CN106787557A - A kind of concentratred winding electric excitation biconvex electrode electric machine - Google Patents
A kind of concentratred winding electric excitation biconvex electrode electric machine Download PDFInfo
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- CN106787557A CN106787557A CN201710165231.1A CN201710165231A CN106787557A CN 106787557 A CN106787557 A CN 106787557A CN 201710165231 A CN201710165231 A CN 201710165231A CN 106787557 A CN106787557 A CN 106787557A
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- stator
- pole
- armature
- electric machine
- winding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/12—Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
-
- 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
- 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
Abstract
The present invention proposes a kind of concentratred winding electric excitation biconvex electrode electric machine, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and axle, belongs to specific type of electric machine technical field.There are 10 uniform male rotor poles on the electric machine rotor iron core, the pole embrace of male rotor pole is 0.5.Stator core has 9 convex stator poles, wherein 6 mechanical angles of convex stator poles polar arc are 12 °, referred to as armature stator poles；The mechanical angle of other 3 convexs stator poles polar arc is 24 °, referred to as energized stator pole；In a circumferential direction, two armature stator poles are sequentially arranged at intervals with an energized stator pole.The stator poles for having size, function all different in the technical stator core of electric excitation biconvex electrode electric machine of the invention are spaced, therefore the characteristics of with efficient, reliable operation, good speed adjustment features；And motor of the invention is centralized winding electric excitation biconvex electrode electric machine, magnetic circuit path is short, and the loss of copper loss iron loss is few, efficiency high.
Description
Technical field
The present invention relates to a kind of concentratred winding electric excitation biconvex electrode electric machine, belong to specific type of electric machine technical field.
Background technology
Double salient-pole electric machine has on rotor without winding because of it, simple structure, turns into the characteristics of be adapted to high-speed cruising after opening
Close alternating current generator and its another new research direction of control field after reluctance motor.At present, both at home and abroad to double salient-pole electric machine
Research is concentrated mainly on doubly salient permanent magnet motor, the rarely seen document report of electric excitation biconvex electrode electric machine.
Electric excitation biconvex electrode electric machine is to develop to open on the basis of matured product switched reluctance machines and doubly salient permanent magnet motor
The product of hair.The motor possesses the advantage of switched reluctance machines and doubly salient permanent magnet motor, and motor permanent magnetism is replaced with electrical excitation
Structure, makes electric machine structure and manufacturing process all very simple, and reliability is high, low cost, is particularly well-suited to high-speed cruising.And due to
The electromagnetic property of electric excitation biconvex electrode electric machine is different from doubly salient permanent magnet motor, therefore, to electric excitation biconvex electrode electric machine and its
Control system is studied very necessary.
Presently relevant patent is concentrated mainly in motor body structure and control technology.The patent of invention of such as mandate：
A kind of electric excitation biconvex electrode electric machine stator punching, the patent No.：201410339438.2, invent a kind of electric excitation biconvex electrode electricity
Motor stator punching, it is evenly distributed with two kinds of different groove profiles on the inward flange of stator punching, the trapezoidal shape of the first groove profile,
Slot bottom width is more than width of rebate, and second rectangular shape of groove profile, slot bottom width is equal to width of rebate；The notch of both groove profiles
Groove shoulder is further respectively had and bottom land between, groove shoulder is raised fillet；The first groove profile is spaced apart with second groove profile.With it is common
Punching is compared, the advantage of invention design be can not only reduces cost, and also ensure the performance of motor.
In addition, having the patent related to electric excitation biconvex electrode electric machine, such as patent No.：201410538070.2 invention is special
Profit：A kind of bimodulus dynamotor, it is proposed that a kind of new coil structure makes the motor both can be as switched reluctance machines pattern
Operation, again can be as electric excitation biconvex electrode electric machine mode operation.The invention is operated in switched reluctance machines pattern when electronic, hair
Electric excitation biconvex electrode electric machine pattern is operated in when electric.
