CN207910568U - Threephase generator and electricity generation system - Google Patents
Threephase generator and electricity generation system Download PDFInfo
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- CN207910568U CN207910568U CN201820217893.9U CN201820217893U CN207910568U CN 207910568 U CN207910568 U CN 207910568U CN 201820217893 U CN201820217893 U CN 201820217893U CN 207910568 U CN207910568 U CN 207910568U
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- 230000005611 electricity Effects 0.000 title claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 125
- 210000004899 c-terminal region Anatomy 0.000 claims description 17
- 238000010248 power generation Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
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Abstract
The utility model discloses threephase generator and electricity generation systems, are related to electrical generator fields.The utility model provides a kind of threephase generator, including rotor, stator and coil, stator is set to internal rotor, and rotor energy relative stator rotates, it is provided with 2 poles N permanent magnets and 2 poles S permanent magnets on the internal perisporium of rotor, and 2 poles N permanent magnets and 2 poles S permanent magnets interlock spaced set, and 30 winding slots are provided on the outside of stator, 30 winding slot spaced sets, coil are set around on stator by part winding slot and form the stator winding of three-phase 120 ° of electrical angles each other.A kind of electricity generation system, which employs above-mentioned threephase generators.Threephase generator provided by the utility model and electricity generation system can improve axial ventilation heat dissipation by the winding slot of non-winding coil, reduce Wen Sheng, and ensure that the power of electric power generation.
Description
Technical field
The utility model is related to electrical generator fields, in particular to threephase generator and electricity generation system.
Background technology
In the age of energy shortages, electric energy is that nowadays using most energy, the generation for electric energy is also for society
There are many kinds of method.Wherein just there is the generation that electric energy is realized by threephase generator.
In the prior art, generator easily generates heat in power generation process so that the Wen Sheng of threephase generator quickly,
Three phase electric machine will be increased to very high temperature within the extremely short time, and be always maintained in hot operation state so that three-phase
The service life of motor reduces, and the excessively high decrease of power generation that can lead to motor of temperature, and what it is for energy shortages is now
The problem of needing urgent processing.
Utility model content
The purpose of this utility model is to provide a kind of threephase generators, can improve axial ventilation heat dissipation, reduce temperature
It rises, and ensure that the efficiency of threephase generator power generation.
The another object of the utility model is to provide a kind of electricity generation system, can improve axial ventilation heat dissipation, reduce
Wen Sheng, and ensure that the efficiency of electricity generation system power generation.
The utility model provides a kind of technical solution：
A kind of threephase generator, including rotor, stator and coil, the stator are set to the internal rotor, and institute
State rotor can the relatively described stator rotation, be provided with 2 poles N permanent magnets and 2 poles S permanent magnets on the internal perisporium of the rotor,
And 2 poles N permanent magnets and 2 poles S permanent magnets interlock spaced set, are provided with 30 winding slots on the outside of the stator, and 30
A winding slot spaced set, the coil are set around on the stator by the part winding slot and form three-phase each other
The stator winding of 120 ° of electrical angles.
Further, stator winding described in every phase includes multiple coils, and multiple coils are connected in series with, Mei Gesuo
It states coil and is set around the stator by being separated by 2 winding slots of 4 winding slots.
Further, stator winding described in every phase includes 8 coils, and stator winding described in three-phase is set around 26 institutes
State winding slot.
Further, wherein rotating around setting, there are one the coils in 4 winding slots.
Further, multiple coils in the first stator winding are rotating around set on the first slot and the 6th slot, third slot and
Eight slots, the 15th slot and the tenth slot, the 14th slot and the 9th slot, the 17th slot and the 22nd slot, the 19th slot and the 20th
Four slots, the first slot and the 26th slot and the 30th slot and the 25th slot.
Multiple coils in second stator winding are rotating around set on the 6th slot and the 11st slot, the 8th slot and the 13rd
Slot, the 21st slot and the 16th slot, the 20th slot and the 15th slot, the 19th slot and the 14th slot, the 22nd slot and
27 slots, the 24th slot and the 29th slot and the 5th slot and the 30th slot.
