CN105736243A - Closed-loop controlling system for horizontal-axis wind turbine - Google Patents
Closed-loop controlling system for horizontal-axis wind turbine Download PDFInfo
- Publication number
- CN105736243A CN105736243A CN201610315785.0A CN201610315785A CN105736243A CN 105736243 A CN105736243 A CN 105736243A CN 201610315785 A CN201610315785 A CN 201610315785A CN 105736243 A CN105736243 A CN 105736243A
- Authority
- CN
- China
- Prior art keywords
- wind
- driven generator
- speed
- wind speed
- actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000523 sample Substances 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- F03D7/06—Controlling wind motors the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/304—Spool rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/40—Type of control system
- F05B2270/402—Type of control system passive or reactive, e.g. using large wind vanes
-
- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a closed-loop controlling system for a horizontal-axis wind turbine. The controlling system comprises an actuating mechanism, a wind speed sensor, a rotating speed sensor and a feedback device; the actuating mechanism can receive a controlling parameter confirmed by the wind turbine according to the designing requirement and can start the wind turbine according to the controlling parameter; the wind speed sensor can detect an actual wind speed in an operating site of the wind turbine and send the detected actual wind speed signal to the actuating mechanism; a blade angle of the wind turbine can be adjusted by the actuating mechanism according to the actual wind speed detected by the wind speed sensor to guarantee stable operation of the wind turbine. The controlling system can accurately control the blade angle, so that the wind turbine can stably and safely generate power in all wind conditions in a full-automatic excellent high-efficiency mode.
Description
Technical field
The present invention relates to technical field of wind power generator, particularly relate to a kind of vertical axis aerogenerator closed-loop control system.
Background technology
Wind-driven generator is a kind of equipment of the generating using wind as the energy, currently mainly has two classes: (1) horizontal axis wind-driven generator, the rotating shaft of wind wheel is parallel with ground；(2) vertical axis aerogenerator, the rotating shaft of wind wheel is parallel with ground.Vertical axis aerogenerator has Φ type and H type etc., and the impeller of H type vertical axis aerogenerator is generally rotated round rotating shaft by several vertical blades.The rotary speed of impeller changes with wind speed and changes, if wind speed oversteps the extreme limit, wind wheel rotates speed will infinitely be increased and driving phenomenon finally occur, and serious destruction will occur wind-driven generator.Not only how can control the rotating speed of wind wheel but also the angle of blade can be adjusted with the change of wind speed so as to the safety of high-quality and efficient generating and guarantee blower fan is the key technology of such wind-driven generator.
Existing vertical axis wind turbine to control rotating speed in rotary course and make it stable operation and will change the angle of blade so that it is increase the resistance drop slow-speed of revolution so as to stably rotate or shut down to ensure wind-power electricity generation function stable electric generation and safe operation at higher wind velocity condition lower blade.In prior art, control blade angle method generally all can only simply utilize some mechanical position limitations, steel wire rope pull drag, centrifugal force, pendulum hang down etc. control, the angle of blade all cannot accurately be controlled by these methods, random big, the rotating speed of wind wheel can not be controlled very well, to blower fan even running with safely all without reliable guarantee.
Summary of the invention
It is an object of the invention to provide a kind of vertical axis aerogenerator closed-loop control system, this system can accurately control the angle of blade such that it is able to full-automatic, high-quality and efficient makes wind-driven generator generating of stable safety under various wind regime.
A kind of vertical axis aerogenerator closed-loop control system, described control system includes actuator, air velocity transducer, speed probe and feedback device, wherein:
Described actuator receives the control parameter that wind-driven generator is determined by designing requirement, and starts wind-driven generator according to this control parameter；
Described air velocity transducer detects described wind-driven generator and runs on-the-spot actual wind speed, and the actual wind speed signal detected is delivered to actuator；
Described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, and the angle of requirement whether is reached by the angle of described feedback device detection blade, and whether the rotating speed detected through described speed probe is in the range of speeds of regulation, to ensure the stable operation of described wind-driven generator.
