CN102758734A - Wind power generation system - Google Patents
Wind power generation system Download PDFInfo
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- CN102758734A CN102758734A CN2012102395035A CN201210239503A CN102758734A CN 102758734 A CN102758734 A CN 102758734A CN 2012102395035 A CN2012102395035 A CN 2012102395035A CN 201210239503 A CN201210239503 A CN 201210239503A CN 102758734 A CN102758734 A CN 102758734A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention relates to a wind power generation system. The wind power generation system comprises a wind wheel and a base plate, wherein the wind wheel is connected with a speed increaser; a servo driving system and a protective cover are fixed on the base plate; the speed increaser is connected with a preposed driving disc, and a preposed speed signal sampling device is arranged between the speed increaser and the preposed driving disc; the preposed driving disc is in non-contact connection with a preposed driven disc through magnetic force; the preposed driven disc is connected with a postpositional driving disc, and a preposed excitation winding and a postpositional excitation winding are sequentially arranged between the preposed driven disc and the postpositional driving disc; the postpositional driving disc is in non-contact connection with a postpositional driven disc through magnetic force; and the postpositional driven disc is connected with a generator, and a postposition degree signal sampling device is arranged between the postpositional driven disc and the generator. The wind power generation system has the beneficial effects that the structure is simple, safe and reliable; the high stability, low noise, constant frequency and constant voltage of an electric energy output process are realized; the service life of a wind generation set is prolonged by virtue of the magnetic force non-contact connections between the driving discs and the driven discs; and the maximization of electric energy production output is realized.
Description
Technical field
The invention belongs to the electric machinery field, relate in particular to a kind of wind-power generating system.
Background technique
Wind energy is a kind of reproducible clean energy resource.In the last thirty years, aspect the utilizing of wind energy, be that theoretical side or application study have all obtained major progress in the world, wind generating technology becomes better and approaching perfection day by day.China is one of main pusher of Asia wind energy industry development, and the development speed of wind generating technology and industry will obviously be accelerated.The development of 1.5～2.5MW, 2.5MW and above double-fed type speed changing and constant frequency wind-powered electricity generation unit is supported in development of " national science and technology supporting plan major project " high-power wind turbine unit and demonstration; 1.5 the development of～2.5MW, 2.5MW and above directly driving type variable speed constant frequency wind-powered electricity generation unit; The development of the above wind power generation unit blade of MW class, gear-box, double-fed type generator, direct-drive permanent-magnetism formula generator, double-fed type control system of wind turbines and current transformer, direct drive wind power unit control system and current transformer and relevant wind power technology Analysis on development etc.
In sum, outstanding explanation wind turbine generator maximum critical technical problems be how to realize constant frequency, constant voltage, generated energy is big, noise is low, safe, functional characteristics such as the life-span long, single degree electricity cost is low, is every industry scientific worker's the objective of the struggle.At present; China's grid type wind-powered electricity generation unit overwhelming majority is external unit; Wherein Denmark accounts for about 60%, Germany accounts for about 20%, homemadely only account for 10%, has developed type and has all belonged to and decide rotating speed stall control type wind energy conversion system, and variable speed constant frequency type wind energy conversion system is still in developmental research; Major technique walks to introduce digestion production domesticization road, and this proves absolutely that the wind power technology of China lags far behind some flourishing western countries.
The wind-powered electricity generation unit no matter require the wind energy conversion system wind speed how to change, always rotating speed keeps constant or is no more than a certain steady state value, has adopted speed governing or speed limiting device for this reason in running, be roughly three types from principle: one, depart from the wind direction overspeed protection; Two, utilize the aerodynamical resistance braking; Three, feather speed governing.
Summary of the invention
The purpose of this invention is to provide a kind of wind-power generating system; When wind speed changes; The rotating speed that assurance passes to synchronous generator does not change along with change of wind velocity, realizes constant frequency rate, the constand voltage of output electric energy, has solved the above-mentioned deficiency that exists in the existing technology.
The objective of the invention is to realize through following technological scheme:
A kind of wind-power generating system comprises wind wheel and chassis, and said wind wheel is connected with speed increaser; Be fixed with servo drive system on the said chassis; Said speed increaser inside is provided with and starts and braking device, and the output shaft of speed increaser is connected with preposition driving disc, and the preposition driving disc outside is provided with preposition driven disc; Preposition driven disc connects rearmounted driving disc; Be provided with preposition exciting winding and rearmounted exciting winding between said preposition driven disc and the rearmounted driving disc in order, be provided with rearmounted driven disc in the rearmounted driving disc, rearmounted driven disc is connected with generator.
Further, be provided with preposition rate signal sampler between said speed increaser and the preposition driving disc, be provided with rearmounted rate signal sampler between said rearmounted driven disc and the generator.
Further, said chassis surface is provided with protective housing.
Preferably, said wind wheel is connected with speed increaser through coupling, and said preposition driven disc is connected with rearmounted driving disc through elastic coupling flexible coupling.
