CN106899159B - A kind of double △ winding alternating current generators - Google Patents
A kind of double △ winding alternating current generators Download PDFInfo
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- CN106899159B CN106899159B CN201710323837.3A CN201710323837A CN106899159B CN 106899159 B CN106899159 B CN 106899159B CN 201710323837 A CN201710323837 A CN 201710323837A CN 106899159 B CN106899159 B CN 106899159B
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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
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- 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
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- Engineering & Computer Science (AREA)
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- Windings For Motors And Generators (AREA)
Abstract
The present invention proposes a kind of double △ winding alternating current generators, including stator core, rotor core, excitation winding, armature winding and axis, belongs to specific type of electric machine field.Double △ winding alternating current generators are inner rotor core, and rotor core is fixed on axis.There are 13 uniformly distributed male rotor poles in its rotor core, stator core there are the stator poles of 12 convexs, and 12 stator poles can be divided into 6 pairs of parallel stator poles.There is armature slot between two stator poles of every a pair of parallel stator poles, has excitation slot between adjacent two pairs parallel stator poles.It is wound with excitation winding in every a pair of parallel stator poles, excitation winding is located at the bottom of excitation slot；The armature winding of centralization is wound in each stator poles, armature winding is located at the notch of excitation slot and armature slot.Along the circumferential direction every two adjacent armature winding series connection 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 connection of 120 ° of electrical angles of difference.The double △ winding internal resistances of technology of the invention are small, high-efficient, while the reliability of alternating current generator can be improved.
Description
Technical field
The present invention relates to a kind of double △ winding alternating current generators, belong to specific type of electric machine field.
Background technique
As the continuous innovation of power electronic system upgrades, the fast development of converter technique, entire automotive system is to power generation
The requirement of the machine stator winding number of phases is just gradually relaxed, this means that the number of the generator unit stator winding number of phases can be used as one
It freely measures to select.Six phase alternating current generators, which have the advantages that three-phase motor is incomparable, increasingly to attract people's attention,
Corresponding winding is two pairs of independent three-phase windings, and this winding construction will be one of alternating current generator future development new side
To.
The most brushless AC generators applied at present be still three-phase motor, stator armature winding largely uses
Wye connection, but wye connection has the distinct disadvantages such as the resistance of stator armature winding is big, fever is more, output power is small.This
It is set not to be able to satisfy the growing power demand of automobile increasingly, therefore the generator of armature winding delta connection is rapidly sent out
Exhibition, has replaced wye connection in the past in the higher occasion delta connection generator of some power generation requirements.
In presently disclosed technology, has the patent of invention that related application number is 201210379517.7: a kind of
The double-winding motor and six-phase motor of magnetic circuit decoupling, which, which provides, discloses the double-winding motor and six phases of a kind of magnetic circuit decoupling
Motor, the stator slot of motor are wound with the winding of two groups of three-phase symmetrical mutual deviations, 120 degree of electrical angles, and the slot number of stator slot is 24 slots,
Number of poles is 10 poles, MgO-ZrO_2 brick 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 the slot number of the U phase winding of first group of winding is 1-2,6-7, and -14, -19, V
Phase winding differs 16 slots with U windings, and W phase winding differs 8 slots with U windings, each phase winding of second group of winding and first group
Each phase winding of winding differs 10 slots.The shortcomings that carrying out decoupling control is needed for traditional double-winding motor and six-phase motor, is mentioned
The motor for having supplied a kind of decoupling of magnetic circuit, can effectively simplify and reduce motor control algolithm difficulty.
