CN109185055A - Method and device for quickly starting wind generating set and computer readable storage medium - Google Patents
Method and device for quickly starting wind generating set and computer readable storage medium Download PDFInfo
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- CN109185055A CN109185055A CN201811226437.1A CN201811226437A CN109185055A CN 109185055 A CN109185055 A CN 109185055A CN 201811226437 A CN201811226437 A CN 201811226437A CN 109185055 A CN109185055 A CN 109185055A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004590 computer program Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 8
- 238000012937 correction Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
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- 238000004891 communication Methods 0.000 description 2
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- 210000003746 feather Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power generation, and discloses a method and a device for quickly starting a wind generating set and a computer readable storage medium, wherein the method for quickly starting the wind generating set comprises the following steps: acquiring pneumatic data of a wind turbine blade, and obtaining a pneumatic model curve cluster of the wind turbine generator set according to the pneumatic data; obtaining a pitch angle control curve when the wind generating set is started with the maximum torque based on the aerodynamic model curve cluster; the pitch angle control curve is corrected to obtain the optimal pitch angle control curve, and the wind generating set is controlled to start based on the optimal pitch angle control curve, so that the pitch angle is dynamically adjusted when the wind generating set is started, the blades of the wind turbine obtain the maximum starting torque, the starting time of the wind generating set is reduced, the problem of long starting time caused by the fact that the wind generating set is started with a fixed pitch angle is effectively solved, and the operating efficiency of the wind generating set is improved.
Description
Technical field
The present invention relates to technical field of wind power generation, more particularly to a kind of wind power generating set fast startup procedure, dress
It sets and computer readable storage medium.
Background technique
In recent years, with the fast development of Wind Power Generation Industry, wind power generating set can convert wind energy into electricity as one kind
The device of energy, is also gradually paid attention to.Wind power generating set generally comprises wind energy conversion system, generator and pylon etc., passes through wind
The blade rotation of dynamic wind energy conversion system is pushed, to drive electrical power generators, converts wind energy into electric energy to realize.
During using Wind turbine, since wind power generating set start-stop is frequent, and wind wheel has very big rotation
Inertia, therefore, starting wind power generating set faster more stably is particularly important.In addition, Wind turbine startability
The available machine time can be not only influenced, corresponding influence can also be generated on simultaneously network process, therefore, the starting performance of wind energy conversion system is for entire
The efficiency of unit influences very big.
Currently, existing wind power generating set generally comprises fixed pitch generating set and feather generating set, regardless of being
Fixed pitch generating set or feather generating set, they are started with fixed propeller pitch angle.But implementing this
During invention, at least there are the following problems in the prior art for inventor's discovery: when wind power generating set is with fixed pitch
When angle starts, the time that wind power generating set starts is longer, therefore causes the operational efficiency of wind power generating set low.
Summary of the invention
The object of the present invention is to provide a kind of wind power generating set fast startup procedure, device and computer-readable storage mediums
Matter is started with solving existing wind power generating set with fixed propeller pitch angle, leads to the technology that the wind power generating set starting time is long
Problem, to improve the operational efficiency of wind power generating set.
In order to solve the above technical problem, the present invention provides a kind of methods of wind power generating set fast starting, including with
Lower step:
The aerodynamic data of pneumatic equipment bladess is obtained, and the aerodynamic model of wind power generating set is obtained according to the aerodynamic data
Set of curves；
Based on the aerodynamic model set of curves, it is bent to obtain award setting of the wind power generating set with maximum torque starting when
Line；
The award setting curve is corrected, obtains optimal award setting curve, and be based on the optimal paddle
Elongation controlling curve controls wind power generating set and starts.
Compared with prior art, the method for wind power generating set fast starting disclosed by the embodiments of the present invention passes through to acquisition
The aerodynamic model set of curves carry out analytical calculation, obtain award setting of the wind power generating set with maximum torque starting when
Curve, and optimal award setting curve is obtained based on the award setting curve, to control wind power generating set starting, from
And the dynamic regulation propeller pitch angle when wind power generating set starts is realized, so that pneumatic equipment bladess obtain maximum starting torque,
And then reduce the starting time of wind power generating set, it efficiently avoids rising due to wind power generating set with fixed propeller pitch angle
It is dynamic, lead to the problem that the wind power generating set starting time is long, therefore improve the operational efficiency of wind power generating set.
