CN107070152A - A kind of five phase high reliability electric excitation generators - Google Patents
A kind of five phase high reliability electric excitation generators Download PDFInfo
- Publication number
- CN107070152A CN107070152A CN201710315567.1A CN201710315567A CN107070152A CN 107070152 A CN107070152 A CN 107070152A CN 201710315567 A CN201710315567 A CN 201710315567A CN 107070152 A CN107070152 A CN 107070152A
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- Prior art keywords
- stator poles
- groove
- parallel
- excitation
- high reliability
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
-
- 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
-
- 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
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- 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)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The present invention proposes a kind of five phases high reliability electric excitation generator, belongs to specific type of electric machine technical field, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and axle.The generator is inner rotor core, rotor core is fixed on axle, there is 18 uniform male rotor poles in rotor core, and stator core has the stator poles of 20 convexs, the center line that 20 stator poles can be divided into two stator poles in 10 pairs of parallel stator poles, a pair of parallel stator poles is parallel to each other.Having between two stator poles per a pair of parallel stator poles between armature slot, adjacent two pairs of parallel stator poles has excitation groove, and excitation groove has tangentially recessed depression in the bottom of groove, excitation groove bottom width is more than width of rebate.Insulating barrier is provided between armature winding and Exciting Windings for Transverse Differential Protection in excitation groove.The technology Exciting Windings for Transverse Differential Protection of the present invention is mutually isolated with armature winding, and uses five phase windings, even if there is system during open-phase fault to remain to maintain work, fault-tolerant ability is strong.
Description
Technical field
The present invention relates to a kind of five phases high reliability electric excitation generator, belong to specific type of electric machine technical field.
Background technology
Along with the development of Power Electronic Technique, the research and development of novel permanent magnetic material and insulating materials and modern control theory
With the application of the analysis tool such as finite element, the progress of modern age science and technology changes the looks and intension of conventional motors technology, electrical excitation
The novel electricity generators such as double-salient-pole generator are widely used in industrial circle.Electric excitation biconvex electrode electric machine is used as generator operation
When, control method is simple, without position sensor and controlled power converter, and regulation exciting current is that voltage regulation function can be achieved,
Disconnecting field power supply during failure can demagnetization.
The output voltage pulsation rate of multiphase generator is small, reduces the excessive caused rectifying component stream of phase current and asks
Topic, and with multiphase redundancy fault-tolerant ability, Aero-Space, automobile, wind-power electricity generation etc. are suitably applied to reliability, power supply matter
Amount requires high field.
In presently disclosed technology, only minority is related to the research of polyphase machine.In close patent, the patent No.
For 201410011535.9 patent of invention：A kind of four cross streams starter-generators of high reliability, the four of a kind of high reliability
Cross streams starter-generator, the invention mutually concentrates stator winding using four, and reliability is high；Using brush-less electrically exciting structure, have
Good voltage-regulation performance, is suitable for auto idle speed shutdown system and uses.Also Patent No.：201010290905.9
Patent of invention：A kind of polyphase machine, it is proposed that polyphase machine, with the annular stator around rotor, multiple electric windings are located at
In groove, to limit the magnetic pole peripherally separated.The invention can weaken driveline speed vibration, mitigate Vehicular vibration and noise.
There is the patent of invention that grant number is ZL2013100794514 in the Patents of double salient-pole electric machine：Each phase inductance
Symmetrical four phases doubly-salient brushless DC generator, four phase motors possess four phase stator winding, and the design of this number of phases redundancy causes
Four phase motors can further improve the reliability of motor, so that the software and hardware knot of electric car active reconfiguration system after a failure
Structure, in the case where not losing performance or only reduction partial properties index, makes system realize fault-tolerant operation.The patent proposes new
12/9 pole structure of type and each symmetrical new winding configuration mode.
On this basis, inventor conducts in-depth research to the number of poles and pole embrace of multiphase double salient-pole electric machine,
《Proceedings of the CSEE》Deliver 7th phase in 2015 that " multiphase Fielding-winding doubly salient generator number of poles is ground with pole embrace
Study carefully " scientific paper, it is indicated that the ratio between stator poles and rotor number of poles should be m/ (m+1) or m/ (m-1).