In addition, existing related application mainly has Patent No.: 201010227960.3 patent of invention: a kind of list inversion
Double Y of device driving move 30 ° of six-phase permanent-magnet synchronous motor bi-motor trains and control method, disclose a kind of single inverter
Double Y of 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
Walk motor, six phase inverters, current sensor, two photoelectric code disks and system control unit；The a1b1c1 of two motors
Winding, x1y1z1 winding, a2b2c2 winding, x2y2z2 winding angle be respectively 120 °, a1 and x1, b1 and y1, c1 and z1, a2
Angle with x2, b2 and y2, c2 and z2 is respectively 30 °, a1 and a2, b1 and c2, c1 and b2, x1 and y2, y1 and x2, z1 and z2 points
It is not coupled directly, speed closed loop control is carried out to motor according to vector control strategy of the motor under synchronously rotating reference frame
System obtains the stator voltage given value of motor by PI adjusting, coordinate transform, is superimposed the value according to phase sequence connection relation
To pulse-width signal required for six phase inverters of control, the present invention reduces the cost of system, the reliability for improving system, drop
The volume and weight of low system, improve the efficiency of system.
(magnet exciting coil or permanent magnet with excitation winding are herein for traditional one excitation source of three-phase double salient-pole electric machine at present
Example is introduced) provide excitations to three armature winding, the tip lengths of the motor excitation winding are longer, thus excitation loss compared with
Greatly, the volume of occupancy is larger, and cost is also high.In addition there is also each phase asymmetry problems (to be detailed in for traditional multiphase double salient-pole electric machine
Paper " each five symmetrical phase Fielding-winding doubly salient generator Analysis of Electromagnetic Character " of the application as first invention human hair table
Proceedings of the CSEE 2016.36 (10)).The application proposes the biconvex across a stator poles coiling as first invention people
Pole motor " grant number ZL201510010867X, a kind of straight to drive motorized roller motor ", but this motor excitation winding number compared with
It is more, therefore the enameled wire axially occupied is more, space is big and excitation efficiency is low.Therefore break conventional thought, propose that a kind of one is encouraged
Magnetic source can provide excitation, and each symmetrical double salient-pole electric machine of phase performance to multiple stator poles.
In terms of the technology of the application and the difference of the prior art are mainly reflected in electric machine structure.The technology of the application has new
The stator and rotor sructure of type and beyond the special rotor match parameter for disclosing convention technology, the combination of pole embrace and drift angle
Also it is essentially different with conventional motors.
Summary of the invention
Technical problem to be solved: a kind of double △ winding alternating current generators of a kind of high efficiency, high reliability are provided.
In order to achieve the above functions, the technical solution adopted by the present invention is that:
A kind of double △ winding alternating current generators, including stator core, rotor core, excitation winding, armature winding and axis,
It is characterized in that:
Double △ winding alternating current generators are inner rotor core, and rotor core is fixed on axis, there is 13 in rotor core
A uniformly distributed male rotor pole；
The stator core has the stator poles of 12 convexs, and 12 stator poles are divided into 6 pairs of parallel stator poles, a pair of parallel fixed
Son extremely on two stator poles center line it is parallel to each other；
There is armature slot between two stator poles of every a pair of parallel stator poles, has excitation between adjacent two pairs parallel stator poles
Slot, the excitation groove deep are greater than armature slot；
The excitation slot has circumferentially recessed recess in the bottom of slot, and excitation groove bottom width is made to be greater than width of rebate；
It is wound with excitation winding in every a pair of parallel stator poles, the coiling of adjacent excitation winding is contrary；Excitation winding position
In the bottom of excitation slot；
The armature coil of centralization is wound in each stator poles, the coiling of adjacent armatures coil is contrary；Armature line
Circle is located at the notch of excitation slot and armature slot；
Along the circumferential direction every two adjacent armature coil series connection is a phase armature winding, and armature winding is different according to phase
It is divided into six phases；Wherein differ the threephase armature winding head and the tail series connection △ shape connection of 120 ° of electrical angles.
A kind of double △ winding alternating current generators as described above, it is characterised in that: armature winding and excitation in excitation slot
Insulating barrier is provided between winding.
A kind of double △ winding alternating current generators as described above, it is characterised in that: the extremely oblique pole structure of rotor.
