CN106899159A - A kind of pair of △ winding alternating current generator - Google Patents
A kind of pair of △ winding alternating current generator Download PDFInfo
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- CN106899159A CN106899159A CN201710323837.3A CN201710323837A CN106899159A CN 106899159 A CN106899159 A CN 106899159A CN 201710323837 A CN201710323837 A CN 201710323837A CN 106899159 A CN106899159 A CN 106899159A
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- Prior art keywords
- winding
- stator poles
- pair
- armature
- alternating current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/26—Synchronous generators characterised by the arrangement of exciting windings
-
- 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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- 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 pair of △ winding alternating current generator, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and axle, belongs to specific type of electric machine field.Described pair of △ windings alternating current generator is inner rotor core, and rotor core is fixed on axle.There are 13 uniform male rotor poles in its rotor core, stator core there are 12 stator poles of convex, and 12 stator poles can be divided into 6 pairs of parallel stator poles.There is armature slot between two stator poles per a pair of parallel stator poles, have excitation groove between adjacent two pairs of parallel stator poles.Exciting Windings for Transverse Differential Protection is wound with per a pair of parallel stator poles, Exciting Windings for Transverse Differential Protection is located at the bottom of excitation groove；The armature winding of centralization is wound with each stator poles, armature winding is located at the notch of excitation groove and armature slot.The along the circumferential direction adjacent armature winding series connection of each two is a phase winding, and armature winding is divided into six phases according to phase difference, wherein the three-phase windings head and the tail series connection △ shape connections of 120 ° of electrical angles of difference.The double △ winding internal resistances of technology of the invention are small, efficiency high, while the reliability of alternating current generator can be improved.
Description
Technical field
The present invention relates to a kind of pair of △ winding alternating current generator, belong to specific type of electric machine field.
Background technology
Continuous innovation with power electronic system is upgraded, the fast development of converter technique, and whole automotive system is to generating electricity
The requirement of the machine stator winding number of phases is just gradually relaxed, and this means that the number of the generator unit stator winding number of phases can be as one
Freely measure to select.Six cross streams generators have the advantages that the incomparable attention for increasingly causing people of three phase electric machine, its
Corresponding winding is two pairs of independent three-phase windings, and this winding construction will be a new side of alternating current generator future development
To.
It is still three phase electric machine that most brushless AC generator of application is at present, and its stator armature winding is most of to be used
Wye connection, but wye connection has the distinct disadvantages such as the resistance of stator armature winding is big, many, power output of generating heat is small.This
It is set increasingly to meet the growing need for electricity of automobile, therefore the generator of armature winding delta connection is rapidly sent out
Exhibition, wye connection in the past has been replaced in some power generation requirements occasion delta connection generator higher.
In presently disclosed technology, existing related application number is 201210379517.7 patent of invention：It is a kind of
The double-winding motor and six-phase motor of magnetic circuit decoupling, the invention provide the double-winding motor and six phases for disclosing a kind of magnetic circuit decoupling
Motor, the stator slot of motor is wound with two groups of three-phase symmetrical mutual deviations, 120 degree of windings of electrical angle, and the slot number of stator slot is 24 grooves,
Number of poles is 10 poles, and MgO-ZrO_2 brick is 4/5；Two groups of windings are centralized winding construction, and the coil pitch of winding is 1；
The electrical angle of each phase between two groups of windings differs 30 degree, and first group of groove number of the U phase windings of winding is 1-2,6-7, -14, -19, V
Phase winding differs 16 grooves with U winding, and W phase windings differ 8 grooves with U winding, each phase winding of second group of winding and first group
Each phase winding of winding differs 10 grooves.Need to carry out the shortcoming of uneoupled control for traditional double-winding motor and six-phase motor, carry
A kind of motor of magnetic circuit decoupling is supplied, can effectively simplify and reduce the difficulty of the control algolithm of motor.