As prior art, traditional double-salient-pole generator back-emf harmonic content is higher, thus rectified voltage have compared with
Great fluctuation process and it is unfavorable for high-speed cruising, therefore is badly in need of a kind of low generator of back-emf harmonic content of research.
Based on this, the present invention proposes that a kind of motor of back-emf for sine wave, to reduce Commutation Torque Ripple, is provided simultaneously with
Polyphase windings are to improve the reliability of system.The ratio between original double salient-pole electric machine number of poles of technological break-through of the present invention should be m/ (m+
1) it is or the technical prejudice that m/ (m-1), therefore creative.
The content of the invention
Technical problem to be solved：There is provided a kind of armature winding and Exciting Windings for Transverse Differential Protection is mutually isolated, reliability is high one kind
Five phase high reliability electric excitation generators.
In order to realize function above, the present invention is adopted the technical scheme that：
A kind of five phase high reliability electric excitation generators, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and axle,
It is characterized in that：
The five phases high reliability electric excitation generator is inner rotor core, and rotor core is fixed on axle, had in rotor core
18 uniform male rotor poles；
The stator core has the stator poles of 20 convexs, and 20 stator poles can be divided into 10 pairs of parallel stator poles, a pair of parallel fixed
Son extremely on two stator poles center line it is parallel to each other；
Having between two stator poles per a pair of parallel stator poles between armature slot, adjacent two pairs of parallel stator poles has excitation groove,
The excitation groove deep is more than armature slot；
The excitation groove has tangentially 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, which is located at, encourages
The bottom of magnetic groove；
The armature winding of centralization is wound with each stator poles, the coiling of adjacent armatures winding is in opposite direction；Armature winding position
In excitation groove and the notch of armature slot.
A kind of five phases high reliability electric excitation generator as described above, it is characterised in that：Armature winding in excitation groove
Insulating barrier is provided between Exciting Windings for Transverse Differential Protection.
A kind of five phases high reliability electric excitation generator as described above, it is characterised in that：The extremely oblique pole structure of rotor.
A kind of five phases high reliability electric excitation generator as described above, it is characterised in that：Along the circumferential direction each two phase
Adjacent armature winding series connection is a phase armature winding, and armature winding is divided into five phases according to phase difference.
The beneficial effects of the invention are as follows：
1 uses five phase windings in the present invention, even if there is system during open-phase fault to remain to maintain work, fault-tolerant ability is strong；
2 windings are all centralized winding, and internal resistance is small, efficiency high；
3. Exciting Windings for Transverse Differential Protection and armature winding can be mutually isolated by insulating paper, it is to avoid the propagation of failure；
4 motor rotor constructions of the present invention are simple, high mechanical strength, are adapted to motor and rotate at a high speed；
The total magnetic linkage of 5 motors is shorter, and silicon steel sheet magnetic resistance is small, and iron loss is few.
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 five phases high reliability electric excitation generator structural representation of the present invention.Wherein, 1, stator core, 2, rotor
Iron core, 3, Exciting Windings for Transverse Differential Protection, 4, armature winding, 5, axle, 6, insulating barrier.
Fig. 2 is a kind of each coil vector star graph of five phases high reliability electric excitation generator of the present invention.
Fig. 3 is a kind of each phase winding vector star graph of five phases high reliability electric excitation generator of the present invention.
Fig. 4 is a kind of five phases high reliability electric excitation generator winding line graph of the present invention.Wherein, 1, stator core, 2,
Rotor core, 3, Exciting Windings for Transverse Differential Protection, 4, armature winding, 5, axle.
Fig. 5 is a kind of phase induced potential figure of five phases high reliability electric excitation generator one of the present invention.
Embodiment
The present invention provides a kind of five phases high reliability electric excitation generator, 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 explain the present invention, is not intended to limit the present invention.