One excitation source of three-phase double salient-pole electric machine traditional at present（Magnet exciting coil or permanent magnet, with Exciting Windings for Transverse Differential Protection it is herein
Example is introduced）There is provided excitations to three armature winding, the tip lengths of the motor excitation winding are more long, thus excitation loss compared with
Greatly, the volume of occupancy is larger, and cost is also high.In addition also there is each phase asymmetry problem in traditional multiphase double salient-pole electric machine（Refer to
The paper that the application is delivered as the first inventor《Each five symmetrical phase Fielding-winding doubly salient generator Analysis of Electromagnetic Character》.
Proceedings of the CSEE 2016. 36 (10)）.The application is inventors herein proposed across the double of stator poles coiling as first
Salient-pole machine " grant number ZL201510010867X, a kind of straight drive motorized pulleys motor ", but this motor excitation winding number
It is more, therefore the enamel-covered wire for axially taking is more, space is big and excitation efficiency is low.Therefore thinking of breaking the normal procedure, propose a kind of one
Excitation source can provide excitation, and the symmetrical double salient-pole electric machine of each phase performance to multiple stator poles.
The technology of the application is mainly reflected in electric machine structure aspect with the difference of prior art.The technology of the application has new
The stator and rotor sructure of type and the special rotor match parameter beyond disclosed convention technology, the combination of its pole embrace and drift angle
Also it is essentially different with conventional motors.
The content of the invention
Technical problem to be solved：A kind of a kind of concentratred winding electric excitation dual protrusion reasonable in design, convenient to carry out is provided
Pole motor.
In order to realize function above, the present invention is adopted the technical scheme that：
A kind of concentratred winding electric excitation biconvex electrode electric machine, including stator core (3), rotor core (1), Exciting Windings for Transverse Differential Protection (4), armature
Winding (5) and axle (2), it is characterised in that：
The motor is inner rotor core, and rotor core (1) is fixed on axle (2), have in rotor core (1) 10 it is uniform convex
Shape rotor pole, the pole embrace of male rotor pole is 0.5；
The stator core (3) has 9 convex stator poles, wherein 6 mechanical angles of convex stator poles polar arc are 12 °, it is referred to as electric
Pivot stator poles；The mechanical angle of other 3 convexs stator poles polar arc is 24 °, referred to as energized stator pole；In a circumferential direction, two
Armature stator poles are sequentially arranged at intervals with an energized stator pole；All there is stator slot between any two convex stator poles, it is described
The mechanical angle of stator slot polar arc is 24 °；
Each energized stator extremely on be wound with Exciting Windings for Transverse Differential Protection (4), all Exciting Windings for Transverse Differential Protection (4) around to consistent；
Be wound with armature winding (5) in each armature stator poles, all armature winding (5) around to opposite with Exciting Windings for Transverse Differential Protection (4)；
Armature winding (5) between two energized stator poles is composed in series a phase, and armature winding (5) is divided into three-phase.
A kind of concentratred winding electric excitation biconvex electrode electric machine as described above, it is characterised in that：Two be wound with same phase armature around
There is no stator core yoke portion (6) to connect between the armature stator poles of group (5), i.e., there are three stator unshakable in one's determination on circumferencial direction, often
It is energized stator pole in the middle of individual stator is unshakable in one's determination, both sides are armature stator poles, there is fixed between energized stator pole and armature stator poles
Sub- rear of core (6) connection.
A kind of concentratred winding electric excitation biconvex electrode electric machine as described above, it is characterised in that：Two be wound with same phase armature around
There is stator core yoke portion (6) to connect between the armature stator poles of group (5), i.e., stator core (3) is an entirety on circumferencial direction.
A kind of concentratred winding electric excitation biconvex electrode electric machine as described above, it is characterised in that：The extremely oblique pole structure of rotor, institute
Motor is stated to be controlled using the sine wave control method used by permagnetic synchronous motor.
A kind of concentratred winding electric excitation biconvex electrode electric machine as described above, it is characterised in that：The extremely non-oblique pole structure of rotor,
The motor is controlled using the three-phase six-beat control method used by brshless DC motor.
