CN203747697U - Magnetic suspension switch magnetic resistance complete cycle motor - Google Patents
Magnetic suspension switch magnetic resistance complete cycle motor Download PDFInfo
- Publication number
- CN203747697U CN203747697U CN201320841632.1U CN201320841632U CN203747697U CN 203747697 U CN203747697 U CN 203747697U CN 201320841632 U CN201320841632 U CN 201320841632U CN 203747697 U CN203747697 U CN 203747697U
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- CN
- China
- Prior art keywords
- winding
- stator poles
- torque
- windings
- suspending windings
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Abstract
The utility model discloses a magnetic suspension switch magnetic resistance complete cycle motor, composed of a stator core, a rotor core, 12 stator poles with a same distance and pole arc width, eight rotor poles with a same distance and pole arc width, three phases of torque suspension windings and three phases of power generation windings. The three phases of rotor torque suspension windings are respectively winded on 12 rotor poles; 12 sets of torque suspension windings are provided and are respectively controlled independently; four sets of torque suspension windings with a difference of 90 DEG form a phase. 12 sets of power generation windings are provided and are divided into three phases, and each phase of power generation windings are in series connection with and winded on four stator poles with a difference of 90 DEG. The utility model employs the windings which have simple and compact structures and are easy to control. The current of the torque suspension windings not only can supply suspension force and torque, but also can be used as excitation current of the power generation windings; electromotion and power generation modes of a magnetic suspension switch magneto can be meanwhile realized, and the power generation mode is effective both in a suspension torque excitation period and a follow current period.
Description
Technical field
The utility model belongs to dynamo-electric field, relates to a kind of magnetic levitation switch magnetic resistance complete period motor.
Background technology
At present, 1) bearingless switched reluctance generator possesses generating and the function that certainly suspends, its generating voltage is after rectification, filtering and voltage stabilizing, can in the time of voltage ripple of power network or load variations, export substantially impregnable direct voltage, be particularly suitable for applying to momentum compensation, peak value adjusting and the load balance that the regenerative resources such as photovoltaic generation are incorporated into the power networks, there is wide future in engineering applications.2) up to the present, be mainly taking 12/8 traditional utmost point double winding magnetic suspension switched reluctance motor as object to the research of magnetic suspension switched reluctance motor, carry out for its motor-operated running state.For example, Japanese scholars A.Chiba and M.Takemoto have done detailed analysis and research to double winding magnetic suspension switched reluctance motor.The research of generator operation is in the exploratory stage in early stage.3) traditional magnetic suspension switched reluctance motor suspending windings and torque winding are that separately lap wound, in stator poles, adds a set of generating winding on this basis again, have increased to a great extent complexity and the cost of motor.And the generator operation mode of traditional magnetic suspension switched reluctance motor is periodicity timesharing power generation mode, and main winding is excitation in positive torque interval, only in negative torque interval, outwards export electric energy, generated output density is lower.
Utility model content
The utility model proposes a kind of complete period motor on the basis of simplex winding magnetic suspension switched reluctance motor.This motor can carry out electronic and generating two states simultaneously, and all can generate electricity during suspension torque excitation and between the afterflow period, is complete period motor.The utility model has improved operating efficiency and the power density of motor.
The technical scheme that the utility model adopts is: a kind of magnetic levitation switch magnetic resistance complete period motor, and by stator core, stator poles, rotor core, rotor pole, torque suspending windings and generating winding composition; On described rotor pole, without winding, the inwall circumferencial direction of described stator core arranges respectively 12 equidistant wide stator poles of polar arc that wait, and is separated by 30 ° between each stator poles, and each stator polar arc is wide 16 °; The inwall circumferencial direction of described rotor core arranges respectively 8 equidistant rotor poles that wait polar arc, is separated by 45 ° between each rotor pole, and each rotor pole arc is wide 15 °; In each stator poles, there are a set of torque suspending windings and a set of generating winding.
As further improvement of the utility model, described torque suspending windings has 12 covers, and every cover is independently controlled, and lap wound is in 12 stator poles respectively, and the 4 cover torque suspending windings that differ 90 ° form a phase, total three-phase; Winding N
a1, N
a2, N
a3, N
a4form A phase torque suspending windings, winding N
b1, N
b2, N
b3, N
b4form B phase torque suspending windings, winding N
c1, N
c2, N
c3, N
c4form C phase torque suspending windings.
As further improvement of the utility model, described generating winding has 12 covers, and every cover is independently controlled, and is divided into 3 phases, differ 90 ° 4 cover generating windings in series uniformly-spaced lap wound in 4 stator poles that differ 90 °, form a phase, winding G
a1, G
a2, G
a3, g
a4the A in series winding that generates electricity mutually, winding G
b1, G
b2, G
b3, G
b4the B in series winding that generates electricity mutually, winding G
c1, G
c2, G
c3, G
c4the C in series winding that generates electricity mutually.
