CN116641839A - Wind power generator is to wind system in advance - Google Patents
Wind power generator is to wind system in advance Download PDFInfo
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- CN116641839A CN116641839A CN202310507014.1A CN202310507014A CN116641839A CN 116641839 A CN116641839 A CN 116641839A CN 202310507014 A CN202310507014 A CN 202310507014A CN 116641839 A CN116641839 A CN 116641839A
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- 238000004804 winding Methods 0.000 claims description 10
- 230000010365 information processing Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract description 6
- 230000003449 preventive effect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement 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
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
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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
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
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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
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- 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
-
- 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
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- 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
- F05B2270/321—Wind directions
-
- 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
- F05B2270/329—Azimuth or yaw angle
-
- 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
- F05B2270/60—Control system actuates through
- F05B2270/602—Control system actuates through electrical actuators
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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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- 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 relates to the technical field of wind power generator wind alignment, in particular to a wind power generator wind alignment system in advance, which comprises: the wind measuring module is used for detecting wind direction and wind speed at the periphery of the wind power plant; the yaw module can yaw the wind driven generator; the control module is used for controlling the yaw module to yaw the wind driven generator in advance according to the data information of the wind measuring module; predicting the trend of the wind speed and the wind direction of the wind power plant in advance, controlling the wind driven generator to yaw in advance, and greatly reducing the loss electric quantity caused by the wind of the fan; and the wind driven generator is yaw in advance according to the predicted wind direction and wind speed, and meanwhile, preventive measures are taken in advance when the wind speed is large, so that the power generation efficiency and the safety of the wind driven generator are improved.
Description
Technical Field
The invention relates to the technical field of wind facing of wind driven generators, in particular to an early wind facing system of a wind driven generator.
Background
Currently, in the wind power generation industry, mainstream models with power above megawatts are generally designed with a horizontal axis. The wind generating set based on the horizontal shaft design is required to be provided with a yaw system, and the yaw system has the main function of enabling the wind generating set to be in a windward state as much as possible when generating electricity, so that the yaw system is required to track the change of wind direction at any time.
In the prior art, after the wind speed and the wind direction are detected, the wind generating set automatically performs wind alignment, and because the time required by the fan to align the wind is longer, the wind generating set cannot generate electricity loss to the wind at the first time, and the electricity loss can be greatly reduced by aligning the wind in advance.
How to realize advanced wind-proofing of wind-driven generators is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a wind power generator advanced wind-aligning system, which realizes the advanced wind alignment of a wind power generator set, optimizes the yaw angle of the wind power generator and reduces the electric quantity loss caused by the delay of the wind power generator to wind.
In order to achieve the above purpose, the present invention provides the following technical solutions:
preferably, the above-mentioned wind power generator is to wind system in advance, includes:
the wind measuring module is used for detecting wind direction and wind speed at the periphery of the wind power plant;
the yaw module can yaw the wind driven generator;
and the control module is used for controlling the yaw module to yaw the wind driven generator in advance according to the data information of the wind measuring module.
Preferably, in the foregoing wind turbine generator advanced wind system, the wind measuring module includes:
the first anemoclinograph is arranged at the periphery of the wind power plant and used for detecting the wind direction and the wind speed of the incoming wind of the wind power plant;
and the first wireless device is connected with the first anemometer and transmits data information detected by the first anemometer to the control module.
Preferably, in the foregoing wind turbine generator early wind aligning system, the yaw module includes:
the second anemoclinograph is arranged on the wind driven generator and is used for measuring the wind speed and the wind direction around the wind driven generator;
the yaw motor can drive the wind driven generator in a yaw manner;
a yaw brake for braking yaw of the yaw motor;
the inclination angle sensor is used for detecting the opposite wind angle of the wind driven generator;
the fan braking device is used for braking the wind driven generator to stop the wind driven generator;
the torsion cable sensor is used for detecting the winding number of the wind driven generator cable;
the yaw controller is connected with the second anemoscope, the yaw motor, the yaw brake, the inclination angle sensor, the fan brake device and the torsion cable sensor and used for controlling the yaw process of the wind driven generator;
the second wireless device is connected with the yaw controller and the second anemoscope, and is used for sending data information of the second anemoscope to the control module, receiving the data information of the control module and sending the data information to the yaw controller.