Fig. 1 is a kind of five phases high reliability electric excitation generator structural representation of the present invention.As illustrated, one kind five is mutually high
Reliability electric excitation generator, including stator core (1), rotor core (2), Exciting Windings for Transverse Differential Protection (3), armature winding (4), axle (5)
With insulating barrier (6).The five phases high reliability electric excitation generator is inner rotor core, and rotor core (2) is fixed on axle (5)
On, there are 18 uniform male rotor poles in rotor core (2).
The stator core (1) has the stator poles of 20 convexs, and 20 stator poles can be divided into 10 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
There is excitation groove between pivot groove, adjacent two pairs of parallel stator poles, the excitation groove deep is more than armature slot.Excitation groove is in the bottom of groove
There is tangentially recessed depression, excitation groove bottom width is more than width of rebate.Per be wound with a pair of parallel stator poles excitation around
Group (3), the coiling of adjacent Exciting Windings for Transverse Differential Protection (3) is in opposite direction, and Exciting Windings for Transverse Differential Protection (3) is located at the bottom of excitation groove.In each stator poles
The armature winding (4) of centralization is all wound with, the coiling of adjacent armatures winding (4) is in opposite direction, and armature winding (4) is located at excitation groove
With the notch of armature slot.Insulating barrier (6) is provided between armature winding (4) and Exciting Windings for Transverse Differential Protection (3) in excitation groove.
The extremely oblique pole structure of rotor.
Fig. 2 is a kind of each coil vector star graph of five phases high reliability electric excitation generator of the present invention.
Fig. 3 is a kind of each phase winding vector star graph of five phases high reliability electric excitation generator of the present invention.
Fig. 4 is a kind of five phases high reliability electric excitation generator winding line graph of the present invention.As illustrated, per a pair of parallel
Exciting Windings for Transverse Differential Protection (3) is wound with stator poles, the coiling of adjacent Exciting Windings for Transverse Differential Protection (3) is in opposite direction, and Exciting Windings for Transverse Differential Protection (3) is located at excitation groove
Bottom.The armature winding (4) of centralization is wound with each stator poles, the coiling of adjacent armatures winding (4) is in opposite direction, armature
Winding (4) is located at the notch of excitation groove and armature slot.The along the circumferential direction adjacent armature winding of each two (4) series connection is mutually electric for one
Pivot winding, armature winding (4) is divided into five phases according to phase difference.
Fig. 5 is a kind of phase induced potential figure of five phases high reliability electric excitation generator one of the present invention.It can be seen that this is mutually felt
It is in sinusoidal to answer potential.
The explanation of principle is operated to a kind of five phases high reliability electric excitation generator proposed by the present invention below.
The Exciting Windings for Transverse Differential Protection (3) positioned at excitation trench bottom, which is powered, in the present invention produces magnetic field, and the magnetic flux of generation will be by each
The stator yoke of phase, stator teeth, air-gap, rotor teeth portion, rotor yoke formation closed-loop path.Prime mover drives this motor to press
When certain orientation rotates, the magnetic linkage of five phase armature winding (4) linkages changes as rotor-position changes, and intersects so as to produce five
The induced potential of change.When it is as dc generator, supplied with external converter or rectifier bridge rectification DC power output
Various electrical loads charge to battery.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (4)
1. a kind of five phases high reliability electric excitation generator, including stator core, rotor core, Exciting Windings for Transverse Differential Protection, armature winding and
Axle, it is characterised in that：
The five phases high reliability electric excitation generator is inner rotor core, and rotor core is fixed on axle, had in rotor core
18 uniform male rotor poles；
The stator core has the stator poles of 20 convexs, and 20 stator poles are divided into 10 pairs of parallel stator poles, a pair of parallel stator
The center line of two stator poles on extremely is parallel to each other；
Having between two stator poles per a pair of parallel stator poles between armature slot, adjacent two pairs of parallel stator poles has excitation groove,
The excitation groove deep is more than armature slot；
The excitation groove has tangentially 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, which is located at, encourages
The bottom of magnetic groove；
The armature winding of centralization is wound with each stator poles, the coiling of adjacent armatures winding is in opposite direction；Armature winding position
In excitation groove and the notch of armature slot.