In addition, existing related application mainly has Patent No.：201010227960.3 patent of invention：A kind of single inversion
Double Y that device drives move 30 ° of six-phase permanent-magnet synchronous motor bi-motor trains and control method, disclose a kind of single inverter
The double Y for driving move 30 ° of six-phase permanent-magnet synchronous motor bi-motor trains, it is characterised in that it has two six-phase permanent-magnets same
Step motor, six phase inverters, current sensor, two photoelectric code disks and system control unit；The a1b1c1 of two motors
Winding, x1y1z1 windings, a2b2c2 windings, the angle of x2y2z2 windings are respectively 120 °, a1 and x1, b1 and y1, c1 and z1, a2
30 ° are respectively with the angle of x2, b2 and y2, c2 and z2, a1 divides with a2, b1 and c2, c1 and b2, x1 and y2, y1 and x2, z1 and z2
It is not coupled directly, its vector control strategy according to motor under synchronously rotating reference frame carries out speed closed loop control to motor
System, the stator voltage set-point of motor is obtained by PI regulations, coordinate transform, is superimposed the value according to phase sequence connection relation
Pulse-width signal to required for six phase inverters of control, the cost of reduction system of the present invention, the reliability for improving system, drop
The volume and weight of low system, improve the efficiency of system.
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 pair of △ winding alternating current generator of a kind of high efficiency, high reliability is provided.
In order to realize function above, the present invention is adopted the technical scheme that：
A kind of pair of △ winding alternating current generator, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and axle, its feature
It is：
Described pair of △ windings alternating current generator is inner rotor core, and rotor core is fixed on axle, has 13 in rotor core
The male rotor pole of cloth；
The stator core has 12 stator poles of convex, and 12 stator poles are divided into 6 pairs of parallel stator poles, a pair of parallel stator poles
On two stator poles center line it is parallel to each other；
There is armature slot between two stator poles per a pair of parallel stator poles, have excitation groove between adjacent two pairs of parallel stator poles,
The excitation groove deep is more than armature slot；
The excitation groove has circumferentially recessed depression in the bottom of groove, excitation groove bottom width is more than width of rebate；
Exciting Windings for Transverse Differential Protection is wound with per a pair of parallel stator poles, the coiling of adjacent Exciting Windings for Transverse Differential Protection is in opposite direction；Exciting Windings for Transverse Differential Protection is located at and encourages
The bottom of magnetic groove；
The armature coil of centralization is wound with each stator poles, the coiling of adjacent armatures coil is in opposite direction；Armature coil position
In excitation groove and the notch of armature slot；
The along the circumferential direction adjacent armature coil series connection of each two is a phase armature winding, and armature winding is divided into according to phase difference
Six phases；The threephase armature winding head and the tail for wherein differing 120 ° of electrical angles are connected into the connection of △ shapes.
A kind of pair of △ winding alternating current generator as described above, it is characterised in that：Armature winding and excitation in excitation groove
Insulating barrier is provided between winding.
A kind of pair of △ winding alternating current generator as described above, it is characterised in that：The extremely oblique pole structure of rotor.
The beneficial effects of the invention are as follows：
1 present invention reduces higher hamonic wave number of times using double △ windings, reduces additional torque, reduces harmonic loss, improves generator
Efficiency and power output；
2 motor excitation windings of the present invention and armature winding are mutually isolated, do not interfere with each other；
3 rotors are adapted to rotate at a high speed, reliable operation without Exciting Windings for Transverse Differential Protection；
4 windings are all centralized winding, and internal resistance is small, efficiency high.
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 pair of △ winding alternator construction schematic diagram of the invention.Wherein, 1, stator core, 2, rotor core, 3,
Armature winding, 4, Exciting Windings for Transverse Differential Protection, 5, axle, 6, insulating barrier.
Fig. 2 is each coil vector star graph of a kind of pair of △ windings alternating current generator of the invention.
Fig. 3 is a kind of pair of each phase winding vector star graph of △ winding alternating current generators of the invention.
Fig. 4 is a kind of pair of △ winding alternating current generator mu balanced circuit figure of the invention.
Fig. 5 is a kind of pair of winding connection figure of △ winding alternating current generators of the invention.
Specific embodiment
The present invention provides high efficiency, a kind of pair of highly reliable △ winding alternating current generator, to make technical scheme
And effect is clearer, 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 herein
Described specific implementation is only used to explain the present invention, is not intended to limit the present invention.
A kind of pair of △ winding alternating current generator as shown in Figure 1, by stator core (1), rotor core (2), Exciting Windings for Transverse Differential Protection
(4), armature winding (3) and axle (5) are constituted, and described pair of △ windings alternating current generator is inner rotor core, and rotor core (2) is fixed
On axle (5), there are 13 uniform male rotor poles in rotor core (2).
