CN108194266A - Yaw control method and yaw control device - Google Patents
Yaw control method and yaw control device Download PDFInfo
- Publication number
- CN108194266A CN108194266A CN201711481999.6A CN201711481999A CN108194266A CN 108194266 A CN108194266 A CN 108194266A CN 201711481999 A CN201711481999 A CN 201711481999A CN 108194266 A CN108194266 A CN 108194266A
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- Prior art keywords
- yaw
- wind
- wind speed
- predetermined angle
- angle
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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
-
- 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
-
- 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
-
- 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 embodiment of the invention discloses a kind of Yaw control method and yaw control device, for optimizing the yaw of wind power generating set control.The embodiment of the present invention includes：Yaw system acquisition comes wind information, it is described come wind information include wind speed and direction misalignment angle；When the yaw system confirms that the wind speed is less than target wind speed, the yaw system judges whether the wind deflection angle is more than the first predetermined angle；If so, the yaw system performs yaw；When the yaw system confirms that the wind speed is not less than the target wind speed, the yaw system judges whether the wind deflection angle is more than the second predetermined angle, and second predetermined angle is less than first predetermined angle；If so, the yaw system performs yaw.So as to, come wind wind speed it is higher when, as yaw condition causing yaw system using the second relatively low predetermined angle, wind is sensitiveer to coming, and improves the utilization rate of wind energy, optimizes the yaw control of wind power generating set.
Description
Technical field
The present invention relates to wind power generation field more particularly to a kind of Yaw control methods and yaw control device.
Background technology
Wind power generating set is made of multiple portions, and control system extends through each part, is equivalent to wind power system
Nerve.Therefore the operation of control system be directly related to the working condition of wind-driven generator, generated energy number and equipment
Safety etc..
Yaw system is the essential part of wind turbine control system, in wind power generating set operational process
In, when yaw system confirmation carrys out wind wind deflection angle more than predetermined angle, yaw system performs yaw, control wind wheel deflection
Carry out wind wind direction to alignment, so as to make full use of wind energy.
However, the basis for estimation that the yaw of current yaw system performs is inclined when wind deflection angle is more than predetermined angle
Boat system just starts to yaw, and it is fixed value that yaw, which starts angle, and the foundation of the implementation strategy is excessively single.
Invention content
The embodiment of the present application provides a kind of Yaw control method and yaw control device, for optimizing wind power generating set
Yaw control.
The embodiment of the present application first aspect provides a kind of Yaw control method, including：
Yaw system acquisition carrys out wind information, this carrys out wind information and includes wind speed and direction misalignment angle；
When the yaw system confirms that the wind speed is less than target wind speed, whether which judges the wind deflection angle
More than the first predetermined angle；
If so, the yaw system performs yaw；
When the yaw system confirms that the wind speed is not less than the target wind speed, which judges the wind deflection angle
Whether second predetermined angle is more than, which is less than first predetermined angle；
If so, the yaw system performs yaw.
Preferably, which is the mean wind speed in preset duration.
Preferably, the mean wind speed of the preset duration is 7 metre per second (m/s) of mean wind speed in 10 seconds.
Preferably, which is 15 degree.
Preferably, which is 10 degree.
The embodiment of the present application second aspect provides a kind of yaw control device, including：
Collecting unit carrys out wind information for acquiring, this carrys out wind information and includes wind speed and direction misalignment angle；
First judging unit, for when yaw system confirms that the wind speed is less than target wind speed, judging the wind deflection angle
Whether degree is more than the first predetermined angle；
First execution unit, for when the wind deflection angle is more than the first predetermined angle, performing yaw；
Second judgment unit, for when the yaw system confirms that the wind speed is not less than the target wind speed, judging the wind direction
Whether misalignment angle is more than the second predetermined angle, which is less than first predetermined angle；
Second execution unit, for when the wind deflection angle is more than the second predetermined angle, performing yaw.
Preferably, which is the mean wind speed in preset duration.
