Power station new energy access control method and system

Abstract

The invention relates to the technical field of electric power energy storage, and discloses a power station new energy access control method and system, and the method comprises the steps: analyzing a power station new energy access request, and determining a power station new energy access project; acquiring current response data of the target energy access power station, acquiring historical energy access records of the target energy access power station, and analyzing the current response data according to the historical energy access records to obtain abnormal response data and stable response data; analyzing the abnormal response data and the stable response data, and calculating a new energy access evaluation coefficient of the target energy access power station based on an analysis result; whether the new energy access project of the power station can be accessed to the target energy access power station is judged based on the relationship between the new energy access evaluation coefficient and the preset new energy access evaluation coefficient, so that whether the power station meets the new energy access condition can be accurately judged, the evaluation precision and the evaluation efficiency of the power station are improved, stable access of the new energy project is ensured, and the user experience is improved. And the negative influence on the main network is reduced.

Description

Technical Field

[0001] The present invention relates to the field of electric energy storage technology, and in particular to a method and system for controlling access of new energy to a power station. Background Art

[0002] A power station is a place where natural energy is converted into electrical energy through some form of energy conversion. Common types include hydroelectric power stations, thermal power stations, nuclear power stations, and wind power stations. Power stations are an important part of the power system, providing a stable and reliable supply of electricity. In recent years, with the global emphasis on environmental protection, new energy power stations have developed rapidly. The construction scale of renewable energy power stations such as solar and wind power has continued to expand, technology has continued to advance, and costs have gradually decreased, becoming an important direction for future energy development.

[0003] Renewable energy generation has the characteristics of strong randomness and obvious intermittency. The anti-peaking characteristics of wind power increase the difficulty of peaking the power grid, resulting in serious power abandonment during low-load periods. In order to reduce the impact of renewable energy on the main grid, a series of complex tests and evaluations such as power prediction, voltage control, and power quality assessment are required before grid connection. These evaluations usually take a long time and cost a lot of money. Therefore, a method is needed to quickly determine whether the renewable energy grid meets the conditions for grid connection, thereby saving manpower and material resources. Summary of the invention

[0004] The embodiment of the present invention provides a power station new energy access control method and system, which can accurately determine whether the power station meets the new energy access conditions, improve the power station assessment accuracy and assessment efficiency, ensure the stable access of new energy projects, and reduce the negative impact on the main grid.

[0005] In order to achieve the above object, the present invention provides a method for controlling access of renewable energy to a power station, comprising:

[0006] Receiving a request for access to new energy sources of a power station, analyzing the request for access to new energy sources of the power station, and determining a new energy access project for the power station;

[0007] Collect current response data of the target energy access power station, obtain historical energy access records of the target energy access power station, analyze the current response data according to the historical energy access records, and obtain abnormal response data and stable response data;

[0008] Analyzing the abnormal response data and the stable response data, and calculating a new energy access assessment coefficient of the target energy access power station based on the analysis results;

[0009] Based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, it is judged whether the power station new energy access project can be connected to the target energy access power station.

[0010] Further, when obtaining the historical energy access record of the target energy access power station, analyzing the current response data according to the historical energy access record to obtain abnormal response data and stable response data, it includes:

[0011] Acquire a successful energy access record adjacent to the power station's new energy access request from the historical energy access record;

[0012] Acquire corresponding historical response data from the successful energy access record, and calculate a data mean and a data variance corresponding to the historical response data;

[0013] Constructing a historical response data range according to the data mean and the data variance;

[0014] Analyzing the current response data according to the relationship between the historical response data range and the current response data;

[0015] When the current response data is within the range of the historical response data, the current response data is determined to be stable response data;

[0016] When the current response data is not within the range of the historical response data, the current response data is determined to be abnormal response data.

