CN107884596A - Wind-driven generator measuring wind speed value correction method and correcting device - Google Patents
Wind-driven generator measuring wind speed value correction method and correcting device Download PDFInfo
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- CN107884596A CN107884596A CN201610864133.2A CN201610864133A CN107884596A CN 107884596 A CN107884596 A CN 107884596A CN 201610864133 A CN201610864133 A CN 201610864133A CN 107884596 A CN107884596 A CN 107884596A
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- wind
- driven generator
- speed value
- value
- air speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
Abstract
The embodiment of the present invention provides a kind of wind-driven generator measuring wind speed value correction method and correcting device, wherein, this method includes：Obtain the service data with the same type of wind-driven generator of target wind-driven generator in coverage；According to the service data, the corresponding relation between the corresponding relation between the tachometer value of the wind-driven generator of the type and air speed value, and the performance number and air speed value of the wind-driven generator of the type is determined；According to the corresponding relation between the corresponding relation between the tachometer value and air speed value or the performance number and air speed value, the measuring wind speed value of the target wind-driven generator is modified.Wind-driven generator measuring wind speed value correction method and correcting device provided in an embodiment of the present invention, accurate air speed value can be obtained to be modified to the measuring wind speed value of wind-driven generator.
Description
Technical field
The present embodiments relate to technical field of wind power generation, more particularly to a kind of wind-driven generator measuring wind speed value amendment
Method and correcting device.
Background technology
With the continuous increase of wind-driven generator pool-size, how to improve unit operation efficiency, realize in maximum efficiency from
Conversion of the wind energy to electric energy, turn into the important content of wind generating technology research.In the control of wind power generating set, to wind speed
Judgement be to determine one of factor of wind power generating set control effect.To the Accurate Prediction of wind speed, wind-driven generator can be made
The control strategy of group is more perfect, and control effect is more excellent.
Mainly air speed value is measured using anemobiagraph or supersonic gas image sensor in wind power generating set at present.So
And in actual applications, air velocity transducer can because the mechanical friction of vane and the resistance of vane concave surface to the standard of measurement result
Exactness impacts, and the price of supersonic gas image sensor is costly, in batches using the cost that can make wind-driven generator
Abruptly increase, therefore, a kind of modification method and correcting device of wind-driven generator measuring wind speed value are needed badly, not increase hardware cost
On the premise of, obtain accurate air speed value.
The content of the invention
The embodiment of the present invention provides a kind of wind-driven generator measuring wind speed value correction method and correcting device, to wind-force
The measuring wind speed value of generator is modified, and obtains accurate air speed value.
First aspect of the embodiment of the present invention provides a kind of wind-driven generator measuring wind speed value correction method, and this method includes：
Obtain the service data with the same type of wind-driven generator of target wind-driven generator in coverage；
According to the service data, the corresponding pass between the tachometer value of the wind-driven generator of the type and air speed value is determined
System, and the corresponding relation between the performance number and air speed value of the wind-driven generator of the type；
According to the corresponding pass between the corresponding relation between the tachometer value and air speed value or the performance number and air speed value
System, is modified to the measuring wind speed value of the target wind-driven generator.
Second aspect of the embodiment of the present invention provides a kind of wind-driven generator measuring wind speed value correcting device, the correcting device bag
Include：
Acquisition module, for obtaining the operation in coverage with the same type of wind-driven generator of target wind-driven generator
Data；
Determining module, for according to the service data, determining the tachometer value and wind speed of the wind-driven generator of the type
Corresponding relation between corresponding relation between value, and the performance number and air speed value of the wind-driven generator of the type；
Correcting module, for according to the corresponding relation between the tachometer value and air speed value or the performance number and air speed value
Between corresponding relation, the measuring wind speed value of the target wind-driven generator is modified.