As further improvement of the utility model, described winding G
a1with winding N
a1in same stator poles, winding G
a2with winding N
a2in same stator poles, winding G
a3with winding N
a3in same stator poles, winding G
a4with winding N
a4in same stator poles; Described winding G
b1with winding N
b1in same stator poles, winding G
b2with winding N
b2in same stator poles, winding G
b3with winding N
b3in same stator poles, winding G
b4with winding N
b4in same stator poles; Described winding G
c1with winding N
c1in same stator poles, winding G
c2with winding N
c2in same stator poles, winding G
c3with winding N
c3in same stator poles, winding G
c4with winding N
c4in same stator poles.
As further improvement of the utility model, in motor rotary course, when the partial stator utmost point and the alignment of part rotor pole, the width of air gap between stator poles and the rotor pole of alignment is 0.25mm.
The utility model beneficial effect:
1. the torque in traditional magnetic suspension switched reluctance motor and suspension double winding are merged into a set of torque suspending windings.By controlling the torque suspending windings electric current in stator poles, can make this motor under the state of rotor suspension, stable operation.Winding construction is simple, and compactness reduces costs.
2. lap wound generating winding in each stator poles, this generating winding, during torque suspending windings excitation, can produce corresponding generation current, between the torque suspending windings afterflow period, can produce corresponding generation current.In torque suspending windings excitation, between the afterflow period, all can generate electricity, reach complete-period electrification effect, greatly improve efficiency and the power density of motor.
3. this motor is a kind of based on simplex winding magnetic suspension principle switching magnetic-resistance complete period motor.Both having can be used as during operation motor and used, and also can be used as generator and use, is electronic/generating integrated magnetic suspension switched reluctance motor.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is structural representation of the present utility model;
When Fig. 2 is A phase torque suspending windings energising of the present utility model, the generating schematic diagram of generating winding;
Fig. 3 be rotor described in the utility model in the time of diverse location, the inductance of torque suspending windings, magnetic linkage, generating winding current diagram;
In figure: 1, stator core, 2, stator poles, 3, rotor core, 4, rotor pole, 5, torque suspending windings, 6, generating winding, 7, torque suspending windings inductance, 8, torque suspending windings magnetic linkage, 9, torque suspending windings is in the interval size of current of conducting, 10, the electric current responded in the time that torque suspending windings has exciting current of generating winding, 11, the electric current responded between the afterflow period in torque suspending windings of generating winding.
Embodiment
Described in the utility model is a kind of based on simplex winding magnetic suspension principle switching magnetic-resistance complete period motor, and as shown in Figure 1, motor adopts stator 12 utmost points, the double-salient-pole structure of rotor 8 utmost points, by stator core 1, stator poles 2, rotor core 3, rotor pole 4, torque suspending windings 5 and generating winding 6 form.Stator core 1 inwall circumferencial direction, arranges respectively the equidistant wide stator poles 2 of polar arc that waits, and is separated by 30 ° between each stator poles, and each stator polar arc is wide 16 °, and stator poles 2 quantity are 12.Rotor core 3 inwall circumferencial directions, arrange respectively the equidistant rotor pole 4 that waits polar arc, are separated by 45 ° between each rotor pole, and each rotor pole arc is wide 15 °, and rotor pole quantity is 8.In each stator poles, there is a set of torque suspending windings 5, be followed successively by: N
a1, N
b1, N
c1, N
a2, N
b2, N
c2, N
a3, N
b3, N
c3, N
a4, N
b4, N
c4.Wherein winding N
a1, N
a2, N
a3, N
a4form A phase torque suspending windings, winding N
b1, N
b2, N
b3, N
b4form B phase torque suspending windings, winding N
c1, N
c2, N
c3, N
c4form C phase torque suspending windings, have 3 phases.In each stator poles, there is a set of generating winding, be followed successively by: G
a1, G
b1, G
c1, G
a2, G
b2, G
c2, G
a3, G
b3, G
c3, G
a4, G
b4, G
c4.Wherein G
a1, G
a2, G
a3, G
a4the A in series winding that generates electricity mutually, winding G
b1, G
b2, G
b3, G
b4the B in series winding that generates electricity mutually, winding G
c1, G
c2, G
c3, G
c4the C in series winding that generates electricity mutually.
As shown in Figure 2, taking A mutually as example, respectively at torque suspending windings N
a1, N
a2, N
a3, N
a4the middle current i that applies respectively
a1, i
a2, i
a3, i
a4, wherein i
a1=i
ma1+ i
sa1, i
a2=i
ma2+ i
sa2, i
a3=i
ma3+ i
sa3, i
a4=i
ma4+ i
sa4.I
a1component i
ma1for the torque current of the utility model motor, according to magnetic resistance minimum principle, can drive motor rotation.I
a1component i
sa1for the utility model motor maintains the suspension electric current that rotor stability suspends, by regulating i
sa1, i
sa2, i
sa3, i
sa4size, can reach magnetic suspension effect.
As shown in Figure 3, in figure, 8 for motor internal magnetic linkage changes schematic diagram, and 9 is the electric current of A phase torque suspending windings, θ
onfor torque suspending windings current lead-through moment, θ
offfor torque suspending windings electric current turn-offs the moment, 10 and 11 electric currents for generating winding electric magnetic induction generation.At torque suspending windings N
a1, N
a2, N
a3, N
a4during energising, generating winding powers to the load, as torque suspending windings N
a1, N
a2, N
a3, N
a4during having no progeny and open to next time in pass,, between the afterflow period, generating winding also can power to the load, and realizes complete-period electrification effect, has improved efficiency and the power density of motor.
