CN109167499A - A kind of New single-phase synchronous generator and three-phase synchronous generator - Google Patents
A kind of New single-phase synchronous generator and three-phase synchronous generator Download PDFInfo
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- CN109167499A CN109167499A CN201811077612.5A CN201811077612A CN109167499A CN 109167499 A CN109167499 A CN 109167499A CN 201811077612 A CN201811077612 A CN 201811077612A CN 109167499 A CN109167499 A CN 109167499A
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- rotor
- phase synchronous
- synchronous generator
- stator core
- generator
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- 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
- H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
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- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of New single-phase synchronous generator and three-phase synchronous generators, single phase synchronous generator includes: stator core and its centralized winding, rotor and its magnetic pole, and the air gap between stator core, rotor, centralized winding is set on any position of stator core main magnetic circuit, it is provided with rotor and corresponding air gap on the main magnetic circuit of stator core, at least a pair of of magnetic pole is provided on each rotor；Under prime mover driven, rotor magnetic pole rotation, by electromagnetic induction, the AC energy that voltage levels are generated on centralized winding realizes the remote transmission of electric energy by ultra-high-tension power transmission line.Three-phase synchronous generator is made of 3 single phase synchronous generators, and the rotor of 3 single phase synchronous generators is in same shaft, 120 ° of magnetic field mutual deviation of electrical angle of three rotors.The present invention saves investment and O&M expense by changing the structure of generator, saves resource, while reducing failure rate and loss, it is high-power to realize super-pressure.
Description
Technical field
The present invention relates to synchronous generator field, more particularly to a kind of novel high-power single phase synchronous generator,
And three-phase synchronous generator.
Background technique
Currently, the high-power generator of electric system is mainly synchronous generator, general 100,000 kilowatts to hundred of single-machine capacity
Ten thousand kilowatts, several kilovolts to tens kilovolts of voltage.Its principle is: the rotor high speed rotation of prime mover drawing generator, on rotor
Stationary magnetic field successively cuts the three-phase symmetrical distribution winding in generator stator core and issues three phase sine alternating current, stator
Winding is generally connected into star-like, outside circuit output threephase AC electric energy.Due to the end voltage relatively high pressure transmission line of electricity of generator
For it is relatively low, therefore generator add step-up transformer be combined into hair power transformation dominant form.
There are following technological deficiencies for this mainstream forms of electricity generation:
1) because being limited by stator distribution winding and insulation system, the started voltage of generator is generally tens kilovolts
It is special.Voltage class is low, electric current is big, it is big so as to cause conductor cross-section, cause that loss is big, calorific value is big, and radiate and become main
Problem.
2) conventional electric generators stator winding can generate the loss late of certain harmonic wave and induced potential.
3) because generator electricity pressure grade is low, cannot direct long-distance sand transport electric energy, can only be again by holding on an equal basis
The step-up transformer of amount boosts to higher voltage grade and enters power transmission network.
Therefore, generator+step-up transformer " transformer unit conjunction " becomes substantially stationary mode, but the two is added together and makes
Valence is high, maintenance is big, it is more to occupy resource；And the multiple conversion of the energy, transition loss are big, waste of energy and fund.
Summary of the invention
The present invention provides a kind of novel super-pressure high-power single-phase synchronous generators and three-phase synchronous generator, originally
Invention saves investment and O&M expense by changing the structure of generator, saves resource, while reducing failure rate and loss,
It is high-power to realize super-pressure, described below:
A kind of New single-phase synchronous generator, comprising: stator core and its centralized winding, rotor and its magnetic pole, and
Air gap between stator core, rotor is set with centralized winding on any position of stator core main magnetic circuit, in stator iron
It is provided with rotor and corresponding air gap on the main magnetic circuit of the heart, at least a pair of of magnetic pole is provided on each rotor；
Under prime mover driven, rotor magnetic pole rotation by electromagnetic induction, generates voltage levels on centralized winding
AC energy the remote transmission of electric energy is realized by ultra-high-tension power transmission line.