The embodiment of the present invention, sent out by obtaining all in system ovelay range and wind-force of target wind-driven generator same type
The service data of motor, and by those service datas carry out statistical analysis obtain the type wind-driven generator tachometer value and
Corresponding relation between air speed value, and the corresponding relation between performance number and air speed value, so as to according to the type wind-power electricity generation
The corresponding relation between corresponding relation or performance number and air speed value corresponding to machine between tachometer value and air speed value, is realized to target
The amendment of the measuring wind speed value of wind-driven generator.Due in the embodiment of the present invention, being by all in system ovelay range
Carry out statistical analysis with the service data of the wind-driven generator of target wind-driven generator same type, obtain tachometer value and air speed value it
Between corresponding relation, and the corresponding relation between performance number and air speed value, therefore, for the type wind-driven generator and
Speech, the corresponding relation between the corresponding relation between the tachometer value and air speed value, and the performance number and air speed value is with more general
All over property, after being modified according to above-mentioned corresponding relation to measuring wind speed value, the correction value of acquisition is closer to true air speed value, therefore
The accuracy of air speed value measured value can be effectively improved.And in the present invention, the coverage of wind generator system can wrap
Multiple different regions are included, are acquired by the service data for the numerous wind-driven generators being pointed in different zones, can
Just collection obtains the data of various wind speed within a short period of time, compensate for single wind generator wind speed segment limit in the short term
Small deficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is wind power generating set running status area schematic provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet for the wind-driven generator measuring wind speed value correction method that the embodiment of the present invention one provides；
Fig. 3 is the application scenarios signal for the wind-driven generator measuring wind speed value correction method that one embodiment of the invention provides
Figure；
Fig. 4 is the method schematic diagram of corresponding relation between the determination tachometer value that one embodiment of the invention provides and air speed value；
Fig. 5 is the method schematic diagram of corresponding relation between the determination performance number and air speed value that one embodiment of the invention provides；
Fig. 6 is the structural representation for the wind-driven generator measuring wind speed value correcting device that one embodiment of the invention provides；
Fig. 7 is the structural representation for the first determination sub-module 121 that one embodiment of the invention provides；
Fig. 8 is the structural representation for the first determination sub-module 121 that further embodiment of this invention provides.
Embodiment
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 carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The term " comprising " and " having " of description and claims of this specification and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, the device for the process or structure for containing series of steps is not necessarily limited to clearly arrange
It is that those structures or step for going out but may include are not listed clearly or for the intrinsic other steps of these processes or device
Rapid or structure.
Fig. 1 is wind power generating set running status area schematic provided in an embodiment of the present invention, as shown in figure 1, becoming oar
Running status region away from wind-driven generator is generally divided into promoter region 101, power coefficient Cp constant regions 102, invariablenes turning speed
Area 103, power invariability area 104 totally four running status regions.Wind-driven generator measuring wind speed value amendment involved in the present invention
Method, mainly by the average function of big data come the wind of all same types in statistical analysis wind generator system coverage
Power generator A-B, B-C, C-D operation shapes in Cp constant regions 102, invariablenes turning speed area 103, power invariability area 104, i.e. Fig. 1
The service data in state region, so as to obtain the corresponding relation between the tachometer value of same type wind-driven generator and air speed value, and
Corresponding relation between performance number and air speed value, and according to corresponding to same type wind-driven generator between tachometer value and air speed value
Corresponding relation between corresponding relation, or performance number and air speed value, the measuring wind speed value of same type wind-driven generator is carried out
Amendment, to reach the purpose for obtaining accurate air speed value.Wherein, the service data being related in the embodiment of the present invention includes wind-force
Air speed value, running status region, power data and the rotary speed data of generator.
Explanation is needed exist for, the service data of wind-driven generator according to coverage of the embodiment of the present invention is carried out
, it is necessary to remove service data when wind driven generator yaw starts during wind speed amendment, because wind-driven generator is when being gone off course,
Rotating speed can decline, and service data at this moment does not possess reference value, if these data, which are taken into account, can influence wind speed amendment
Accuracy.
Fig. 2 is the schematic flow sheet for the wind-driven generator measuring wind speed value correction method that the embodiment of the present invention one provides, should
Method can be performed by a wind-driven generator measuring wind speed value update the system (hereinafter referred to as system).As shown in Fig. 2 this implementation
The method that example provides comprises the following steps.
Step S101, obtain in wind generator system coverage with the same type of wind-power electricity generation of target wind-driven generator
The service data of machine.
" coverage " being related in the present embodiment is the coverage of system, i.e. wind generator system can be gathered or connect
Receive the maximum magnitude of wind-driven generator service data.The size of the scope can be depending on the communication capacity of system, this implementation
Do not limited in example.But generally, the coverage does not only include the scope of a wind power plant, can also include full generation
Multiple wind power plants in the range of boundary.
" the target wind-driven generator " being related in the present embodiment is pending measuring wind speed value amendment under system ovelay range
Wind-driven generator.
Air speed value of " service data " being related in the present embodiment including wind-driven generator, running status region, power number
According to and rotary speed data.
