CN115730860B - Wind farm real-time power estimation method and system based on all-physical process - Google Patents
Wind farm real-time power estimation method and system based on all-physical process Download PDFInfo
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Abstract
The application provides a wind farm real-time power estimation method and system based on an all-physical process, wherein the method comprises the following steps: determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant, and acquiring the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator in the wind power plant; determining real-time output power estimated values of all wind turbines in the second type of wind turbines; correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine; and determining the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine, and taking the sum as the real-time power estimated value of the wind power plant. According to the technical scheme provided by the application, the real-time output power of the unknown fan is estimated based on the fan capable of acquiring the output power information, so that the overall estimation is carried out on the overall output power of the wind power station, and the accuracy of an estimation result is greatly improved.
Description
Technical Field
The application relates to the field of power estimation, in particular to a wind farm real-time power estimation method and system based on an all-physical process.
Background
In an experiment of a wind power plant or numerical simulation performed by using real-time data, all data in the wind power plant cannot be accurately obtained in real time, but only the real-time output power of a part of units cannot be obtained directly, and the whole real-time output power value of the wind power plant cannot be obtained directly. For fans which cannot acquire data, power estimation is generally performed by directly multiplying the output power data of the existing fans according to the capacity ratio. And for the integral output power of the wind power plant, estimating by adopting a simple superposition mode of power estimated values of each unit. However, the power estimation method for the fans incapable of acquiring data is too simple, and complex influences of physical links of different fans on real-time output power cannot be reflected, so that the estimation of the power is inaccurate, and the final test and simulation results have larger deviation.
Disclosure of Invention
The application provides a wind farm real-time power estimation method and system based on an all-physical process, which at least solve the technical problem that power estimation is not accurate enough.
An embodiment of a first aspect of the present application provides a method for estimating real-time power of a wind farm based on an all-physical process, the method comprising:
Determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant, and acquiring the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator in the wind power plant;
Determining a real-time output power estimated value of each wind turbine in the second type of wind turbines according to the maximum output power of each wind turbine in the wind power plant;
Correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain the corrected real-time output power estimated value of each wind turbine;
And determining the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine, and taking the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine as the real-time power estimated value of the wind power plant.
Preferably, the first wind turbine generator is each wind turbine generator capable of acquiring output power information in a wind power plant;
The second type wind turbine generator is each wind turbine generator which cannot acquire output power information in the wind farm.
Further, the calculation formula of the real-time output power estimated value of each wind turbine in the second type wind turbine is as follows:
Wherein Pi (t) is a real-time output power estimated value of an ith wind turbine in a second wind turbine at a time t, pj (t) is a real-time output power of a jth wind turbine in a first wind turbine at the time t, qj is a maximum output power of the jth wind turbine in the first wind turbine, d (i-j) is a geographic distance between the ith wind turbine in the second wind turbine and the jth wind turbine in the first wind turbine, qi is a maximum output power of the ith wind turbine in the second wind turbine, N1 is a total number of wind turbines in the first wind turbine, i epsilon [ 1-N1 ], j epsilon [ N1+1-N ], [ 1-N1 ] is a number of each wind turbine in the first wind turbine, N is a total number of wind turbines in the wind farm, and [ N1+1-N ] is a number of each wind turbine in the second wind turbine.
Further, the calculation formula of the corrected real-time output power estimated value of each wind turbine generator is as follows:
Wherein, pih (t) is a real-time output power estimated value corrected by the ith wind turbine, vwindi is an inflow wind speed of the ith wind turbine, Σvwind is a sum of inflow wind speeds of all wind turbines in the first type wind turbine, ji is a mechanical moment of inertia of the ith wind turbine, and ΣJ is a sum of mechanical moment of inertia of all wind turbines in the first type wind turbine. . . . .
An embodiment of a second aspect of the present application provides a system for estimating real-time power of a wind farm based on an all-physical process, the system comprising:
The first determining module is used for determining a first type of wind turbine generator set and a second type of wind turbine generator set in the wind power plant and obtaining the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator set in the wind power plant;
The second determining module is used for determining real-time output power estimated values of all the wind turbines in the second type of wind turbines according to the maximum output power of all the wind turbines in the wind power plant;
The correction module is used for correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain the corrected real-time output power estimated value of each wind turbine;
The third determining module is used for determining the sum of the real-time output power estimated value of each wind turbine after correction and the real-time output power of each wind turbine in the first wind turbine, and the sum of the real-time output power estimated value of each wind turbine after correction and the real-time output power of each wind turbine in the first wind turbine is used as the real-time power estimated value of the wind power plant.
