CN107762732B - A kind of device improved for large scale wind power machine flexible blade aeroperformance - Google Patents
A kind of device improved for large scale wind power machine flexible blade aeroperformance Download PDFInfo
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- CN107762732B CN107762732B CN201711014293.9A CN201711014293A CN107762732B CN 107762732 B CN107762732 B CN 107762732B CN 201711014293 A CN201711014293 A CN 201711014293A CN 107762732 B CN107762732 B CN 107762732B
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- 230000004044 response Effects 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000010354 integration Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000006872 improvement Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 7
- 238000012552 review Methods 0.000 claims description 6
- 230000002411 adverse Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000005669 field effect Effects 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0296—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
-
- 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
Abstract
The present invention relates to a kind of devices improved for large scale wind power machine flexible blade aeroperformance, including blade aero-elastic response monitoring system, data integration processing system, blade steering system, additional mass adjustment system and swirl generating system.Wherein blade aero-elastic response monitoring system is made of monitoring intelligent control unit, data acquisition unit, sensor, data integration processing system is made of response converter, vibration modal identification device, directive generation module, blade steering system is formed by controlling and receiving device, pose adjustment module, mechanical-stretching arm, fixing bolt, additional mass adjustment system is formed by controlling and receiving device, header tank, water-supply-pipe, flow control valve, and vortex generator is by eddy generator, tandem bolt, rail row device.This method is suitable for wind energy conversion system safe design field, and the gas bullet phenomenon that ultra-large type wind energy conversion system flexible blade occurs in flow field can be effectively suppressed, and guarantees safe operation of the wind energy conversion system under all kinds of natural flow field effects.
Description
Technical field
The present invention relates to Wind Engineering technical fields, and in particular to one kind changes for large scale wind power machine flexible blade aeroperformance
Kind device.
Background technique
In recent years, the increasingly raising with China to clean energy resource demand, wind energy conversion system design-build technology are continuously improved,
Output power is also constantly increasing, from the 5~6MW of initial 1.5MW by now, or even the following 10MW wind that may be come into operation
Power machine.The raising of wind energy conversion system output power, so that its blade radius of gyration extends to present 90m, blade from 30m in the early time
Increasingly softization.In the process, the wind sensibility of blade further enhances, and fluid structurecoupling occurs between flow field and structure blade
Frequency gradually rises, blade static(al) torsional buckling, wave, be shimmy, the unfavorable gas bullet phenomenon such as torsional oscillation becomes increasingly conspicuous, this will be very big
The safety of wind energy conversion system operation is influenced in degree.
Blade aerodynamic improves device, is a kind of by the real-time recording responses information of monitoring system, and pass through data integration mould
Block realizes the intelligence system of blade wind dynamic control, is chiefly used in ultra-large type wind energy conversion system, waves to control blade, shimmy, torsional oscillation etc.
Unfavorable gas bullet phenomenon, and realize wind field data collection.Existing wind dynamic control equipment, is chiefly used in Longspan Bridge engineering, and more
Based on passive Mechanical course measure and aerodynamic Measures, that is, passes through central slot, adds the measures controls such as deflector, setting damper
The wind field of bridge subsection or sunpender processed responds, and the variation of the Wind parameters in wind such as the wind angle of attack, yaw angle can not be actively adapted to, for super large
The aerodynamic response of type wind energy conversion system flexible blade, the present invention propose that one kind can active control a variety of blade aerodynamic response, in real time records
The pneumatic improvement device of data.
Summary of the invention
The purpose of the invention is to inhibit the incident unfavorable gas bullet phenomenon of ultra-large type wind energy conversion system flexible blade, and provide
One kind it is easy to assembly, improve device suitable for multiclass wind field operating condition, the horizontal high aeroperformance of operation automation.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of device for large scale wind power machine blade aerodynamic performance improvement, including blade aero-elastic response monitor system, number
According to integrated processing system, blade steering system, additional mass adjustment system and five part of swirl generating system.
The blade aero-elastic response monitoring system is made of monitoring intelligent control unit, data acquisition unit, sensor.Institute
State the data acquisition that monitoring intelligent control unit completes respective sensor to control data acquisition unit, comprising: blade strain,
Structural stress, speed, acceleration, displacement, deflection angle, and have data communication function.
The data integration processing system is generated by response converter, review contrast module, vibration modal identification device, instruction
Module composition.Blade measured displacements data are converted into blade Plane of rotation intrinsic displacement and perpendicular to leaf by the response converter
The displacement of piece Plane of rotation；The review contrast module is based on different moments surveyed deflection angle, calculates blade displacement numerical value, with real
Measured data comparison, to guarantee the reliability of aero-elastic response monitoring system；The vibration modal identification device to count according to response
It is judged that blade gas bullet form, such as: waving, shimmy or torsional oscillation, and judge whether blade is in the unfavorable form such as flutter；The finger
It enables generation module according to vibration modal identification device and blade safety limit, is based on the angle of attack and Rigidity Calculation module, generates all kinds of machines
Tool control instruction reaches blade steering system, additional mass adjustment system and swirl generating system.