In practical application, system can be by the way of obtaining in real time, and system server is actively under its coverage
Service data corresponding to being obtained in each wind-driven generator, is further filtered out and target wind from the service data got again
The service data of the wind-driven generator of power generator same type, it can also directly be covered according to the type of target wind-driven generator from it
The service data of generator in the wind with target wind-driven generator same type is obtained in wind-driven generator under lid scope.Especially
, system can also set a database to be used for storage system active obtaining or the service data passively received, when to mesh
When the measuring wind speed value of mark wind-driven generator is modified, it can be obtained directly from data and target wind-driven generator same type
All service datas of the wind-driven generator in preset time range.Wherein, the length of the preset time range can basis
It is specific to need specific setting, it is not specifically limited in the present embodiment.
Fig. 3 is the application scenarios signal for the wind-driven generator measuring wind speed value correction method that one embodiment of the invention provides
Figure.By taking Fig. 3 as an example, the wind generator system shown in Fig. 3 includes correcting device 202, and the wind-force hair in system ovelay range
Motor 203.Wind-driven generator 203 is not limited to quantity shown in figure.Wherein, the coverage of wind generator system is whole in Fig. 3
The individual earth, i.e. system can be acquired to the service data of whole tellurian wind-driven generator, and to each wind on the earth
The measuring wind speed value of power generator is modified.
Particularly, in order to reduce influence of the temperature value to statistics, the comparability of air speed value, wind-driven generator are strengthened
The air speed value measured is being sent to before correcting device 202 or correcting device 202 receives the air speed value of wind-driven generator upload
Afterwards, the air speed value that can be measured wind-driven generator is converted to the air speed value under standard air density.Preferably, the present embodiment
In, the measuring wind speed value of wind-driven generator can be converted into temperature for the wind corresponding to the atmospheric density under 0 degree Celsius of environment
Speed value.
Specifically, the principle that measuring wind speed value is converted to the air speed value under standard air density is public using wind energy concentration
Formula：
In formula, ρ is atmospheric density (Kilograms Per Square Meter)；V is wind speed (meter per second)；T is action time (second)；S is wind energy
The area of section (square metre) of effect.For same type of wind-driven generator, when the effect of blade is blown over due to wind energy
Between t be identical, and length of blade is consistent, so the area of section s of wind energy effect is identical；It is assumed that wind-driven generator
The atmospheric density of 1 position is ρ1, air speed value v1；The atmospheric density of the position of wind-driven generator 2 is ρ2, air speed value is
v1；Wherein wind-driven generator 1 and the wind-driven generator that wind-driven generator 2 is two same types, to make wind-driven generator 1, wind
The wind of the present position of power generator 2 produces same wind energy (being set to E), then the wind energy formula of the position of wind-driven generator 1 is：
The wind energy formula of the position of wind-driven generator 2 is：
According to formula (2), formula (3), wind-driven generator 1 can be obtained, the wind speed relation of the present position of wind-driven generator 2 is：
ρ1v1 3=ρ2v2 3 (4)
From formula (1), cube inverse relation of identical wind energy, atmospheric density and air speed value is produced, is joined at other
In the case that number is constant, atmospheric density is different, and wind energy is just different；If standard air density is ρ0, corresponding standard air density
Under air speed value be v0, then have：
ρ1v1 3=ρ2v2 3=ρ0v0 3 (5)
Air speed value can be converted according to the atmospheric density of different wind-driven generator present positions it can be seen from formula (5)
For same substandard air speed value；And the wind energy of wind-driven generator present position is of different sizes, its generated output also can be different, institute
After by the unified conversion of air speed value for the air speed value under standard air density, the wind of different wind-driven generator present positions can be made
It can convert as same substandard wind energy value, so that air speed value has more preferable comparability.Wherein, residing for wind-driven generator
The atmospheric density of position can be obtained by baroceptor measurement.
Fig. 2 is turned again to, in fig. 2, in addition to step S102, according to the service data, determines the wind of the type
Corresponding relation between the tachometer value and air speed value of power generator, and the performance number and wind speed of the wind-driven generator of the type
Corresponding relation between value.
In the present embodiment, obtained and target wind generator class identical wind-power electricity generation according to step S101 method
After the service data of machine, it is preferred that can obtain the type wind-force according to those service datas by the method for statistical analysis and send out
The corresponding relation between tachometer value and air speed value when motor is operated in Cp constant regions and power invariability area, and the wind of the type
The corresponding relation between performance number and air speed value when power generator is operated in invariablenes turning speed area.Wherein, above-mentioned corresponding relation can
To be the corresponding relation between the functional relation or concrete numerical value obtained according to statistical analysis, such as specific tachometer value
Corresponding relation, or specific corresponding relation between performance number and specific air speed value are obtained with specific air speed value.
