CN102852714A - High-power wind power generating system - Google Patents
High-power wind power generating system Download PDFInfo
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- CN102852714A CN102852714A CN2011101842520A CN201110184252A CN102852714A CN 102852714 A CN102852714 A CN 102852714A CN 2011101842520 A CN2011101842520 A CN 2011101842520A CN 201110184252 A CN201110184252 A CN 201110184252A CN 102852714 A CN102852714 A CN 102852714A
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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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- 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
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The invention discloses a high-power wind power generating system which comprises a wind power generator, a zero-point switching circuit, an intelligent control system, a wind power generating transformer and a power utilization network. The wind power generating transformer is arranged in the zero-point switching circuit and used for voltage transformation of power generated from the wind power generator and then connecting the power to the power utilization network. The zero-point switching circuit is arranged between the wind power generator and the power utilization network. The intelligent control system is used for controlling the wind power generator to generate power according to control parameters. The wind power generator comprises an intelligent fuzzy controller, a PID(proportion, integration and differentiation) hydraulic valve, an air valve, a wind power sensor and a rotational speed sensor, the wind power sensor is connected with the intelligent fuzzy controller, the rotational speed sensor detects rotational speed of a generator rotor and connected with the intelligent fuzzy controller, and the intelligent fuzzy controller controls the PID hydraulic valve to regulate the air valve by analyzing data transmitted from the wind power sensor and the rotational speed sensor. The high-power wind power generating system can be connected to a power grid as a thermal power generation system, and is adaptable to severe environments.
Description
Technical field
The present invention relates to a kind of power generation system, espespecially a kind of high-power wind power generation system belongs to technical field of wind power generating equipment.
Background technique
Along with the development of society, people are increasing to the demand of the energy, and water can be developed totally substantially by people; And the resources such as oil, coal are non-renewable resources, and are just a little less with a bit, estimate after 100 years, and the resources such as oil, coal will run out of, and the burning of the resource such as oil, coal pollutes the environment; Thereby in recent years, people begin to seek new renewable energy sources, and wind energy is a kind of extraordinary renewable energy sources, and it is pollution-free.Wind-power electricity generation as power, drives the generator generating by wind; Big or small unstable because of wind-force caused frequency and the spread of voltage of generator, has very large defective as clean energy resource, and the rear quality that affects electrical network is incorporated into the power networks.
At present, all adopt high pressure vacuum to open circuit or the high pressure vacuum ac contactor since switch and to be incorporated into the power networks or from net, because high pressure vacuum opens circuit, the vacuum ac contactor all is the combination of machinery and electric control, the control time all calculates with S, and must control the zero point of detecting 50HZ in μ s level; Can't guarantee to switch at waveform pass zero point at all, as switching at the waveform peak, seriously cause distrubance source.Have a strong impact on the power quality that is incorporated into the power networks.Wind-force changes greatly, sometimes is incorporated into the power networks and frequently causes frequently wave distortion of electrical network.
In the existing wind-power generating system, without sampling, random generating, can't understand in real time the adaptive condition of whole system, can't control in real time, the situation of remote control, remote measurement waveform is adjusted in real time.
Wind-power electricity generation has following characteristics: the no-load transformer time is long, wind-power electricity generation generally has obvious seasonality, the annual load factor of transformer on average only has about 30%, wind-power electricity generation capital equipment cost of investment is high, the loss of requirement equipment is as far as possible low, overload time is short, and transformer for wind power generation service life is longer than general transformer; The transformer for wind power generation Environmental Conditions is abominable, requires the design transformer for wind power generation will consider the Electric Field Distribution of transformer, improves impact resistance.Thereby common transformer, be difficult to satisfy the needs of wind-power electricity generation, thereby in the urgent need to developing a kind of new transformer for wind power generation of satisfying the demand.
Existing wind-power generating system generally only has 2 or 3 megawatts, can not satisfy the needs of reality, and we have developed a kind of high-power wind power generation system; Its generated energy is more than 5 megawatts.