Multiple coils in third stator winding are rotating around set on the 11st slot and the 16th slot, the 13rd slot and
18 slots, the 26th slot and the 21st slot, the 25th slot and the 20th slot, the 27th slot and the second slot, the 20th
Nine slots and the 4th slot, the tenth slot and the 5th slot and the 9th slot and the 4th slot.
Wherein, 30 winding slots are labeled as first slot to the 30th slot successively, three stators around
Group is respectively labeled as first stator winding, second stator winding and the third stator winding, and described first
The both ends of stator winding are labeled as the ends A and the ends X, and the both ends of second stator winding are labeled as the ends B and the ends Y, and the third is fixed
The both ends of sub- winding are labeled as C-terminal and the ends Z.
Further, the ends X, the ends Y and the ends Z are connected with each other, the ends A, the ends B and the C-terminal point
Electric energy Yong Yu not exported.
Further, the ends X, the ends Y and the ends Z are connected with each other and are drawn for exporting electric energy.
Further, the ends A are connected to the ends Z, and the C-terminal is connected to the ends Y, and the ends B are connected to the X
End, and the ends A and the ends B are respectively used to output electric energy.
Further, the C-terminal draws and is used to export electric energy.
A kind of electricity generation system, including threephase generator.The threephase generator includes rotor, stator and coil, described fixed
Son is set to the internal rotor, and the rotor can the relatively described stator rotation, be provided with 2 on the internal perisporium of the rotor
A poles N permanent magnet and 2 poles S permanent magnets, and 2 poles N permanent magnets and 2 poles S permanent magnets interlock spaced set, it is described fixed
Sub- outside is provided with 30 winding slots, 30 winding slot spaced sets, and the coil is set around by the part winding slot
On the stator and form the stator winding of three-phase 120 ° of electrical angles each other.
Compared with prior art, the advantageous effect of threephase generator provided by the utility model and electricity generation system is：
Threephase generator provided by the utility model is inner stator outer-rotor structure, and by the internal perisporium of rotor
2 poles N permanent magnets and 2 poles S permanent magnets are set, and 2 poles N permanent magnets and 2 poles S permanent magnets are staggered.Stator
Offer 30 winding slots on lateral wall, coil is determined for 120 ° each other by part winding slot around being located on stator and form three-phase
Sub- winding.That is, not having winding coil in wherein having the winding slot of part, can pass through the winding slot of non-winding coil improves three-phase hair
The axial heat dissipation of motor, reduces Wen Sheng, and can guarantee the generating efficiency of threephase generator.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the stator winding sections winding mode that the first embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram for the phase three-wire three star connection that the first embodiment of the utility model provides；
Fig. 3 is the structural schematic diagram for the three-phase and four-line connection that the first embodiment of the utility model provides；
Fig. 4 is the structural schematic diagram for the single-phase connection of triangle that the first embodiment of the utility model provides；
Fig. 5 is the delta-connected structural schematic diagram that the first embodiment of the utility model provides.
Icon：100- winding slots；200- stator winding；210- coils.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be understood that term "upper", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connects；It can be mechanical connection, can also be electrical connection；Can be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
First embodiment
The unusual maturation that existing threephase generator the relevant technologies have developed, but existing threephase generator is still
There is the defects easily generated heat, and threephase generator temperature after a period of time that works can become high in the extreme, extremely
The generating efficiency for influencing threephase generator, and at the same time also reducing the service life of threephase generator.
A kind of threephase generator (not shown) is provided in the present embodiment, can be improved axial ventilation heat dissipation, be reduced temperature
It rises, and ensure that the efficiency of threephase generator power generation.
Wherein, threephase generator includes stator (not shown), rotor (not shown) and coil 210.Stator is set to rotor
Inside, and rotor can use the set-up mode of inner stator outer rotor in the present embodiment relative to stator rotation.Rotor
Internal perisporium on be provided with 2 poles N permanent magnets and 2 poles S permanent magnets, and 2 poles N permanent magnets and 2 poles S permanent magnets interlock
Setting, so that internal rotor can form metastable magnetic field.Offered on the outside of stator 30 winding slots 100,30 around
100 spaced set of wire casing.Coil 210 is in 120 ° of electric angles around being located on stator and form three by part winding slot 100
The stator winding 200 of degree.