Specifically, Fig. 4 is the method for corresponding relation between the determination tachometer value that one embodiment of the invention provides and air speed value
Schematic diagram, as shown in figure 4, this method comprises the following steps：
Step S11, from the service data, each wind-driven generator for obtaining the type is permanent in Cp constant regions and power
Determine the first service data in area.
, can be from the wind-driven generator with target wind-driven generator same type when performing this step in practical application
Service data (the i.e. first operation number for the wind-driven generator for operating in Cp constant regions and power invariability area is filtered out in service data
According to).
In Fig. 4, in addition to step S12, according to first service data, each wind-driven generator of the type is obtained
Corresponding first air speed value in same tachometer value, wherein, first air speed value measures for the wind-driven generator of the type
Air speed value of the correspondence under standard air density.
By taking tachometer value V as an example, after the first service data is obtained, each wind-driven generator is filtered out from the first service data
Air speed value when tachometer value is V.And so on, obtain air speed value corresponding to each wind-driven generator during other tachometer values.
In Fig. 4, in addition to step S13, according to each wind-driven generator of the type in same tachometer value it is corresponding
First air speed value, determine the first mean wind speed value corresponding to the tachometer value.
Still by taking tachometer value V as an example, when obtaining tachometer value V after the air speed value of each wind-driven generator, those air speed values are entered
Row is averaging computing, mean wind speed value corresponding to acquisition tachometer value V, by that analogy, obtains average wind corresponding to other tachometer values
Speed value.
In Fig. 4, in addition to step S14, the correspondence established between the tachometer value and the first mean wind speed value are closed
System.
In the present embodiment, pass through operation number of each wind-driven generator to same type in Cp constant regions and power invariability area
According to statistical analysis is carried out, obtain between tachometer value and the air speed value when wind-driven generator is operated in Cp constant regions and power invariability area
Corresponding relation, enable to the corresponding relation between the tachometer value of wind-driven generator and air speed value more targeted, can
Corresponding tachometer value and the corresponding relation of air speed value enough are determined for different running status regions, is surveyed so as to further improve wind speed
The accuracy of examination value amendment.
Fig. 5 is the method schematic diagram of corresponding relation between the determination performance number and air speed value that one embodiment of the invention provides,
As shown in figure 5, this method comprises the following steps：
Step S21, from the service data, obtain of each wind-driven generator of the type in invariablenes turning speed area
Two service datas.
In Figure 5, in addition to step S22, according to second service data, each wind-driven generator of the type is obtained
Corresponding second air speed value in same performance number, wherein, second air speed value measures for the wind-driven generator of the type
Air speed value of the correspondence under standard air density.
In Figure 5, in addition to step S23, according to each wind-driven generator of the type in same performance number it is corresponding
Second air speed value, determine the second mean wind speed value corresponding to the performance number.
In Figure 5, in addition to step S24, the correspondence established between the performance number and the second mean wind speed value are closed
System.
The executive mode and beneficial effect of the present embodiment are similar with embodiment illustrated in fig. 4, repeat no more herein.
In fig. 2, in addition to step S103, according to the corresponding relation between the tachometer value and air speed value or the power
Corresponding relation between value and air speed value, is modified to the measuring wind speed value of the target wind-driven generator.
In practical application, it is determined that with the tachometer value and air speed value of the wind-driven generator of target wind-driven generator same type it
Between corresponding relation, and after corresponding relation between performance number and air speed value, optionally, system can be actively from target wind-force
The running status region residing for target wind-driven generator is obtained at generator, can also passively receive the transmission of target wind-driven generator
Wind speed test value amendment request, the running status region of target wind-driven generator is obtained from the request.
Need exist for illustrating, in practical application, determine the implementation procedure in target running status of wind generator region,
It can be carried out simultaneously with the arbitrary steps in above-mentioned any embodiment, can also be in the advance of method shown in above-mentioned all embodiments
OK.
Further, can be system according to target when the wind speed test value to target wind-driven generator is modified
Running status region residing for wind-driven generator, by the tachometer value and wind speed with target wind-driven generator same type wind-driven generator
The corresponding relation between corresponding relation or performance number and air speed value between value, is sent to target wind-driven generator, so that target
The tachometer value and the corresponding relation of air speed value or performance number and the corresponding relation of air speed value that wind-driven generator issues according to system, it is right
Its own measuring wind speed value measured is modified.Can also be running status region of the system according to target wind-driven generator,
Selection and the corresponding relation between the tachometer value and air speed value of target wind-driven generator same type wind-driven generator or performance number and
Corresponding relation between air speed value, the measuring wind speed value of target wind-driven generator is modified, and will be repaiied after completing to correct
Positive result returns to target wind-driven generator.