Preferably, in the foregoing wind turbine generator advanced wind system, the control module includes:
a third wireless device connected to the first wireless device and the second wireless device, receiving data information transmitted by the first wireless device and the second wireless device, and transmitting the data information to the second wireless device;
the information processing device is used for acquiring the data information received by the third wireless device, comparing and analyzing the data information, generating the execution information of the wind driven generator and transmitting the execution information to the third wireless device;
and the display device acquires the data information of the third wireless device and displays the operation data of the wind driven generator.
Preferably, in the foregoing wind turbine generator advanced wind system, the information processing device includes:
the storage unit is used for storing the maximum wind speed, storing the cable release value and storing the yaw minimum value;
the wind speed and direction prediction unit predicts the wind speed and direction change of the wind power plant according to the data information of the first anemometer and the operation data of the wind power generator;
and the advanced yaw unit is used for generating yaw data of the wind driven generator according to the prediction result of the wind speed and direction prediction unit and the operation data of the wind driven generator and transmitting the yaw data to the third wireless device.
Preferably, in the foregoing wind turbine generator advanced wind system, the wind speed and direction prediction unit specifically includes:
step one, acquiring data information of the first wind speed and direction sensor, and converting signal information into digital information;
step two, calculating the wind direction change time of the wind power plant according to the first wind speed information;
and thirdly, calculating the wind direction change angle of the wind driven generator according to the first wind direction information.
Preferably, in the foregoing wind turbine generator advanced wind system, the advanced yaw unit specifically includes:
step one, calculating a first yaw angle of the wind driven generator according to the data information of the wind direction change angle;
step two, if the first yaw angle is smaller than the yaw minimum value, the wind driven generator does not yaw;
step three, if the first yaw angle is larger than the yaw minimum value, analyzing according to the cable twisting sensor and the cable untwisting value, if the cable winding number of the cable twisting sensor is larger than the cable untwisting value after the wind driven generator performs yaw, generating cable untwisting information of the wind driven generator, and recalculating the yaw angle according to the first yaw angle after cable untwisting;
step four, if the number of turns of the cable winding of the cable twisting sensor is smaller than the cable untwisting value after the wind driven generator yaw, determining a yaw zero position of the wind driven generator according to the inclination angle sensor;
step five, determining a second yaw angle of yaw of the wind driven generator according to the yaw zero position and the first yaw angle;
step six, if the first wind speed information is larger than the maximum wind speed, correcting the second yaw angle to generate a third yaw angle;
step seven, determining the yaw speed of the wind driven generator according to the wind direction change time and the first wind speed;
step eight, transmitting yaw information including a yaw angle and a yaw speed to the third wireless device.
Preferably, in the foregoing wind turbine generator advanced wind system, the yaw controller specifically includes:
step one, controlling the yaw motor to yaw the wind driven generator according to the yaw information;
step two, according to the second wind speed information of the second anemoscope, the yaw speed of the wind driven generator is adjusted;
step three, when yaw is completed according to the yaw information, adjusting the yaw angle of the wind driven generator according to the second wind direction information of the second anemoclinograph;
and step four, controlling the yaw brake to brake the yaw of the wind driven generator.
Preferably, in the foregoing wind turbine generator early wind system, the yaw controller further includes:
step one, controlling the fan braking device to stop the wind driven generator according to the cable releasing information;
step two, according to the data information of the cable twisting sensor, controlling the yaw motor to untwist the wind driven generator;
and thirdly, after cable release, yaw is carried out according to yaw information of the advanced yaw unit.
Preferably, in the above-mentioned wind power generator advanced wind system, the advanced yaw unit further includes:
step one, generating a fourth yaw angle according to the data information of the inclination angle sensor and the first wind direction;
if the first wind speed information is larger than the maximum wind speed, correcting the fourth yaw angle to generate a fifth yaw angle;
step three, determining the yaw speed of the wind driven generator according to the wind direction change time and the first wind speed;
step four, yaw information including yaw angle and yaw speed is transmitted to the third wireless device.
