CN106246467A - The wind-driven power generation control system of wind power plant and control method thereof - Google Patents
The wind-driven power generation control system of wind power plant and control method thereof Download PDFInfo
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- CN106246467A CN106246467A CN201610156839.3A CN201610156839A CN106246467A CN 106246467 A CN106246467 A CN 106246467A CN 201610156839 A CN201610156839 A CN 201610156839A CN 106246467 A CN106246467 A CN 106246467A
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- 238000010248 power generation Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009165 androgen replacement therapy Methods 0.000 description 50
- 238000010276 construction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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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
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
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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
- F03D7/048—Automatic control; Regulation by means of an electrical or electronic controller controlling wind farms
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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
- F05B2260/00—Function
- F05B2260/82—Forecasts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/40—Type of control system
- F05B2270/404—Type of control system active, predictive, or anticipative
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to wind-driven power generation control system and the control method of a kind of wind power plant, described wind-driven power generation control system includes centralized Control platform and the wind power plant by described centralized Control platform courses, described wind power plant includes some wind power generation plants arranged according to physical features, the Wind regime measurement device set along with each wind power generation plant and the wind control device of the described wind power generation plant rotating speed of control, described centralized Control platform includes control module group, communication interface and memory module group, described control module group includes wind set modules, forecasting wind speed module, output prediction module, output decision module, rotational speed control module.It is true and stable that this system and method can make windage scale calculate accurately, thus preferably suppresses the variation of the power from wind power plant output, maintains the technology of constant output.
Description
Technical field
The invention belongs to wind-power electricity generation control field, particularly to the wind-force of a kind of wind power plant
Power-generating control system and control method thereof.
Background technology
To each meteorological data of fan monitor of weather gage in wind power plant, can predict whole
The wind speed variation of individual wind power plant, can adjust the work of each blower fan in time according to above-mentioned variation
Make state, and then change the electric power output of whole wind power plant.Thus how to determine any typhoon
Machine is that the wind power generation plant of windward is extremely important, in prior art, has people whole wind field
The adjacent locations of wind-driven generator be assembled with aerograph, when wind-force changes, aerograph will
Incremental data passes to control system, and control system has new wind according to which typhoon power generator
Variation meteorological data, determines that it is and most goes up wind apparatus, is then calculated by equation below 1
The delay of other blower fans.
T_delay=Lcosθ/V
As patent CN101994651B discloses relevant computational methods, logical in this patent document
Cross central control device each independent control device is indicated, in order to calculate in the expected time of arrival
Between the construction quality of output of constant maintenance wind power plant, control with being consistent with construction quality
Each wind power generation plant.But in actual applications, wind speed and direction is all not stop change,
Strong variations in the given time makes the calculating of scheduled period error occur, pre-to next step
Surveying to produce greatly affects；Windward position device choose whether appropriate, prediction can be affected,
Within the predetermined time, especially because landform and the restriction of landforms, windage scale is not calculated accurately really.
When wind direction is uncertain, error is bigger.
Summary of the invention
The present invention proposes to solve above-mentioned problem, its object is to provide a kind of wind-force
The wind-driven power generation control system of generating field and control method, can make windage scale calculate accurately true and stable,
Thus preferably suppress the variation of the power from wind power plant output, maintain the skill of constant output
Art.
In order to solve above-mentioned problem, the invention provides the wind-power electricity generation control of a kind of wind power plant
System processed, described wind-driven power generation control system includes centralized Control platform and by described centralized Control
The wind power plant of platform courses, described wind power plant includes some wind-force arranged according to physical features
TRT, the Wind regime measurement device set along with each wind power generation plant and control are described
The wind control device of wind power generation plant rotating speed, described centralized Control platform includes control module
Group, communication interface and memory module group, described control module group includes wind set modules, wind speed
Prediction module, output prediction module, output decision module, rotational speed control module；
Described Wind regime measurement device transmits through described communication interface after measuring wind-force and wind direction data
To described control group module；
Described control module group determines least one set windward position wind according to the changing value of wind-force and wind direction
Unit and several lee gauge machine；Described windward position blower fan group includes a center TRT,
And it is no less than high-order TRT, low level TRT and/or the level generating dress of one respectively
Put；
Described wind set modules by communication interface obtain blower fan each TRT of group wind-force and
Wind direction data, and transmit to forecasting wind speed module；Described forecasting wind speed module is for according to described
The average wind of windward position blower fan group and wind direction, and described lee gauge blower fan is relative on described
The distance of wind position blower fan group and angle predict that described each lee gauge blower fan is at Fixed Time Interval
Wind speed changes；Described output prediction module according to aforementioned determine certain group for after windward generating set,
Output prediction module receives instruction, calculates after a predetermined time, the output variation of whole wind field,
And each wind power generating set output variation, and the output variation of certain blower fan；Described defeated
Go out decision module for determining the real output of each described wind power generation plant；Described turn
Speed control module, for the real output calculated according to gone out decision module, controls described
The actual speed of wind power generation plant.