For example when target wind-driven generator operates in Cp constant regions or power invariability area, it can first determine target wind-force
The current tachometer value of generator, further according to the corresponding relation between corresponding tachometer value and air speed value, determine target wind-power electricity generation
Machine in the current situation ought to corresponding to air speed value, so as to being entered according to the air speed value to the measuring wind speed value of target wind-driven generator
Row amendment.
For another example, when target wind-driven generator operates in invariablenes turning speed area, it can first determine that target wind-driven generator is worked as
Preceding performance number, further according to the corresponding relation between corresponding performance number and air speed value, determine target wind-driven generator current
In the case of ought to corresponding to air speed value, so as to being modified according to the air speed value to the measuring wind speed value of target wind-driven generator.
For another example, when target wind-driven generator operates in invariablenes turning speed area, the current power of target wind-driven generator can first be determined
Value, further according to the corresponding relation between corresponding performance number and air speed value, determines that target wind-driven generator is managed in the current situation
The measuring wind speed value of reply reply target wind-driven generator is modified.
Explanation is needed exist for, for the ease of being compared to air speed value, in the wind speed survey to target wind-driven generator
When value is modified, the air speed value that first should be converted into the measuring wind speed value of target wind-driven generator under standard air density,
Further complete the amendment to the measuring wind speed value of target wind-driven generator.
The embodiment of the present invention, sent out by obtaining all in system ovelay range and wind-force of target wind-driven generator same type
The service data of motor, and by those service datas carry out statistical analysis obtain the type wind-driven generator tachometer value and
Corresponding relation between air speed value, and the corresponding relation between performance number and air speed value, so as to according to the type wind-power electricity generation
The corresponding relation between corresponding relation or performance number and air speed value corresponding to machine between tachometer value and air speed value, is realized to target
The amendment of the measuring wind speed value of wind-driven generator.Due in the embodiment of the present invention, being by all in system ovelay range
Carry out statistical analysis with the service data of the wind-driven generator of target wind-driven generator same type, obtain tachometer value and air speed value it
Between corresponding relation, and the corresponding relation between performance number and air speed value, therefore, for the type wind-driven generator and
Speech, the corresponding relation between the corresponding relation between the tachometer value and air speed value, and the performance number and air speed value is with more general
All over property, after being modified according to above-mentioned corresponding relation to measuring wind speed value, the correction value of acquisition is closer to true air speed value, therefore
The accuracy of air speed value measured value can be effectively improved.And in the present invention, the coverage of system can include it is multiple not
With region, be acquired by the service data for the numerous wind-driven generators being pointed in different zones, can be when shorter
Interior just collection obtains the data of various wind speed, and compensate for single wind generator, wind speed segment limit is small not in the short term
Foot.
Fig. 6 is the structural representation for the wind-driven generator measuring wind speed value correcting device that one embodiment of the invention provides, such as
Shown in Fig. 6, the system includes：
Acquisition module 11, for obtaining the fortune in coverage with the same type of wind-driven generator of target wind-driven generator
Row data；
Determining module 12, for according to the service data, determining the tachometer value and wind of the wind-driven generator of the type
Corresponding relation between speed value, and the corresponding relation between the performance number and air speed value of the wind-driven generator of the type；
Correcting module 13, for according to the corresponding relation between the tachometer value and air speed value or the performance number and wind speed
Corresponding relation between value, the measuring wind speed value of the target wind-driven generator is modified.
Wherein, the service data includes air speed value, running status region, power data and rotary speed data, wherein, it is described
Running status region includes Cp constant regions, invariablenes turning speed area, power invariability area.
The acquisition module 11, it is same with target wind-driven generator in coverage specifically for from database, obtaining
Service data of the wind-driven generator of type in preset time range.
The determining module 12, including：
First determination sub-module 121, for according to the service data, determining that the wind-driven generator of the type is operated in
The corresponding relation between tachometer value and air speed value when Cp constant regions and power invariability area, and the wind-driven generator of the type
The corresponding relation between performance number and air speed value when being operated in invariablenes turning speed area.
The correcting module 13, including：
Second determination sub-module 131, for determining the running status region of target wind-driven generator；
Submodule 132 is corrected, for the running status region according to the target wind-driven generator, it is determined that using described turn
The corresponding relation between corresponding relation or the performance number and air speed value between speed value and air speed value, to target wind-driven generator
Measuring wind speed value be modified.