Compared with the prior art, the invention has the beneficial effects that:
1. the wind speed and the trend of the wind power plant changing in advance are predicted, the wind driven generator is controlled to yaw in advance, and the loss electric quantity caused by the wind to the wind is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the system components of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
FIG. 3 is a schematic diagram of the yaw flow of the wind motor according to the present invention.
In the figure, 1, a wind driven generator; 2. a first anemometer; 3. and a control module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-2, an embodiment of the present invention discloses a wind turbine advanced wind system, including:
the wind measuring module is used for detecting wind direction and wind speed at the periphery of the wind power plant;
the yaw module can yaw the wind driven generator;
and the control module is used for controlling the yaw module to yaw the wind driven generator in advance according to the data information of the wind measuring module.
The working beneficial effects of the embodiment are as follows: the wind speed and the trend of the wind power plant changing in advance are predicted, the wind driven generator is controlled to yaw in advance, and the loss electric quantity caused by the wind to the wind is greatly reduced.
In an embodiment, in the foregoing wind turbine advanced wind alignment system, a wind measurement module includes:
the first anemoclinograph is arranged at the periphery of the wind power plant and used for detecting the wind direction and the wind speed of the incoming wind of the wind power plant;
the first wireless device is connected with the first anemometer and transmits data information detected by the first anemometer to the control module.
Wherein the first anemometer and the first wireless device are both prior art as commonly known to those skilled in the art;
the first anemoclinograph and the first wireless device are connected through a wire, so that interference of data transmission is reduced; the first anemometer and the first wireless device are arranged in a plurality of directions of incoming wind of the wind power plant, and effective value calculation is carried out on detection data of the first anemometers in the same direction, so that errors caused by single data are reduced; the effective value calculation formula is:
wherein c is the first wind speed or the first wind direction, n is the number of the first anemometers in the same direction, c i A value for each first anemometer;
the beneficial effects of the embodiment are as follows: the wind measuring device is arranged on the periphery of the wind power plant, and the change of the wind speed of the wind direction is detected in advance, so that the wind power generator can be used for wind in advance, and the power generation efficiency is improved.
In an embodiment, in the foregoing wind turbine system, a yaw module includes:
the second anemoclinograph is arranged on the wind driven generator and is used for measuring the wind speed and the wind direction around the wind driven generator;
the yaw motor can drive the wind driven generator in a yaw manner;
a yaw motor for braking yaw of the yaw motor;
the inclination angle sensor is used for detecting the opposite wind angle of the wind driven generator;
the fan braking device is used for braking the wind driven generator to stop the wind driven generator;
the torsion cable sensor is used for detecting the winding number of the wind driven generator cable;
the yaw controller is connected with the second anemoscope, the yaw motor, the yaw brake, the inclination angle sensor, the fan brake device and the torsion cable sensor and used for controlling the yaw process of the wind driven generator;
the second wireless device is connected with the yaw controller and the second anemometer, and is used for sending data information of the second anemometer to the control module, receiving the data information of the control module and sending the data information to the yaw controller.
Wherein the second anemometer, yaw motor, pitch sensor, torsion sensor, yaw controller, and second wireless device are all well known to those skilled in the art.
In an embodiment, in the foregoing wind turbine system, the control module includes:
the third wireless device is connected with the first wireless device and the second wireless device, receives data information sent by the first wireless device and the second wireless device, and sends the data information to the second wireless device;
the information processing device is used for acquiring the data information received by the third wireless device, comparing and analyzing the data information, generating the execution information of the wind driven generator and transmitting the execution information to the third wireless device;
and the display device acquires the data information of the third wireless device and displays the operation data of the wind driven generator.
The control module of the above embodiment is a wind power plant control room, wherein the third wireless device is of prior art commonly known to those skilled in the art; the information processing device is a processor, the display device is a display, and the information processing device and the display device are all in the prior art; the display device displays wind direction and wind speed data.