When the rotor is turning, the permanent magnet rotating on rotor banding turn can be formed by the permanent magnet of rotation and be rotated
Magnetic field, the multiple coils 210 being set around on stator then do cutting magnetic induction line action in rotating excitation field, with the shape in coil 210
At induced current, induced current can be exported by stator winding 200, realize the generating function of threephase generator.
Coil 210 is set around by part winding slot 100 on stator so that part winding slot 100 on stator not around
If coil 210, it can be radiated to threephase generator by the winding slot 100 of no winding coil 210, improve threephase generator
Axis heat-sinking capability drops low-temperature-rise, has ensured that three-phase generation function works under temperature environment appropriate, improves generating efficiency,
Extend the service life of threephase generator.
It please refers to Fig.1, wherein include multiple coils 210 per phase stator winding 200, multiple coils 210 are connected in series with, and
And each coil 210 is set around stator by 2 winding slots 100 of a 4 winding slots 100 of picture, that is, exists in a coil 210
It can be across 4 winding slots 100 when being set around 2 winding slots 100.In the present embodiment, include 8 lines per phase stator winding 200
Circle 210, threephase stator winding 200 have 24 coils 210 in total.It is fixed that 24 coils 210 are set around by 26 winding slots 100
On son, i.e., wherein 4 slots do not have winding coil 210, can be sent out to three-phase by this 4 winding slots 100 without winding coil 210
Motor radiating improves the heat-sinking capability of threephase generator axial direction, reduces Wen Sheng, can improve the power generation effect of threephase generator
Rate, and extend the service life of threephase generator.
Further, winding is distinguished in wherein 4 winding slots 100 in 26 winding slots 100 for being arranged with coil 210
There are one coils 210, i.e., in this 4 winding slots 100, only there are one 210 windings of coil respectively wherein.This 4 winding slots
100 can also provide certain axial heat-sinking capability simultaneously, further increase the axis heat-sinking capability of threephase generator, ensure three-phase
Power generation function works in temperature environment appropriate, improves generating efficiency and extends the service life of threephase generator.
In the present embodiment, 30 winding slots 100 are labeled as the first slot to the 30th slot successively, correspond to the label in figure
1~30.Also, threephase stator winding 200 is respectively labeled as the first stator winding (figure is not marked), the second stator winding (not shown)
With third stator winding (not shown), the both ends of the first stator winding are respectively labeled as the ends A and the ends X, and the two of the second stator winding
End is respectively labeled as the ends B and the ends Y, and the both ends of third stator winding are respectively labeled as C-terminal and the ends Z.It should be noted that wherein A
End, the ends B, C-terminal, the ends X, the ends Y and the ends Z are that stator winding 200 is drawn for connecting other stator winding 200 or for defeated
Go out electric energy.
Wherein, 8 coils 210 in the first stator winding are rotating around set on the first slot and the 6th slot, third slot and the 8th
Slot, the 15th slot and the tenth slot, the 14th slot and the 9th slot, the 17th slot and the 22nd slot, the 19th slot and the 24th
Slot, the first slot and the 26th slot and the 30th slot and the 25th slot, and 8 coils 210 are sequentially connected in series.It should manage
Solution, the first stator winding can be laid out in multiple winding slots 100 by a conducting wire, i.e., conducting wire successively pass through the first slot,
6th slot, third slot, the 8th slot, the 15th slot, the tenth slot, the 14th slot, the 9th slot, the 17th slot, the 22nd slot, the tenth
Nine slots, the 24th slot, the first slot, the 26th slot, the 30th slot and the 25th slot, should be around to form the first stator winding
Line mode can also regard 8 coils 210 as and be sequentially connected in series.
In addition, 8 coils 210 in the second stator winding are rotating around set on the 6th slot and the 11st slot, the 8th slot and
13 slots, the 21st slot and the 16th slot, the 20th slot and the 15th slot, the 19th slot and the 14th slot, the 22nd slot
With the 27th slot, the 24th slot and the 29th slot and the 5th slot and the 30th slot, and 8 coils 210 are gone here and there successively
Connection.Similarly, the winding mode of the second stator winding can also be laid out by a conducting wire in multiple winding slots 100, i.e. conducting wire
Pass through the 6th slot, the 11st slot, the 8th slot, the 13rd slot, the 21st slot, the 16th slot, the 20th slot, the 15th successively
Slot, the 19th slot, the 14th slot, the 22nd slot, the 27th slot, the 24th slot, the 29th slot, the 5th slot and third
To form the second stator winding, which can also regard 8 coils 210 as and be sequentially connected in series ten slots.