The beneficial effects of the present invention are:
1 present invention reduces higher hamonic wave number using double △ windings, reduces additional torque, reduces harmonic loss, improves hair
Electric efficiency and output power；
2 motor excitation windings and armature winding of the present invention are mutually isolated, do not interfere with each other；
3 rotors are suitble to high speed rotation, reliable operation without excitation winding；
4 windings are all centralized winding, and internal resistance is small, high-efficient.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is a kind of double △ winding alternator construction schematic diagrames of the present invention.Wherein, 1, stator core, 2, rotor iron
The heart, 3, armature winding, 4, excitation winding, 5, axis, 6, insulating barrier.Armature winding is divided into six phases according to phase difference, wherein A1
First coil of A phase and second coil are respectively indicated with A2, B1 and B2 respectively indicate first coil of B phase and second line
Circle, C1 and C2 respectively indicate first coil of C phase and second coil, and X1 and X2 respectively indicate first coil of X phase and second
A coil, Y1 and Y2 respectively indicate first coil of Y phase and second coil, Z1 and Z2 respectively indicate first coil of Z phase and
Second coil.
Fig. 2 is a kind of double each coil vector star graphs of △ winding alternating current generator of the present invention.Wherein A1 and A2 distinguishes table
Show that first coil of A phase and second coil, B1 and B2 respectively indicate first coil of B phase and second coil, C1 and C2 divide
Not Biao Shi first coil of C phase and second coil, X1 and X2 respectively indicate first coil of X phase and second coil, Y1 and
Y2 respectively indicates first coil of Y phase and second coil, and Z1 and Z2 respectively indicate first coil of Z phase and second coil.
Fig. 3 is a kind of double each phase winding vector star graphs of △ winding alternating current generator of the present invention.Wherein A1 and A2 distinguishes table
Show that first coil of A phase and second coil, B1 and B2 respectively indicate first coil of B phase and second coil, C1 and C2 divide
Not Biao Shi first coil of C phase and second coil, X1 and X2 respectively indicate first coil of X phase and second coil, Y1 and
Y2 respectively indicates first coil of Y phase and second coil, and Z1 and Z2 respectively indicate first coil of Z phase and second coil.
Fig. 4 is a kind of double △ winding alternating current generator voltage regulator circuit figures of the present invention.
Fig. 5 is a kind of winding connection figure of double △ winding alternating current generators of the present invention.Wherein A1 and A2 respectively indicates A phase
One coil and second coil, B1 and B2 respectively indicate first coil of B phase and second coil, C1 and C2 respectively indicate C
First coil of phase and second coil, X1 and X2 respectively indicate first coil of X phase and second coil, and Y1 and Y2 distinguish table
Show that first coil of Y phase and second coil, Z1 and Z2 respectively indicate first coil of Z phase and second coil.
Specific embodiment
The present invention provides high efficiency, a kind of highly reliable double △ winding alternating current generators, to make technical solution of the present invention
And effect is clearer, clear, and referring to attached drawing and gives an actual example that the present invention is described in more detail.It should be appreciated that herein
Described specific implementation is not intended to limit the present invention only to explain the present invention.
A kind of double △ winding alternating current generators as shown in Figure 1, by stator core (1), rotor core (2), excitation winding
(4), armature winding (3) and axis (5) composition, double △ winding alternating current generators are inner rotor core, and rotor core (2) is fixed
On axis (5), there are 13 uniformly distributed male rotor poles in rotor core (2).
The stator core (1) has the stator poles of 12 convexs, and 12 stator poles can be divided into 6 pairs of parallel stator poles, a pair of
The center line of two stator poles in parallel stator poles is parallel to each other.There is electricity between two stator poles of every a pair of parallel stator poles
Pivot slot, there is excitation slot between adjacent two pairs parallel stator poles, and the excitation groove deep is greater than armature slot.The excitation slot is in slot
Circumferentially recessed recess is arranged at bottom, and excitation groove bottom width is made to be greater than width of rebate.It is wound with and encourages in every a pair of parallel stator poles
The coiling of magnetic winding (4), adjacent excitation winding (4) is contrary；Excitation winding (4) is located at the bottom of excitation slot.Each stator
The armature winding (3) of centralization is all wound on extremely, the coiling of adjacent armatures winding (3) is contrary；Armature winding (3), which is located at, encourages
The notch of magnetic slot and armature slot.Insulating barrier (6) are provided between armature winding (3) in excitation slot and excitation winding (4).Edge
The every two adjacent armature winding of circumferencial direction (3) series connection is a phase winding, and armature winding (3) is divided into six according to phase difference
Phase.Wherein differ the three-phase windings head and the tail series connection △ shape connection of 120 ° of electrical angles.