The embodiment of the present application third aspect provides a kind of yaw control device, and the structure of the yaw control device includes：
Processor, memory, the processor are stored in by running the software program being stored in the memory, calling in the memory
Data, the method for performing the embodiment of the present application first aspect and embodiment.
The embodiment of the present application fourth aspect provides a kind of computer storage media, for saving as above-mentioned yaw control dress
Computer software instructions used are put, it includes the journeys for performing the embodiment of the present application first aspect and designed by embodiment
Sequence.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
The trip bar that two parameters of wind speed and deviation of directivity angle is used to be yawed as yaw system in the embodiment of the present application
Part when carrying out wind wind speed less than target wind speed, using the first predetermined angle as yaw execution condition, is not less than carrying out wind wind speed
During target wind speed, using the second predetermined angle as yaw execution condition, wherein, the second predetermined angle is less than the first preset angle
Degree, so as to, come wind wind speed it is higher when, cause yaw system to carrying out wind as yaw condition using the second relatively low predetermined angle
It is sensitiveer, the utilization rate of wind energy is improved, optimizes the yaw control of wind power generating set.
Description of the drawings
Fig. 1 is a schematic diagram of Yaw control method in the embodiment of the present application；
Fig. 2 is a schematic diagram of yaw control device in the embodiment of the present application.
Specific embodiment
An embodiment of the present invention provides a kind of Yaw control method, for optimizing the yaw of wind power generating set control.
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing, "
Four " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that the embodiments described herein can be in addition to illustrating or describing herein
Sequence other than appearance is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive
Include, be not necessarily limited to clearly arrange for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit gone out, but may include not listing clearly or these processes, method, product or equipment are consolidated
The other steps or unit having.
In order to make it easy to understand, the idiographic flow in the embodiment of the present invention is described below, referring to Fig. 1, of the invention
One embodiment of Yaw control method includes in embodiment：
101st, yaw system acquisition carrys out wind information, this carrys out wind information and includes wind speed and direction misalignment angle；
In the present embodiment, yaw system goal-selling wind speed and the first predetermined angle, yaw system are adopted by wind measuring device
Collection carrys out wind information, this carrys out wind information and includes carrying out the wind speed and direction misalignment angle of wind.
Specifically, which can be 7 metre per second (m/s) of every five seconds for example mean wind speed or every 10 seconds mean wind speeds seven
Metre per second (m/s) or instantaneous wind speed are 7 metre per second (m/s)s, can also be the default wind speed of other preset durations, yaw system can be tied
The wind regime for closing wind power generating set locality is adjusted, and is not limited herein specifically.
Specifically, which obtains wind deflection angle according to normal process.In addition, carry out the mistake of wind information in acquisition
Cheng Zhong, yaw system can obtain every five seconds for example mean wind speed, can also obtain every 10 seconds mean wind speeds, and yaw system can also obtain
The instantaneous wind speed of wind is fetched, the mean wind speed in other durations is can also be, does not limit herein specifically.
In the present embodiment, yaw system after goal-selling wind speed it is confirmed that obtain come wind information in wind speed amount
Guiding principle, the dimension is identical with target wind speed, for the comparison size of subsequent step.
102nd, when the yaw system confirms that the wind speed is less than target wind speed, the yaw system judges the wind direction
Whether misalignment angle is more than the first predetermined angle, if so, step 103 is performed, if it is not, then performing step 106；
In the present embodiment, when the wind speed that the yaw system verification step 101 acquires is less than the target wind speed, this is partially
Whether the wind deflection angle that boat system judgment step 101 acquires is more than the first predetermined angle.
Specifically, which can be 15 °, or 20 °, can also be other angles, yaw system
System can carry out appropriate adjustment according to local wind regime, not limit herein specifically.
103rd, the yaw system performs yaw；
In the present embodiment, determine that the wind deflection angle is more than first after judgement of the yaw system by step 102
During predetermined angle, yaw system performs yaw according to normal process.