Further, the magnetic field of the rotor is to be distributed along air gap by sinusoidal waveform.It is described centralization winding quantity be
At least one.The quantity of the rotor is at least one.
Another embodiment, a kind of novel three-phase synchronous generator, the three-phase synchronous generator are generated electricity by 3 phase synchronizations
Machine composition, the rotor of 3 single phase synchronous generators is in same shaft, 120 ° of magnetic field mutual deviation of electrical angle of three rotors.
The beneficial effect of the technical scheme provided by the present invention is that:
1, the present invention is directly rotated by rotor field, by electromagnetic induction, is produced on the centralized winding of stator core
AC energy, can be delivered directly on high-tension line, eliminate the boosting in traditional structure by the alternating current of raw voltage levels
Transformer；
2, the present invention uses the structure of generator and step-up transformer one, and consumed electromagnetic material total amount is less than " hair
The summation of change combination ", reduces the overall cost of generator；
3, The present invention reduces electric energy conversion bring loss, operation expense is reduced, simultaneously because eliminating liter
Pressure transformer then reduces the occupied space and area of entire generator, simplifies the device layout in power plant, has better
Economy.
Detailed description of the invention
Fig. 1 is a kind of main view of novel super-pressure high-power single-phase synchronous generator；
Fig. 2 is a kind of structural schematic diagram of novel super-pressure high-power three-phase synchronous generator.
In attached drawing, parts list represented by the reference numerals are as follows:
1: stator core；2: centralized winding；
3: rotor；4: excitation system；
5: shaft；A, B, C: generator.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention is made below further
Ground detailed description.
Embodiment 1
The embodiment of the invention provides a kind of novel super-pressure high-power single-phase synchronous generators, and referring to Fig. 1, this is single-phase
The design principle of synchronous generator is as follows:
The single phase synchronous generator of design of the embodiment of the present invention only relies on prime mover dragging rotor 3 and rotates, the magnetic on rotor 3
Field rotates with, and by electromagnetic induction, the alternating current of voltage levels is generated on the centralized winding 2 of stator core 1, then
By the alternating current of voltage levels by being transported on corresponding high-tension line at a distance.
When specific implementation, by stator core 1 (being at this time both the iron core of generator core and step-up transformer), concentrate
Formula winding 2 (being at this time both the winding of generator windings and step-up transformer)；I.e. step-up transformer and alternating current generator share
Component stator core 1 and centralized winding 2, eliminate the step-up transformer in traditional design by above-mentioned design.
Wherein, the embodiment of the present invention to the coil number on centralized winding 2 with no restrictions, the number of turns is more, the electricity of alternating current
Pressure is higher, and specific the number of turns, which can be designed and be run according to the route in practical application, to be needed be adjusted.
In conclusion to devise a kind of generator, step-up transformer synchronous in the New single-phase of one for the embodiment of the present invention
Electric generator structure, electromagnetic material total amount consumed by the New single-phase synchronous generator is less than generator+step-up transformer " hair
Become combination ", to save construction cost and resource, simultaneously because saving part of devices, reduce the failure rate of generator
And loss, realize high-power.
Embodiment 2
The scheme in embodiment 1 is further introduced below with reference to Fig. 1, described below:
Referring to Fig. 1, the novel super-pressure high-power single-phase synchronous generator include: stator core 1, centralized winding 2,
And rotor 3,
Several centralized windings (i.e. coil) 2, centralized winding 2 can be set with along 1 any position of stator core
Between can according to need serial or parallel connection, and draw two ends；Several have also can be set on the magnetic circuit of stator core 1
Rotor 3 and corresponding air gap (professional technicality of this field, the embodiment of the present invention do not repeat them here this), on each rotor 3
It is provided at least a pair of of magnetic pole (i.e. the pole NS), the location of each magnetic pole does not require that identical (more rotor structures are very in fact
It less can be for realizing).Stator core 1 constitutes complete main magnetic circuit with rotor 3 and air gap.
Said stator iron core 1 is the magnetic circuit with closure, and the embodiment of the present invention does not limit the shape of stator core 1
System, is only illustrated by taking the shape in Fig. 1 as an example, preferably facilitates the centralized shape of winding 2 of installation and the material of stator core 1
Material and lamination will be conducive to magnetic conduction.