As an improvement of the above scheme, the aerodynamic data includes pneumatic torque data, the aerodynamic model set of curves packet
Include pneumatic torque model curve cluster；
The aerodynamic data for obtaining pneumatic equipment bladess, and the pneumatic of wind power generating set is obtained according to the aerodynamic data
Model curve cluster, specifically includes:
Obtain the pneumatic torque data of pneumatic equipment bladess at different wind speeds；
It based on the pneumatic torque data, is calculated under different propeller pitch angles and wind speed, the torque system of pneumatic equipment bladess
Tip speed ratio several and corresponding with the torque coefficient；
With under same propeller pitch angle torque coefficient and the tip speed ratio corresponding with the torque coefficient be pneumatic
Torque point, and it is based on the pneumatic torque point, corresponding pneumatic torque model curve is obtained using interpolation method or curve-fitting method；
It is bent as the pneumatic torque model using the pneumatic torque model curve under a plurality of different propeller pitch angles of acquisition
Line cluster.
As an improvement of the above scheme, described to be based on the pneumatic torque data, it is calculated in different propeller pitch angles and wind
Under speed, the torque coefficient of pneumatic equipment bladess and tip speed ratio corresponding with the torque coefficient are specifically included:
It is calculated under different propeller pitch angles and wind speed based on the pneumatic torque data, and using following equation, wind-force
The torque coefficient of machine blade and tip speed ratio corresponding with the torque coefficient:
Wherein, CTFor torque coefficient；λ is tip speed ratio；β is propeller pitch angle；TaFor pneumatic torque；ρ is atmospheric density；R is wind
Power machine blade rotary wheel radius；ν is wind speed；N is pneumatic equipment bladess revolving speed.
As an improvement of the above scheme, described to be based on the aerodynamic model set of curves, wind power generating set is obtained with maximum
Award setting curve when torque starting, specifically includes:
Based on the pneumatic torque model curve cluster, the corresponding torque capacity coefficient of the tip speed ratio, Yi Jiyu are obtained
The corresponding propeller pitch angle of the torque capacity coefficient；
It is fitted using the tip speed ratio and the corresponding propeller pitch angle as target point, and to the target point, from
And obtain award setting curve of the wind power generating set with maximum torque starting when.
As an improvement of the above scheme, the award setting curve is corrected described, obtains wind-driven generator
The optimal award setting curve of group, and be based on before the optimal award setting curve controlled wind power generating set starting,
It further comprises the steps of:
Simplify the award setting curve obtained.
As an improvement of the above scheme, the simplified award setting curve obtained, specifically includes:
According to the shape of the award setting curve of acquisition, waypoint and segments are chosen, and by the propeller pitch angle
Controlling curve carries out piece-wise linearization.
As an improvement of the above scheme, described that the award setting curve is corrected, obtain optimal propeller pitch angle control
Koji-making line, specifically includes:
Using the award setting curve, the starting process of wind power generating set is emulated or tested, obtains paddle
Elongation given value change curve and propeller pitch angle actual change curve；
According to the difference of the propeller pitch angle given value change curve and the propeller pitch angle actual change curve, to the pitch
Angle controlling curve is corrected, to obtain optimal award setting curve.
Another embodiment of the present invention is corresponding to provide a kind of device of wind power generating set fast starting, including aerodynamic model
Set of curves module, award setting curve module and execution module；
The aerodynamic model set of curves module, for obtaining the aerodynamic data of pneumatic equipment bladess, and according to the pneumatic number
According to obtaining the aerodynamic model set of curves of wind power generating set；
The award setting curve module, for be based on the aerodynamic model set of curves, obtain wind power generating set with
Award setting curve when maximum torque starting；
The execution module obtains optimal award setting curve for being corrected to the award setting curve,
And it is started based on the optimal award setting curve controlled wind power generating set.