This described embodiment is preferred embodiment of the present utility model; but utility model is not limited to above-mentioned execution mode; in the situation that not deviating from flesh and blood of the present utility model, any apparent improvement, replacement or modification that those skilled in the art can make all belong to protection range of the present utility model.
Claims (5)
1. a magnetic levitation switch magnetic resistance complete period motor, it is characterized in that: by stator core (1), stator poles (2), rotor core (3), rotor pole (4), torque suspending windings (5) and generating winding (6) composition; On described rotor pole, without winding, the inwall circumferencial direction of described stator core (1) arranges respectively 12 equidistant wide stator poles (2) of polar arc that wait, and is separated by 30 ° between each stator poles, and each stator polar arc is wide 16 °; The inwall circumferencial direction of described rotor core (3) arranges respectively 8 equidistant rotor poles (4) that wait polar arc, is separated by 45 ° between each rotor pole, and each rotor pole arc is wide 15 °; In each stator poles (2), there are a set of torque suspending windings (5) and a set of generating winding (6).
2. a kind of magnetic levitation switch magnetic resistance complete period motor according to claim 1, it is characterized in that: described torque suspending windings (5) has 12 covers, every cover is independent to be controlled, lap wound is in 12 stator poles (2) respectively, the 4 cover torque suspending windings (5) that differ 90 ° form a phase, total three-phase; Winding N
a1, N
a2, N
a3, N
a4form A phase torque suspending windings (5), winding N
b1, N
b2, N
b3, N
b4form B phase torque suspending windings (5), winding N
c1, N
c2, N
c3, N
c4form C phase torque suspending windings (5).
3. a kind of magnetic levitation switch magnetic resistance complete period motor according to claim 1, it is characterized in that: described generating winding (6) has 12 covers, every cover is independent to be controlled, be divided into 3 phases, differ the 4 cover generating windings (6) of the 90 ° lap wound of connecting uniformly-spaced and form a phase, winding G 4 stator poles (2) that differ 90 ° are upper
a1, G
a2, G
a3, G
a4the A in series winding (6) that generates electricity mutually, winding G
b1, G
b2, G
b3, G
b4the B in series winding (6) that generates electricity mutually, winding G
c1, G
c2, G
c3, G
c4the C in series winding (6) that generates electricity mutually.
4. according to a kind of magnetic levitation switch magnetic resistance complete period motor described in claim 2 or 3, it is characterized in that: described winding G
a1with winding N
a1in same stator poles, winding G
a2with winding N
a2in same stator poles, winding G
a3with winding N
a3in same stator poles, winding G
a4with winding N
a4in same stator poles; Described winding G
b1with winding N
b1in same stator poles, winding G
b2with winding N
b2in same stator poles, winding G
b3with winding N
b3in same stator poles, winding G
b4with winding N
b4in same stator poles; Described winding G
c1with winding N
c1in same stator poles, winding G
c2with winding N
c2in same stator poles, winding G
c3with winding N
c3in same stator poles, winding G
c4with winding N
c4in same stator poles.
5. a kind of magnetic levitation switch magnetic resistance complete period motor according to claim 1, it is characterized in that: in motor rotary course, when the partial stator utmost point (2) and part rotor pole (4) alignment, the width of air gap between stator poles (2) and the rotor pole (4) of alignment is 0.25mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320841632.1U CN203747697U (en) | 2013-12-19 | 2013-12-19 | Magnetic suspension switch magnetic resistance complete cycle motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320841632.1U CN203747697U (en) | 2013-12-19 | 2013-12-19 | Magnetic suspension switch magnetic resistance complete cycle motor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203747697U true CN203747697U (en) | 2014-07-30 |
Family
ID=51347450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320841632.1U Expired - Fee Related CN203747697U (en) | 2013-12-19 | 2013-12-19 | Magnetic suspension switch magnetic resistance complete cycle motor |
Country Status (1)
Country | Link |
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CN (1) | CN203747697U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103715789A (en) * | 2013-12-19 | 2014-04-09 | 江苏大学 | Magnetic suspension switch magnetic resistance complete-period motor |
CN106100497A (en) * | 2016-06-13 | 2016-11-09 | 南京邮电大学 | A kind of control method of composite rotors bearing-free switch reluctance motor |
-
2013
- 2013-12-19 CN CN201320841632.1U patent/CN203747697U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103715789A (en) * | 2013-12-19 | 2014-04-09 | 江苏大学 | Magnetic suspension switch magnetic resistance complete-period motor |
CN106100497A (en) * | 2016-06-13 | 2016-11-09 | 南京邮电大学 | A kind of control method of composite rotors bearing-free switch reluctance motor |
CN106100497B (en) * | 2016-06-13 | 2018-11-09 | 南京邮电大学 | A kind of control method of composite rotors bearing-free switch reluctance motor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20141219 |
|
EXPY | Termination of patent right or utility model |