described direct current fault-tolerant motor is three-phase fault-tolerant motor or multiphase fault-tolerant motor.
4. a kind of block form mixing excitation brushless DC fault-tolerant motor as claimed in claim 3, it is characterized in that: described direct current fault-tolerant motor adopts the three-phase fault-tolerant motor, electric excitation biconvex electrode electric machine partly is the 3N/2N electrode structure, permagnetic synchronous motor partly is 6N groove/4N electrode structure, and wherein N is the integer greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455565 CN202798388U (en) | 2012-09-07 | 2012-09-07 | Side-by-side mixing excitation brushless direct current fault-tolerant motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455565 CN202798388U (en) | 2012-09-07 | 2012-09-07 | Side-by-side mixing excitation brushless direct current fault-tolerant motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798388U true CN202798388U (en) | 2013-03-13 |
Family
ID=47825561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220455565 Withdrawn - After Issue CN202798388U (en) | 2012-09-07 | 2012-09-07 | Side-by-side mixing excitation brushless direct current fault-tolerant motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202798388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832767A (en) * | 2012-09-07 | 2012-12-19 | 南京航空航天大学 | Parallel hybrid excitation brushless direct-current fault-tolerant motor |
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | The five fault-tolerant electric excitation biconvex electrode electric machines of phase 5N/4N Polar armature excitation distributing |
-
2012
- 2012-09-07 CN CN 201220455565 patent/CN202798388U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832767A (en) * | 2012-09-07 | 2012-12-19 | 南京航空航天大学 | Parallel hybrid excitation brushless direct-current fault-tolerant motor |
| CN102832767B (en) * | 2012-09-07 | 2014-08-20 | 南京航空航天大学 | Parallel hybrid excitation brushless direct-current fault-tolerant motor |
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | The five fault-tolerant electric excitation biconvex electrode electric machines of phase 5N/4N Polar armature excitation distributing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103208893B (en) | Induced excitation formula composite excitation brushless synchronous motor | |
| CN101699713B (en) | Rotor sectional type flux switching motor and method for improving sine degree of back electromotive force thereof | |
| CN102035270B (en) | Axial excitation double salient pole motors | |
| CN101610007B (en) | 3-phase 12/11 pole permanent-magnetic-switch flux linkage motor and method for inhibiting short circuit current thereof | |
| CN103001423B (en) | Internal-external double-stator electro-magnetic double-salient starter generator | |
| CN101562383B (en) | Single-phase reluctance generator | |
| CN101277053A (en) | Mixed field excitation type flux switch motor | |
| CN106487178B (en) | A kind of disc type bimorph transducer composite excitation motor | |
| CN105048740A (en) | Permanent magnet and variable reluctance parallel hybrid excitation brushless motor | |
| CN101662172A (en) | Composite excitation type magnetic flux reverse motor | |
| CN101510701A (en) | Parallel type mixing excitation switch magnetic linkage motor | |
| CN102843008A (en) | Parallel type mixed excitation alternating-current generator | |
| CN101789641A (en) | Electro-magnetic flux switching motor | |
| CN101262160B (en) | Mixed excited magnetic pass switching electromotor | |
| CN103490575B (en) | Multiple tooth mixing exciter panel type wind-driven generator | |
| CN105811696A (en) | Hybrid excitation type composite magnetic flux switching permanent-magnet motor | |
| CN102832767B (en) | Parallel hybrid excitation brushless direct-current fault-tolerant motor | |
| CN111969822B (en) | Mixed excitation multi-phase reluctance motor and power generation system | |
| CN201860217U (en) | Parallel-structured brushless composite-excitation synchronous motor without additional air gap | |
| CN202889138U (en) | Parallel type composite excitation brushless direct-current motor | |
| CN110518766B (en) | Asymmetric double-stator mixed excitation type axial magnetic field flux switching motor | |
| CN102005875A (en) | Brushless parallel-structure hybrid excitation synchronous generator without additional air gap | |
| CN203504375U (en) | Multi-teeth mixed excitation disc type wind driven generator | |
| CN101478207B (en) | Dual feedback mixed magnetic pole permanent magnetic motor | |
| CN201188577Y (en) | Single-phase reluctance generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20140820 |
|
| RGAV | Abandon patent right to avoid regrant |