Preferred version further, described control module group also include wind speed comparison module and in
Heart electromotor selects module, and described wind speed comparison module is used for comparing in the blower fan group of windward position each
The actual wind speed of TRT and mean wind speed, and select module transmission to compare to center electromotor
Data, and generating fills centered by its module is selected and compared the TRT that in data, difference is minimum
Put.
Further, described control module group also includes group correcting module；When wind speed changes,
Difference before and after the TRT wind speed change of center, is recorded according to certain intervals, and with
The movement threshold that group correcting module is preset compares；When exceeding predetermined threshold value, pre-to wind speed
Survey module and send request, transfer already recorded data in a high position, low level, horizontal TRT and enter
Row similarity-rough set.In specified value, windward position wind whether it is combined according to similarity size
Unit.
Further, described memory module group also includes history storage area, for by arbitrary
The relevant position of the windward position blower fan group of combination is combined with its wind-engaging wind direction, and numbering stores.
Further, described control module group also includes initialization module, when windward position wind
The Wind regime measurement device of unit detects becalms or time wind vector exceedes predetermined threshold value, by just
Windward position blower fan group is initialized by beginningization module, dismisses group.Change side according to wind direction
To, with windward position blower fan group during the direction in the historical record of memory module group as reference,
As initial windward position blower fan group.
The control system of the present invention another be improved by: described memory module group also includes ground
Table characteristic storage region, is used for according to the terrestrial reference feature record between each blower fan position and carries out
Error Calculation；Described control module group also includes forecasting wind speed wind speed correcting module, described prediction
Prediction of wind speed is entered by wind speed correcting module according to topographical features and the height condition at each blower fan place
Row is revised.
Another aspect of the present invention discloses a kind of wind-power electricity generation control method, comprises the following steps:
The wind speed of each TRT in the blower fan group of S01 anemometry device monitoring windward position；
S02 wind speed comparison module receives the actual wind speed of each TRT, and calculates mean wind speed,
Select module to send to center electromotor and compare data, during the TRT of selected difference minimum is
Heart TRT；Wind speed comparison module also monitors wind speed change simultaneously, when wind speed is constant up to step
Rapid S04, wind speed changes then to step S03；
S03 is when wind speed changes, and the difference before and after the change of center TRT wind speed, between certain
Every being recorded, and compared with default movement threshold, when exceeding predetermined threshold value, wind
Speed comparison module sends request to wind speed variation prediction module, transfers a high position, low level, level are sent out
In electric installation, already recorded data carries out similarity-rough set；Wherein, when center TRT is with high
Position TRT and low level TRT similarity, more than 80%, surpass with horizontal TRT similarity
Cross 90%, then redefining this group blower fan group is windward position blower fan group；
S04 forecasting wind speed module is according to the average wind of windward position blower fan group and wind direction, and lee gauge
Relative to the distance of center TRT and angle, blower fan predicts that each lee gauge blower fan is when fixing
Between interval wind speed variation, and according to wind speed variation to output prediction module assign wind-power electricity generation dress
The variation instruction put；
S05 output prediction module receives instruction, calculates after a predetermined time, to whole wind field, respectively
The output of individual wind power generating set and certain blower fan changes.
Wherein in preferred scheme, described control module method also includes: become at calm or wind direction
Change exceed wind direction prediction module preset threshold value time by initialization module, windward position blower fan group is entered
Row initializes, and dismisses group；Wherein, monitor when the Wind regime measurement device 5 of windward position blower fan group
Wind direction angle when varying more than default angle threshold 30 °, described output prediction module according to
Wind direction mates with the historical record in memory module group, selects the windward position wind of reference numeral
Unit, as initial windward position blower fan group.