In an embodiment, in the foregoing wind turbine system, the information processing apparatus includes:
the storage unit is used for storing the maximum wind speed, storing the cable release value and storing the yaw minimum value;
the wind speed and direction prediction unit predicts the wind speed and direction change of the wind power plant according to the data information of the first anemometer and the operation data of the wind power generator;
and the advanced yaw unit is used for generating yaw data of the wind driven generator according to the prediction result of the wind speed and direction prediction unit and the operation data of the wind driven generator and transmitting the yaw data to the third wireless device.
In one embodiment, in the foregoing wind turbine generator wind speed and direction prediction unit in the wind system in advance, the wind speed and direction prediction unit specifically includes:
step one, acquiring data information of a first wind speed and direction sensor, and converting signal information into digital information;
step two, calculating the wind direction change time of the wind power plant according to the first wind speed information;
and thirdly, calculating the wind direction change angle of the wind driven generator according to the first wind direction information.
In the above embodiment, the first wind speed and the first wind direction are both calculated effective values; the wind direction change value is calculated as a wind direction change angle obtained by judging the data information of the first wind direction and the second anemometer;
the second anemometer angle is the effective value of all and part of anemometers of the wind power plant, namely the wind direction change angle is the reference value of yaw of the wind power plant.
In an embodiment, in the foregoing wind turbine generator yaw advancing system, the yaw advancing unit is specifically:
step one, calculating a first yaw angle of a wind driven generator according to data information of a wind direction change angle;
step two, if the first yaw angle is smaller than the yaw minimum value, the wind driven generator does not yaw;
step three, if the first yaw angle is larger than the yaw minimum value, analyzing according to the cable twisting sensor and the cable untwisting value, if the cable winding number of the cable twisting sensor is larger than the cable untwisting value after the wind driven generator performs yaw, generating cable untwisting information of the wind driven generator, and after the cable untwisting, recalculating the yaw angle according to the first yaw angle;
step four, if the number of turns of the cable winding of the cable twisting sensor after the wind driven generator performs yaw is smaller than the cable unwinding value, determining a yaw zero position of the wind driven generator according to the inclination angle sensor;
step five, determining a second yaw angle of the yaw of the wind driven generator according to the yaw zero position and the first yaw angle;
step six, if the first wind speed information is larger than the maximum wind speed, correcting the second yaw angle to generate a third yaw angle;
step seven, determining the yaw speed of the wind driven generator according to the wind direction change time and the first wind speed;
step eight, the yaw information including the yaw angle and the yaw speed is transmitted to a third wireless device.
In the embodiment, the yaw minimum value is that the yaw angle is too small, so that the current windward angle is maintained, and better power generation efficiency can be obtained; the cable releasing value is a cable winding threshold value, so that accidents can occur when the cable releasing value is off the wind driven generator, and the cable releasing operation needs to be performed firstly to ensure the operation safety of the wind driven generator; the maximum wind speed is a windward safety wind speed value of the wind driven generator, and the wind driven generator is damaged when the maximum wind speed is exceeded; when the wind speed reaches the maximum wind speed, an included angle is formed between the yaw angle and the windward angle when yaw is carried out, so that acting force of the wind speed on blades is reduced, and the safety of the wind driven generator is improved;
the beneficial effects of the embodiment are as follows: and the wind driven generator is yaw in advance according to the predicted wind direction and wind speed, and meanwhile, preventive measures are taken in advance when the wind speed is large, so that the power generation efficiency and the safety of the wind driven generator are improved.
In one embodiment, in the foregoing wind turbine generator system, the yaw controller specifically includes:
step one, controlling a yaw motor to yaw the wind driven generator according to yaw information;
step two, according to second wind speed information of a second anemograph, the yaw speed of the wind driven generator is adjusted;
step three, when yaw is completed according to the yaw information, adjusting the yaw angle of the wind driven generator according to the second wind direction information of the second anemoclinograph;
and step four, controlling a yaw brake to brake the yaw of the wind driven generator.