Compared with prior art, the device of wind power generating set fast starting disclosed by the embodiments of the present invention passes through the gas
Movable model set of curves module obtains the aerodynamic model set of curves, and as the award setting curve module to described in acquisition
Aerodynamic model set of curves carries out analytical calculation, obtains award setting curve of the wind power generating set with maximum torque starting when,
The award setting curve is finally based on by the execution module and obtains optimal award setting curve, according to described optimal
Award setting curve controlled wind power generating set starts, to realize the dynamic regulation pitch when wind power generating set starts
Angle so that pneumatic equipment bladess obtain maximum detent torque, and then reduces the starting time of wind power generating set, effectively keeps away
Exempt to start due to wind power generating set with fixed propeller pitch angle, has led to the problem that the wind power generating set starting time is long, therefore
Improve the operational efficiency of high wind power generating set.
Further embodiment of this invention provides a kind of device of wind power generating set fast starting, including processor, storage
Device and storage in the memory and are configured as the computer program executed by the processor, and the processor executes
The method of above-mentioned wind power generating set fast starting is realized when the computer program.
Further embodiment of this invention provides a kind of computer readable storage medium, the computer readable storage medium packet
Include the computer program of storage, wherein where controlling the computer readable storage medium in computer program operation
The method that equipment executes above-mentioned wind power generating set fast starting.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for wind power generating set fast starting provided in an embodiment of the present invention；
Fig. 2 is the pneumatic torque model curve cluster figure of wind power generating set provided in an embodiment of the present invention；
Fig. 3 is the award setting curve graph of wind power generating set provided in an embodiment of the present invention；
Fig. 4 is the propeller pitch angle given value change curve and propeller pitch angle reality of wind power generating set provided in an embodiment of the present invention
Change curve；
Fig. 5 is the principle provided in an embodiment of the present invention started based on award setting curve controlled wind power generating set
Figure；
Fig. 6 is the original provided in an embodiment of the present invention started based on optimal award setting curve controlled wind power generating set
Reason figure；
Fig. 7 is the structural schematic diagram of the device of wind power generating set fast starting provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is the flow diagram of the method for wind power generating set fast starting provided in an embodiment of the present invention referring to Fig. 1；Such as
Shown in Fig. 1, the method for wind power generating set fast starting provided in an embodiment of the present invention, comprising the following steps:
S1, the aerodynamic data for obtaining pneumatic equipment bladess, and the pneumatic of wind power generating set is obtained according to the aerodynamic data
Model curve cluster.
Specifically, the aerodynamic data includes pneumatic torque data, and the aerodynamic model set of curves includes pneumatic torque mould
Type set of curves；Wherein, it should be noted that the pneumatic torque data can be to be obtained by the aerodynamic experiment of wind power generating set
, it is also possible to by the way that monitoring obtains during wind power generating set work in advance.
Therefore, in implementation steps S1, the aerodynamic data for obtaining pneumatic equipment bladess, and obtained according to the aerodynamic data
To the aerodynamic model set of curves of wind power generating set, specifically includes the following steps:
S11, the pneumatic torque data of pneumatic equipment bladess at different wind speeds are obtained；
S12, the pneumatic torque data are based on, be calculated under different propeller pitch angles and wind speed, pneumatic equipment bladess turn
Moment coefficient and tip speed ratio corresponding with the torque coefficient；Wherein, under same propeller pitch angle, the torque coefficient and described
Tip speed ratio is one-to-one relationship；
Specifically, described to be based on the pneumatic torque data, it is calculated under different propeller pitch angles and wind speed, wind energy conversion system leaf
The torque coefficient of piece and tip speed ratio corresponding with the torque coefficient, specifically:
Pneumatic torque data under different wind speed based on acquisition, be calculated using following equation in different propeller pitch angles and
Under wind speed, the torque coefficient of pneumatic equipment bladess and tip speed ratio corresponding with the torque coefficient:
Wherein, CTFor torque coefficient；λ is tip speed ratio；β is propeller pitch angle；TaFor pneumatic torque；ρ is atmospheric density；R is wind
Power machine blade rotary wheel radius；ν is wind speed；N is pneumatic equipment bladess revolving speed.It should be noted that the wind speed pneumatically turns with described
Square is corresponding, and the wind speed is corresponding with the pneumatic equipment bladess revolving speed.