The beneficial effects of the present invention is:
1. it is combined into windward position blower fan group, and the wind speed measured according to it by multiple TRTs
Meansigma methods and position carry out forecasting wind speed to lee gauge machine, it was predicted that result accuracy rate is high；Particularly
When wind speed changes greatly, the situation poor compared to the predictablity rate of single windward position blower fan group,
The predictablity rate of the present invention is higher.
2. the combination of the windward position blower fan group of the present invention carries out combined in real time, according to practical situation
Excellent combination, changes according to the wind speed of each TRT at any time and is adjusted combination, protect further
The accuracy of barrier predictive value.
3. present system has function of initializing, according to becalming or wind vector situation, passes through
Initialization module determines to initialize windward position blower fan group, dismisses group.And according to history
The windward position blower fan group in record direction is as reference, as initial windward position blower fan group.So joint
Save the work in combination of windward position blower fan group, improve the work efficiency of blower fan prediction.
4. the change that features of terrain produces according to the different wind regime of height can produce impact to wind speed,
Control system of the present invention, by arranging prediction of wind speed correcting module, overcomes features of terrain pair as far as possible
The error that prediction of wind speed produces, further improves the accuracy of predictive value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of wind-driven power generation control system of the present invention；
Fig. 2 is the structural representation of the second embodiment of wind-driven power generation control system of the present invention；
Centered by Fig. 3, the actual wind speed of TRT changes curve and the reality of horizontal TRT
The Property comparison figure of wind speed variation curve.
Detailed description of the invention
Fig. 1 shows a kind of embodiment party of the wind-driven power generation control system of wind power plant of the present invention
Formula, described wind-driven power generation control system 1 includes centralized Control platform 2 and by described centralized Control
Platform 2 control wind power plant 3, described wind power plant 3 include some according to physical features arrange
Wind power generation plant 4, the Wind regime measurement device 5 set along with each wind power generation plant 4
With the wind control device 6 of the described wind power generation plant rotating speed of control, described centralized Control platform 2
Including control module group 8, communication interface 7 and memory module group 9, described control module group 8 is wrapped
Include wind set modules 10, forecasting wind speed module 11, output prediction module 13, output decision module
14, rotational speed control module 15.
Described Wind regime measurement device 5 measures after wind-force and wind direction data through described communication interface 7
Pass to described control group module 8.
Described control module group 8 determines least one set windward position according to the changing value of wind-force and wind direction
Blower fan group 16 and several lee gauge machine 17；Described windward position blower fan group 16 includes a center
TRT, and respectively no less than one high-order TRT, low level TRT and/or
Horizontal TRT.
Described wind set modules 10 obtains the wind-force of blower fan each TRT of group by communication interface
With wind direction data, and transmit to forecasting wind speed module 11.
Described forecasting wind speed module 11 is for the average wind according to described windward position blower fan group 16
And wind direction, and described lee gauge blower fan 17 is relative to the distance of described windward position blower fan group 16
Predict that described each lee gauge blower fan 17 changes at the wind speed of Fixed Time Interval with angle.
According to aforementioned, described output prediction module 13 determines that certain group, for after windward generating set, exports
Prediction module 13 receives instruction, calculates after a predetermined time, the output variation of whole wind field, with
And each wind power generating set output variation, and the output variation of certain blower fan.
Described output decision module 14 is for determining that the reality of each described wind power generation plant 4 is defeated
Go out power.
Described rotational speed control module 15 is defeated for the reality calculated according to gone out decision module 14
Go out power, control the actual speed of described wind power generation plant 4.
Additionally, the memory area of described memory module group 9 includes setting position data storage areas
With output characteristics memory area, can be used for carrying out the position of each blower fan indicating storage, in order to
When being predicted for control module group 8, offer basic point is to the relevant position parameter of prediction blower fan position,
The air speed data measured in conjunction with Wind regime measurement device 5, carries out calculating lee gauge wind by formula 1
The delay of machine, this concrete calculating process has disclosure in background technology cited patent,
This does not elaborates.