Summary of the invention
The present invention seeks to provide in order to overcome the deficiencies in the prior art a kind of high-power wind power generation system.
For achieving the above object, the technical solution used in the present invention is: a kind of high-power wind power generation system comprises wind-driven generator, zero point diverter circuit, intelligent control system, transformer for wind power generation, power utilization network; Described transformer for wind power generation is arranged in the diverter circuit at zero point, thereby is used for the electricity that wind-driven generator sends is carried out transformation also and power utilization network; Described zero point, diverter circuit was arranged between wind-driven generator and the power utilization network; Described intelligent control system is used for controlling wind-driven generator, and it is generated electricity according to the control parameter; Described wind-driven generator comprises intelligent fuzzy controller, PID hydrovalve, air door, wind sensor, speed probe; Described wind sensor links to each other with intelligent fuzzy controller; Described speed probe is surveyed the rotating speed of generator amature, and links to each other with intelligent fuzzy controller; Described intelligent fuzzy controller is regulated air door by analyzing the next described PID hydrovalve of numerical control of wind sensor and speed probe transmission; When wind-force is large, turn air door down; When wind-force hour, tune up air door; Reach the fluctuation of control rotor speed below 3%.
Preferably, described zero point diverter circuit with wind-driven generator, power utilization network between adopt the silicon control zero-cross trigger switch to realize being communicated with.
Preferably, described intelligent control system comprises electric power sampling analysis, DCS machine calculation machine, electric substation's regulating system; Described electric power sampling analysis one end links to each other with wind-driven generator, and the other end links to each other with the DCS computer; Described electric substation regulating system one end links to each other with the DCS computer, and the other end links to each other with wind-driven generator; The electricity that described wind-driven generator sends through electric power sampling analysis sampling analysis, is then passed to the DCS computer analyzing data; Described DCS computer is used for controlling electric substation's regulating system; New data are passed to wind-driven generator in the described electric substation regulating system, and described wind-driven generator resets the parameter generating.
Preferably, described transformer for wind power generation comprises epimere part, hypomere part, square ring; Described epimere partly is arranged on the top of hypomere part; Described square ring is arranged on the corner of epimere part, hypomere part; The close Bo of the magnetic of described transformer for wind power generation is the 15-16.5 kilogauss.
Preferably, described transformer for wind power generation, the high pressure side of described transformer for wind power generation adopts D to connect; The low voltage side of described transformer for wind power generation adopts yn to connect.
Because the utilization of technique scheme, the present invention compared with prior art has following advantages:
High-power wind power generation of the present invention system, rotary speed data by generator amature that wind-force data and wind-force are driven is transferred to intelligent fuzzy controller, calculated by intelligent fuzzy controller, then the Control PID hydrovalve is controlled the size of air door, make the alternator shaft fluctuation of speed below 3%, thus, wind turbine power generation of the present invention can equally with thermal power generation be incorporated into the power networks, without converter plant, there is not carrier frequency, lower greatly the interference setting of removing electrical network, accomplish that really wind-power electricity generation is as cleaner power sources; Reduced cost; Reduced rate of fault; Described zero point diverter circuit because the reaction time of silicon control zero-cross trigger switch is μ s level, circuit is very short switching time, and does not produce electric arc, guarantees to switch at zero point, and is very little to the interference of power supply, can avoid the wave distortion to the electricity consumption electrical network; Described intelligent control system can make the present invention have self-healing function, reaches unattended; Described transformer for wind power generation, open circuit loss requires low, and overload capacity is strong, is applicable to rugged environment.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Accompanying drawing 1 is the fundamental diagram of high-power wind power generation of the present invention system;
Accompanying drawing 2 is the fundamental diagram of high-power wind power generation systematic control air door of the present invention;
Accompanying drawing 3 is the schematic diagram of the diverter switch of traditional circuit;
Accompanying drawing 4 is diverter switch schematic diagram of the present invention;
Accompanying drawing 5 is the fundamental diagram of the intelligent control system of high-power wind power generation of the present invention system;
Accompanying drawing 6 is the schematic diagram of transformer for wind power generation of the present invention;
Accompanying drawing 7 is that the on high-tension side D of transformer for wind power generation of the present invention connects;
Accompanying drawing 8 is that the on high-tension side yn of transformer for wind power generation of the present invention connects;
Wherein: 1, wind-driven generator; 2, zero point diverter circuit; 3, power utilization network; 4, silicon control zero-cross trigger switch; 5, transformer for wind power generation; 51, epimere part; 52, hypomere part; 53, square ring.