The amendment submodule 132, is specifically used for：
When the target wind-driven generator operates in Cp constant regions or power invariability area, according to the tachometer value and wind speed
Corresponding relation between value, the measuring wind speed value of target wind-driven generator is modified.
When the target wind-driven generator operates in invariablenes turning speed area, according to pair between the performance number and air speed value
It should be related to, the measuring wind speed value of target wind-driven generator is modified.
The device that the present embodiment provides can be used in the method for performing embodiment illustrated in fig. 2, its executive mode and beneficial effect
Fruit seemingly, repeats no more herein.
Fig. 7 is the structural representation for the first determination sub-module 121 that one embodiment of the invention provides, as shown in fig. 7, scheming
On the basis of 6, the first determination sub-module 121 includes：
First determination subelement 1211, is used for：
From the service data, each wind-driven generator of the type is obtained in Cp constant regions and power invariability area
First service data；
According to first service data, each wind-driven generator of the type is obtained in same tachometer value corresponding
One air speed value, wherein, first air speed value for the type the correspondence that measures of wind-driven generator under standard air density
Air speed value；
According to each wind-driven generator of the type in same tachometer value corresponding first air speed value, determine the rotating speed
First mean wind speed value corresponding to value；
The corresponding relation established between the tachometer value and the first mean wind speed value.
The device that the present embodiment provides can be used in the method for performing embodiment illustrated in fig. 4, its executive mode and beneficial effect
Fruit seemingly, repeats no more herein.
Fig. 8 is the structural representation for the first determination sub-module 121 that further embodiment of this invention provides, as shown in figure 8,
On the basis of Fig. 6, the first determination sub-module 121 includes：
Second determination subelement 1212, is used for：
From the service data, second operation number of each wind-driven generator of the type in invariablenes turning speed area is obtained
According to；
According to second service data, each wind-driven generator of the type is obtained in same performance number corresponding
Two air speed values, wherein, second air speed value for the type the correspondence that measures of wind-driven generator under standard air density
Air speed value；
According to each wind-driven generator of the type in same performance number corresponding second air speed value, determine the power
Second mean wind speed value corresponding to value；
The corresponding relation established between the performance number and the second mean wind speed value.
The device that the present embodiment provides can be used in the method for performing embodiment illustrated in fig. 5, its executive mode and beneficial effect
Fruit seemingly, repeats no more herein.
It is last it should be noted that one of ordinary skill in the art will appreciate that whole in above-described embodiment method or
Part flow, it is that by computer program the hardware of correlation can be instructed to complete, described program can be stored in a computer
In readable storage medium storing program for executing, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, it is described to deposit
Storage media can be disk, CD, read-only memory (ROM) or random access memory (RAM) etc..
Each functional unit in the embodiment of the present invention can be integrated in a processing module or unit
Individually be physically present, can also two or more units be integrated in a module.Above-mentioned integrated module both can be with
Realized, can also be realized in the form of software function module in the form of hardware.If the integrated module is with software
The form of functional module realizes, and computer-readable is deposited as independent production marketing or in use, one can also be stored in
In storage media.Storage medium mentioned above can be read-only storage, disk or CD etc..
Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing each reality
Example is applied the present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each
Technical scheme described in embodiment is modified, and either carries out equivalent substitution to which part or all technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (16)
- A kind of 1. wind-driven generator measuring wind speed value correction method, it is characterised in that including：Obtain the service data with the same type of wind-driven generator of target wind-driven generator in coverage；According to the service data, the corresponding relation between the tachometer value of the wind-driven generator of the type and air speed value is determined, And the corresponding relation between the performance number and air speed value of the wind-driven generator of the type；It is right according to the corresponding relation between the corresponding relation between the tachometer value and air speed value or the performance number and air speed value The measuring wind speed value of the target wind-driven generator is modified.
- 2. according to the method for claim 1, it is characterised in that the service data include air speed value, running status region, Power data and rotary speed data, wherein, the running status region includes Cp constant regions, invariablenes turning speed area, power invariability area.
- 3. according to the method for claim 2, it is characterised in that same with target wind-driven generator in the acquisition coverage The service data of the wind-driven generator of one type, including：Obtain coverage in operation of the same type of wind-driven generator of target wind-driven generator in preset time range Data.
- 4. according to the method for claim 2, it is characterised in that it is described according to the service data, determine the type Corresponding relation between the tachometer value and air speed value of wind-driven generator, and the performance number and wind of the wind-driven generator of the type Corresponding relation between speed value, including：According to the service data, determine to turn when the wind-driven generator of the type is operated in Cp constant regions and power invariability area Corresponding relation between speed value and air speed value, and the performance number when wind-driven generator of the type is operated in invariablenes turning speed area Corresponding relation between air speed value.
