CN108843521B - Control method and device of wind driven generator - Google Patents
Control method and device of wind driven generator Download PDFInfo
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- CN108843521B CN108843521B CN201810538909.0A CN201810538909A CN108843521B CN 108843521 B CN108843521 B CN 108843521B CN 201810538909 A CN201810538909 A CN 201810538909A CN 108843521 B CN108843521 B CN 108843521B
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- 238000004364 calculation method Methods 0.000 description 5
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- 238000012937 correction Methods 0.000 description 3
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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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
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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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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a control method and a control device for a wind driven generator. Wherein, the method comprises the following steps: acquiring fan data of the wind driven generator, wherein the fan data is acquired by a sensor; correcting the fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; adjusting control parameters of the wind driven generator based on the corrected fan model; and controlling the wind driven generator based on the adjusted control parameter. The invention solves the technical problem that the generating efficiency of the wind driven generator cannot reach the optimum due to the error between the control parameter adopted by the wind driven generator during the operation and the actual state of the wind driven generator in the related technology.
Description
Technical Field
The invention relates to the field of generator control, in particular to a control method and device of a wind driven generator.
Background
A conventional main control system of a wind power generator uses control parameters determined by theory, and the control parameters are determined according to working parameters of components such as a blade airfoil, an engine, a frequency converter, a variable pitch motor and the like in the design process of the wind power generator. And for the parameter adjustment of the wind driven generator working for a period of time, generally, the operation data of the wind driven generator is collected, the local wind condition is fitted, and parameter adjustment, data collection, effect verification and parameter adjustment again are carried out according to the original control logic, so that the performance of the wind driven generator is gradually optimized.
However, the parameter adjusting method of the wind driven generator has the following problems: first, the wide suitability is lower. The actual operation condition of the wind turbine is greatly different from the theory, and the hardware foundation of the wind turbine changes with the delivery time along with the increase of the operation time, so that the same set of control parameters are unreasonable to be used all the time; secondly, the period is long, the conventional parameter adjustment easily produces irreversible influence to the fan, has certain danger to need relevant personnel's a large amount of time to adjust and the experiment, along with the slow change of wind field environment, the control effect of new parameter also can slowly weaken.
Aiming at the problem that the generating efficiency of the wind driven generator cannot reach the optimum due to the fact that errors exist between the control parameters adopted by the wind driven generator during operation and the actual state of the wind driven generator in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a control method and a control device of a wind driven generator, which are used for at least solving the technical problem that the generating efficiency of the wind driven generator cannot reach the optimum due to the fact that errors exist between control parameters adopted by the wind driven generator during operation and the actual state of the wind driven generator in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a control method of a wind power generator, including: collecting fan data of the wind driven generator, wherein the fan data is data collected by a sensor; correcting a fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; adjusting control parameters of the wind driven generator based on the corrected fan model; controlling the wind turbine based on the adjusted control parameter.
Optionally, the collecting the wind turbine data of the wind turbine includes: collecting a plurality of fan data in each preset time period; and determining the current fan data of the wind driven generator according to the average value of the plurality of fan data.
Optionally, before the wind turbine model is corrected according to the collected wind turbine data to obtain a corrected wind turbine model, the control method of the wind turbine further includes: an initial wind turbine model of the wind turbine is determined.
Optionally, after determining the initial wind turbine model of the wind turbine, the control method of the wind turbine further includes: acquiring historical fan data of the wind driven generator; and correcting the initial fan model according to the historical fan data to obtain the fan model.
Optionally, based on the corrected wind turbine model, adjusting the control parameter of the wind turbine includes: determining an operating power threshold of the wind driven generator according to the corrected fan model; and adjusting the control parameter according to the operation power threshold value.
Optionally, controlling the wind turbine based on the adjusted control parameter comprises at least one of: controlling the main shaft rotating speed of the wind driven generator according to the control parameters; controlling a pitch angle of the wind driven generator according to the control parameter, wherein the pitch angle is an included angle between a fan blade of the wind driven generator and a wind wheel of the wind driven generator; and controlling the active power of the wind driven generator according to the control parameter.
According to another aspect of the embodiments of the present invention, there is also provided a control apparatus of a wind turbine, including: the system comprises a collecting unit, a data processing unit and a data processing unit, wherein the collecting unit is used for collecting fan data of the wind driven generator, and the fan data is data collected by a sensor; the first obtaining unit is used for correcting a fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; the adjusting unit is used for adjusting the control parameters of the wind driven generator based on the corrected fan model; a control unit for controlling the wind turbine based on the adjusted control parameter.