S13, under same propeller pitch angle torque coefficient and the tip speed ratio corresponding with the torque coefficient be
Pneumatic torque point, and it is based on the pneumatic torque point, corresponding pneumatic torque model is obtained using interpolation method or curve-fitting method
Curve；
S14, using the pneumatic torque model curve under multiple and different propeller pitch angles of acquisition as the pneumatic torque mould
Type set of curves.
It should be noted that the torque coefficient C is calculatedTAnd with the torque coefficient CTThe corresponding blade tip
After speed ratio λ, with the torque coefficient CTFor ordinate, and using the corresponding tip speed ratio λ as abscissa, to obtain multiple
Pneumatic torque point (λ, the CT)；Using interpolation method or curve-fitting method at the pneumatic torque point under same propeller pitch angle
Reason, to obtain pneumatic torque model curve corresponding with the propeller pitch angle, i.e. CT- λ curve, as shown in Fig. 2, shown in solid in figure
Curve be the pneumatic torque model curve, each curve shown in solid respectively indicates pneumatic equipment bladess under specific propeller pitch angle
(β 1- β 5), torque coefficient CTChange with the variation of tip speed ratio λ.Since different propeller pitch angles corresponds to different pneumatic torques
Model curve, therefore after implementation steps S13, obtain a plurality of pneumatic torque model curve under different propeller pitch angles.
S2, it is based on the aerodynamic model set of curves, obtains propeller pitch angle control of the wind power generating set with maximum torque starting when
Koji-making line.
Specifically, in step s 2, described to be based on the aerodynamic model set of curves, it obtains wind power generating set and is turned with maximum
Award setting curve when square starts, specifically includes:
S21, it is based on the pneumatic torque model curve cluster, obtains the corresponding torque capacity coefficient of the tip speed ratio, with
And propeller pitch angle corresponding with the torque capacity coefficient；
Specifically, as shown in Fig. 2, in the pneumatic torque model curve cluster figure, a plurality of institute under different propeller pitch angles
It is interlaced to state pneumatic torque model curve, therefore, same tip speed ratio λ corresponds to multiple torque coefficient CT；By to the gas
Dynamic torque model curve cluster is analyzed, and the corresponding torque capacity coefficient C of each tip speed ratio λ can be obtainedTMAX, and be somebody's turn to do
Torque capacity coefficient CTMAXThe propeller pitch angle β of the pneumatic torque model curve at place, i.e., with the torque capacity coefficient CTMAXIt is corresponding
Propeller pitch angle β.
S22, using the tip speed ratio and the propeller pitch angle as target point, and the target point is fitted, to obtain
Obtain award setting curve of the wind power generating set with maximum torque starting when.
Specifically, the corresponding torque capacity coefficient C of the tip speed ratio λ is obtainedTMAX, and with the torque capacity coefficient
CTMAXAfter corresponding propeller pitch angle β, using the tip speed ratio λ as abscissa, using corresponding propeller pitch angle β as ordinate, to obtain
Target point (λ, β)；When the target point (λ, β) that will be obtained is in CTWhen-λ plane indicates, as shown in Fig. 2, in figure shown in dotted line
Curve be obtain the target point (λ, β) constitute curve.After obtaining the target point (λ, β), by the target point
(λ, β) is indicated in λ-β plane, and is fitted to multiple target points (λ, β) of acquisition, to obtain wind power generating set
Award setting curve when with maximum torque starting, i.e. β-λ curve, as shown in figure 3, curve shown in solid is the paddle in figure
Elongation controlling curve.