Preferably, said preposition driving disc and preposition driven disc are connected driving through magnetic force is untouchable, and said rearmounted driving disc and rearmounted driven disc are connected driving through magnetic force is untouchable.
Beneficial effect of the present invention is: this apparatus structure is simple, and is safe and reliable; High stable, low noise, constant frequency rate, the constand voltage of electric energy output procedure have been realized; Driving disc is connected with the magnetic force between the driven disc is untouchable, has prolonged the working life of wind-powered electricity generation unit; Realized the maximization of generated energy output.
Description of drawings
According to accompanying drawing the present invention is done further explain below.
Fig. 1 is the described a kind of wind-power generating system structural representation of the embodiment of the invention;
Fig. 2 is the described a kind of wind-power generating system functional-block diagram of the embodiment of the invention.
Among the figure:
1, wind wheel; 2, chassis; 3, speed increaser; 4, servo drive system; 5, preposition driving disc; 6, preposition driven disc; 7, rearmounted driving disc; 8, rearmounted driven disc; 9, generator; 10, preposition rate signal sampler; 11, preposition exciting winding; 12, rearmounted exciting winding; 13, rearmounted rate signal sampler; 14, protective housing.
Embodiment
As shown in Figure 1, the described a kind of wind-power generating system of the embodiment of the invention comprises wind wheel 1 and chassis 2; Wind wheel 1 is connected with speed increaser 3 through coupling, is fixed with servo drive system 4 and protective housing 14 on the chassis 2, and speed increaser 3 inside are provided with and start and braking device; The output shaft of speed increaser 3 is connected with preposition driving disc 5; Be provided with preposition rate signal sampler 10 between speed increaser 3 and the preposition driving disc 5, preposition driving disc 5 is connected with preposition driven disc 6 through magnetic force is untouchable, and preposition driven disc 6 connects rearmounted driving disc 7 through elastic coupling flexible coupling; Be provided with preposition exciting winding 11 and rearmounted exciting winding 12 between preposition driven disc 6 and the rearmounted driving disc 7 in order; Rearmounted driving disc 7 is connected with rearmounted driven disc 8 through magnetic force is untouchable, and rearmounted driven disc 8 is connected with generating 9, is provided with rearmounted rate signal sampler 13 between rearmounted driven disc 8 and the generator 9; Through the untouchable connection of two-stage magnetic force, realize constant frequency rate, constand voltage generating.
When wind speed remains on a certain rating value, wind wheel 1 will keep the certain speed rotation along the plane perpendicular to wind direction, and speed increaser 3 is exported to the rotating speed of preposition driving disc 5 too at a certain rating value; At this moment by corresponding simulating amount signal of preposition rate signal sampler 10 outputs, we are made as u1, and analog amount speed and control unit are given in reverse feedback; Drive signal of output is given preposition exciting winding 11 after comparison, computing, amplification; Drive preposition driven disc 6 and rearmounted driving disc 7 by the rotation speed operation of setting, rearmounted driving disc 7 and rearmounted driven disc 8 are connected through magnetic force, at this moment; We give 12 1 definite value setting signals of rearmounted exciting winding; Drive rearmounted driven disc 8 and generator 9 work, corresponding simulating amount signal of rearmounted rate signal sampler 13 outputs, we are made as u2.
When wind speed changes; The speed of wind wheel 1 also will change; The rotating speed of speed increaser 3 output shafts also changes thereupon; At this moment the analog signals u1 that 10 outputs of preposition rate signal sampler are changes (increase or reduce), and reverse feedback gives corresponding drive signal of analog amount speed and control unit output (reduce or increase) to preposition exciting winding 11, to guarantee that preposition driven disc 6 is by the running that remains unchanged of former setting rotating speed; The rotating speed that guarantees back transmission system and generator 9 is constant, to realize constant speedpump, constant frequency rate, constand voltage generating.
When the load of generator 9 changes; Rotating speed moment of generator 9 will change; At this moment change by corresponding simulating amount signal u2 of rearmounted rate signal sampler 13 outputs (increase or reduce); Reverse feedback gives that reference speed is given gives rearmounted exciting winding 12 with corresponding drive signal of control unit output (reduce or increase), does not change along with the variation of load with the rotating speed that guarantees generator 9, generates electricity with realization constant speedpump, constant frequency rate, constand voltage.