Optionally, the acquisition unit comprises: the acquisition module is used for acquiring a plurality of fan data in each preset time period; the first determination module is used for determining the current fan data of the wind driven generator according to the average value of the plurality of fan data.
Optionally, the control device of the wind turbine further includes: and the determining unit is used for determining an initial fan model of the wind driven generator before correcting the fan model according to the collected fan data to obtain a corrected fan model.
Optionally, the control device of the wind turbine further includes: the second obtaining unit is used for obtaining historical fan data of the wind driven generator after determining an initial fan model of the wind driven generator; and the third acquisition unit is used for correcting the initial fan model according to the historical fan data to obtain the fan model.
Optionally, the adjusting unit includes: the second determination module is used for determining the operating power threshold of the wind driven generator according to the corrected fan model; and the adjusting module is used for adjusting the control parameter according to the running power threshold value.
Optionally, the control unit comprises at least one of: the first control module is used for controlling the main shaft rotating speed of the wind driven generator according to the control parameters; the second control module is used for controlling the pitch angle of the wind driven generator according to the control parameter, wherein the pitch angle is an included angle between a fan blade of the wind driven generator and a wind wheel of the wind driven generator; and the third control module is used for controlling the active power of the wind driven generator according to the control parameters.
According to another aspect of an embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the control method of a wind turbine generator described in any one of the above.
According to another aspect of the embodiment of the present invention, there is also provided a processor for executing a program, wherein the program executes the control method of the wind turbine generator according to any one of the above.
In the embodiment of the invention, the method comprises the steps of collecting fan data of the wind driven generator, wherein the fan data is data collected by a sensor; correcting the fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; adjusting control parameters of the wind driven generator based on the corrected fan model; based on the mode of controlling the wind driven generator by the adjusted control parameters, the control method of the wind driven generator provided by the embodiment of the invention can realize the purposes of repairing the fan model according to the fan data acquired in real time and obtaining better control data for adjusting the control parameters of the wind driven generator according to the corrected fan model, thereby achieving the technical effect of controlling the wind driven generator according to the better control parameters to maximize the generated energy of the wind driven generator and further solving the technical problem that the generating efficiency of the wind driven generator cannot reach the optimal value due to the error between the control parameters adopted by the wind driven generator during operation and the actual state of the wind driven generator in the related art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a control method of a wind turbine according to an embodiment of the invention;
FIG. 2 is a logic diagram of a wind turbine dynamic parameter setting system according to an embodiment of the invention; and
fig. 3 is a schematic view of a control apparatus of a wind power generator according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of description, some terms or expressions appearing in the embodiments of the present invention are explained in detail below:
a frequency converter: the power control equipment controls the alternating current motor by applying a frequency conversion technology and a microelectronic technology and changing the frequency mode of a working power supply of the motor.
Variable pitch: the blade adjusting device is a wind driven generator blade adjusting device, and when the wind power is large, the attack angle of the blade is reduced through the adjusting device; when the wind power is small, the attack angle of the blade is increased through the adjusting device.
Loading: refers to the various direct actions that are applied to an engineered structure such that the engineered structure or component produces an effect.
Pitch angle: the pitch angle is also called the included angle between the fan blade and the plane of the wind wheel.
Active power: in an ac circuit, active power refers to the average of the integral of the instantaneous power emitted or consumed by the load over a period.
Example 1
According to an embodiment of the invention, a method embodiment of a method of controlling a wind turbine generator is provided, it being noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a control method of a wind power generator according to an embodiment of the present invention, as shown in fig. 1, the control method of the wind power generator including the steps of:
step S102, fan data of the wind driven generator are collected, wherein the fan data are collected by a sensor.
Wherein, the fan data may include, but is not limited to, the following: wind speed, fan main shaft speed, pitch angle, active power, ambient temperature and the like. The fan data is acquired by a sensor. The sensor is at least one, and can be arranged near the area where the wind driven generator is located, and the sensor can be original to the wind driven generator and can be newly added according to actual requirements.
And S104, correcting the fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator.
And S106, adjusting the control parameters of the wind driven generator based on the corrected fan model.
And step S108, controlling the wind driven generator based on the adjusted control parameters.