In the circular closed magnetic circuit space of stator core 1, such as: it is provided with and turns in the border circular areas space in Fig. 1
Son 3 is constant magnetic field on rotor 3, can be provided by permanent-magnet material, is also possible to the DC excitation magnetic field (ginseng convenient for adjusting
See Fig. 2, exciting current can be provided by excitation system 4).The quantity of rotor 3 can be multiple, i.e. may include multiple circles in Fig. 1
Shape regional space, according to setting, each rotor magnetic pole position is not necessarily in corresponding same position.
Preferably, the magnetic field of rotor 3 can be designed to be distributed along air gap by sinusoidal waveform, when rotor 3 only has a pair of of magnetic pole
When, NS extremely respectively accounts for half circular arc and is sinusoidally distributed；When two pairs of magnetic poles, NS extremely respectively accounts for a quarter, and polarity is handed over
For distribution, and so on, the embodiment of the present invention does not repeat them here this.
When specific implementation, the embodiment of the present invention to the quantity of the quantity of winding and rotor 3 with no restrictions, can basis
Set in practical application.
But when concrete application, when the quantity of centralized winding 2 is multiple, need correctly to connect out coil end to end, example
Such as: in Fig. 1, being in series with 2 groups of centralization windings, one group is A1X1, another group is A2X2。A1、A2It is head end, X1、X2It is tail
End, concatenated the number of turns is more, and voltage is higher.
When practical application, it is also possible to 2 groups of centralization windings 2 and is connected in parallel, insulate by using reasonable manner, is arranged
Two ends.The number of turns can also be designed to multiple taps and tap switch, convenient for needing the circle to coil according to practical application operation
Number is adjusted, and realizes pressure regulation.The embodiment of the present invention is only illustrated by taking the series connection of the centralized winding 2 in Fig. 1 as an example,
It is without limitation.
When practical application, rotor 3 is operated by prime mover dragging, and the shape of rotor 3 can be salient pole type, be also possible to
Hidden pole type, can be the electromagnet pole of DC excitation, need to be provided simultaneously with corresponding excitation system 4 in such cases；It can also
To be permanent magnet pole, the embodiment of the present invention is without limitation.
Embodiment 3
The application of the single phase synchronous generator in Examples 1 and 2 is further introduced below with reference to Fig. 2, is detailed in
It is described below:
Referring to fig. 2, which is made of the single phase synchronous generator designed in 3 embodiments 1 or 2, respectively A, B and
3 concentrations of C, 3 single phase synchronous generators A, the B and C in combination at three-phase synchronous generator, in the three-phase synchronous generator
The lead-out wire of formula winding 2 can connect into star or triangle.
3 single phase synchronous generators A, B and C and excitation system 4 operate in the drive shaft of prime mover 5 (to be sent out
In the same drive shaft 5,3 rotors 3 at this time constitute one big corresponding 3 rotors 3 of motor A, B and C again
Rotor), each 3 excitation of rotor of supply after the alternating current that excitation system 4 exports is rectified, locating for each single phase synchronous generator
Rotor 3 120 ° of magnetic field mutual of phase difference, to send out the AC energy of three-phase symmetrical.
Referring to fig. 2, the embodiment of the present invention to the structure of excitation system 4 with no restrictions, any prior art can be used,
It can also be using new technologies such as rotation transducers.After meeting installation and operation condition, void dimension is the smaller the better, and the present invention is implemented
Example is without limitation.
Embodiment 4
Referring to Fig. 1 and Fig. 2, the voltage class in the embodiment of the present invention, which can according to need, carries out centralized winding 2
Design, can be high or low.The number of turns can also design multiple taps and tap switch, convenient for being needed according to practical application operation to coil
The number of turns is adjusted, and realizes pressure regulation.
When specific implementation, the outstanding innovative and unique of the technical program cannot be influenced with the variation of complementary structure
Property.Complementary structure can be with are as follows: insulation system, core-lamination stack shape, radiating mode, winding connection for specifically using etc. are no
It is limited to existing a variety of materials and technology, including amorphous alloy, nanometer and permanent magnet, superconductor technology application etc..