Embodiment
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Of the present invention a kind of high-power wind power generation system shown in accompanying drawing 1-8 comprises wind-driven generator 1, zero point diverter circuit 2, intelligent control system, transformer for wind power generation 5, power utilization network 3; Described transformer for wind power generation 5 is arranged in the diverter circuit 2 at zero point, thus be used for the electricity that wind-driven generator 1 sends carry out transformation and with power utilization network 3; Described zero point, diverter circuit 2 was arranged between wind-driven generator 1 and the power utilization network 3; Described intelligent control system is used for controlling wind-driven generator 1, and it is generated electricity according to the control parameter; Described wind-driven generator 1 comprises intelligent fuzzy controller, PID hydrovalve, air door, wind sensor, speed probe; Described wind sensor links to each other with intelligent fuzzy controller; Described speed probe is surveyed the rotating speed of generator amature, and links to each other with intelligent fuzzy controller; Described intelligent fuzzy controller is regulated air door by analyzing the next described PID hydrovalve of numerical control of wind sensor and speed probe transmission; When wind-force is large, turn air door down; When wind-force hour, tune up air door; Reach the fluctuation of control rotor speed below 3%; Described zero point diverter circuit 2 with wind-driven generator 1, power utilization network 3 between adopt silicon control zero-cross trigger switch 4 to realize being communicated with; Described intelligent control system comprises electric power sampling analysis, DCS machine calculation machine, electric substation's regulating system; Described electric power sampling analysis one end links to each other with wind-driven generator, and the other end links to each other with the DCS computer; Described electric substation regulating system one end links to each other with the DCS computer, and the other end links to each other with wind-driven generator; The electricity that described wind-driven generator sends through electric power sampling analysis sampling analysis, is then passed to the DCS computer analyzing data; Described DCS computer is used for controlling electric substation's regulating system; New data are passed to wind-driven generator in the described electric substation regulating system, and described wind-driven generator resets the parameter generating; Described transformer for wind power generation 5 comprises epimere part 51, hypomere part 52, square ring 53; Described epimere part 51 is arranged on the top of hypomere part 52; Described square ring 53 is arranged on the corner of epimere part 51, hypomere part 52; The close Bo of the magnetic of described transformer for wind power generation 5 is the 15-16.5 kilogauss; Described transformer for wind power generation 5, the high pressure side of described transformer for wind power generation 5 adopt D to connect; The low voltage side of described transformer for wind power generation 5 adopts yn to connect.
Because the utilization of technique scheme, the present invention compared with prior art has following advantages:
High-power wind power generation of the present invention system, rotary speed data by generator amature that wind-force data and wind-force are driven is transferred to intelligent fuzzy controller, calculated by intelligent fuzzy controller, then the Control PID hydrovalve is controlled the size of air door, make the alternator shaft fluctuation of speed below 3%, thus, wind turbine power generation of the present invention can equally with thermal power generation be incorporated into the power networks, without converter plant, there is not carrier frequency, lower greatly the interference setting of removing electrical network, accomplish that really wind-power electricity generation is as cleaner power sources; Reduced cost; Reduced rate of fault; Described zero point diverter circuit because the reaction time of silicon control zero-cross trigger switch is μ s level, circuit is very short switching time, and does not produce electric arc, guarantees to switch at zero point, and is very little to the interference of power supply, can avoid the wave distortion to the electricity consumption electrical network; Described intelligent control system can make the present invention have self-healing function, reaches unattended; Described transformer for wind power generation, open circuit loss requires low, and overload capacity is strong, is applicable to rugged environment.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with technique can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. high-power wind power generation system is characterized in that: comprise wind-driven generator, zero point diverter circuit, intelligent control system, transformer for wind power generation, power utilization network; Described transformer for wind power generation is arranged in the diverter circuit at zero point, thereby is used for the electricity that wind-driven generator sends is carried out transformation also and power utilization network; Described zero point, diverter circuit was arranged between wind-driven generator and the power utilization network; Described intelligent control system is used for controlling wind-driven generator, and it is generated electricity according to the control parameter; Described wind-driven generator comprises intelligent fuzzy controller, PID hydrovalve, air door, wind sensor, speed probe; Described wind sensor links to each other with intelligent fuzzy controller; Described speed probe is surveyed the rotating speed of generator amature, and links to each other with intelligent fuzzy controller; Described intelligent fuzzy controller is regulated air door by analyzing the next described PID hydrovalve of numerical control of wind sensor and speed probe transmission; When wind-force is large, turn air door down; When wind-force hour, tune up air door; Reach the fluctuation of control rotor speed below 3%.