104th, when the yaw system confirms that the wind speed is not less than the target wind speed, the yaw system judges institute
State whether wind deflection angle is more than the second predetermined angle, if so, step 105 is performed, if it is not, then performing step 106；
In the present embodiment, in the present embodiment, when the wind speed that the yaw system verification step 101 acquires is not less than the mesh
When marking wind speed, whether wind deflection angle which acquires is more than the second predetermined angle, this
Two predetermined angles are less than the first predetermined angle.
Specifically, the second predetermined angle is less than the first predetermined angle, which can be 5 °, or
10 °, it can also be other angles, yaw system can carry out appropriate adjustment according to local wind regime, not limit herein specifically
It is fixed.
105th, the yaw system performs yaw；
In the present embodiment, determine that the wind deflection angle is more than second after judgement of the yaw system by step 104
During predetermined angle, yaw system performs yaw according to normal process.
106th, the yaw system performs other operations；
In the present embodiment, determine the wind deflection angle no more than the after judgement of the yaw system by step 102
One predetermined angle determines that the wind deflection angle is default no more than second after judgement of the yaw system by step 104
During angle, yaw system performs other operations.
Specifically, which, which can continue to detect, carrys out wind information to judgement next time, which also may be used
The specific step 102 that please refers to further is screened to the method for step 105 to be further added by another target wind speed to carrying out wind information,
Other operations can also be performed in the yaw system, do not limit herein specifically.
The trip bar that two parameters of wind speed and deviation of directivity angle is used to be yawed as yaw system in the embodiment of the present application
Part when carrying out wind wind speed less than target wind speed, using the first predetermined angle as yaw execution condition, is not less than carrying out wind wind speed
During target wind speed, using the second predetermined angle as yaw execution condition, wherein, the second predetermined angle is less than the first preset angle
Degree, so as to, come wind wind speed it is higher when, cause yaw system to carrying out wind as yaw condition using the second relatively low predetermined angle
It is sensitiveer, the utilization rate of wind energy is improved, optimizes the yaw control of wind power generating set.
The yaw control device in the embodiment of the present application is described below, referring to Fig. 2, in the embodiment of the present application
One embodiment of yaw control device includes：
Collecting unit carrys out wind information for acquiring, this carrys out wind information and includes wind speed and direction misalignment angle；
First judging unit 201 is used to, when yaw system confirms that the wind speed is less than target wind speed, judge the wind deflection
Whether angle is more than the first predetermined angle；
First execution unit 202 is used to, when the wind deflection angle is more than the first predetermined angle, perform yaw；
Second judgment unit 203 is used to, when the yaw system confirms that the wind speed is not less than the target wind speed, judge the wind
Whether it is more than the second predetermined angle to misalignment angle, which is less than first predetermined angle；
Second execution unit 204 is used to, when the wind deflection angle is more than the second predetermined angle, perform yaw.
In the embodiment of the present application, which can be the mean wind speed in preset duration, or instantaneous wind
Speed does not limit specifically herein.
The trip bar that two parameters of wind speed and deviation of directivity angle is used to be yawed as yaw system in the embodiment of the present application
Part when carrying out wind wind speed less than target wind speed, using the first predetermined angle as yaw execution condition, is not less than carrying out wind wind speed
During target wind speed, using the second predetermined angle as yaw execution condition, wherein, the second predetermined angle is less than the first preset angle
Degree, so as to, come wind wind speed it is higher when, cause yaw system to carrying out wind as yaw condition using the second relatively low predetermined angle
It is sensitiveer, the utilization rate of wind energy is improved, optimizes the yaw control of wind power generating set.
The yaw control device provided in the present embodiment, only with the division of above-mentioned a functional unit carry out for example,
In practical application, above-mentioned function can be integrated in a functional unit as needed and is completed or by above-mentioned function distribution
It is completed by different functional units, not limited specifically.