The beneficial effects of the invention are as follows：
1 motor coordinated using specific pole embrace and drift angle and electric machine rotor number of poles make motor efficiently, steady operation；
There is concentratred winding on 2 stators, easily cooling, efficiency high, good speed adjustment features；
3 rotors are without Exciting Windings for Transverse Differential Protection, reliable operation；
4 total magnetic linkages are shorter, and stator core magnetic resistance is small, and iron loss is few；
5 windings are all centralized winding, and internal resistance is small, efficiency high；
6 three-phase windings can be used traditional three-phase six-beat control mode to carry out Electronic control, low cost.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of embodiment of concentratred winding electric excitation biconvex electrode electric machine the 1st transverse direction cross section structure diagram of the invention.Its
In, 1, rotor core, 2, axle, 3, stator core, 4, Exciting Windings for Transverse Differential Protection, 5, armature winding, 6, stator core yoke portion.
Fig. 2 is a kind of embodiment of concentratred winding electric excitation biconvex electrode electric machine the 2nd transverse direction cross section structure diagram of the invention.Its
In, 1, rotor core, 2, axle, 3, stator core, 4, Exciting Windings for Transverse Differential Protection, 5, armature winding, 6, stator core yoke portion.
Fig. 3 is a kind of magnetic linkage oscillogram of concentratred winding electric excitation biconvex electrode electric machine of the invention.Wherein, A, B and C generation respectively
The magnetic linkage waveform of the magnetic linkage waveform of Table A phase winding, the magnetic linkage waveform of B phase windings and C phase windings.
Fig. 4 is a kind of winding inserting figure of concentratred winding electric excitation biconvex electrode electric machine of the invention.
Specific embodiment
The present invention provides a kind of concentratred winding electric excitation biconvex electrode electric machine, to make technical scheme and effect more
It is clear, clear and definite, and referring to the drawings and give an actual example that the present invention is described in more detail.It should be appreciated that tool described herein
Body is implemented only to be used to explain the present invention, is not intended to limit the present invention.
A kind of embodiment of concentratred winding electric excitation biconvex electrode electric machine the 1st transverse direction cross section structure diagram as shown in Figure 1, the electricity
Machine is made up of stator core (3), rotor core (1), Exciting Windings for Transverse Differential Protection (4), armature winding (5) and axle (2), and rotor core (1) is solid
It is scheduled on axle (2), there are 10 uniform male rotor poles in rotor core (1), the pole embrace of male rotor pole is 0.5；It is fixed
Sub- iron core (3) has 9 convex stator poles, wherein 6 mechanical angles of convex stator poles polar arc are 12 °, referred to as armature stator poles, separately
The mechanical angle of outer 3 convexs stator poles polar arc is 24 °, referred to as energized stator pole；In a circumferential direction, two armature stator poles with
One energized stator pole is sequentially arranged at intervals, and all has stator slot between any two convex stator poles, the stator slot polar arc
Mechanical angle is 24 °.
Motor each energized stator extremely on be wound with Exciting Windings for Transverse Differential Protection (4), all Exciting Windings for Transverse Differential Protection (4) around to consistent；Often
Be wound with armature winding (5) in individual armature stator poles, all armature winding (5) around to Exciting Windings for Transverse Differential Protection (4) conversely, two excitations
Armature winding (5) between stator poles is composed in series a phase, and armature winding (5) is divided into three-phase.
Fig. 2 is a kind of embodiment of concentratred winding electric excitation biconvex electrode electric machine the 2nd transverse direction cross section structure diagram of the invention, such as
Two, motor shown in figure does not have stator core yoke portion (6) to connect between being wound with the armature stator poles of same phase armature winding (5), i.e.,
There are three stator unshakable in one's determination on circumferencial direction, be energized stator pole in the middle of each stator iron core, both sides are armature stator poles, are encouraged
There is stator core yoke portion (6) to connect between magnetic stator poles and armature stator poles.