The stator core (1) has 12 stator poles of convex, and 12 stator poles can be divided into 6 pairs of parallel stator poles, a pair
The center line of two stator poles in parallel stator poles is parallel to each other.There is electricity between two stator poles per a pair of parallel stator poles
Pivot groove, there is excitation groove between adjacent two pairs of parallel stator poles, the excitation groove deep is more than armature slot.The excitation groove is in groove
Circumferentially recessed depression is arranged at bottom, excitation groove bottom width is more than width of rebate.It is wound with per a pair of parallel stator poles and is encouraged
Magnetic winding (4), the coiling of adjacent Exciting Windings for Transverse Differential Protection (4) is in opposite direction；Exciting Windings for Transverse Differential Protection (4) is positioned at the bottom of excitation groove.Each stator
The armature winding (3) for being all wound with centralization is extremely gone up, the coiling of adjacent armatures winding (3) is in opposite direction；Armature winding (3) is positioned at encouraging
The notch of magnetic groove and armature slot.Insulating barrier (6) is provided between armature winding (3) and Exciting Windings for Transverse Differential Protection (4) in excitation groove.Edge
The adjacent armature winding of circumferencial direction each two (3) series connection is a phase winding, and armature winding (3) is divided into six according to phase difference
Phase.The three-phase windings head and the tail for wherein differing 120 ° of electrical angles are connected into the connection of △ shapes.
The extremely oblique pole structure of rotor.
Fig. 2 is each coil vector star graph of a kind of pair of △ windings alternating current generator of the invention.
Fig. 3 is a kind of pair of each phase winding vector star graph of △ winding alternating current generators of the invention.As illustrated, armature winding
(3) it is divided into the phase armature winding (3) of A, B, C, X, Y and Z six according to phase difference, wherein A, B and C phase winding differs 120 ° of electric angles
Degree, A and X differ 30 ° of electrical angles.
Fig. 4 is a kind of pair of △ winding alternating current generator mu balanced circuit figure of the invention.As illustrated, armature winding (3) foundation
Phase difference is divided into six phases, wherein the three-phase windings head and the tail series connection of 120 ° of electrical angles of difference forms the connection of △ shapes, two △ shapes connect
The winding for connecing differs 30 ° of electrical angles.Six phase windings connect six rectifier bridges respectively.
Fig. 5 is a kind of pair of winding connection figure of △ winding alternating current generators of the invention.As illustrated, per a pair of parallel stator
Exciting Windings for Transverse Differential Protection (4) is wound with extremely, the coiling of adjacent Exciting Windings for Transverse Differential Protection (4) is in opposite direction, and Exciting Windings for Transverse Differential Protection (4) is positioned at the bottom of excitation groove
Portion；The armature coil of centralization is wound with each stator poles, the coiling of adjacent armatures coil is in opposite direction, armature winding (3)
Positioned at excitation groove and the notch of armature slot.
The present invention provide a kind of pair of △ winding alternator operation principle be：Exciting Windings for Transverse Differential Protection (4) is powered and produces magnetic field,
The magnetic flux of generation will form closed-loop path by the stator yoke of each phase, stator teeth, air-gap, rotor teeth portion, rotor yoke.
When applied mechanical power drive rotor makes it be rotated by a direction, by the magnetic linkage of every phase armature winding (3) institute linkage occurs
Change, winding will produce induced electromotive force, when winding is connected with external load, then electric power generation.Six phase windings of generator
Six rectifier bridges are connect respectively, to load conveying direct current.
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 (3)
1. a kind of pair of △ winding alternating current generator, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and axle, it is special
Levy and be：
Described pair of △ windings alternating current generator is inner rotor core, and rotor core is fixed on axle, has 13 in rotor core
The male rotor pole of cloth；
The stator core has 12 stator poles of convex, and 12 stator poles are divided into 6 pairs of parallel stator poles, a pair of parallel stator poles
On two stator poles center line it is parallel to each other；
There is armature slot between two stator poles per a pair of parallel stator poles, have excitation groove between adjacent two pairs of parallel stator poles,
The excitation groove deep is more than armature slot；
The excitation groove has circumferentially recessed depression in the bottom of groove, excitation groove bottom width is more than width of rebate；
Exciting Windings for Transverse Differential Protection is wound with per a pair of parallel stator poles, the coiling of adjacent Exciting Windings for Transverse Differential Protection is in opposite direction；Exciting Windings for Transverse Differential Protection is located at and encourages
The bottom of magnetic groove；
The armature coil of centralization is wound with each stator poles, the coiling of adjacent armatures coil is in opposite direction；Armature coil position
In excitation groove and the notch of armature slot；
The along the circumferential direction adjacent armature coil series connection of each two is a phase armature winding, and armature winding is divided into according to phase difference
Six phases；The threephase armature winding head and the tail for wherein differing 120 ° of electrical angles are connected into the connection of △ shapes.