Another embodiment of the wind-driven power generation control system of the present invention: described control module group
10 also include wind speed comparison module 12 and center electromotor selection module 19, as shown in Figure 2.
Described wind speed comparison module 12 is for comparing the reality of each TRT in windward position blower fan group 16
Border wind speed and mean wind speed, and select module 19 transmission to compare data, and warp to center electromotor
Its module is selected and is compared TRT centered by the TRT that in data, difference is minimum.
Described control module group 10 also includes group correcting module 18；When wind speed changes, center
Difference before and after the change of TRT wind speed, is recorded according to certain intervals, and and group
The movement threshold that correcting module 18 is preset compares, when exceeding predetermined threshold value, to forecasting wind speed
Module 11 sends request, transfers already recorded data in a high position, low level, horizontal TRT and enters
Row similarity-rough set.When the wind speed of center TRT changes curve and high position TRT and low
The wind speed change curve similarity of position TRT, more than 80%, becomes with the wind speed of horizontal TRT
Change curve similarity is more than 90%, then redefining this group blower fan group is windward position blower fan group 16；
Wherein, wind speed change curve is specially in evaluation time, the wind speed variation frequency of TRT
With the characteristic of wind speed size, similarity is specially the wind speed change of different TRT
The plesiomorphism degree of curve.Citing as it is shown on figure 3, in evaluation time, center TRT
Actual wind speed variation curve a and horizontal TRT actual wind speed variation curve b characteristic
Comparison diagram.
The described memory module group 9 of control system of the present invention also includes history storage area, uses
In the relevant position of the windward position blower fan group 16 of any combination is combined with its wind-engaging wind direction, and compile
Number store.Described control module group 10 also includes initialization module 20, when windward position wind
The Wind regime measurement device 5 of unit 16 detects becalms or time wind vector exceedes predetermined threshold value, logical
Cross initialization module 20 windward position blower fan group 16 to be initialized, dismiss group.
When wind direction angle varies more than default angle threshold 30 °, described output prediction module
13 mate with the historical record in memory module group 9 according to wind direction, select reference numeral
Windward position blower fan group 16, as initial windward position blower fan group 16.
It addition, the change that features of terrain produces according to the different wind regime of height can produce shadow to wind speed
Ring, can be different from the friction that ground produces at such as wind, according to the power of influence of the Different Ground of height
Can difference.For the error overcoming features of terrain that prediction of wind speed is produced as far as possible, the present invention control be
The described memory module group 9 of system also includes topographical features memory area, for according to each wind
Seat in the plane put between terrestrial reference feature record and carry out Error Calculation；Described control module group 10 is also wrapped
Including forecasting wind speed wind speed correcting module 21, described prediction of wind speed correcting module 21 is according to each blower fan
Prediction of wind speed is modified by topographical features and the height condition at place.Forecasting wind speed module 11 is right
When prediction of wind speed calculates, from terrestrial reference characteristic storage extracted region corresponding terrestrial reference feature number,
And carry out Error Calculation according to the parameter of corresponding numbering.The error formula of Error Calculation foundation is:
In formula, h, l are the height from ground survey, Vh、VlIt is the wind speed at affiliated height,
Z0It it is the ground coefficient of roughness.
The prediction of wind speed calculated by above-mentioned formula is little with the error of actual wind speed, further
Improve the stability of constant output of blower fan.
The wind power plant of the present invention additionally provides wind-power electricity generation controlling party according to above-mentioned control system
Method, comprises the following steps:
S01 anemometry device 5 monitors the wind speed of each TRT in windward position blower fan group 16；
S02 wind speed comparison module 12 receives the actual wind speed of each TRT, and calculates average wind
Speed, selects module 19 to send to center electromotor and compares data, the generating dress that selected difference is minimum
It is set to center TRT；Simultaneously wind speed comparison module 12 also monitor wind speed change, when wind speed not
Becoming up to step S04, wind speed changes then to step S03；
S03 is when wind speed changes, and the difference before and after the change of center TRT wind speed, between certain
Every being recorded, and compared with default movement threshold, when exceeding predetermined threshold value, wind
Speed comparison module 12 to wind speed variation prediction module 18 send request, transfer a high position, low level,
In horizontal TRT, already recorded data carries out similarity-rough set；Wherein, when center generating dress
Put with high-order TRT and low level TRT similarity more than 80%, with horizontal TRT phase
Like degree more than 90%, then redefining this group blower fan group is windward position blower fan group 16；
S04 forecasting wind speed module 11 according to the average wind of windward position blower fan group 16 and wind direction, and
Lee gauge blower fan 17 predicts each lee gauge blower fan relative to the distance of center TRT and angle
17 Fixed Time Interval wind speed change, and according to wind speed variation to output prediction module 13
Assign the variation instruction of wind power generation plant；
S05 output prediction module 13 receives instruction, calculates after a predetermined time, to whole wind field,
The output of each wind power generating set and certain blower fan changes.