2. a kind of five phases high reliability electric excitation generator as claimed in claim 1, it is characterised in that：Armature in excitation groove
Insulating barrier is provided between winding and Exciting Windings for Transverse Differential Protection.
3. a kind of five phases high reliability electric excitation generator as claimed in claim 1, it is characterised in that：The extremely oblique pole knot of rotor
Structure.
4. a kind of five phases high reliability electric excitation generator as claimed in claim 1, it is characterised in that：Along the circumferential direction every two
Individual adjacent armature winding series connection is a phase armature winding, and armature winding is divided into five phases according to phase difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315567.1A CN107070152A (en) | 2017-05-08 | 2017-05-08 | A kind of five phase high reliability electric excitation generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315567.1A CN107070152A (en) | 2017-05-08 | 2017-05-08 | A kind of five phase high reliability electric excitation generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070152A true CN107070152A (en) | 2017-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315567.1A Pending CN107070152A (en) | 2017-05-08 | 2017-05-08 | A kind of five phase high reliability electric excitation generators |
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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 |
| CN110071614A (en) * | 2019-05-24 | 2019-07-30 | 浙江大学 | A kind of double-fed electric excitation synchronous motor |
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | The five fault-tolerant electric excitation biconvex electrode electric machines of phase 5N/4N Polar armature excitation distributing |
| CN110417137A (en) * | 2019-07-31 | 2019-11-05 | 上海电力大学 | The five isolated fault-tolerant electric excitation biconvex electrode electric machines of phase 5N/4N Polar armature |
| 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 |
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| CN103187846A (en) * | 2013-03-13 | 2013-07-03 | 南京航空航天大学 | Four-phase and double-salient brushless direct current motor with symmetrical phase inductances |
| CN103580418A (en) * | 2012-07-30 | 2014-02-12 | 英泰集团有限公司 | Range-extending electric generator structure for range-extending type electric automobile |
| CN104218763A (en) * | 2014-07-08 | 2014-12-17 | 哈尔滨工业大学 | Multi-phase reluctance machine |
| CN104821668A (en) * | 2015-04-29 | 2015-08-05 | 江苏大学 | Novel stator permanent magnet type motor |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
| CN106602829A (en) * | 2017-01-14 | 2017-04-26 | 山东理工大学 | Five-phase strong fault-tolerant permanent magnet motor for automobile |
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2017
- 2017-05-08 CN CN201710315567.1A patent/CN107070152A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103580418A (en) * | 2012-07-30 | 2014-02-12 | 英泰集团有限公司 | Range-extending electric generator structure for range-extending type electric automobile |
| CN103187846A (en) * | 2013-03-13 | 2013-07-03 | 南京航空航天大学 | Four-phase and double-salient brushless direct current motor with symmetrical phase inductances |
| CN104218763A (en) * | 2014-07-08 | 2014-12-17 | 哈尔滨工业大学 | Multi-phase reluctance machine |
| CN104821668A (en) * | 2015-04-29 | 2015-08-05 | 江苏大学 | Novel stator permanent magnet type motor |
| CN106549543A (en) * | 2017-01-14 | 2017-03-29 | 山东理工大学 | Automobile engine directly drives five phase electric excitation generators |
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Cited By (6)
| 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 |
| CN110071614A (en) * | 2019-05-24 | 2019-07-30 | 浙江大学 | A kind of double-fed electric excitation synchronous motor |
| CN110071614B (en) * | 2019-05-24 | 2021-02-09 | 浙江大学 | Double-fed type electro-magnetic synchronous motor |
| CN110323853A (en) * | 2019-07-31 | 2019-10-11 | 上海电力大学 | The five fault-tolerant electric excitation biconvex electrode electric machines of phase 5N/4N Polar armature excitation distributing |
| CN110417137A (en) * | 2019-07-31 | 2019-11-05 | 上海电力大学 | The five isolated fault-tolerant electric excitation biconvex electrode electric machines of phase 5N/4N Polar armature |
| 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 |
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Application publication date: 20170818 |
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