CN103715789A - Magnetic suspension switch magnetic resistance complete-period motor - Google Patents
Magnetic suspension switch magnetic resistance complete-period motor Download PDFInfo
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- CN103715789A CN103715789A CN201310700736.5A CN201310700736A CN103715789A CN 103715789 A CN103715789 A CN 103715789A CN 201310700736 A CN201310700736 A CN 201310700736A CN 103715789 A CN103715789 A CN 103715789A
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Abstract
The invention discloses a magnetic suspension switch magnetic resistance complete-period motor. The motor is composed of a stator core, a rotor core, 12 equidistant and equal-pole arc width stator poles, 8 equidistant and equal-pole arc width rotor poles, three phases of torque suspension windings and three phases of power generation windings; the three phases of torque suspension windings are wound on the 12 stator poles respectively; altogether 12 sets of torque suspension windings exist, wherein each set of torque suspension winding is controlled independently, and four sets of torque suspension windings which are separated from each other by 90 degrees form one phase of torque suspension windings; and 12 sets of power generation windings exist and are divided into three phases of power generation windings, and each phase of power generation windings are connected in series with and overlappingly wound on four stator poles which are separated from each other by 90 degrees. The magnetic suspension switch magnetic resistance complete-period motor of the invention is advantageous in simple structure, compactness and easiness in control. The current of the torque suspension windings can provide a suspension force, and torque can serve as exciting current of the power generation windings, and therefore, power-driven and power generation modes of the magnetic suspension switch magnetic motor can be realized, and the power generation mode is effective in a suspension torque excitation period and a freewheeling period both.
Description
Technical field
The invention belongs to technical field of motors, relate 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 when 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, to the research of magnetic suspension switched reluctance motor, be mainly that to take 12/8 traditional utmost point double winding magnetic suspension switched reluctance motor be object, for its motor-operated running state, carry out.For example, Japanese scholars A.Chiba and M.Takemoto have done detailed analysis and research to double winding magnetic suspension switched reluctance motor.For the research of generator operation 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.
Summary of the invention
The present invention 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 present invention has improved operating efficiency and the power density of motor.
The technical solution adopted in the present invention is: this motor is comprised of stator core, rotor core, stator poles, rotor pole, torque suspending windings and generating winding.On rotor pole, without winding, in stator poles, there are torque suspending windings and generating winding.Described stator core inwall circumferencial direction has the equidistant wide stator poles of polar arc that waits, and stator poles quantity is 12, is separated by 30 ° between each stator poles, and stator polar arc is wide 16 °.Described rotor core inwall circumferencial direction has the equidistant wide rotor pole of polar arc that waits, and rotor quantity is 8, and each rotor pole is separated by 45 °, and rotor pole arc is wide 15 °.
As a further improvement on the present invention, the torque suspending windings of described motor has 12 covers, and lap wound is in 12 stator poles respectively, and every cover torque suspending windings is independently controlled, 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, every cover winding can provide electronic torque force and the suspending power of rotor suspension simultaneously.
As a further improvement on the present invention, the generating winding of described motor has 12 covers, is divided into 3 phases, every generate electricity mutually windings in series uniformly-spaced lap wound in 4 stator poles.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 a further improvement on the present invention, 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; 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; 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 a further improvement on the present invention, in the process of motor rotation, when the partial stator utmost point and the alignment of part rotor pole, the stator poles of alignment and the width of air gap between rotor pole are 0.25mm.
Beneficial effect of the present invention:
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.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is structural representation of the present invention;
When Fig. 2 is A phase torque suspending windings energising of the present invention, the generating schematic diagram of generating winding;
Fig. 3 be rotor of the present invention when 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 to when 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
Of the present invention 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 by 15
°, 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.Winding N wherein
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.G wherein
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, the A of take is example mutually, 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, i wherein
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 motor of the present invention, according to magnetic resistance minimum principle, can drive motor rotation.I
a1component i
sa1for motor of the present invention 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 the torque suspending windings current lead-through moment, θ
offfor torque suspending windings electric current turn-offs constantly, 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 invention; but invention is not limited to above-mentioned execution mode; in the situation that not deviating from flesh and blood of the present invention, any apparent improvement, replacement or modification that those skilled in the art can make all belong to protection scope of the present invention.