As seen from the above technical solution provided by the invention, said system can accurately control the angle of blade such that it is able to full-automatic, high-quality and efficient makes wind-driven generator generating of stable safety under various wind regime.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the front view of the provided vertical axis aerogenerator closed-loop control system of the embodiment of the present invention；
Fig. 2 is the top view of the provided vertical axis aerogenerator closed-loop control system of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into protection scope of the present invention.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail, the front view of the provided vertical axis aerogenerator closed-loop control system of the embodiment of the present invention is provided, it is illustrated in figure 2 the top view of this system, in conjunction with Fig. 1 and 2, described control system includes actuator, air velocity transducer, speed probe and feedback device, Fig. 1, the parts comprised in Fig. 2 are: wheel 1, support bar 2, blade 3, anemobiagraph 4, rotational speed meters 5, servomotor 6, rotating mechanism 7, synchronize rotating disk 8, first crank 9, connecting rod 10, second crank 11 and corner tester 12, wherein:
Described actuator includes: servomotor 6, rotating mechanism 7, synchronization rotating disk the 8, first crank 9, connecting rod 10 and the second crank 11；
Described air velocity transducer includes anemobiagraph 4；
Described speed probe includes rotational speed meters 5；
Described feedback device includes corner tester 12.
The annexation of each parts and work process be:
Described actuator receives the control parameter that wind-driven generator is determined by designing requirement, and starts wind-driven generator according to this control parameter；
Described air velocity transducer detects described wind-driven generator and runs on-the-spot actual wind speed, and the actual wind speed signal detected is delivered to actuator；
Described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, the angle of requirement whether is reached by the angle of described feedback device detection blade, and whether the rotating speed detected through described speed probe is in the range of speeds of regulation, to ensure the stable operation of described wind-driven generator.
In implementing, described actuator adjust according to the actual wind speed that detects the blade angle of described wind-driven generator process particularly as follows:
1) when detecting that actual wind speed reaches the threshold wind velocity preset, described air velocity transducer sends instruction and utilizes crank connecting link to make the low wind speed that the blade of described wind-driven generator rotates to default start the angle of attack by the actuator-electric turntable in taking turns, and blower fan starts a cut through operation；
This operation can forward blade to a low wind speed in low wind speeds and start the angle of attack, makes blade produce revolving force and rotates from by wind wheel, thus reducing incision wind speed.
2) when detecting that actual wind speed reaches rated wind speed, described air velocity transducer is sent instruction and blade is forwarded to by actuator the angle of attack that can produce stabilized (steady-state) speed of default, the rotating speed detected by described speed probe is by performing rotating speed operating in the range of speeds of regulation of structure control blower fan, and blower fan (i.e. wind-driven generator) enters full hair-like state；
This operation can make blade realize maximum pneumatic efficiency, more effective utilizes wind resource.
3) when detecting that actual wind speed reaches cut-out wind speed, described air velocity transducer sends instruction and reaches maximum resistance angle by actuator adjustment blade angle, produces resistance, makes wheel speed decline and finally stops, and blower fan cuts out operation；
4) when speed probe detects that described wind-driven generator stops operating, described feedback device sends instruction, and to make blade angle fix by actuator locked, to ensure that described wind-driven generator will not rotate.
Accordingly even when reach capacity during wind speed, it is also possible to forward the angle of blade to maximum resistance angle, wind wheel forms air damping, so that it is guaranteed that the safety of wind-driven generator.
Additionally, when on-the-spot wind speed increases, speed probe and air velocity transducer all can send signal, and signal high for preferential collection precision is sent instruction and changes blade angle by described control system, make with pneumatic control constant wind wheel speed that blower fan is high-quality and efficient all the time to generate electricity at full capacity.