Fig. 3 is a kind of magnetic linkage oscillogram of concentratred winding electric excitation biconvex electrode electric machine of the invention.As can be seen that being encouraged passing to
In the case of magnetoelectricity stream, the change of the magnetic linkage meeting generating period of three-phase windings when rotor rotates, therefore sensing can be induced
Electromotive force or back-emf.
Fig. 4 is a kind of winding inserting figure of concentratred winding electric excitation biconvex electrode electric machine of the invention.Wherein 1-9 represents number of poles
Sequence number.
The explanation of principle is operated to a kind of concentratred winding electric excitation biconvex electrode electric machine proposed by the present invention below.
When motor is as motor running, within an electric cycle, three-phase windings self-inductance magnetic linkage and three-phase windings and excitation
Mutual inductance magnetic linkage between winding, is always in one and mutually rises, and one mutually declines；When mutual inductance magnetic linkage increase between phase winding self-induction and Exciting Windings for Transverse Differential Protection
When winding in be passed through positive current, be passed through negative current in winding when mutual inductance magnetic linkage reduces, produced just on whole cycle internal rotor
Torque.
When electric power generation runs, when Exciting Windings for Transverse Differential Protection is connected with constant current, the magnetic flux produced in motor will be by stator
Yoke portion, stator poles, air gap, rotor pole, rotor yoke form closed magnetic circuit.Applied mechanical power drive rotor makes it by a direction
During rotation, by the magnetic linkage of every phase armature winding institute linkage changes, winding will produce induced electromotive force, when winding with it is external
During load connection, then electric power generation, electric energy is conveyed to load.When load or rotation speed change, excitation can be adjusted by pressure regulator
The size of current of winding is exported maintaining constant voltage.
It is understood that for those of ordinary skills, can be with technology according to the present invention scheme and its hair
Bright design is subject to equivalent or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Shield scope.
Claims (5)
1. a kind of concentratred winding electric excitation biconvex electrode electric machine, including stator core (3), rotor core (1), Exciting Windings for Transverse Differential Protection (4), electricity
Pivot winding (5) and axle (2), it is characterised in that：
The motor is inner rotor core, and rotor core (1) is fixed on axle (2), have in rotor core (1) 10 it is uniform convex
Shape rotor pole, the pole embrace of male rotor pole is 0.5；
The stator core (3) has 9 convex stator poles, wherein 6 mechanical angles of convex stator poles polar arc are 12 °, it is referred to as electric
Pivot stator poles；The mechanical angle of other 3 convexs stator poles polar arc is 24 °, referred to as energized stator pole；In a circumferential direction, two
Armature stator poles are sequentially arranged at intervals with an energized stator pole；All there is stator slot between any two convex stator poles, it is described
The mechanical angle of stator slot polar arc is 24 °；
Each energized stator extremely on be wound with Exciting Windings for Transverse Differential Protection (4), all Exciting Windings for Transverse Differential Protection (4) around to consistent；
Be wound with armature winding (5) in each armature stator poles, all armature winding (5) around to opposite with Exciting Windings for Transverse Differential Protection (4)；
Armature winding (5) between two energized stator poles is composed in series a phase, and armature winding (5) is divided into three-phase.
2. a kind of concentratred winding electric excitation biconvex electrode electric machine as claimed in claim 1, it is characterised in that：Two are wound with mutually electricity
There is no stator core yoke portion (6) to connect between the armature stator poles of pivot winding (5), i.e., there are three sub- iron of stator on circumferencial direction
The heart, is energized stator pole in the middle of each stator iron core, and both sides are armature stator poles, between energized stator pole and armature stator poles
There is stator core yoke portion (6) to connect.
3. a kind of concentratred winding electric excitation biconvex electrode electric machine as claimed in claim 1, it is characterised in that：Two are wound with mutually electricity
There are stator core yoke portion (6) connection, i.e. circumferencial direction stator core (3) between the armature stator poles of pivot winding (5) for one whole
Body.
4. a kind of concentratred winding electric excitation biconvex electrode electric machine as claimed in claim 1, it is characterised in that：The extremely oblique pole knot of rotor
Structure, the motor is controlled using the sine wave control method used by permagnetic synchronous motor.