Preferably, the first wind turbine generator is each wind turbine generator capable of acquiring output power information in a wind power plant;
The second type wind turbine generator is each wind turbine generator which cannot acquire output power information in the wind farm.
Further, the calculation formula of the real-time output power estimated value of each wind turbine in the second type wind turbine is as follows:
Wherein Pi (t) is a real-time output power estimated value of an ith wind turbine in a second wind turbine at a time t, pj (t) is a real-time output power of a jth wind turbine in a first wind turbine at the time t, qj is a maximum output power of the jth wind turbine in the first wind turbine, d (i-j) is a geographic distance between the ith wind turbine in the second wind turbine and the jth wind turbine in the first wind turbine, qi is a maximum output power of the ith wind turbine in the second wind turbine, N1 is a total number of wind turbines in the first wind turbine, i epsilon [ 1-N1 ], j epsilon [ N1+1-N ], [ 1-N1 ] is a number of each wind turbine in the first wind turbine, N is a total number of wind turbines in the wind farm, and [ N1+1-N ] is a number of each wind turbine in the second wind turbine.
Further, the calculation formula of the corrected real-time output power estimated value of each wind turbine generator is as follows:
Wherein, pih (t) is a real-time output power estimated value corrected by the ith wind turbine, vwindi is an inflow wind speed of the ith wind turbine, Σvwind is a sum of inflow wind speeds of all wind turbines in the first type wind turbine, ji is a mechanical moment of inertia of the ith wind turbine, and ΣJ is a sum of mechanical moment of inertia of all wind turbines in the first type wind turbine. . . . .
An embodiment of a third aspect of the present application provides an electronic device, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method as described in the embodiments of the first aspect when the program is executed.
An embodiment of a fourth aspect of the present application proposes a computer readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements a method as described in the embodiment of the first aspect.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects:
The application provides a wind farm real-time power estimation method and system based on an all-physical process, wherein the method comprises the following steps: determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant, and acquiring the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator in the wind power plant; determining a real-time output power estimated value of each wind turbine in the second type of wind turbines according to the maximum output power of each wind turbine in the wind power plant; correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain the corrected real-time output power estimated value of each wind turbine; and determining the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine, and taking the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine as the real-time power estimated value of the wind power plant. According to the technical scheme provided by the application, the real-time output power of the wind power station can be estimated according to the real-time output power of the wind power station, the physical side parameters of the unknown wind power station, so that the overall estimation of the overall output power of the wind power station is performed, and the accuracy of the estimation result is greatly improved compared with that of the traditional mode.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flowchart of a method for real-time power estimation of a wind farm based on an all-physical process according to one embodiment of the present application;
FIG. 2 is a block diagram of a real-time power estimation system for a wind farm based on an all-physical process according to one embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
The application provides a wind farm real-time power estimation method and a system based on an all-physical process, wherein the method comprises the following steps: determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant, and acquiring the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator in the wind power plant; determining a real-time output power estimated value of each wind turbine in the second type of wind turbines according to the maximum output power of each wind turbine in the wind power plant; correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain the corrected real-time output power estimated value of each wind turbine; and determining the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine, and taking the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine as the real-time power estimated value of the wind power plant. According to the technical scheme provided by the application, the real-time output power of the wind power station can be estimated according to the real-time output power of the wind power station, the physical side parameters of the unknown wind power station, so that the overall estimation of the overall output power of the wind power station is performed, and the accuracy of the estimation result is greatly improved compared with that of the traditional mode.
The method and the system for estimating the real-time power of the wind farm based on the whole physical process in the embodiment of the application are described below with reference to the accompanying drawings.
Example 1
FIG. 1 is a flowchart of a method for estimating real-time power of a wind farm based on an all-physical process according to an embodiment of the present application, as shown in FIG. 1, the method includes:
Step 1: determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant, and acquiring the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator in the wind power plant;
in the embodiment of the disclosure, the first type wind turbine generator is each wind turbine generator capable of acquiring output power information in a wind power plant;
The second type wind turbine generator is each wind turbine generator which cannot acquire output power information in the wind farm.