Similarly, 8 coils 210 in third stator winding are rotating around set on the 11st slot and the 16th slot, the 13rd slot
With the 18th slot, the 26th slot and the 21st slot, the 25th slot and the 20th slot, the 27th slot and the second slot,
29 slots and the 4th slot, the tenth slot and the 5th slot and the 9th slot and the 4th slot, and 8 coils 210 are sequentially connected in series.Together
Reason, the winding mode of third stator winding can also be laid out by a conducting wire in multiple winding slots 100, i.e., conducting wire passes through successively
Cross the 11st slot, the 16th slot, the 13rd slot, the 18th slot, the 26th slot, the 21st slot, the 25th slot, the 20th
Slot, the 27th slot, the second slot, the 29th slot, the 4th slot, the tenth slot, the 5th slot, the 9th slot and the 4th slot are to form third
Stator winding, the winding mode can also regard 8 coils 210 as and be sequentially connected in series.
It should be noted that in the present embodiment, not having in the 7th slot, the 12nd slot, the 23rd slot, the 28th slot
Winding coil 210, there are one coils 210 for winding in the second slot, third slot, the 17th slot and the 18th slot.
And by this winding mode, when testing harmonic content, overtone order is respectively 1,3,5,7,9,11,13,
15, in 17,19,21,23,25,27,29 test result harmonic content be respectively 1,0,0,0.0048,0,0.0083,
0.0014,0,0.0008,0.0028,0,0.00045,0,0,0.0012, total harmonic distortion is less than 1%.
In addition, the connection type of threephase stator winding 200 can be phase three-wire three star connection, three-phase and four-line connection, triangle
Connection or the single-phase connection of triangle.
Wherein, such as Fig. 2, the mode of connection of phase three-wire three star connection is as follows, and the ends X, the ends Y are connected with the ends Z, the ends A, the ends B and C-terminal
It is used to output electric energy.
The mode of connection such as Fig. 3, three-phase and four-line connection is as follows, and the ends A, the ends B and C-terminal are used to output electric energy, while the ends X, Y
End connects with the ends Z and draws for exporting electric energy.
The mode of connection such as Fig. 4, the single-phase connection of triangle is as follows, and the ends A are connected to the ends Z, and the ends B are connected to the ends X, and C-terminal is connected to Y
End, and side a and b is respectively used to output electric energy.It should be appreciated that can also be the ends A and C-terminal is respectively used to output electric energy, or
The ends person B and C-terminal are respectively used to output electric energy.
Such as Fig. 5, the delta-connected mode of connection is as follows, and the ends A are connected to the ends Z, and the ends B are connected to the ends X, and C-terminal is connected to the ends Y,
And the ends A, the ends B and C-terminal are used to output electric energy.
The threephase generator provided in the present embodiment passes through the internal perisporium in rotor by inner stator outer-rotor structure
2 poles N permanent magnets of upper setting and 2 poles S permanent magnets, and 2 poles N permanent magnets and 2 poles S permanent magnets are staggered.Stator
Lateral wall on offer 30 winding slots 100, coil 210 is by part winding slot 100 around being located on stator and form three-phase
120 ° of stator winding 200 each other.That is, not having winding coil 210 in wherein having the winding slot 100 of part, non-winding can be passed through
The winding slot 100 of coil 210 improves the axial heat dissipation of threephase generator, reduces Wen Sheng, and can guarantee the hair of threephase generator
Electrical efficiency.Also, can reach can not only be connect with star, a variety of connections such as connection delta, but also phase voltage harmonic content can be provided and be less than 1%
The target of sine power supply.