The extremely oblique pole structure of rotor.
Fig. 2 is a kind of double each coil vector star graphs of △ winding alternating current generator of the present invention.
Fig. 3 is a kind of double each phase winding vector star graphs of △ winding alternating current generator of the present invention.As shown, armature winding
(3) it is divided into six phase armature winding (3) of A, B, C, X, Y and Z according to phase difference, wherein A, B and C phase winding differ 120 ° of electric angles
Degree, A and X differ 30 ° of electrical angles.
Fig. 4 is a kind of double △ winding alternating current generator voltage regulator circuit figures of the present invention.As shown, 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 △ shape, two △ shapes connect
The winding connect differs 30 ° of electrical angles.Six phase windings connect six rectifier bridges respectively.
Fig. 5 is a kind of winding connection figure of double △ winding alternating current generators of the present invention.As shown, the parallel stator of every a pair
It is wound on extremely excitation winding (4), the coiling of adjacent excitation winding (4) is contrary, and excitation winding (4) is located at the bottom of excitation slot
Portion；The armature coil of centralization is wound in each stator poles, the coiling of adjacent armatures coil is contrary, armature winding (3)
Positioned at the notch of excitation slot and armature slot.
A kind of double △ winding alternator operation principles provided by the invention are as follows: excitation winding (4), which is powered, generates magnetic field,
Stator yoke Jing Guo each phase, stator teeth, air-gap, rotor teeth portion, rotor yoke are formed closed circuit by the magnetic flux of generation.
When applied mechanical power drive rotor rotates it by a direction, since the magnetic linkage of every phase armature winding (3) institute linkage occurs
Variation, winding will generate induced electromotive force, when winding is connect with external load, then electric power generation.Six phase windings of generator
Six rectifier bridges are connect respectively, convey direct current to load.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (3)
1. a kind of double △ winding alternating current generators, including stator core, rotor core, excitation winding, armature winding and axis, special
Sign is:
Double △ winding alternating current generators are inner rotor core, and rotor core is fixed on axis, have in rotor core 13
The male rotor pole of cloth；
The stator core has the stator poles of 12 convexs, 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 of every a pair of parallel stator poles, have excitation slot between adjacent two pairs parallel stator poles,
The excitation groove deep is greater than armature slot；
The excitation slot has circumferentially recessed recess in the bottom of slot, and excitation groove bottom width is made to be greater than width of rebate；
It is wound with excitation winding in every a pair of parallel stator poles, the coiling of adjacent excitation winding is contrary；Excitation winding, which is located at, encourages
The bottom of magnetic slot；
The armature coil of centralization is wound in each stator poles, the coiling of adjacent armatures coil is contrary；Armature coil position
In the notch of excitation slot and armature slot；
Along the circumferential direction every two adjacent armature coil series connection 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 △ shape.
2. a kind of double △ winding alternating current generators as described in claim 1, it is characterised in that: armature winding in excitation slot and
Insulating barrier is provided between excitation winding.
3. a kind of double △ winding alternating current generators as described in claim 1, it is characterised in that: the extremely oblique pole structure of rotor.
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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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| CN201710323837.3A CN106899159B (en) | 2017-05-10 | 2017-05-10 | A kind of double △ winding alternating current generators |
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| CN106899159B true CN106899159B (en) | 2019-04-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149798B (en) * | 2018-09-20 | 2020-12-15 | 山东理工大学 | Permanent magnet synchronous motor of wound stator core of electric automobile |
| CN110460218B (en) * | 2019-09-20 | 2021-03-09 | 哈尔滨工业大学 | Flywheel pulse generator system controlled by stator magnetic circuit |
| 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 |
| CN110912303B (en) * | 2019-12-12 | 2021-09-24 | 山东理工大学 | Starting generator of range extender of electric automobile |
| 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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|---|---|---|---|---|
| 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 |
-
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 |
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