It should be noted that, the whole physical process refers to the influence of a wind current field in a wind power plant, a pneumatic link of a wind turbine, a transmission link of the wind turbine, and electromagnetic and electrical links of the wind turbine in this embodiment.
Step 2: determining a real-time output power estimated value of each wind turbine in the second type of wind turbines according to the maximum output power of each wind turbine in the wind power plant;
further, the calculation formula of the real-time output power estimated value of each wind turbine in the second type wind turbine is as follows:
Wherein Pi (t) is a real-time output power estimated value of an ith wind turbine in a second wind turbine at a time t, pj (t) is a real-time output power of a jth wind turbine in a first wind turbine at the time t, qj is a maximum output power of the jth wind turbine in the first wind turbine, d (i-j) is a geographic distance between the ith wind turbine in the second wind turbine and the jth wind turbine in the first wind turbine, qi is a maximum output power of the ith wind turbine in the second wind turbine, N1 is a total number of wind turbines in the first wind turbine, i epsilon [ 1-N1 ], j epsilon [ N1+1-N ], [ 1-N1 ] is a number of each wind turbine in the first wind turbine, N is a total number of wind turbines in the wind farm, and [ N1+1-N ] is a number of each wind turbine in the second wind turbine.
Step 3: correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain the corrected real-time output power estimated value of each wind turbine;
Further, the calculation formula of the corrected real-time output power estimated value of each wind turbine generator is as follows:
Wherein, pih (t) is a real-time output power estimated value corrected by the ith wind turbine, vwindi is an inflow wind speed of the ith wind turbine, Σvwind is a sum of inflow wind speeds of all wind turbines in the first type wind turbine, ji is a mechanical moment of inertia of the ith wind turbine, and ΣJ is a sum of mechanical moment of inertia of all wind turbines in the first type wind turbine.
Step 4: and determining the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine, and taking the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first wind turbine as the real-time power estimated value of the wind power plant.
In order to more clearly illustrate the implementation flow of the wind farm real-time power estimation method based on the whole physical process in the embodiment of the present application, the following details are described in a specific method embodiment:
Step 1), N total units in a wind power plant are provided, wherein the number of fans capable of acquiring output power information is 1-N1, and the number of fans incapable of acquiring output power information is (N1 + 1) -N.
Step 2) obtaining real-time power P1 (1-t) -PN1 (1-t) of the No. 1-N1 fan, wherein t is the current moment, and the sampling interval is generally set to be 1s.
Step 3) i=n1+1.
Step 4) calculating a t-moment output real-time power estimated value Pi (t) of the ith fan:
Wherein Qi is the maximum output power of the ith fan; qj is the maximum output power of the jth fan; d (i-j) is the geographic distance from the ith fan to the jth fan, and the unit is m; sigma d is the sum of the distances from the ith fan to all fans 1-N1, and the unit is m.
Step 5) carrying out full physical link correction on Pi (t):
The method comprises the steps of (1) correcting a wind turbine generator set, wherein Pih (t) is a real-time output power estimated value after correction of an ith wind turbine generator set, vwind i is the inflow wind speed of the ith wind turbine generator set, the unit is m/s, Σvwind is the sum of the inflow wind speeds of all the No. 1-N1 wind turbines, J i is the mechanical moment of inertia of the ith wind turbine generator set, the unit is kg.m2, and ΣJ is the sum of the moment of inertia of all the No. 1-N1 wind turbines.
Step 6) judging whether i is smaller than N, if so, making i=i+1, and returning to the step 4); if not, carrying out step 7);
and 7) outputting P (N1+1) (t) -PN (t) after the calculation is finished, and summing the P1 (t) -PN (t), namely, obtaining an estimated value of the overall power output of the wind power plant at the moment t.
In summary, according to the wind farm real-time power estimation method based on the whole physical process, the real-time output power of the wind farm is estimated according to the real-time output power of the wind farm capable of obtaining the output power information, the physical side parameters of the unknown wind farm, and therefore the overall estimation of the overall output power of the wind farm is performed, and the accuracy of the estimation result is greatly improved compared with that of the traditional method.