Second embodiment
A kind of electricity generation system is provided in the present embodiment, can be improved axial ventilation heat dissipation, be reduced Wen Sheng, and ensure that
The efficiency of threephase generator power generation.Wherein, which uses the threephase generator provided in first embodiment.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of threephase generator, which is characterized in that including rotor, stator and coil, the stator is set in the rotor
Portion, and the rotor can the relatively described stator rotation, be provided with 2 poles N permanent magnets and 2 S on the internal perisporium of the rotor
Pole permanent magnet, and 2 poles N permanent magnets and 2 poles S permanent magnets interlock spaced set, and 30 are provided on the outside of the stator
Winding slot, 30 winding slot spaced sets, the coil are set around on the stator and are formed by the part winding slot
The stator winding of three-phase 120 ° of electrical angles each other.
2. threephase generator according to claim 1, which is characterized in that stator winding includes multiple lines described in per phase
Circle, multiple coils are connected in series with, and each coil passes through 2 that the are separated by 4 winding slots winding slot windings
In the stator.
3. threephase generator according to claim 2, which is characterized in that stator winding described in per phase includes 8 coils, and
And stator winding described in three-phase is set around 26 winding slots.
4. threephase generator according to claim 3, which is characterized in that in wherein 4 winding slots rotating around equipped with
One coil.
5. according to the threephase generator described in any one of claim 2-4, which is characterized in that more in the first stator winding
A coil is rotating around set on the first slot and the 6th slot, third slot and the 8th slot, the 15th slot and the tenth slot, the 14th slot and the 9th
Slot, the 17th slot and the 22nd slot, the 19th slot and the 24th slot, the first slot and the 26th slot and the 30th slot and
25th slot；
Multiple coils in second stator winding rotating around set on the 6th slot and the 11st slot, the 8th slot and the 13rd slot,
21st slot and the 16th slot, the 20th slot and the 15th slot, the 19th slot and the 14th slot, the 22nd slot and the 20th
Seven slots, the 24th slot and the 29th slot and the 5th slot and the 30th slot；
Multiple coils in third stator winding are rotating around set on the 11st slot and the 16th slot, the 13rd slot and the 18th
Slot, the 26th slot and the 21st slot, the 25th slot and the 20th slot, the 27th slot and the second slot, the 29th slot
With the 4th slot, the tenth slot and the 5th slot and the 9th slot and the 4th slot；
Wherein, 30 winding slots are labeled as first slot to the 30th slot, three stator winding point successively
Biao Ji be the first stator winding, second stator winding and the third stator winding, and first stator
The both ends of winding are labeled as the ends A and the ends X, and the both ends of second stator winding are labeled as the ends B and the ends Y, the third stator around
The both ends of group are labeled as C-terminal and the ends Z.
6. threephase generator according to claim 5, which is characterized in that the ends X, the ends Y are mutually interconnected with the ends Z
It connects, the ends A, the ends B and the C-terminal are respectively used to output electric energy.
7. threephase generator according to claim 6, which is characterized in that the ends X, the ends Y are mutually interconnected with the ends Z
It connects and draws for exporting electric energy.
8. threephase generator according to claim 5, which is characterized in that the ends A are connected to the ends Z, and the C-terminal connects
The ends Y are connected to, the ends B are connected to the ends X, and the ends A and the ends B are respectively used to output electric energy.
9. threephase generator according to claim 8, which is characterized in that the C-terminal draws and is used to export electric energy.
10. a kind of electricity generation system, which is characterized in that include the threephase generator as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217893.9U CN207910568U (en) | 2018-02-07 | 2018-02-07 | Threephase generator and electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217893.9U CN207910568U (en) | 2018-02-07 | 2018-02-07 | Threephase generator and electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910568U true CN207910568U (en) | 2018-09-25 |
Family
ID=63563624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820217893.9U Withdrawn - After Issue CN207910568U (en) | 2018-02-07 | 2018-02-07 | Threephase generator and electricity generation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207910568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110929A (en) * | 2018-02-07 | 2018-06-01 | 江西清华泰豪三波电机有限公司 | Threephase generator and electricity generation system |
-
2018
- 2018-02-07 CN CN201820217893.9U patent/CN207910568U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110929A (en) * | 2018-02-07 | 2018-06-01 | 江西清华泰豪三波电机有限公司 | Threephase generator and electricity generation system |
| CN108110929B (en) * | 2018-02-07 | 2024-09-24 | 江西清华泰豪三波电机有限公司 | Three-phase generator and power generation system |
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