In the above embodiment, after the wind driven generator yaw according to the yaw information, the wind driven generator is in a direction approximately facing the wind, and the windward angle is corrected by the anemoscope of the wind driven generator itself, so that the power generation efficiency of the wind driven generator is improved.
In an embodiment, in the foregoing wind turbine generator advanced wind system, the yaw controller further includes:
step one, controlling a fan braking device to stop a wind driven generator according to cable release information;
step two, according to the data information of the cable twisting sensor, controlling the yaw motor to untwist the wind driven generator;
and thirdly, after cable release, yaw is carried out according to yaw information of the yaw unit in advance.
In an embodiment, in the foregoing wind turbine generator yaw advancing unit, the yaw advancing unit further includes:
step one, generating a fourth yaw angle according to data information of an inclination angle sensor and a first wind direction;
step two, if the first wind speed information is larger than the maximum wind speed, correcting the fourth yaw angle to generate a fifth yaw angle;
step three, determining the yaw speed of the wind driven generator according to the wind direction change time and the first wind speed;
and step four, transmitting yaw information comprising the yaw angle and the yaw speed to a third wireless device.
In the embodiment, the wind driven generator firstly performs cable disassembly and then yaw, so that the operation safety of the wind driven generator is improved.
It should be noted that, in the foregoing embodiment, only the division of the foregoing functional modules is illustrated, and in practical application, the foregoing functional allocation may be performed by different functional modules according to needs, that is, the modules or steps in the embodiment of the present invention are further decomposed or combined, for example, the modules in the foregoing embodiment may be combined into one module, or may be further split into multiple sub-modules, so as to complete all or part of the functions described above. The names of the modules and steps related to the embodiments of the present invention are merely for distinguishing the respective modules or steps, and are not to be construed as unduly limiting the present invention.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the appended claims and their equivalents, the present invention is intended to include such modifications and variations as would be included in the above description of the disclosed embodiments, enabling those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A wind generator early wind aligning system, comprising:
the wind measuring module is used for detecting wind direction and wind speed at the periphery of the wind power plant;
the yaw module can yaw the wind driven generator;
and the control module is used for controlling the yaw module to yaw the wind driven generator in advance according to the data information of the wind measuring module.
2. The advanced wind turbine system of claim 1, wherein the anemometer module comprises:
the first anemoclinograph is arranged at the periphery of the wind power plant and used for detecting the wind direction and the wind speed of the incoming wind of the wind power plant;
and the first wireless device is connected with the first anemometer and transmits data information detected by the first anemometer to the control module.
3. The wind generator early wind system of claim 2, wherein the yaw module comprises:
the second anemoclinograph is arranged on the wind driven generator and is used for measuring the wind speed and the wind direction around the wind driven generator;
the yaw motor can drive the wind driven generator in a yaw manner;
a yaw brake for braking yaw of the yaw motor;
the inclination angle sensor is used for detecting the opposite wind angle of the wind driven generator;
the fan braking device is used for braking the wind driven generator to stop the wind driven generator;
the torsion cable sensor is used for detecting the winding number of the wind driven generator cable;
the yaw controller is connected with the second anemoscope, the yaw motor, the yaw brake, the inclination angle sensor, the fan brake device and the torsion cable sensor and used for controlling the yaw process of the wind driven generator;
the second wireless device is connected with the yaw controller and the second anemoscope, and is used for sending data information of the second anemoscope to the control module, receiving the data information of the control module and sending the data information to the yaw controller.
4. A wind generator early wind system according to claim 3, wherein the control module comprises:
a third wireless device connected to the first wireless device and the second wireless device, receiving data information transmitted by the first wireless device and the second wireless device, and transmitting the data information to the second wireless device;
the information processing device is used for acquiring the data information received by the third wireless device, comparing and analyzing the data information, generating the execution information of the wind driven generator and transmitting the execution information to the third wireless device;
and the display device acquires the data information of the third wireless device and displays the operation data of the wind driven generator.