Wherein, described control module method also includes: exceed wind direction at calm or wind vector pre-
At the beginning of windward position blower fan group 16 being carried out by initialization module 20 during the threshold value that survey module 21 is preset
Beginningization, dismisses group；Wherein, when the wind direction angle change of described Wind regime measurement device 5 monitoring
When exceeding default angle threshold 30 °, described output prediction module 13 is according to wind direction and storage mould
Historical record in block group 9 mates, and selects the windward position blower fan group 16 of reference numeral, makees
For initial windward position blower fan group 16.
Embodiment described above only the preferred embodiment of the present invention is described, the most right
The scope of the present invention is defined, on the premise of designing spirit without departing from the present invention, and this area
Various deformation that technical scheme is made by those of ordinary skill and improvement, all should fall into
In the protection domain that claims of the present invention determines.
Claims (10)
1. the wind-driven power generation control system of a wind power plant, it is characterised in that described wind-power electricity generation
Control system (1) includes centralized Control platform (2) and is controlled by described centralized Control platform (2)
System wind power plant (3), described wind power plant (3) include some according to physical features arrange
Wind power generation plant (4), the wind regime set along with each wind power generation plant (4) measures
Device (5) and the wind control device (6) of the described wind power generation plant rotating speed of control, described
Centralized Control platform (2) includes control module group (8), communication interface (7) and memory module
Group (9), described control module group (8) includes wind set modules (10), forecasting wind speed mould
Block (11), output prediction module (13), output decision module (14) and rotating speed control
Module (15)；
Through described communication interface after described Wind regime measurement device (5) mensuration wind-force and wind direction data
(7) described control group module (8) is passed to；
Described control module group (8) determines least one set windward according to the changing value of wind-force and wind direction
Position blower fan group (16) and several lee gauge machine (17)；In described windward position blower fan group (16)
Including a center TRT, and it is no less than high-order TRT, the low level of one respectively
TRT and/or horizontal TRT；
Described wind set modules (10) obtains blower fan each TRT of group by communication interface
Wind-force and wind direction data, and transmit to forecasting wind speed module (11)；
Described forecasting wind speed module (11) is for putting down according to described windward position blower fan group (16)
All wind-force and wind directions, and described lee gauge blower fan (17) is relative to described windward position blower fan group
(16) distance of center TRT and angle predict described each lee gauge blower fan (17)
Wind speed at Fixed Time Interval changes；
Described output prediction module (13) according to aforementioned determine certain group for after windward generating set,
Instruction is received in output prediction module (13), calculates after a predetermined time, and whole wind field exports
Variation, and the output variation of each wind power generating set, and the output variation of certain blower fan；
Described output decision module (14) is used for determining each described wind power generation plant (4)
Real output；
Described rotational speed control module (15) is for calculating according to gone out decision module (14)
Real output, controls the actual speed of described wind power generation plant (4).
2. wind power generation controlling device as claimed in claim 1, it is characterised in that described control mould
Block group (10) also includes wind speed comparison module (12) and center electromotor selects module (19),
Described wind speed comparison module (12) is used for comparing each generating dress in windward position blower fan group (16)
The actual wind speed put and mean wind speed, and select module (19) transmission to compare to center electromotor
Data, and generating fills centered by its module is selected and compared the TRT that in data, difference is minimum
Put.
3. wind power generation controlling device as claimed in claim 2, it is characterised in that described control mould
Block group (10) also includes group correcting module (18)；When wind speed changes, center generating dress
Put wind speed change before and after difference, be recorded according to certain intervals, and with group correction mould
The movement threshold that block (18) is preset compares, when exceeding predetermined threshold value, to forecasting wind speed mould
Block (11) sends request, transfers already recorded data in a high position, low level, horizontal TRT
Carry out similarity-rough set.