[0017] Further, when analyzing the abnormal response data and the stable response data, and calculating the new energy access assessment coefficient of the target energy access power station based on the analysis result, it includes:

[0018] Performing dimensionless processing on the stable response data to obtain a stable response data set;

[0019] Performing dimensionless processing on the abnormal response data to obtain an abnormal response data set;

[0020] Calculating a stable data mean of the stable response data set, extracting all stable response data greater than or equal to the stable data mean, and calculating a stable data sum value;

[0021] Calculate the abnormal data mean of the abnormal response data set, extract all abnormal response data greater than or equal to the abnormal data mean, and calculate the abnormal data sum value;

[0022] Determine the comprehensive sum ratio of the stable data and value and the abnormal data and value, and calculate the initial new energy access assessment coefficient of the target energy access power station based on the stable data and value, the abnormal data and value and the comprehensive sum ratio.

[0023] Further, when calculating the initial new energy access assessment coefficient of the target energy access power station according to the stable data and value, the abnormal data and value and the comprehensive sum value ratio, it includes:

[0024] The stable set and value corresponding to the stable response data set are calculated according to the following formula:

[0025]

[0026] Among them, w1 is the stable set and value corresponding to the stable response data set, n1 is the number of stable response data in the stable response data set, f is the stable data and value, e i is the ith stable response data, g i is the weight corresponding to the i-th stable response data;

[0027] Calculate the abnormal set and value corresponding to the abnormal response data set according to the following formula;

[0028]

[0029] Among them, w2 is the abnormal set and value corresponding to the abnormal response data set, n2 is the number of abnormal response data in the abnormal response data set, p is the abnormal data and value, k j is the jth abnormal response data, h j is the weight corresponding to the j-th abnormal response data;

[0030] determining a stable sum value ratio between the stable data sum value and the stable set sum value;

[0031] determining an abnormality sum value ratio between the abnormal data sum value and the abnormal set sum value;

[0032] determining a set sum value ratio between the stable set sum value and the abnormal set sum value;

[0033] Determine a comprehensive ratio of the comprehensive sum value ratio and the set sum value ratio;

[0034] An initial new energy access assessment coefficient of the target energy access power station is calculated according to the comprehensive ratio, the stable sum value ratio and the abnormal sum value ratio.

[0035] Further, when calculating the initial new energy access assessment coefficient of the target energy access power station according to the comprehensive ratio, the abnormal sum value ratio and the set sum value ratio, it includes:

[0036] The initial new energy access assessment coefficient of the target energy access power station is calculated according to the following formula:

[0037]

[0038] Among them, L is the initial new energy access assessment coefficient of the target energy access power station, q1 is the stable sum value ratio, q2 is the abnormal sum value ratio, and q is the comprehensive ratio.

[0039] Furthermore, before judging whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access evaluation coefficient and the preset new energy access evaluation coefficient, the method further includes:

[0040] Analyze the historical energy access record, and generate a fluctuating successful access identifier and a non-fluctuating successful access identifier for the historical energy access record based on the analysis result;

[0041] Counting the number of fluctuating identifiers of the fluctuating type successful access identifiers, and counting the number of non-fluctuating identifiers of the non-fluctuating type successful access identifiers;

[0042] Determine the historical power station fluctuation time corresponding to each non-fluctuation type successful access identifier, and construct a historical power station fluctuation time set;

[0043] Calculate the initial historical new energy access fluctuation coefficient of the target energy access power station according to the fluctuation identification number, the non-fluctuation identification number and the historical power station fluctuation time set;

[0044] Setting an optimization factor of the initial new energy access assessment coefficient based on the historical new energy access fluctuation coefficient;

[0045] The initial new energy access assessment coefficient is optimized according to the optimization factor to obtain the historical new energy access fluctuation coefficient of the target energy access power station, wherein the historical new energy access fluctuation coefficient is the product value of the optimization factor and the initial new energy access assessment coefficient.

[0046] Further, when calculating the initial historical new energy access fluctuation coefficient of the target energy access power station according to the fluctuation identification number, the non-fluctuation identification number and the historical power station fluctuation time set, it includes:

[0047] The initial historical new energy access fluctuation coefficient of the target energy access power station is calculated according to the following formula:

[0048]

[0049] Among them, r is the initial historical new energy access fluctuation coefficient of the target energy access power station, s1 is the first calculation coefficient, s2 is the second calculation coefficient, m1 is the number of fluctuation marks, m2 is the number of non-fluctuation marks, u tis the historical power station fluctuation time corresponding to the tth non-fluctuation type successful access identifier, and umax is the maximum historical power station fluctuation time.