The blade steering system is formed by controlling and receiving device, mechanical steering arm, circumferential bolt, posture collector.It is described
It controls and receives device and controls mechanical steering to receive data transmitted by directive generation module, and according to initial blade position data
Arm, to restore the initial angle of attack of blade, mechanical steering arm middle section is made of steering bearing and detent damping unit；The circumferential direction spiral shell
Bolt connects to solid mechanical steering arm lower end and the rigid of wind energy conversion system main structure；The posture collector is to feed back real-time adjustment
As a result；To obtain adjustment effect and make next successive step evaluation.
The additional mass adjustment system is formed by controlling and receiving device, header tank, water-supply-pipe, flow control valve.The control
Receiver processed controls header tank, to infuse into blade cavity by water-supply-pipe to receive data transmitted by directive generation module
Water；The flow control valve is cut down blade gas sticking position and is moved for controlling loading velocity to increase blade aerodynamic rigidity.
The vortex generator is by eddy generator, tandem bolt, rail row device.The eddy generator induces whirlpool to generate,
Realize the flow separation resisted under adverse pressure gradient, the momentum between high energy fluid in boundary layer outside low energy fluid and mainstream
Exchange；The tandem bolt is to fixed eddy generator group；The rail row device is to control eddy generator in blade different location
Movement.
Compared with prior art, the invention has the following advantages that
The present invention is suitable for ultra-large type wind energy conversion system flexible blade, and device is comprehensive, parameter can be shown controllably, and operation can autonomous intelligence
Or wireless remote control, be conducive to the normal operation of wind energy conversion system facility；Its data control system may be implemented Full Parameterized and actively adapt to
Design.
Detailed description of the invention
Fig. 1 is total system logical construction schematic diagram of the present invention.
Fig. 2 is the brief layout drawing of blade.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of device for large scale wind power machine blade aerodynamic performance improvement, structural block diagram of the invention is as shown in Figure 1, packet
Include blade aero-elastic response monitoring system, data integration processing system, blade steering system, additional mass adjustment system and vortex hair
Raw system:
The blade aero-elastic response monitoring system is by monitoring intelligent control unit 1, data acquisition unit 2,3 groups of sensor
At；The monitoring intelligent control unit 1, to control data acquisition；The sensor 3 is answered for measuring pneumatic equipment bladess
Power, strain, speed, acceleration, deflection angle, displacement information；The data acquisition unit 2 is that data matched with sensor 3 are adopted
Collect equipment.
The data integration processing system is by response converter 4, review contrast module 5, vibration modal identification device 6, instruction
Generation module 7 forms, response converter 4 by blade measured displacements data, be converted into blade Plane of rotation intrinsic displacement and perpendicular to
The displacement of blade Plane of rotation；It checks contrast module 5 and is based on different moments surveyed deflection angle, calculate blade displacement numerical value, with real
Measured data comparison, to guarantee the reliability of aero-elastic response monitoring system；Vibration modal identification device is sentenced to data according to response
Disconnected blade gas bullet form, such as: waving, shimmy or torsional oscillation, and judge whether blade is in the unfavorable form such as flutter；Instruction generates mould
Block 7 is based on the angle of attack and Rigidity Calculation module, generates all kinds of Mechanical courses and refer to according to vibration modal identification device and blade safety limit
Order reaches blade steering system, additional mass adjustment system and swirl generating system.
The blade steering system is by controlling and receiving device 8, mechanical steering arm 9, circumferential bolt 10,11 groups of posture collector
At controlling and receiving device 8 to receive data transmitted by directive generation module, and turn according to the control of initial blade position data is mechanical
To arm, to restore the initial angle of attack of blade, mechanical steering arm middle section damps 13 devices by steering bearing 12 and detent and forms；It is circumferential
Bolt 10 connects to solid mechanical steering arm lower end and the rigid of wind energy conversion system main structure；Posture collector 11 is to feed back real-time tune
Whole result；To obtain adjustment effect and make next successive step evaluation.
The additional mass adjustment system is by controlling and receiving device 14, header tank 15, water-supply-pipe 16,17 groups of flow control valve
At controlling and receiving device 14 to receive data transmitted by directive generation module, header tank 15 controlled, to pass through into blade cavity
Water-supply-pipe 16 fills the water, and flow control valve 17 is for controlling loading velocity, to increase blade aerodynamic rigidity to cut down blade gas bullet
Displacement.
The vortex generator is by eddy generator 18, tandem bolt 19, rail row device 20.Eddy generator 18 is to generate induction
The flow separation resisted under adverse pressure gradient is realized in whirlpool, between the high energy fluid in boundary layer outside low energy fluid and mainstream
Momentum-exchange；Tandem bolt 19 is to fixed eddy generator group；Rail row device 20 is to control eddy generator in blade different location
Movement.
It is controlled by intelligence system, which can be effectively reduced the wind vibration response of flexible blade, and according to real time data,
Obtain influence and wind load performance variation law that blade flow field develops.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, any ripe
Professional and technical personnel is known, without departing from the scope of the present invention, according to the technical essence of the invention, to the above reality
Any simple modifications, equivalent substitutions and improvements etc. made by example are applied, it is fallen within the scope of protection of the technical scheme of the present invention
It is interior.