5. The advanced wind turbine system of claim 4, wherein the information processing device comprises:
the storage unit is used for storing the maximum wind speed, storing the cable release value and storing the yaw minimum value;
the wind speed and direction prediction unit predicts the wind speed and direction change of the wind power plant according to the data information of the first anemometer and the operation data of the wind power generator;
and the advanced yaw unit is used for generating yaw data of the wind driven generator according to the prediction result of the wind speed and direction prediction unit and the operation data of the wind driven generator and transmitting the yaw data to the third wireless device.
6. The advanced wind-aligning system of claim 5, wherein the wind speed and direction prediction unit specifically comprises:
step one, acquiring data information of the first wind speed and direction sensor, and converting signal information into digital information;
step two, calculating the wind direction change time of the wind power plant according to the first wind speed information;
and thirdly, calculating the wind direction change angle of the wind driven generator according to the first wind direction information.
7. The advanced wind turbine system of claim 6, wherein the advanced yaw unit is specifically:
step one, calculating a first yaw angle of the wind driven generator according to the data information of the wind direction change angle;
step two, if the first yaw angle is smaller than the yaw minimum value, the wind driven generator does not yaw;
step three, if the first yaw angle is larger than the yaw minimum value, analyzing according to the cable twisting sensor and the cable untwisting value, if the cable winding number of the cable twisting sensor is larger than the cable untwisting value after the wind driven generator performs yaw, generating cable untwisting information of the wind driven generator, and recalculating the yaw angle according to the first yaw angle after cable untwisting;
step four, if the number of turns of the cable winding of the cable twisting sensor is smaller than the cable untwisting value after the wind driven generator yaw, determining a yaw zero position of the wind driven generator according to the inclination angle sensor;
step five, determining a second yaw angle of yaw of the wind driven generator according to the yaw zero position and the first yaw angle;
step six, if the first wind speed information is larger than the maximum wind speed, correcting the second yaw angle to generate a third yaw angle;
step seven, determining the yaw speed of the wind driven generator according to the wind direction change time and the first wind speed;
step eight, transmitting yaw information including a yaw angle and a yaw speed to the third wireless device.
8. The advanced wind turbine system of claim 7, wherein the yaw controller is specifically:
step one, controlling the yaw motor to yaw the wind driven generator according to the yaw information;
step two, according to the second wind speed information of the second anemoscope, the yaw speed of the wind driven generator is adjusted;
step three, when yaw is completed according to the yaw information, adjusting the yaw angle of the wind driven generator according to the second wind direction information of the second anemoclinograph;
and step four, controlling the yaw brake to brake the yaw of the wind driven generator.
9. The early wind system of claim 7, wherein the yaw controller further comprises:
step one, controlling the fan braking device to stop the wind driven generator according to the cable releasing information;
step two, according to the data information of the cable twisting sensor, controlling the yaw motor to untwist the wind driven generator;
and thirdly, after cable release, yaw is carried out according to yaw information of the advanced yaw unit.
10. The wind generator early wind system of claim 9, wherein the early yaw unit further comprises:
step one, generating a fourth yaw angle according to the data information of the inclination angle sensor and the first wind direction;
if the first wind speed information is larger than the maximum wind speed, correcting the fourth yaw angle to generate a fifth yaw angle;
step three, determining the yaw speed of the wind driven generator according to the wind direction change time and the first wind speed;
step four, yaw information including yaw angle and yaw speed is transmitted to the third wireless device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310507014.1A CN116641839A (en) | 2023-05-06 | 2023-05-06 | Wind power generator is to wind system in advance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117989054A (en) * | 2024-04-03 | 2024-05-07 | 东方电气风电股份有限公司 | Domestic fan intelligent control method, system and equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117989054A (en) * | 2024-04-03 | 2024-05-07 | 东方电气风电股份有限公司 | Domestic fan intelligent control method, system and equipment |
| CN117989054B (en) * | 2024-04-03 | 2024-06-07 | 东方电气风电股份有限公司 | Domestic fan intelligent control method, system and equipment |
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