4. wind power generation controlling device as claimed in claim 3, it is characterised in that when center generates electricity
Wind speed variation curve and high-order TRT and the wind speed change curve of low level TRT of device
Similarity is more than 80%, with the wind speed change curve similarity of horizontal TRT more than 90%, then
Redefining this group blower fan group is windward position blower fan group (16)；Wherein, wind speed change curve tool
Body is in evaluation time, the wind speed variation frequency of TRT and the relation property of wind speed size
Curve, similarity is specially the plesiomorphism degree of the wind speed change curve of different TRT.
5. the wind power generation controlling device as according to any one of claim 1-4, it is characterised in that
Described memory module group (9) also includes history storage area, for by the windward of any combination
The relevant position of position blower fan group (16) is combined with its wind-engaging wind direction, and numbering stores.
6. wind power generation controlling device as claimed in claim 5, it is characterised in that described control mould
Block group (10) also includes initialization module (20), when the wind of windward position blower fan group (16)
Condition determinator (5) detects becalms or time wind vector exceedes predetermined threshold value, by initializing
Windward position blower fan group (16) is initialized by module (20), dismisses group.
7. wind power generation controlling device as claimed in claim 6, it is characterised in that when wind direction angle
When varying more than default angle threshold 30 °, described output prediction module (13) is according to wind direction
Mate with the historical record in memory module group (9), select the windward position wind of reference numeral
Unit (16), as initial windward position blower fan group (16).
8. wind power generation controlling device as claimed in claim 2, it is characterised in that described storage mould
Block group (9) also includes topographical features memory area, between according to each blower fan position
Terrestrial reference feature record also carries out Error Calculation；Described control module group (10) also includes that wind speed is pre-
Surveying wind speed correcting module (21), described prediction of wind speed correcting module (21) is according to each blower fan
Prediction of wind speed is modified by topographical features and the height condition at place.
9. a control method for the wind-driven power generation control system as according to any one of claim 1-8,
Comprise the following steps:
The wind of each TRT in S01 anemometry device (5) monitoring windward position blower fan group (16)
Speed；
S02 wind speed comparison module (12) receives the actual wind speed of each TRT, and calculates flat
All wind speed, select module (19) to send to center electromotor and compare data, and selected difference is minimum
TRT centered by TRT；Wind speed comparison module (12) also monitors wind speed change simultaneously
Change, when wind speed is constant up to step S04, and wind speed changes then to step S03；
S03 is when wind speed changes, and the difference before and after the change of center TRT wind speed, between certain
Every being recorded, and compared with default movement threshold, when exceeding predetermined threshold value, wind
Speed comparison module (12) to wind speed variation prediction module (18) send request, transfer a high position,
In low level, horizontal TRT, already recorded data carries out similarity-rough set；Wherein, center is worked as
TRT and high-order TRT and low level TRT similarity, more than 80%, generate electricity with level
Device similarity is more than 90%, then redefining this group blower fan group is windward position blower fan group (16)；
S04 forecasting wind speed module (11) according to the average wind of windward position blower fan group (16) and wind direction,
And lee gauge blower fan (17) relative to the distance of center TRT and angle predict each under
Wind position blower fan (17) changes at the wind speed of Fixed Time Interval, and changes to output according to wind speed
Prediction module (13) assigns the variation instruction of wind power generation plant；
S05 output prediction module (13) receives instruction, calculates after a predetermined time, to whole wind
The output of field, each wind power generating set and certain blower fan changes.
10. wind-power electricity generation control method as claimed in claim 9, it is characterised in that described control mould
Block method also includes: exceed, at calm or wind vector, the threshold that wind direction prediction module (21) is preset
By initialization module (20), windward position blower fan group (16) is initialized during value, dismiss
Group；Wherein, when the wind angle that the Wind regime measurement device 5 of windward position blower fan group (16) is monitored
When degree varies more than default angle threshold 30 °, described output prediction module (13) is according to wind
Mate to the historical record in memory module group (9), select the windward position of reference numeral
Blower fan group (16), as initial windward position blower fan group (16).
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