In embodiments of the present invention, optimal in order to obtain for the ease of analyzing the award setting curve
Award setting curve further comprises the steps of: in this implementation after step S2, and before step S3
Simplify the award setting curve obtained.
Specifically, according to the shape of the award setting curve of acquisition, waypoint and segments are chosen, and will be described
Award setting curve carries out piece-wise linearization, to obtain simplified award setting curve.
It should be noted that the waypoint and segments can be according to the reality of the shape of the award setting curve
Situation is selected, and need to only be met and be guaranteed to carry out linearization process to the award setting curve.For the ease of
It handles and analyzes, the award setting curve is divided into 3 sections of progress linearization process in the present embodiment, as shown in figure 3, in figure
Curve shown in dotted line is simplified award setting curve, i.e., by piece-wise linearization treated award setting curve.
S3, the award setting curve is corrected, obtains optimal award setting curve, and based on described optimal
Award setting curve controlled wind power generating set starts.
In step s3, described that the award setting curve is corrected, optimal award setting curve is obtained, is had
Body the following steps are included:
S31, using the award setting curve, the starting process of wind power generating set is emulated or is tested, is obtained
Obtain propeller pitch angle given value change curve and propeller pitch angle actual change curve；
Specifically, as shown in figure 4, curve shown in solid is the propeller pitch angle given value change curve in figure, shown in dotted line
Curve is the propeller pitch angle actual change curve；From fig. 4, it can be seen that the propeller pitch angle given value change curve and the propeller pitch angle are real
Between the change curve of border have deviation, show use control target by executing agency etc. have inertia link after, actually
Execution movement and the control target formulated with certain hysteresis quality.
S32, according to the difference of the propeller pitch angle given value change curve and the propeller pitch angle actual change curve, to described
Award setting curve is corrected, to obtain optimal award setting curve.
In embodiments of the present invention, when not being corrected to the award setting curve, that is, the pitch is being used
During angle controlling curve controls generating set starting, the award setting curve is by executing agency etc. with inertia
After link, there is certain hysteresis quality.Specifically as shown in figure 5, being based on the award setting curve, β is being used*Control power generation
During startup of unit, β*There is the 1/ (T of link of inertia by executing agency etc.1S+1 after), the β to relatively lag behind is exported, and
It is started by β control generating set, the control target for acting and formulating so as to cause actual execution has certain hysteresis quality；Its
In, T1For the inertia time constant of wind power generating set itself.
Therefore, in order to eliminate wind power generating set inertia bring control deviation, the embodiment of the present invention is according to the pitch
Suitable correction link is arranged to described in difference between angle given value change curve and the propeller pitch angle actual change curve
Award setting curve is corrected, thus optimal propeller pitch angle when obtaining final wind power generating set with maximum torque starting
Controlling curve.Specifically, (a T is set1s+1)/(T2S+1) correction link adjusts corrector loop by emulating or testing iteration
The parameter of section, to eliminate deviation；Wherein, T2For a small time constant of controller correction link setting.Specific such as Fig. 6
It is shown, it is based on the award setting curve, is using β*During controlling generating set starting, β*Corrected link
(T1s+1)/(T2S+1 after), β ' is exported, to realize to β*Correction, β ' using executing agency etc. have inertia link 1/
(T1S+1 after), β is exported, and started by β control generating set, to effectively eliminate wind power generating set inertia bring
Control deviation.Certainly, β is being used*During controlling generating set starting, β can also be made*First passing through executing agency etc. has
1/ (the T of link of inertia1S+1 after), using the correction link (T of setting1s+1)/(T2S+1), do not do and more repeat herein.