As shown in Figure 2, the present invention also has unique startup and braking device, and it and speed increaser 3 are integral structure.When wind-force reached certain wind speed, wind-force Measurement and Control System output signal started wind power system automatically by setting the mode operation generating; When wind-force was not enough, the output of wind-force Measurement and Control System no signal can be closed wind power system automatically, also can set operation wind-powered electricity generation unit, but this moment wind-powered electricity generation unit operation decrease in efficiency, along with wind speed reduces and reduces, specifically look the load of electrical network and decide.The wind direction indication mechanism is the signal source of control servo drive system 4; It can accurately be caught the wind-force direction and drive wind power system with control servo drive system 4; Wind wheel 1 plane of rotation is always rotated perpendicular to wind speed direction down with the wind; Make the wind-powered electricity generation unit keep best wind energy utilization, to export maximum generated energy.Demonstration, operation control system, analog amount speed and control unit, the given control unit of reference speed is the heart of wind-powered electricity generation unit operation, it can accurately demonstrate each system running state of wind-powered electricity generation unit, Operational Limits, and can realize malfunction alarm and communication.
The present invention is not limited to above-mentioned preferred forms; Can not limit to the present invention with this; Other various forms of products that anyone draws under enlightenment of the present invention; No matter on its shape or structure, do any variation, every have identical with a application or akin technological scheme, all drops within protection scope of the present invention.
Claims (8)
1. wind-power generating system; Comprise wind wheel (1) and chassis (2); Said wind wheel (1) is connected with speed increaser (3), is fixed with servo drive system (4) on said chassis (2), it is characterized in that: said speed increaser (3) inside is provided with and starts and braking device; The output shaft of speed increaser (3) is connected with preposition driving disc (5); Preposition driving disc (5) outside is provided with preposition driven disc (6), and preposition driven disc (6) connects rearmounted driving disc (7), is provided with preposition exciting winding (11) and rearmounted exciting winding (12) between said preposition driven disc (6) and the rearmounted driving disc (7) in order; Be provided with rearmounted driven disc (8) in the rearmounted driving disc (7), rearmounted driven disc (8) connects generator (9).
2. wind-power generating system according to claim 1 is characterized in that: be provided with preposition rate signal sampler (10) between said speed increaser (3) and the preposition driving disc (5).
3. wind-power generating system according to claim 2 is characterized in that: be provided with rearmounted rate signal sampler (13) between said rearmounted driven disc (8) and the generator (9).
4. according to each described wind-power generating system of claim 1-3, it is characterized in that: surface, said chassis (2) is provided with protective housing (14).
5. wind-power generating system according to claim 1 is characterized in that: said wind wheel (1) is connected with speed increaser (3) through coupling.
6. wind-power generating system according to claim 1 is characterized in that: said preposition driven disc (6) is connected with rearmounted driving disc (7) through elastic coupling flexible coupling.
7. wind-power generating system according to claim 6 is characterized in that: said preposition driving disc (5) and preposition driven disc (6) are connected driving through magnetic force is untouchable.
8. wind-power generating system according to claim 7 is characterized in that: said rearmounted driving disc (7) and rearmounted driven disc (8) are connected driving through magnetic force is untouchable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210239503.5A CN102758734B (en) | 2012-07-11 | 2012-07-11 | Wind power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210239503.5A CN102758734B (en) | 2012-07-11 | 2012-07-11 | Wind power generation system |
Publications (2)
| Publication Number | Publication Date |
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| CN102758734A true CN102758734A (en) | 2012-10-31 |
| CN102758734B CN102758734B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210239503.5A Expired - Fee Related CN102758734B (en) | 2012-07-11 | 2012-07-11 | Wind power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116519A (en) * | 2021-04-26 | 2021-07-16 | 武汉联影智融医疗科技有限公司 | Force feedback main manipulator and puncture surgical robot system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4223815C2 (en) * | 1992-07-20 | 1994-05-11 | Gerd Schuesler | Magnetic gearbox |
| CN101725476A (en) * | 2008-10-28 | 2010-06-09 | 马杰 | Variable speed constant frequency permanent magnetic speed-adjusting wind power generator |
| CN101951073A (en) * | 2010-08-11 | 2011-01-19 | 秦皇岛市波达实业开发有限公司 | Small and medium size wind driven generator |
| CN202746100U (en) * | 2012-07-11 | 2013-02-20 | 朱长林 | Wind power generation system |
-
2012
- 2012-07-11 CN CN201210239503.5A patent/CN102758734B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4223815C2 (en) * | 1992-07-20 | 1994-05-11 | Gerd Schuesler | Magnetic gearbox |
| CN101725476A (en) * | 2008-10-28 | 2010-06-09 | 马杰 | Variable speed constant frequency permanent magnetic speed-adjusting wind power generator |
| CN101951073A (en) * | 2010-08-11 | 2011-01-19 | 秦皇岛市波达实业开发有限公司 | Small and medium size wind driven generator |
| CN202746100U (en) * | 2012-07-11 | 2013-02-20 | 朱长林 | Wind power generation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116519A (en) * | 2021-04-26 | 2021-07-16 | 武汉联影智融医疗科技有限公司 | Force feedback main manipulator and puncture surgical robot system |
| CN113116519B (en) * | 2021-04-26 | 2022-09-20 | 武汉联影智融医疗科技有限公司 | Force feedback main manipulator and puncture surgical robot system |
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| CN102758734B (en) | 2014-10-29 |
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