Through the steps, the fan model can be corrected according to the fan data collected in real time, the control parameters of the wind driven generator are adjusted according to the corrected fan model, and the wind driven generator is controlled according to the adjusted control parameters. Compared with the prior art that the control parameters for controlling the wind driven generator are mainly obtained based on theoretical calculation, however, the actual operation condition of the wind driven generator is usually greatly different from the control parameters determined theoretically, and the hardware base of the wind driven generator also changes with the factory as the operation time increases, but the same set of control parameters still has certain danger and needs a large amount of time for relevant personnel to adjust, the control method of the wind driven generator provided by the embodiment of the invention can realize the purposes of modifying the wind driven generator model according to the wind driven generator data acquired in real time and obtaining better control data for adjusting the control parameters of the wind driven generator according to the modified wind driven generator model, thereby achieving the technical effect of controlling the wind driven generator according to the better control parameters to maximize the generated energy of the wind driven generator, and the technical problem that the generating efficiency of the wind driven generator cannot reach the optimal value due to the fact that errors exist between the control parameters adopted by the wind driven generator during operation and the actual state of the wind driven generator in the related technology is solved.
As an alternative embodiment of the present invention, the collecting the wind turbine data of the wind turbine may include: collecting a plurality of fan data in each preset time period; and determining the current fan data of the wind driven generator according to the average value of the plurality of fan data. For example, in order to make the collected wind turbine data more consistent with the actual state of the wind turbine, a sensor may be used to collect wind turbine data every predetermined time period, the wind turbine data collected every predetermined time period may be averaged, and the wind turbine data may be determined according to the obtained average. Specifically, the wind speed, the main shaft rotation speed, the pitch angle, the ambient temperature and the active power of the wind turbine generator within each 10min may be collected, and then the wind speed, the main shaft rotation speed, the pitch angle, the ambient temperature and the active power collected for each 10min may be respectively averaged to obtain an average wind speed, an average main shaft rotation speed, an average pitch angle, an average ambient temperature and an average active power every 10 min.
In addition, before the wind turbine model is corrected according to the collected wind turbine data to obtain a corrected wind turbine model, the control method of the wind turbine may further include: an initial wind turbine model of the wind turbine is determined. For example, a standard fan model may be determined based on conventional theory.
In the above embodiment, after determining the initial wind turbine model of the wind turbine, the control method of the wind turbine may further include: acquiring historical fan data of the wind driven generator; and correcting the initial fan model according to the historical fan data to obtain the fan model.
For example, historical fan data collected by a sensor in a predetermined historical time period may be stored, and the initial fan model may be corrected once according to the historical fan data, so as to obtain a corrected fan model. And then, correcting the once corrected fan model by utilizing real-time fan data acquired by the sensor.
Fig. 2 is a logic diagram of a dynamic parameter adjustment system of a wind turbine generator and a motor of the wind turbine generator according to an embodiment of the present invention, and as shown in fig. 2, collected fan data may be transmitted to a main control system inside the wind turbine generator through a sensor, and also transmitted to a fan model, and the fan model may perform a primary correction on an initial fan model according to historical fan data in a historical time period, and then perform a correction on the once corrected fan model according to real-time fan data. And finally, adjusting control parameters according to the corrected fan model. Meanwhile, as shown in fig. 2, a main control system of the wind turbine is connected to the frequency converter and the pitch system to control the frequency converter and the pitch system.
As an alternative embodiment of the present invention, adjusting the control parameter of the wind turbine based on the modified wind turbine model may include: determining an operating power threshold of the wind driven generator according to the corrected fan model; the control parameter is adjusted based on the operating power threshold.
For example, the load calculation may be performed by using the wind turbine model corrected according to the real-time wind turbine data to obtain an operating power threshold of the wind turbine, and the control parameter for controlling the wind turbine may be adjusted according to the operating power threshold to obtain a better control parameter, so as to maximize the power generation amount of the wind turbine when the load of the wind turbine allows for the better control parameter.
Specifically, controlling the wind turbine based on the adjusted control parameter may comprise at least one of: controlling the main shaft rotating speed of the wind driven generator according to the control parameters; controlling a pitch angle of the wind driven generator according to the control parameter, wherein the pitch angle is an included angle between a fan blade of the wind driven generator and a wind wheel of the wind driven generator; and controlling the active power of the wind driven generator according to the control parameters.
The control method of the wind driven generator provided by the embodiment of the invention mainly realizes the control of the wind driven generator by 'wind turbine data acquisition, wind turbine model correction, control parameter adjustment and control parameter introduction into a main control system of the wind driven generator', and specifically comprises the following steps: the fan data acquisition can use the original sensor, and can also be a new sensor added according to the actual requirement; and (3) correcting the fan model: before the fan model is corrected, a standard fan model (namely, an initialized fan model in the context) needs to be determined according to a traditional theory, the initialized fan model is corrected for one time according to historical fan data, and then the corrected fan model is corrected dynamically in real time according to acquired real-time fan data, so that the corrected fan model is highly matched with the actual condition of a fan; the control parameter adjustment can be used for carrying out load calculation and calculation of control parameters of a main control system in the wind driven generator according to the corrected fan model, obtaining better control parameters according to effect iteration, and realizing maximization of the generated energy of the wind driven generator under the condition that the load of a motor of the wind driven generator is allowed; leading the control parameters into a main control system of the wind driven generator: after the control parameters are determined to be superior, the control parameters are led into a main control system of the wind driven generator to complete control of the wind driven generator through control over the main control system.