Example two
FIG. 2 is a block diagram of a real-time power estimation system for a wind farm based on an all-physical process according to an embodiment of the present application, as shown in FIG. 2, the system includes:
The first determining module 100 is configured to determine a first type of wind turbine and a second type of wind turbine in a wind farm, and obtain a maximum output power, an inflow wind speed and mechanical moment of inertia of each wind turbine in the wind farm;
The second determining module 200 is configured to determine a real-time output power estimated value of each wind turbine in the second type of wind turbines according to a maximum output power of each wind turbine in the wind farm;
The correction module 300 is configured to correct the real-time output power estimated value of each wind turbine in the second type of wind turbines according to the inflow wind speed and the mechanical moment of inertia of each wind turbine, so as to obtain a corrected real-time output power estimated value of each wind turbine;
the third determining module 400 is configured to determine a sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first type of wind turbine, and use the sum of the corrected real-time output power estimated value of each wind turbine and the real-time output power of each wind turbine in the first type of wind turbine as the real-time power estimated value of the wind farm.
In the embodiment of the disclosure, the first type wind turbine generator is each wind turbine generator capable of acquiring output power information in a wind power plant;
The second type wind turbine generator is each wind turbine generator which cannot acquire output power information in the wind farm.
Further, the calculation formula of the real-time output power estimated value of each wind turbine in the second type wind turbine is as follows:
Wherein Pi (t) is a real-time output power estimated value of an ith wind turbine in a second wind turbine at a time t, pj (t) is a real-time output power of a jth wind turbine in a first wind turbine at the time t, qj is a maximum output power of the jth wind turbine in the first wind turbine, d (i-j) is a geographic distance between the ith wind turbine in the second wind turbine and the jth wind turbine in the first wind turbine, qi is a maximum output power of the ith wind turbine in the second wind turbine, N1 is a total number of wind turbines in the first wind turbine, i epsilon [ 1-N1 ], j epsilon [ N1+1-N ], [ 1-N1 ] is a number of each wind turbine in the first wind turbine, N is a total number of wind turbines in the wind farm, and [ N1+1-N ] is a number of each wind turbine in the second wind turbine.
Further, the calculation formula of the corrected real-time output power estimated value of each wind turbine generator is as follows:
Wherein, pih (t) is a real-time output power estimated value corrected by the ith wind turbine, vwindi is an inflow wind speed of the ith wind turbine, Σvwind is a sum of inflow wind speeds of all wind turbines in the first type wind turbine, ji is a mechanical moment of inertia of the ith wind turbine, and ΣJ is a sum of mechanical moment of inertia of all wind turbines in the first type wind turbine. . . . .
In summary, according to the wind farm real-time power estimation system based on the whole physical process provided by the embodiment, the real-time output power of the unknown fan is estimated according to the real-time output power of the fan capable of obtaining the output power information and the physical side parameters of the unknown fan, so that the overall estimation of the overall output power of the wind farm is performed, and the accuracy of the estimation result is greatly improved compared with that of the traditional method.
Example III
In order to achieve the above embodiments, the present disclosure further proposes an electronic device including: a memory, a processor, and a computer program stored on the memory and executable on the processor, which when executed, implements the method as described in embodiment one.
Example IV
In order to implement the above-described embodiments, the present disclosure also proposes a computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements a method as described in embodiment one.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order from that shown or discussed, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (6)
1. A method for estimating real-time power of a wind farm based on an all-physical process, the method comprising:
Determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant, and acquiring the maximum output power, the inflow wind speed and the mechanical moment of inertia of each wind turbine generator in the wind power plant, wherein the first type wind turbine generator is each wind turbine generator capable of acquiring output power information in the wind power plant, and the second type wind turbine generator is each wind turbine generator incapable of acquiring real-time output power information in the wind power plant;
Determining a real-time output power estimated value of each wind turbine in the second type of wind turbines according to the maximum output power of each wind turbine in the wind power plant, wherein the calculation formula of the real-time output power estimated value of each wind turbine in the second type of wind turbines is as follows:
In the method, in the process of the invention, For the real-time output power estimated value of the ith wind turbine generator in the second type wind turbine generator at the time t, the power of the ith wind turbine generator is estimated value of/>The real-time output power of the jth wind turbine in the first wind turbine is/is equal to the real-time output power of the jth wind turbine at the time tFor the maximum output power of the j-th wind turbine in the first wind turbine, the power of the j-th wind turbine is/areFor the geographic distance of the ith wind turbine in the second type of wind turbine and the jth wind turbine in the first type of wind turbine, the method comprises the following steps of (i)/>For the maximum output power of the ith wind turbine in the second wind turbine,For the total number of wind turbines in the first type of wind turbines,/>，/>，/>Numbering each wind turbine in the first wind turbine, wherein N is the total number of wind turbines in the wind farm, and is/areNumbering each wind turbine in the second type of wind turbine;
Correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain a corrected real-time output power estimated value of the second type of wind turbine;
And determining the sum of the real-time output power estimated value corrected by the second type of wind turbines and the real-time output power of each wind turbine in the first type of wind turbines, and taking the sum of the real-time output power estimated value corrected by the second type of wind turbines and the real-time output power of each wind turbine in the first type of wind turbines as the real-time power estimated value of the wind power plant.