In embodiments of the present invention, the method for the wind power generating set fast starting realizes wind power generating set with most
Big torque starting.This method obtains the pneumatic torque model curve according to the pneumatic torque data of pneumatic equipment bladess, and
By to the pneumatic torque model curve conversion, interpolation, fitting and piece-wise linearization and etc. obtain the propeller pitch angle control
Koji-making line is finally iterated correction to the award setting curve using the modes such as experiment or emulation, to obtain optimal paddle
Elongation controlling curve, and started based on the optimal award setting curve controlled wind power generating set, to realize in wind
Dynamic regulation propeller pitch angle when power generator group starts, to optimize propeller pitch angle when wind power generating set starts, so that it is guaranteed that can
Pneumatic equipment bladess are made to obtain maximum starting torque.Compared with the technology that existing fixing oar elongation starts, institute of the embodiment of the present invention
The method of the wind power generating set fast starting of offer ensure that wind power generating set obtains maximum turn always in starting process
Square, so that unit obtains the shorter starting time, to improve the efficiency of unit operation.
As shown in fig. 7, the present invention also provides a kind of wind power generating set fast starting in order to solve identical technical problem
Device, including aerodynamic model set of curves module 1, award setting curve module 2 and execution module 3；
The aerodynamic model set of curves module 1, for obtaining the aerodynamic data of pneumatic equipment bladess, and according to the pneumatic number
According to obtaining the aerodynamic model set of curves of wind power generating set；
The award setting curve module 2, for be based on the aerodynamic model set of curves, obtain wind power generating set with
Award setting curve when maximum torque starting；
It is bent to obtain optimal award setting for being corrected to the award setting curve for the execution module 4
Line, and started based on the optimal award setting curve controlled wind power generating set.
In embodiments of the present invention, the aerodynamic model curve obtained by described 2 Duis of award setting curve module
Cluster carries out analytical calculation, obtains award setting curve of the wind power generating set with maximum torque starting when, and by the execution
Module 3 is based on the award setting curve and obtains optimal award setting curve, with bent according to the optimal award setting
Line traffic control wind power generating set starts, so that the dynamic regulation propeller pitch angle when wind power generating set starts is realized, so that wind-force
Machine blade obtains maximum detent torque, and then reduces the starting time of wind power generating set, efficiently avoids due to wind
Power generator group is started with fixed propeller pitch angle, leads to the problem that the wind power generating set starting time is long, therefore improve high wind
The operational efficiency of power generator group.
In embodiments of the present invention, the device of the wind power generating set fast starting further includes multiple module/units, is made
The device for obtaining the wind power generating set fast starting can be realized the embodiment of the method for above-mentioned wind power generating set fast starting
In step；Wherein, the method for the wind power generating set fast starting specifically refers to the description above, does not do herein more
Repeat.
In order to solve identical technical problem, the present invention also provides another wind power generating set fast starting device,
Including processor, memory and store the computer program that can be run in the memory and on the processor, example
The program quick started such as wind power generating set.The processor realizes above-mentioned each wind-force hair when executing the computer program
Step in the embodiment of the method for motor group fast starting, such as step S1-S3 shown in FIG. 1.Alternatively, the processor executes
The function of each module/unit in above-mentioned each Installation practice is realized when the computer program, such as can be realized described pneumatic
The function of model curve cluster module 1, the award setting curve module 2 and the execution module 3.
Procedure above module is merely exemplary, and the computer program can be divided into one or more modules/mono-
Member, one or more of module/units are stored in the memory, and are executed by the processor, to complete this
Invention.One or more of module/units can be the series of computation machine program instruction section that can complete specific function, should
Instruction segment is for describing implementation procedure of the computer program in the device that the wind power generating set quick starts.Example
Such as, the computer program can be divided into aerodynamic model set of curves module, award setting curve module and execute mould
Block；Each module concrete function is as follows: the aerodynamic model set of curves module, for obtaining the aerodynamic data of pneumatic equipment bladess, and
The aerodynamic model set of curves of wind power generating set is obtained according to the aerodynamic data；The award setting curve module, is used for
Based on the aerodynamic model set of curves, award setting curve of the wind power generating set with maximum torque starting when is obtained；It is described
Execution module obtains optimal award setting curve, and based on described in most for being corrected to the award setting curve
Excellent award setting curve controlled wind power generating set starts.