Claims (5)
1. a magnetic levitation switch magnetic resistance complete period motor, is characterized in that: by stator core (1), and stator poles (2), rotor core (3), rotor pole (4), torque suspending windings (5) and generating winding (6) form; 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, is characterized in that: described torque suspending windings (5) has 12 covers, and every cover is independently controlled, and lap wound is upper in 12 stator poles (2) respectively, differs 90
°4 cover torque suspending windings (5) form phases, 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, is characterized in that: described generating winding (5) has 12 covers, and every cover is independently controlled, and is divided into 3 phases, and 4 cover generating winding (6) the series connection lap wounds that differ 90 ° are differing 90
°4 stator poles (2) upper form a phase, winding G
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 the stator poles of alignment (2) and rotor pole (4) is 0.25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700736.5A CN103715789A (en) | 2013-12-19 | 2013-12-19 | Magnetic suspension switch magnetic resistance complete-period motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700736.5A CN103715789A (en) | 2013-12-19 | 2013-12-19 | Magnetic suspension switch magnetic resistance complete-period motor |
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| Publication Number | Publication Date |
|---|---|
| CN103715789A true CN103715789A (en) | 2014-04-09 |
Family
ID=50408511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310700736.5A Pending CN103715789A (en) | 2013-12-19 | 2013-12-19 | Magnetic suspension switch magnetic resistance complete-period motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130411A (en) * | 2016-08-22 | 2016-11-16 | 南京工程学院 | A kind of magnetic levitation switch magnetic resistance fly-wheel motor and decoupling control method |
| CN108011490A (en) * | 2017-12-25 | 2018-05-08 | 湖南同能机电科技有限公司 | A kind of motor and motor control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299553A (en) * | 2008-03-25 | 2008-11-05 | 南京航空航天大学 | Non-bearing switch reluctance motor complete-period electrification operating control method |
| CN103296935A (en) * | 2013-05-28 | 2013-09-11 | 南京航空航天大学 | Composite-structure bearingless switched reluctance motor and control method thereof |
| CN203747697U (en) * | 2013-12-19 | 2014-07-30 | 江苏大学 | Magnetic suspension switch magnetic resistance complete cycle motor |
-
2013
- 2013-12-19 CN CN201310700736.5A patent/CN103715789A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299553A (en) * | 2008-03-25 | 2008-11-05 | 南京航空航天大学 | Non-bearing switch reluctance motor complete-period electrification operating control method |
| CN103296935A (en) * | 2013-05-28 | 2013-09-11 | 南京航空航天大学 | Composite-structure bearingless switched reluctance motor and control method thereof |
| CN203747697U (en) * | 2013-12-19 | 2014-07-30 | 江苏大学 | Magnetic suspension switch magnetic resistance complete cycle motor |
Non-Patent Citations (1)
| Title |
|---|
| 项倩雯等: "《单绕组磁悬浮开关磁阻电机无径向位移传感器控制》", 《电工技术学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130411A (en) * | 2016-08-22 | 2016-11-16 | 南京工程学院 | A kind of magnetic levitation switch magnetic resistance fly-wheel motor and decoupling control method |
| CN106130411B (en) * | 2016-08-22 | 2018-06-05 | 南京工程学院 | A kind of magnetic levitation switch magnetic resistance fly-wheel motor and decoupling control method |
| CN108011490A (en) * | 2017-12-25 | 2018-05-08 | 湖南同能机电科技有限公司 | A kind of motor and motor control method |
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Application publication date: 20140409 |