The control method of the wind driven generator provided by the embodiment of the invention can realize the following beneficial effects: the labor cost is reduced, and the circulation of data acquisition, effect verification and parameter optimization is not needed to be carried out manually; the universality is improved, and the online tuning and participating party can carry out optimization according to the field condition; the optimization period is shortened, the high-speed iteration of the fan model and the control parameters is realized, and continuous optimization is carried out day and night.
Example 2
According to an embodiment of the present invention, a control device of a wind turbine is further provided, and it should be noted that the control device of the wind turbine according to the embodiment of the present invention may be used to execute the control method of the wind turbine according to the embodiment of the present invention. The following describes a control device for a wind turbine according to an embodiment of the present invention.
Fig. 3 is a schematic view of a control apparatus of a wind power generator according to an embodiment of the present invention, as shown in fig. 3, including: an acquisition unit 31, a first acquisition unit 33, an adjustment unit 35 and a control unit 37. The control device of the wind turbine will be described in detail below.
And the acquisition unit 31 is used for acquiring fan data of the wind driven generator, wherein the fan data is acquired by the sensor.
And the first obtaining unit 33 is connected to the collecting unit 31, and is configured to correct the fan model according to the collected fan data to obtain a corrected fan model, where the fan model is used to simulate a state of the wind turbine.
And an adjusting unit 35, connected to the first obtaining unit 33, for adjusting the control parameters of the wind turbine generator based on the corrected fan model.
And a control unit 37 connected to the adjusting unit 35 for controlling the wind turbine based on the adjusted control parameter.
In the above embodiment, the collecting unit 31 may be used to collect the fan data of the wind turbine, where the fan data is collected by the sensor; the first obtaining unit 33 corrects the fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; the adjusting unit 35 adjusts the control parameters of the wind turbine generator based on the corrected fan model; and the control unit 37 controls the wind turbine based on the adjusted control parameter. Compared with the prior art that the control parameters for controlling the wind driven generator are mainly obtained based on theoretical calculation, however, the actual operation condition of the wind driven generator is usually greatly different from the control parameters determined theoretically, and the hardware base of the wind driven generator also changes with the factory as the operation time increases, but the same set of control parameters still has certain danger and needs a large amount of time for relevant personnel to adjust, the control method of the wind driven generator provided by the embodiment of the invention can realize the purposes of modifying the wind driven generator model according to the wind driven generator data acquired in real time and obtaining better control data for adjusting the control parameters of the wind driven generator according to the modified wind driven generator model, thereby achieving the technical effect of controlling the wind driven generator according to the better control parameters to maximize the generated energy of the wind driven generator, and the technical problem that the generating efficiency of the wind driven generator cannot reach the optimal value due to the fact that errors exist between the control parameters adopted by the wind driven generator during operation and the actual state of the wind driven generator in the related technology is solved.
In an alternative embodiment of the present invention, the collecting unit may include: the acquisition module is used for acquiring a plurality of fan data in each preset time period; the first determination module is used for determining the current fan data of the wind driven generator according to the average value of the plurality of fan data.
In an alternative embodiment of the present invention, the control device of the wind turbine may further include: and the determining unit is used for determining the initial fan model of the wind driven generator before the fan model is corrected according to the collected fan data to obtain the corrected fan model.
In an alternative embodiment of the present invention, the control device of the wind turbine may further include: the second obtaining unit is used for obtaining historical fan data of the wind driven generator after the initial fan model of the wind driven generator is determined; and the third acquisition unit is used for correcting the initial fan model according to the historical fan data to obtain the fan model.
In an alternative embodiment of the present invention, the adjusting unit may include: the second determination module is used for determining the operating power threshold of the wind driven generator according to the corrected fan model; and the adjusting module is used for adjusting the control parameters according to the running power threshold value.
In an alternative embodiment of the present invention, the control unit may include at least one of: the first control module is used for controlling the main shaft rotating speed of the wind driven generator according to the control parameters; the second control module is used for controlling the pitch angle of the wind driven generator according to the control parameter, wherein the pitch angle is an included angle between a fan blade of the wind driven generator and a wind wheel of the wind driven generator; and the third control module is used for controlling the active power of the wind driven generator according to the control parameters.