5. a kind of concentratred winding electric excitation biconvex electrode electric machine as claimed in claim 1, it is characterised in that：The extremely non-oblique pole of rotor
Structure, the motor is controlled using the three-phase six-beat control method used by brshless DC motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710165231.1A CN106787557B (en) | 2017-03-20 | 2017-03-20 | A kind of concentratred winding electric excitation biconvex electrode electric machine |
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| CN201710165231.1A CN106787557B (en) | 2017-03-20 | 2017-03-20 | A kind of concentratred winding electric excitation biconvex electrode electric machine |
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| CN106787557A true CN106787557A (en) | 2017-05-31 |
| CN106787557B CN106787557B (en) | 2019-02-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713668A (en) * | 2020-12-22 | 2021-04-27 | 郑州轻工业大学 | Three-phase double-salient-pole motor with unevenly distributed stator pole widths |
| CN113809843A (en) * | 2021-08-27 | 2021-12-17 | 南京航空航天大学 | Three-phase symmetrical 12k/8k electro-magnetic doubly salient motor |
| CN114285194A (en) * | 2022-01-07 | 2022-04-05 | 郑州轻工业大学 | Armature coil strides extremely winding's doubly salient pole machine of electricity excitation |
| CN114285193A (en) * | 2022-01-07 | 2022-04-05 | 郑州轻工业大学 | Novel bipolar flux linkage hybrid excitation doubly salient motor |
| CN114389410A (en) * | 2022-01-07 | 2022-04-22 | 郑州轻工业大学 | Material-saving consumption-reducing type induction coil winding method |
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| CN105811702A (en) * | 2016-03-18 | 2016-07-27 | 山东大学 | Mixed excitation segmented rotor switch flux motor and working method thereof |
| CN105914910A (en) * | 2016-06-15 | 2016-08-31 | 南京航空航天大学 | Doubly-salient permanent magnet motor structure |
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| CN2836328Y (en) * | 2005-11-02 | 2006-11-08 | 东南大学 | Three-phase outer rotor permanent magnetic brushless generator with double salient poles |
| CN201947073U (en) * | 2010-12-10 | 2011-08-24 | 上海电机学院 | Radial structure outer-rotor biconvex pole motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713668A (en) * | 2020-12-22 | 2021-04-27 | 郑州轻工业大学 | Three-phase double-salient-pole motor with unevenly distributed stator pole widths |
| CN113809843A (en) * | 2021-08-27 | 2021-12-17 | 南京航空航天大学 | Three-phase symmetrical 12k/8k electro-magnetic doubly salient motor |
| CN114285194A (en) * | 2022-01-07 | 2022-04-05 | 郑州轻工业大学 | Armature coil strides extremely winding's doubly salient pole machine of electricity excitation |
| CN114285193A (en) * | 2022-01-07 | 2022-04-05 | 郑州轻工业大学 | Novel bipolar flux linkage hybrid excitation doubly salient motor |
| CN114389410A (en) * | 2022-01-07 | 2022-04-22 | 郑州轻工业大学 | Material-saving consumption-reducing type induction coil winding method |
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| CN106787557B (en) | 2019-02-26 |
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Inventor after: Li Dalong Inventor after: Shi Liwei Inventor after: Guo Yingzhi Inventor after: Xiao Dong Inventor after: Zhang Xueyi Inventor before: Shi Liwei Inventor before: Li Dalong Inventor before: Guo Yingzhi Inventor before: Xiao Dong Inventor before: Zhang Xueyi |
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Effective date of registration: 20220113 Address after: 255020 room 618, floor 6, building 1, Hongyu building, No. 188, Renmin West Road, Mashang sub district office, Zhangdian District, Zibo City, Shandong Province Patentee after: Shandong Nast Transportation Technology Co.,Ltd. Address before: 255086 room 313, block a, Gaochuang Park, high tech Industrial Zone, Zibo City, Shandong Province Patentee before: Shandong University of Technology |