The device of the wind power generating set fast starting can be desktop PC, notebook, palm PC and cloud
Server etc. is held to calculate equipment.The device of the wind power generating set fast starting may include, but be not limited only to, and processor is deposited
Reservoir.It will be understood by those skilled in the art that the schematic diagram is only the example of the device of wind power generating set fast starting,
The restriction for not constituting the device to wind power generating set fast starting may include components more more or fewer than diagram, or
Person combines certain components or different components, such as the device of wind power generating set fast starting can also include defeated
Enter output equipment, network access equipment, bus etc..
Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
It is the control centre of the device of the wind power generating set fast starting Deng, the processor, various interfaces and route is utilized to connect
Connect the various pieces of the device of entire wind power generating set fast starting.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization
The various functions of the device of wind power generating set fast starting.The memory can mainly include storing program area and storing data
Area, wherein storing program area can application program needed for storage program area, at least one function (such as sound-playing function,
Image player function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio data, electricity according to mobile phone
Script for story-telling etc.) etc..In addition, memory may include high-speed random access memory, it can also include nonvolatile memory, such as
Hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid
State memory device.
Wherein, if the integrated module/unit of the device of wind power generating set fast starting is with SFU software functional unit
Form realize and when sold or used as an independent product, can store in a computer readable storage medium.
Based on this understanding, the present invention realizes all or part of the process in above-described embodiment method, can also pass through computer journey
Sequence is completed to instruct relevant hardware, and the computer program can be stored in a computer readable storage medium, the meter
Calculation machine program is when being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program packet
Include computer program code, the computer program code can for source code form, object identification code form, executable file or
Certain intermediate forms etc..The computer-readable medium may include: any reality that can carry the computer program code
Body or device, recording medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and
Software distribution medium etc..It should be noted that the content that the computer-readable medium includes can be according in jurisdiction
Legislation and the requirement of patent practice carry out increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent practice, meter
Calculation machine readable medium does not include electric carrier signal and telecommunication signal.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of method of wind power generating set fast starting, which comprises the following steps:
The aerodynamic data of pneumatic equipment bladess is obtained, and the aerodynamic model curve of wind power generating set is obtained according to the aerodynamic data
Cluster；
Based on the aerodynamic model set of curves, award setting curve of the wind power generating set with maximum torque starting when is obtained；
The award setting curve is corrected, obtains optimal award setting curve, and be based on the optimal propeller pitch angle
Controlling curve controls wind power generating set and starts.
2. the method for wind power generating set as described in claim 1 fast starting, which is characterized in that the aerodynamic data includes
Pneumatic torque data, the aerodynamic model set of curves include pneumatic torque model curve cluster；
The aerodynamic data for obtaining pneumatic equipment bladess, and the aerodynamic model of wind power generating set is obtained according to the aerodynamic data
Set of curves, comprising steps of
Obtain the pneumatic torque data of pneumatic equipment bladess at different wind speeds；
Based on the pneumatic torque data, be calculated under different propeller pitch angles and wind speed, the torque coefficients of pneumatic equipment bladess with
And tip speed ratio corresponding with the torque coefficient；
Using under same propeller pitch angle torque coefficient and the tip speed ratio corresponding with the torque coefficient as pneumatic torque
Point, and it is based on the pneumatic torque point, corresponding pneumatic torque model curve is obtained using interpolation method or curve-fitting method；
Using the pneumatic torque model curve under a plurality of different propeller pitch angles of acquisition as the pneumatic torque model curve cluster.
3. the method for wind power generating set fast starting as claimed in claim 2, which is characterized in that described based on described pneumatic
Torque data is calculated under different propeller pitch angles and wind speed, the torque coefficient of pneumatic equipment bladess and with the torque coefficient
Corresponding tip speed ratio, specifically includes:
It is calculated under different propeller pitch angles and wind speed based on the pneumatic torque data, and using following equation, wind energy conversion system leaf
The torque coefficient of piece and tip speed ratio corresponding with the torque coefficient:
Wherein, CTFor torque coefficient；λ is tip speed ratio；β is propeller pitch angle；TaFor pneumatic torque；ρ is atmospheric density；R is wind energy conversion system
Blade rotary wheel radius；ν is wind speed；N is pneumatic equipment bladess revolving speed.