When practical application, generator runing adjustment technology has the dual characteristics of generator and transformer, it may have novel
Generator own characteristic；Generator has the necessary auxiliary devices such as heat dissipation, insulation, fastening folder, shell.
The embodiment of the present invention to the model of each device in addition to doing specified otherwise, the model of other devices with no restrictions,
As long as the device of above-mentioned function can be completed.
It will be appreciated by those skilled in the art that attached drawing is the schematic diagram of a preferred embodiment, the embodiments of the present invention
Serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of New single-phase synchronous generator, comprising: stator core and its centralized winding, rotor and its magnetic pole, Yi Jiding
Air gap between sub- iron core, rotor, which is characterized in that
It is set with centralized winding on any position of stator core main magnetic circuit, is provided with and turns on the main magnetic circuit of stator core
Sub and corresponding air gap is provided at least a pair of of magnetic pole on each rotor；
Under prime mover driven, rotor magnetic pole rotation generates the friendship of voltage levels by electromagnetic induction on centralized winding
Galvanic electricity energy realizes the remote transmission of electric energy by ultra-high-tension power transmission line.
2. a kind of New single-phase synchronous generator according to claim 1, which is characterized in that the magnetic field of the rotor is edge
Air gap is distributed by sinusoidal waveform.
3. a kind of New single-phase synchronous generator according to claim 1, which is characterized in that the number of the centralization winding
Amount is at least one.
4. a kind of New single-phase synchronous generator according to claim 1, which is characterized in that the quantity of the rotor is extremely
It is one few.
5. a kind of novel three-phase synchronous generator, which is characterized in that the three-phase synchronous generator is by any in claim 1-4
The composition of single phase synchronous generator described in claim, in same shaft, three turn the rotor of 3 single phase synchronous generators
120 ° of magnetic field mutual deviation of electrical angle of son.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077612.5A CN109167499A (en) | 2018-09-15 | 2018-09-15 | A kind of New single-phase synchronous generator and three-phase synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077612.5A CN109167499A (en) | 2018-09-15 | 2018-09-15 | A kind of New single-phase synchronous generator and three-phase synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109167499A true CN109167499A (en) | 2019-01-08 |
Family
ID=64879166
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811077612.5A Pending CN109167499A (en) | 2018-09-15 | 2018-09-15 | A kind of New single-phase synchronous generator and three-phase synchronous generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492711A (en) * | 2019-08-12 | 2019-11-22 | 贵州航天林泉电机有限公司 | A kind of flat structure finite angle motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07264821A (en) * | 1994-03-17 | 1995-10-13 | Satake Eng Co Ltd | Brushless 3-phase ac generator |
| CN1870385A (en) * | 2006-06-26 | 2006-11-29 | 沈阳工业大学 | Mixing excitation permanent magnetic synchro generator |
| CN203445712U (en) * | 2013-06-25 | 2014-02-19 | 李培塘 | Transformer-type alternating-current generator |
| CN208835972U (en) * | 2018-09-15 | 2019-05-07 | 天津大学 | A kind of New single-phase synchronous generator and three-phase synchronous generator |
-
2018
- 2018-09-15 CN CN201811077612.5A patent/CN109167499A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07264821A (en) * | 1994-03-17 | 1995-10-13 | Satake Eng Co Ltd | Brushless 3-phase ac generator |
| CN1870385A (en) * | 2006-06-26 | 2006-11-29 | 沈阳工业大学 | Mixing excitation permanent magnetic synchro generator |
| CN203445712U (en) * | 2013-06-25 | 2014-02-19 | 李培塘 | Transformer-type alternating-current generator |
| CN208835972U (en) * | 2018-09-15 | 2019-05-07 | 天津大学 | A kind of New single-phase synchronous generator and three-phase synchronous generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492711A (en) * | 2019-08-12 | 2019-11-22 | 贵州航天林泉电机有限公司 | A kind of flat structure finite angle motor |
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