- 5. according to the method for claim 4, it is characterised in that it is described according to the service data, determine the type The corresponding relation between tachometer value and air speed value when wind-driven generator is operated in Cp constant regions and power invariability area, including：From the service data, first of each wind-driven generator of the type in Cp constant regions and power invariability area is obtained Service data；According to first service data, each wind-driven generator of the type corresponding first wind in same tachometer value is obtained Speed value, wherein, first air speed value for the type wind of the correspondence that measures of wind-driven generator under standard air density Speed value；According to each wind-driven generator of the type in same tachometer value corresponding first air speed value, determine the tachometer value pair The the first mean wind speed value answered；The corresponding relation established between the tachometer value and the first mean wind speed value.
- 6. according to the method for claim 4, it is characterised in that it is described according to the service data, determine the type Corresponding relation between performance number and air speed value of the wind-driven generator in invariablenes turning speed area, including：From the service data, second service data of each wind-driven generator of the type in invariablenes turning speed area is obtained；According to second service data, each wind-driven generator of the type corresponding second wind in same performance number is obtained Speed value, wherein, second air speed value for the type wind of the correspondence that measures of wind-driven generator under standard air density Speed value；According to each wind-driven generator of the type in same performance number corresponding second air speed value, determine the performance number pair The the second mean wind speed value answered；The corresponding relation established between the performance number and the second mean wind speed value.
- 7. according to the method any one of claim 1-6, it is characterised in that described according to the tachometer value and air speed value Between corresponding relation or the performance number and air speed value between corresponding relation, to the measuring wind speed value of target wind-driven generator It is modified, including：Determine the running status region of target wind-driven generator；According to the running status region of the target wind-driven generator, it is determined that using the correspondence between the tachometer value and air speed value Corresponding relation between relation or the performance number and air speed value, the measuring wind speed value of target wind-driven generator is modified.
- 8. according to the method for claim 7, it is characterised in that the running status according to the target wind-driven generator Region, it is determined that using the corresponding pass between the corresponding relation between the tachometer value and air speed value or the performance number and air speed value System, is modified to the measuring wind speed value of target wind-driven generator, including：When the target wind-driven generator operates in Cp constant regions or power invariability area, according to the tachometer value and air speed value it Between corresponding relation, the measuring wind speed value of target wind-driven generator is modified；When the target wind-driven generator operates in invariablenes turning speed area, according to the corresponding pass between the performance number and air speed value System, is modified to the measuring wind speed value of target wind-driven generator.
- A kind of 9. wind-driven generator measuring wind speed value correcting device, it is characterised in that including：Acquisition module, for obtaining the operation number in coverage with the same type of wind-driven generator of target wind-driven generator According to；Determining module, for according to the service data, determine the wind-driven generator of the type tachometer value and air speed value it Between corresponding relation, and the corresponding relation between the performance number and air speed value of the wind-driven generator of the type；Correcting module, for according between the corresponding relation between the tachometer value and air speed value or the performance number and air speed value Corresponding relation, the measuring wind speed value of the target wind-driven generator is modified.
- 10. correcting device according to claim 9, it is characterised in that the service data includes air speed value, running status Region, power data and rotary speed data, wherein, the running status region includes Cp constant regions, invariablenes turning speed area, power invariability Area.
- 11. correcting device according to claim 10, it is characterised in that the acquisition module, covered specifically for obtaining In the range of service data with the same type of wind-driven generator of target wind-driven generator in preset time range.
- 12. correcting device according to claim 10, it is characterised in that the determining module, including：First determination sub-module, it is constant that the wind-driven generator for according to the service data, determining the type is operated in Cp The corresponding relation between tachometer value and air speed value when area and power invariability area, and the wind-driven generator of the type are operated in The corresponding relation between performance number and air speed value during invariablenes turning speed area.
- 13. correcting device according to claim 12, it is characterised in that first determination sub-module, including：First determination subelement, is used for：From the service data, first of each wind-driven generator of the type in Cp constant regions and power invariability area is obtained Service data；According to first service data, each wind-driven generator of the type corresponding first wind in same tachometer value is obtained Speed value, wherein, first air speed value for the type wind of the correspondence that measures of wind-driven generator under standard air density Speed value；According to each wind-driven generator of the type in same tachometer value corresponding first air speed value, determine the tachometer value pair The the first mean wind speed value answered；The corresponding relation established between the tachometer value and the first mean wind speed value.