2. high-power wind power generation according to claim 1 system is characterized in that: described zero point diverter circuit with wind-driven generator, power utilization network between adopt the silicon control zero-cross trigger switch to realize being communicated with.
3. high-power wind power generation according to claim 1 system is characterized in that: described intelligent control system comprises the electric power sampling analysis, the DCS machine is calculated machine, electric substation's regulating system; Described electric power sampling analysis one end links to each other with wind-driven generator, and the other end links to each other with the DCS computer; Described electric substation regulating system one end links to each other with the DCS computer, and the other end links to each other with wind-driven generator; The electricity that described wind-driven generator sends through electric power sampling analysis sampling analysis, is then passed to the DCS computer analyzing data; Described DCS computer is used for controlling electric substation's regulating system; New data are passed to wind-driven generator in the described electric substation regulating system, and described wind-driven generator resets the parameter generating.
4. high-power wind power generation according to claim 1 system, it is characterized in that: described transformer for wind power generation comprises epimere part, hypomere part, square ring; Described epimere partly is arranged on the top of hypomere part; Described square ring is arranged on the corner of epimere part, hypomere part; The close Bo of the magnetic of described transformer for wind power generation is the 15-16.5 kilogauss.
5. high-power wind power generation according to claim 4 system, it is characterized in that: described transformer for wind power generation, the high pressure side of described transformer for wind power generation adopt D to connect; The low voltage side of described transformer for wind power generation adopts yn to connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101842520A CN102852714A (en) | 2011-07-01 | 2011-07-01 | High-power wind power generating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101842520A CN102852714A (en) | 2011-07-01 | 2011-07-01 | High-power wind power generating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881431A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Transformer for wind power generation |
| CN102878013A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Wind driven generator |
| CN102882222A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Zero switching circuit for wind power generation |
| CN103825298A (en) * | 2014-02-25 | 2014-05-28 | 河海大学 | Method for identifying constant-speed wind turbine generator driving system parameters |
| CN112555202A (en) * | 2020-11-27 | 2021-03-26 | 河北工业大学 | Hydraulic system control method based on parameter self-adaptation |
-
2011
- 2011-07-01 CN CN2011101842520A patent/CN102852714A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881431A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Transformer for wind power generation |
| CN102878013A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Wind driven generator |
| CN102882222A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Zero switching circuit for wind power generation |
| CN103825298A (en) * | 2014-02-25 | 2014-05-28 | 河海大学 | Method for identifying constant-speed wind turbine generator driving system parameters |
| CN103825298B (en) * | 2014-02-25 | 2016-03-16 | 河海大学 | A kind of constant speed Wind turbines drive system parameters discrimination method |
| CN112555202A (en) * | 2020-11-27 | 2021-03-26 | 河北工业大学 | Hydraulic system control method based on parameter self-adaptation |
| CN112555202B (en) * | 2020-11-27 | 2023-08-11 | 上海凯科疏水阀业有限公司 | Hydraulic system control method based on parameter self-adaption |
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