In sum, the control system that the embodiment of the present invention provides can solve the problem that fan starting wind speed is high, wind speed round fluctuation is big, generating is unstable, blower fan cannot normally cut out operation, can not ensure security problems when Limit of Wind Speed such that it is able to full-automatic, high-quality and efficient makes wind-driven generator generating of stable safety under various wind regime.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope of present disclosure; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. a vertical axis aerogenerator closed-loop control system, it is characterised in that described control system includes actuator, air velocity transducer, speed probe and feedback device, wherein:
Described actuator receives the control parameter that wind-driven generator is determined by designing requirement, and starts wind-driven generator according to this control parameter；
Described air velocity transducer detects described wind-driven generator and runs on-the-spot actual wind speed, and the actual wind speed signal detected is delivered to actuator；
Described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, and the angle of requirement whether is reached by the angle of described feedback device detection blade, and whether the rotating speed detected through described speed probe is in the range of speeds of regulation, to ensure the stable operation of described wind-driven generator.
2. vertical axis aerogenerator closed-loop control system as claimed in claim 1, it is characterised in that described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, specifically includes:
When detecting that actual wind speed reaches the threshold wind velocity preset, described air velocity transducer sends instruction and utilizes crank connecting link to make the low wind speed that the blade of described wind-driven generator rotates to default start the angle of attack by the actuator-electric turntable in taking turns, and blower fan starts a cut through operation.
3. vertical axis aerogenerator closed-loop control system as claimed in claim 1, it is characterised in that described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, specifically includes:
When detecting that actual wind speed reaches rated wind speed, described air velocity transducer is sent instruction and blade is forwarded to by actuator the angle of attack that can produce stabilized (steady-state) speed of default, and the rotating speed detected by described speed probe is by performing rotating speed operating in the range of speeds of regulation of structure control blower fan, blower fan enters full hair-like state.
4. vertical axis aerogenerator closed-loop control system as claimed in claim 1, it is characterised in that described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, specifically includes:
When detecting that actual wind speed reaches cut-out wind speed, described air velocity transducer sends instruction and reaches maximum resistance angle by actuator adjustment blade angle, produces resistance, makes wheel speed decline and finally stops, and blower fan cuts out operation.
5. vertical axis aerogenerator closed-loop control system as claimed in claim 1, it is characterised in that described actuator adjusts the blade angle of described wind-driven generator according to the actual wind speed detected, specifically includes:
When speed probe detects that described wind-driven generator stops operating, described feedback device sends instruction, and to make blade angle fix by actuator locked, to ensure that described wind-driven generator will not rotate.
6. vertical axis aerogenerator closed-loop control system as claimed in claim 1, it is characterised in that
Described actuator farther includes: servomotor, rotating mechanism, synchronization rotating disk, the first crank, connecting rod and the second crank；
Described air velocity transducer includes anemobiagraph；
Described speed probe includes rotational speed meters；
Described feedback device includes corner tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315785.0A CN105736243A (en) | 2016-05-12 | 2016-05-12 | Closed-loop controlling system for horizontal-axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315785.0A CN105736243A (en) | 2016-05-12 | 2016-05-12 | Closed-loop controlling system for horizontal-axis wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736243A true CN105736243A (en) | 2016-07-06 |
Family
ID=56288941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610315785.0A Pending CN105736243A (en) | 2016-05-12 | 2016-05-12 | Closed-loop controlling system for horizontal-axis wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736243A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145434A (en) * | 2019-06-27 | 2019-08-20 | 金陵科技学院 | It is a kind of with can periodic wobble vanelets trunnion axis blower |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121518A (en) * | 2008-11-19 | 2010-06-03 | Mitsubishi Heavy Ind Ltd | Vertical shaft magnus type wind turbine generator |