4. the method for wind power generating set fast starting as claimed in claim 3, which is characterized in that described based on described pneumatic
Model curve cluster obtains award setting curve of the wind power generating set with maximum torque starting when, specifically includes:
Based on the pneumatic torque model curve cluster, obtain the corresponding torque capacity coefficient of the tip speed ratio, and with it is described
The corresponding propeller pitch angle of torque capacity coefficient；
It is fitted using the tip speed ratio and the corresponding propeller pitch angle as target point, and to the target point, to obtain
Obtain award setting curve of the wind power generating set with maximum torque starting when.
5. the method for wind power generating set fast starting according to any one of claims 1-4, which is characterized in that described right
The award setting curve is corrected, and obtains optimal award setting curve, and bent based on the optimal award setting
Before line traffic control wind power generating set starts, further comprise the steps of:
Simplify the award setting curve obtained.
6. the method for wind power generating set fast starting as claimed in claim 5, which is characterized in that the simplified institute obtained
Award setting curve is stated, is specifically included:
According to the shape of the award setting curve of acquisition, waypoint and segments are chosen, and by the award setting
Curve carries out piece-wise linearization.
7. the method for wind power generating set fast starting as described in claim 1 or 6, which is characterized in that described to the paddle
Elongation controlling curve is corrected, and is obtained optimal award setting curve, is specifically included:
Using the award setting curve, the starting process of wind power generating set is emulated or tested, obtains propeller pitch angle
Given value change curve and propeller pitch angle actual change curve；
According to the difference of the propeller pitch angle given value change curve and the propeller pitch angle actual change curve, to the propeller pitch angle control
Koji-making line is corrected, to obtain optimal award setting curve.
8. a kind of device of wind power generating set fast starting, which is characterized in that including aerodynamic model set of curves module, propeller pitch angle
Controlling curve module and execution module；
The aerodynamic model set of curves module is obtained for obtaining the aerodynamic data of pneumatic equipment bladess, and according to the aerodynamic data
To the aerodynamic model set of curves of wind power generating set；
The award setting curve module obtains wind power generating set for being based on the aerodynamic model set of curves with maximum
Award setting curve when torque starting；
The execution module obtains optimal award setting curve, and base for being corrected to the award setting curve
It is started in the optimal award setting curve controlled wind power generating set.
9. a kind of device of wind power generating set fast starting, which is characterized in that including processor, memory and be stored in institute
The computer program executed by the processor is stated in memory and is configured as, the processor executes the computer program
The method of Shi Shixian wind power generating set fast starting as claimed in any of claims 1 to 7 in one of claims.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program, wherein equipment where controlling the computer readable storage medium in computer program operation is executed as weighed
Benefit require any one of 1 to 7 described in wind power generating set fast starting method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226437.1A CN109185055B (en) | 2018-10-19 | 2018-10-19 | Method and device for quickly starting wind generating set and computer readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226437.1A CN109185055B (en) | 2018-10-19 | 2018-10-19 | Method and device for quickly starting wind generating set and computer readable storage medium |
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| Publication Number | Publication Date |
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| CN109185055A true CN109185055A (en) | 2019-01-11 |
| CN109185055B CN109185055B (en) | 2020-02-07 |
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| CN107642457A (en) * | 2016-07-20 | 2018-01-30 | 锐电科技有限公司 | A kind of wind-driven generator set of long-period control parameter self-adjusting system and method |
| CN107781109B (en) * | 2016-08-24 | 2019-04-23 | 北京金风科创风电设备有限公司 | Power optimization method, device and the equipment of wind power generating set |
| CN108334672B (en) * | 2018-01-14 | 2019-12-24 | 浙江大学 | Maximum wind energy capturing method of variable-speed wind generating set based on effective wind speed estimation |
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