The embodiment of the present application also provides a kind of computer program product, which refers to including computer software
It enables, which can be loaded to realize Yaw control method flow in previous embodiment by processor.
The embodiment of the present application also provides a kind of computer storage media, which is used to save as aforementioned connect
The computer software instructions used in terminal are received, including the program for execution designed by yaw control device.
In addition, yaw control device can perform the technology that terminal execution is sent in preceding method embodiment in the present embodiment
Scheme, implementing principle and technical effect are similar, and details are not described herein again.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function can have other dividing mode, such as multiple units or component in actual implementation
It may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or the network equipment etc.) performs the complete of each embodiment the method for the present invention
Portion or part steps.And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent replacement to which part technical characteristic；And these
Modification is replaced, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of Yaw control method, which is characterized in that including：
Yaw system acquisition comes wind information, it is described come wind information include wind speed and direction misalignment angle；
When the yaw system confirms that the wind speed is less than target wind speed, the yaw system judges the wind deflection angle
Whether the first predetermined angle is more than；
If so, the yaw system performs yaw；
When the yaw system confirms that the wind speed is not less than the target wind speed, the yaw system judges that the wind direction is inclined
Whether declinate degree is more than the second predetermined angle, and second predetermined angle is less than first predetermined angle；
If so, the yaw system performs yaw.
2. according to the method described in claim 1, it is characterized in that, the target wind speed is the mean wind speed in preset duration.
3. according to the method described in claim 2, it is characterized in that, the mean wind speed of the preset duration is being averaged in 10 seconds
7 metre per second (m/s) of wind speed.
4. method according to any one of claims 1 to 3, which is characterized in that first predetermined angle is 15 degree.
5. method according to any one of claims 1 to 3, which is characterized in that second predetermined angle is 10 degree.
6. a kind of yaw control device, which is characterized in that including：
Collecting unit carrys out wind information for acquiring, it is described come wind information include wind speed and direction misalignment angle；
First judging unit, for when yaw system confirms that the wind speed is less than target wind speed, judging the wind deflection angle
Whether degree is more than the first predetermined angle；
First execution unit, for when the wind deflection angle is more than the first predetermined angle, performing yaw；
Second judgment unit, for when the yaw system confirms that the wind speed is not less than the target wind speed, described in judgement
Whether wind deflection angle is more than the second predetermined angle, and second predetermined angle is less than first predetermined angle；
Second execution unit, for when the wind deflection angle is more than the second predetermined angle, performing yaw.
7. yaw control device according to claim 6, which is characterized in that the target wind speed is flat in preset duration
Equal wind speed.
8. a kind of computer program product for including instruction, which is characterized in that when run on a computer so that the meter
Calculation machine performs such as method described in any one of claim 1 to 5.
9. a kind of computer readable storage medium, including instruction, which is characterized in that when described instruction is run on computers,
So that computer performs the method as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481999.6A CN108194266A (en) | 2017-12-29 | 2017-12-29 | Yaw control method and yaw control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481999.6A CN108194266A (en) | 2017-12-29 | 2017-12-29 | Yaw control method and yaw control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194266A true CN108194266A (en) | 2018-06-22 |
Family
ID=62586832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481999.6A Pending CN108194266A (en) | 2017-12-29 | 2017-12-29 | Yaw control method and yaw control device |
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| Country | Link |
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| CN (1) | CN108194266A (en) |
Cited By (3)
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| CN110374807A (en) * | 2019-09-02 | 2019-10-25 | 中国船舶重工集团海装风电股份有限公司 | Wind power generating set soft stop control method and wind power generating set |
| CN110397554A (en) * | 2019-09-05 | 2019-11-01 | 国电联合动力技术有限公司 | Wind turbines Yaw control method, device and the Wind turbines of intelligent optimizing |
| CN110857683A (en) * | 2018-08-22 | 2020-03-03 | 阿里巴巴集团控股有限公司 | Yaw control method, device and equipment of wind driven generator |
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Application publication date: 20180622 |