| KR20100067706A (en) * | 2008-12-12 | 2010-06-22 | 이희형 | Wind direction and wind speed's change adjustable wind power generator |
| US7931440B2 (en) * | 2008-12-04 | 2011-04-26 | Donald Bobowick | Vertical axis wind turbine |
| CN102392792A (en) * | 2011-11-05 | 2012-03-28 | 太原科技大学 | Vertical shaft wind-driven generation system structure and control method thereof |
| CN102536659A (en) * | 2012-02-27 | 2012-07-04 | 广东明阳风电产业集团有限公司 | Impeller locking automatic control system and method for large wind power generator |
| CN102926930A (en) * | 2012-11-12 | 2013-02-13 | 东南大学 | Independent variable pitch control method of wind power generation system |
| CN103397983A (en) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | Method of active power and speed control for variable speed wind turbines |
| CN103994030A (en) * | 2014-05-16 | 2014-08-20 | 江苏大学 | Variable speed constant frequency wind power generation system integrated with energy storing device and control methods |
-
2016
- 2016-05-12 CN CN201610315785.0A patent/CN105736243A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121518A (en) * | 2008-11-19 | 2010-06-03 | Mitsubishi Heavy Ind Ltd | Vertical shaft magnus type wind turbine generator |
| US7931440B2 (en) * | 2008-12-04 | 2011-04-26 | Donald Bobowick | Vertical axis wind turbine |
| KR20100067706A (en) * | 2008-12-12 | 2010-06-22 | 이희형 | Wind direction and wind speed's change adjustable wind power generator |
| CN102392792A (en) * | 2011-11-05 | 2012-03-28 | 太原科技大学 | Vertical shaft wind-driven generation system structure and control method thereof |
| CN102536659A (en) * | 2012-02-27 | 2012-07-04 | 广东明阳风电产业集团有限公司 | Impeller locking automatic control system and method for large wind power generator |
| CN102926930A (en) * | 2012-11-12 | 2013-02-13 | 东南大学 | Independent variable pitch control method of wind power generation system |
| CN103397983A (en) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | Method of active power and speed control for variable speed wind turbines |
| CN103994030A (en) * | 2014-05-16 | 2014-08-20 | 江苏大学 | Variable speed constant frequency wind power generation system integrated with energy storing device and control methods |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145434A (en) * | 2019-06-27 | 2019-08-20 | 金陵科技学院 | It is a kind of with can periodic wobble vanelets trunnion axis blower |
| CN110145434B (en) * | 2019-06-27 | 2024-03-19 | 金陵科技学院 | Small blade horizontal shaft fan capable of periodically swinging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2840441C (en) | Method and apparatus for wind turbine noise reduction | |
| KR100609289B1 (en) | Azimuthal control of a wind-energy turbine during a storm | |
| EP3071831B1 (en) | Rotor blade control for high winds | |
| US8115330B2 (en) | Wind turbine and method for operating a wind turbine | |
| JP5619278B2 (en) | Wind power generation system, apparatus using wind power generation system, and operation method thereof | |
| EP2674617B1 (en) | Wind turbine rotor control | |
| CN102518555B (en) | Megawatt wind driven generator set as well as control method and control system thereof | |
| JP5204307B2 (en) | Wind turbine generator control device, wind turbine generator, and wind turbine generator control method | |
| DK2556248T3 (en) | A WINDMILL | |
| CN104131952B (en) | Vertical-axis wind driven generator | |
| CN102493918A (en) | System and method for pre-warning and controlling gust load of wind power station | |
| EP2776711A1 (en) | Method of operating wind turbine and controller thereof | |
| JP6282187B2 (en) | Windmill and its stopping method | |
| CN108223266A (en) | Method and device for controlling wind power generator below rated wind speed | |
| EP2706230B1 (en) | Turbine and control system of the over-power of said turbine | |
| KR101363516B1 (en) | Method for controlling a generator of wind turbine generator | |
| JP6227490B2 (en) | Downwind type windmill and its stopping method | |
| CN105736243A (en) | Closed-loop controlling system for horizontal-axis wind turbine | |
| Svendsen et al. | Control system for start-up and shut-down of a floating vertical axis wind turbine | |
| JP2018119427A (en) | Wind-power generation system or operation method of wind-power generation system | |
| CN110067703A (en) | The synchronous variable pitch Wind turbines of Worm type and control method | |
| WO2016184470A1 (en) | Method and system for controlling a wind turbine generator | |
| CN206175133U (en) | Vertical axis aerogenerator closed loop control system | |
| CN104564522A (en) | Method for controlling operating angle of blades of wind generating set | |
| CN205025692U (en) | Wind power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
|
| RJ01 | Rejection of invention patent application after publication |