The control device of the wind driven generator comprises a processor and a memory, the acquisition unit 31, the first acquisition unit 33, the adjustment unit 35, the control unit 37 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory. The kernel can be set to be one or more, and the wind driven generator is controlled based on the adjusted control parameters by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to another aspect of an embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the control method of a wind turbine generator of any one of the above.
According to another aspect of the embodiment of the present invention, there is also provided a processor for executing a program, wherein the program executes the control method of the wind turbine generator according to any one of the above.
The embodiment of the present invention further provides an apparatus, which includes a processor, a memory, and a program stored in the memory and executable on the processor, and when the processor executes the program, the following steps are implemented: acquiring fan data of the wind driven generator, wherein the fan data is acquired by a sensor; correcting the fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; adjusting control parameters of the wind driven generator based on the corrected fan model; and controlling the wind driven generator based on the adjusted control parameter.
There is also provided in an embodiment of the invention a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: acquiring fan data of the wind driven generator, wherein the fan data is acquired by a sensor; correcting the fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator; adjusting control parameters of the wind driven generator based on the corrected fan model; and controlling the wind driven generator based on the adjusted control parameter.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A control method of a wind power generator, characterized by comprising:
collecting fan data of the wind driven generator, wherein the fan data is data collected by a sensor;
correcting a fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator;
adjusting control parameters of the wind driven generator based on the corrected fan model;
controlling the wind turbine based on the adjusted control parameters;
wherein, before correcting the fan model according to the collected fan data and obtaining the corrected fan model, the method further comprises the following steps: determining an initial wind turbine model of the wind turbine;
after determining the initial wind turbine model of the wind turbine, the method further comprises the following steps: acquiring historical fan data of the wind driven generator; correcting the initial fan model according to the historical fan data to obtain the fan model;
wherein adjusting the control parameters of the wind turbine generator based on the modified wind turbine model comprises:
determining an operating power threshold of the wind driven generator according to the corrected fan model;
and adjusting the control parameter according to the operation power threshold value.
2. The method of claim 1, wherein collecting wind turbine data for the wind turbine comprises:
collecting a plurality of fan data in each preset time period;
and determining the current fan data of the wind driven generator according to the average value of the plurality of fan data.
3. The method of claim 1, wherein controlling the wind turbine based on the adjusted control parameter comprises at least one of:
controlling the main shaft rotating speed of the wind driven generator according to the control parameters;
controlling a pitch angle of the wind driven generator according to the control parameter, wherein the pitch angle is an included angle between a fan blade of the wind driven generator and a wind wheel of the wind driven generator;
and controlling the active power of the wind driven generator according to the control parameter.
4. A control apparatus of a wind power generator, characterized by comprising:
the system comprises a collecting unit, a data processing unit and a data processing unit, wherein the collecting unit is used for collecting fan data of the wind driven generator, and the fan data is data collected by a sensor;
the first obtaining unit is used for correcting a fan model according to the collected fan data to obtain a corrected fan model, wherein the fan model is used for simulating the state of the wind driven generator;
the adjusting unit is used for adjusting the control parameters of the wind driven generator based on the corrected fan model;
a control unit for controlling the wind power generator based on the adjusted control parameter;
wherein, still include: the determining unit is used for determining an initial fan model of the wind driven generator before correcting the fan model according to the collected fan data to obtain a corrected fan model;
wherein, still include: the second obtaining unit is used for obtaining historical fan data of the wind driven generator after determining an initial fan model of the wind driven generator; the third obtaining unit is used for correcting the initial fan model according to the historical fan data to obtain the fan model;
wherein the adjusting unit includes:
the second determination module is used for determining the operating power threshold of the wind driven generator according to the corrected fan model;
and the adjusting module is used for adjusting the control parameter according to the running power threshold value.
5. The apparatus of claim 4, wherein the acquisition unit comprises:
the acquisition module is used for acquiring a plurality of fan data in each preset time period;
the first determination module is used for determining the current fan data of the wind driven generator according to the average value of the plurality of fan data.
6. The apparatus of claim 4, wherein the control unit comprises at least one of:
the first control module is used for controlling the main shaft rotating speed of the wind driven generator according to the control parameters;
the second control module is used for controlling the pitch angle of the wind driven generator according to the control parameter, wherein the pitch angle is an included angle between a fan blade of the wind driven generator and a wind wheel of the wind driven generator;
and the third control module is used for controlling the active power of the wind driven generator according to the control parameters.
7. A storage medium characterized by comprising a stored program, wherein the program executes the control method of a wind power generator according to any one of claims 1 to 3.
8. A processor, characterized in that the processor is configured to run a program, wherein the program when running performs the control method of a wind turbine according to any of claims 1 to 3.
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