2. The method of claim 1, wherein the calculation formula of the corrected real-time output power estimation value of the second type of wind turbine generator is as follows:
In the method, in the process of the invention, For the real-time output power estimated value corrected by the ith wind turbine, the method comprises the following steps of/>For the inflow wind speed of the ith wind turbine, v-Is the sum of the inflow wind speeds of all wind turbines in the first wind turbine class,/>For the mechanical moment of inertia of the ith wind turbineThe sum of the mechanical rotational inertia of each wind turbine in the first wind turbine type is used.
3. A system for real-time power estimation of a wind farm based on an all-physical process, the system comprising:
the system comprises a first determining module, a second determining module and a first judging module, wherein the first determining module is used for determining a first type wind turbine generator and a second type wind turbine generator in a wind power plant and acquiring the maximum output power, inflow wind speed and mechanical rotational inertia of each wind turbine generator in the wind power plant, the first type wind turbine generator is each wind turbine generator capable of acquiring output power information in the wind power plant, and the second type wind turbine generator is each wind turbine generator incapable of acquiring real-time output power information in the wind power plant;
The second determining module is used for determining a real-time output power estimated value of each wind turbine in the second type of wind turbines according to the maximum output power of each wind turbine in the wind power plant, and the calculation formula of the real-time output power estimated value of each wind turbine in the second type of wind turbines is as follows:
In the method, in the process of the invention, For the real-time output power estimated value of the ith wind turbine generator in the second type wind turbine generator at the time t, the power of the ith wind turbine generator is estimated value of/>The real-time output power of the jth wind turbine in the first wind turbine is/is equal to the real-time output power of the jth wind turbine at the time tFor the maximum output power of the j-th wind turbine in the first wind turbine, the power of the j-th wind turbine is/areFor the geographic distance of the ith wind turbine in the second type of wind turbine and the jth wind turbine in the first type of wind turbine, the method comprises the following steps of (i)/>For the maximum output power of the ith wind turbine in the second wind turbine,For the total number of wind turbines in the first type of wind turbines,/>，/>，/>Numbering each wind turbine in the first wind turbine, wherein N is the total number of wind turbines in the wind farm, and is/areNumbering each wind turbine in the second type of wind turbine;
The correction module is used for correcting the real-time output power estimated value of each wind turbine in the second type of wind turbine according to the inflow wind speed and the mechanical moment of inertia of each wind turbine to obtain the corrected real-time output power estimated value of the second type of wind turbine;
The third determining module is used for determining the sum of the real-time output power estimated value of the second type wind turbine and the real-time output power of each wind turbine in the first type wind turbine, and taking the sum of the real-time output power estimated value of the second type wind turbine and the real-time output power of each wind turbine in the first type wind turbine as the real-time power estimated value of the wind power plant.
4. The system of claim 3, wherein the corrected real-time output power estimate of the second type of wind turbines is calculated as follows:
In the method, in the process of the invention, For the real-time output power estimated value corrected by the ith wind turbine, the method comprises the following steps of/>For the inflow wind speed of the ith wind turbine, v-Is the sum of the inflow wind speeds of all wind turbines in the first wind turbine class,/>For the mechanical moment of inertia of the ith wind turbineThe sum of the mechanical rotational inertia of each wind turbine in the first wind turbine type is used.
5. An electronic device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which processor, when executing the program, implements the method according to claim 1 or 2.
6. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211511043.7A CN115730860B (en) | 2022-11-29 | 2022-11-29 | Wind farm real-time power estimation method and system based on all-physical process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN103389388A (en) * | 2012-05-08 | 2013-11-13 | 华锐风电科技(集团)股份有限公司 | Method and device for predicting wind speed in wind power plant and method and system for predicting power in wind power plant |
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| CN103389388A (en) * | 2012-05-08 | 2013-11-13 | 华锐风电科技(集团)股份有限公司 | Method and device for predicting wind speed in wind power plant and method and system for predicting power in wind power plant |
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