- 14. correcting device according to claim 12, it is characterised in that first determination sub-module, including：Second determination subelement, is used for：From the service data, second service data of each wind-driven generator of the type in invariablenes turning speed area is obtained；According to second service data, each wind-driven generator of the type corresponding second wind in same performance number is obtained Speed value, wherein, second air speed value for the type wind of the correspondence that measures of wind-driven generator under standard air density Speed value；According to each wind-driven generator of the type in same performance number corresponding second air speed value, determine the performance number pair The the second mean wind speed value answered；The corresponding relation established between the performance number and the second mean wind speed value.
- 15. according to the correcting device any one of claim 9-14, it is characterised in that the correcting module, including：Second determination sub-module, for determining the running status region of target wind-driven generator；Correct submodule, for the running status region according to the target wind-driven generator, it is determined that using the tachometer value and The corresponding relation between corresponding relation or the performance number and air speed value between air speed value, to the wind speed of target wind-driven generator Measured value is modified.
- 16. correcting device according to claim 15, it is characterised in that the amendment submodule, be specifically used for：When the target wind-driven generator operates in Cp constant regions or power invariability area, according to the tachometer value and air speed value it Between corresponding relation, the measuring wind speed value of target wind-driven generator is modified.When the target wind-driven generator operates in invariablenes turning speed area, according to the corresponding pass between the performance number and air speed value System, is modified to the measuring wind speed value of target wind-driven generator.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334423A (en) * | 2007-06-18 | 2008-12-31 | 通用电气公司 | Anemometer calibration method and wind turbine |
| CN102562450A (en) * | 2012-01-12 | 2012-07-11 | 三一电气有限责任公司 | Wind driven generator and pitch control method and pitch control system thereof |
| CN102859184A (en) * | 2010-04-13 | 2013-01-02 | 歌美飒创新技术公司 | Methods for monitoring wind turbines |
| CN103967702A (en) * | 2014-04-25 | 2014-08-06 | 河海大学 | Full-wind-speed frequency response control method for doubly-fed wind generator |
| CN104451380A (en) * | 2014-12-22 | 2015-03-25 | 武汉科技大学 | Niobium-molybdenum composite micro-alloying high-strength banitic steel and preparation method thereof |
| CN104794347A (en) * | 2015-04-22 | 2015-07-22 | 中国大唐集团新能源股份有限公司 | Wind turbine generator set engine room transfer function subregional fitting method |
| CN105138845A (en) * | 2015-08-28 | 2015-12-09 | 东方电气风电有限公司 | Method for acquiring wind speed value of wind driven generator |
| CN105628977A (en) * | 2015-12-31 | 2016-06-01 | 新疆金风科技股份有限公司 | Calibration method, device and system of anemometer correction coefficient |
-
2016
- 2016-09-29 CN CN201610864133.2A patent/CN107884596A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334423A (en) * | 2007-06-18 | 2008-12-31 | 通用电气公司 | Anemometer calibration method and wind turbine |
| CN102859184A (en) * | 2010-04-13 | 2013-01-02 | 歌美飒创新技术公司 | Methods for monitoring wind turbines |
| CN102562450A (en) * | 2012-01-12 | 2012-07-11 | 三一电气有限责任公司 | Wind driven generator and pitch control method and pitch control system thereof |
| CN103967702A (en) * | 2014-04-25 | 2014-08-06 | 河海大学 | Full-wind-speed frequency response control method for doubly-fed wind generator |
| CN104451380A (en) * | 2014-12-22 | 2015-03-25 | 武汉科技大学 | Niobium-molybdenum composite micro-alloying high-strength banitic steel and preparation method thereof |
| CN104794347A (en) * | 2015-04-22 | 2015-07-22 | 中国大唐集团新能源股份有限公司 | Wind turbine generator set engine room transfer function subregional fitting method |
| CN105138845A (en) * | 2015-08-28 | 2015-12-09 | 东方电气风电有限公司 | Method for acquiring wind speed value of wind driven generator |
| CN105628977A (en) * | 2015-12-31 | 2016-06-01 | 新疆金风科技股份有限公司 | Calibration method, device and system of anemometer correction coefficient |
Non-Patent Citations (2)
| Title |
|---|
| 国家质量监督检验检疫总局: "GB/T18451.2-2003 风力发电机组 功率特性试验", 《中华人民共和国国家标准》 * |
| 杨旭华: "IEC标准在风机实际功率曲线测定中的应用", 《电网与清洁能源》 * |
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