2. a kind of pair of △ winding alternating current generator as claimed in claim 1, it is characterised in that：Armature winding in excitation groove and
Insulating barrier is provided between Exciting Windings for Transverse Differential Protection.
3. a kind of pair of △ winding alternating current generator as claimed in claim 1, it is characterised in that：The extremely oblique pole structure of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323837.3A CN106899159B (en) | 2017-05-10 | 2017-05-10 | A kind of double △ winding alternating current generators |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710323837.3A CN106899159B (en) | 2017-05-10 | 2017-05-10 | A kind of double △ winding alternating current generators |
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| Publication Number | Publication Date |
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| CN106899159A true CN106899159A (en) | 2017-06-27 |
| CN106899159B CN106899159B (en) | 2019-04-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149798A (en) * | 2018-09-20 | 2019-01-04 | 山东理工大学 | The permanent magnet synchronous motor of electric car type stator iron core |
| CN110460218A (en) * | 2019-09-20 | 2019-11-15 | 哈尔滨工业大学 | Stator magnetic circuit controls Flywheel motor-generator system |
| CN110829663A (en) * | 2019-11-15 | 2020-02-21 | 浙江安美德汽车配件有限公司 | Seventy-two-slot six-phase low-noise stator winding |
| CN110912303A (en) * | 2019-12-12 | 2020-03-24 | 山东理工大学 | Starting generator of range extender of electric automobile |
| CN112636490A (en) * | 2020-11-20 | 2021-04-09 | 上海电力大学 | Three-phase 24/14-pole distributed electro-magnetic doubly-salient wind driven generator |
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|---|---|---|---|---|
| JP2003180059A (en) * | 2001-12-10 | 2003-06-27 | Denso Corp | Alternating-current rotating electric machine for vehicle |
| CN101662172A (en) * | 2009-09-25 | 2010-03-03 | 东南大学 | Composite excitation type magnetic flux reverse motor |
| JP2010115068A (en) * | 2008-11-10 | 2010-05-20 | Hitachi Ltd | Motor and motor control device |
| CN102570648A (en) * | 2012-02-14 | 2012-07-11 | 上海电机学院 | Electro-excitation flux reversing motor |
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2017
- 2017-05-10 CN CN201710323837.3A patent/CN106899159B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003180059A (en) * | 2001-12-10 | 2003-06-27 | Denso Corp | Alternating-current rotating electric machine for vehicle |
| JP2010115068A (en) * | 2008-11-10 | 2010-05-20 | Hitachi Ltd | Motor and motor control device |
| CN101662172A (en) * | 2009-09-25 | 2010-03-03 | 东南大学 | Composite excitation type magnetic flux reverse motor |
| CN102570648A (en) * | 2012-02-14 | 2012-07-11 | 上海电机学院 | Electro-excitation flux reversing motor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149798A (en) * | 2018-09-20 | 2019-01-04 | 山东理工大学 | The permanent magnet synchronous motor of electric car type stator iron core |
| CN110460218A (en) * | 2019-09-20 | 2019-11-15 | 哈尔滨工业大学 | Stator magnetic circuit controls Flywheel motor-generator system |
| CN110460218B (en) * | 2019-09-20 | 2021-03-09 | 哈尔滨工业大学 | Flywheel pulse generator system controlled by stator magnetic circuit |
| CN110829663A (en) * | 2019-11-15 | 2020-02-21 | 浙江安美德汽车配件有限公司 | Seventy-two-slot six-phase low-noise stator winding |
| CN110829663B (en) * | 2019-11-15 | 2021-05-14 | 浙江安美德汽车配件有限公司 | Seventy-two-slot six-phase low-noise stator winding |
| CN110912303A (en) * | 2019-12-12 | 2020-03-24 | 山东理工大学 | Starting generator of range extender of electric automobile |
| CN112636490A (en) * | 2020-11-20 | 2021-04-09 | 上海电力大学 | Three-phase 24/14-pole distributed electro-magnetic doubly-salient wind driven generator |
| CN112636490B (en) * | 2020-11-20 | 2023-04-28 | 上海电力大学 | Three-phase 24/14-pole distributed electro-magnetic doubly salient wind driven generator |
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