Claims (8)
1. a kind of device for large scale wind power machine blade aerodynamic performance improvement, which is characterized in that supervised including blade aero-elastic response
Examining system, data integration processing system, blade steering system, additional mass adjustment system and five part of swirl generating system,
In:
The blade aero-elastic response monitoring system is used to obtain the measured data of blade load and wind field response message；
The data integration processing system is used to handle measured data expansion, blade vibration mode is analyzed, according to blade knot
Structure safety limit, output safety control instruction are to the blade steering system, additional mass adjustment system and vortex
System；
The blade steering system is for controlling blade incoming flow wind angle, to avoid least favorable wind angle of attack operating condition；
The additional mass adjustment system controls vibration strains energy, inhibits blade tip vibration for increasing blade stiffness；
The swirl generating system is for generating induction whirlpool, to resist the flow separation under adverse pressure gradient.
2. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, which is characterized in that
The blade aero-elastic response monitoring system is made of monitoring intelligent control unit, data acquisition unit, sensor；The monitoring intelligence
It can control the data acquisition that unit completes respective sensor to control data acquisition unit, comprising: blade strain, structure are answered
Power, speed, acceleration, displacement, deflection angle, and have data communication function.
3. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, which is characterized in that
The data integration processing system is by response converter, review contrast module, vibration modal identification device, directive generation module group
At；The response converter is by blade measured displacements data conversion at blade Plane of rotation intrinsic displacement and perpendicular to blade rotary flat
The displacement in face；The review contrast module is based on different moments surveyed deflection angle, blade displacement numerical value is calculated, with measured data pair
Than to guarantee the reliability of aero-elastic response monitoring system；The vibration modal identification device judges leaf to data according to response
Piece gas bullet form, and judge whether blade is in the unfavorable form of flutter；Described instruction generation module is according to vibration modal identification device
With blade safety limit, it is based on the angle of attack and Rigidity Calculation module, the instruction of all kinds of Mechanical courses is generated and reaches blade steering system, attached
Add Mass adjust- ment system and swirl generating system.
4. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, which is characterized in that
The blade steering system is formed by controlling and receiving device, mechanical steering arm, circumferential bolt, posture collector, described to control and receive
Device controls mechanical steering arm to receive data transmitted by directive generation module, and according to initial blade position data, to extensive
The middle section of the initial angle of attack of compound leaf piece, the mechanical steering arm is made of steering bearing and detent damping unit；The circumferential direction bolt
It is connect to solid mechanical steering arm lower end and the rigid of wind energy conversion system main structure；The posture collector is to feed back adjustment knot in real time
Fruit；To obtain adjustment effect and make next successive step evaluation.
5. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, which is characterized in that
The additional mass adjustment system is formed by controlling and receiving device, header tank, water-supply-pipe, flow control valve；It is described to control and receive device
To receive data transmitted by directive generation module, header tank is controlled, to fill the water into blade cavity by water-supply-pipe；The stream
Control valve is cut down blade gas sticking position and is moved for controlling loading velocity to increase blade aerodynamic rigidity.
6. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 1, which is characterized in that
The vortex generator is by eddy generator, tandem bolt, rail row device；The eddy generator is realized and is resisted to generate induction whirlpool
Flow separation under adverse pressure gradient, the momentum-exchange between high energy fluid in boundary layer outside low energy fluid and mainstream；Institute
Tandem bolt is stated to fixed eddy generator group；The rail row device is to control eddy generator in the movement of blade different location.
7. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 3, which is characterized in that
Real-time monitoring may be implemented based on the conversion between deflection angle and displacement in the review contrast module of the data integration processing system
The normal operation of system.
8. a kind of device for large scale wind power machine blade aerodynamic performance improvement according to claim 5, which is characterized in that
The additional mass adjustment system can be responded according to blade vibration, blade aerodynamic rigidity be controlled using water body, to cut down leaf
Piece wind vibration response.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711014293.9A CN107762732B (en) | 2017-10-25 | 2017-10-25 | A kind of device improved for large scale wind power machine flexible blade aeroperformance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711014293.9A CN107762732B (en) | 2017-10-25 | 2017-10-25 | A kind of device improved for large scale wind power machine flexible blade aeroperformance |
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| Publication Number | Publication Date |
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| CN107762732A CN107762732A (en) | 2018-03-06 |
| CN107762732B true CN107762732B (en) | 2019-08-13 |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| ATE525569T1 (en) * | 2007-12-21 | 2011-10-15 | Vestas Wind Sys As | ACTIVE FLOW CONTROL DEVICE AND METHOD FOR EFFECTING A FLUID BOUNDARY LAYER OF A WIND TURBINE BLADE |
| EP2604853A1 (en) * | 2011-12-15 | 2013-06-19 | Siemens Aktiengesellschaft | Method of controlling a wind turbine |
| CN106768917A (en) * | 2016-11-23 | 2017-05-31 | 中国科学院工程热物理研究所 | A kind of pneumatic equipment bladess scene load test and appraisal procedure |
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