[0050] Further, when setting the optimization factor of the initial new energy access assessment coefficient based on the historical new energy access fluctuation coefficient, it includes:

[0051] Presetting a first preset historical new energy access fluctuation coefficient and a second preset historical new energy access fluctuation coefficient;

[0052] Presetting a first preset optimization factor, a second preset optimization factor, and a third preset optimization factor;

[0053] When the historical new energy access fluctuation coefficient is less than the first preset historical new energy access fluctuation coefficient, the first preset optimization factor is selected as the optimization factor of the initial new energy access assessment coefficient;

[0054] When the historical new energy access fluctuation coefficient is greater than or equal to the first preset historical new energy access fluctuation coefficient and less than the second preset historical new energy access fluctuation coefficient, the second preset optimization factor is selected as the optimization factor of the initial new energy access assessment coefficient;

[0055] When the historical new energy access fluctuation coefficient is greater than or equal to the second preset historical new energy access fluctuation coefficient, the third preset optimization factor is selected as the optimization factor of the initial new energy access evaluation coefficient.

[0056] Further, when judging whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, it includes:

[0057] When the new energy access assessment coefficient is less than the preset new energy access assessment coefficient, it is determined that the power station new energy access project cannot be connected to the target energy access power station;

[0058] When the new energy access assessment coefficient is greater than or equal to the preset new energy access assessment coefficient, it is determined that the power station new energy access project can be connected to the target energy access power station.

[0059] In order to achieve the above object, the present invention also provides a power station new energy access control system, comprising:

[0060] The first module is used to receive a request for access to a new energy source of a power station, analyze the request for access to a new energy source of a power station, and determine a new energy access project for the power station;

[0061] The second module is used to collect current response data of the target energy access power station, obtain the historical energy access record of the target energy access power station, analyze the current response data according to the historical energy access record, and obtain abnormal response data and stable response data;

[0062] A third module is used to analyze the abnormal response data and the stable response data, and calculate a new energy access assessment coefficient of the target energy access power station based on the analysis result;

[0063] The fourth module is used to determine whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient.

[0064] Compared with the prior art, the present invention has the following beneficial effects:

[0065] The present invention discloses a power station new energy access control method and system, which analyzes a power station new energy access request to determine a power station new energy access project; collects current response data of a target energy access power station, obtains a historical energy access record of the target energy access power station, analyzes the current response data according to the historical energy access record, and obtains abnormal response data and stable response data; analyzes the abnormal response data and the stable response data, and calculates a new energy access assessment coefficient of the target energy access power station based on the analysis result; judges whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and a preset new energy access assessment coefficient, which can accurately judge whether the power station meets the new energy access conditions, improve the power station assessment accuracy and assessment efficiency, ensure the stable access of the new energy project, and reduce the negative impact on the main grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0066] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0067] Figure 1 A schematic diagram of the process of a power station renewable energy access control method according to an embodiment of the present invention is shown;

[0068] Figure 2 The schematic diagram of the structure of the power station new energy access control system in the embodiment of the present invention is shown. DETAILED DESCRIPTION

[0069] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0070] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0071] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0072] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0073] The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

[0074] like Figure 1 As shown, an embodiment of the present invention discloses a method for controlling access of renewable energy to a power station, comprising:

[0075] S110: receiving a power station new energy access request, analyzing the power station new energy access request, and determining a power station new energy access project;

[0076] S120: collecting current response data of the target energy access power station, obtaining historical energy access records of the target energy access power station, analyzing the current response data according to the historical energy access records, and obtaining abnormal response data and stable response data;

[0077] In this embodiment, the current response data includes voltage, frequency, phase, etc.

[0078] In some embodiments of the present application, when obtaining the historical energy access record of the target energy access power station, analyzing the current response data according to the historical energy access record, and obtaining the abnormal response data and the stable response data, it includes:

[0079] Acquire a successful energy access record adjacent to the power station's new energy access request from the historical energy access record;

[0080] Acquire corresponding historical response data from the successful energy access record, and calculate a data mean and a data variance corresponding to the historical response data;

[0081] Constructing a historical response data range according to the data mean and the data variance;

[0082] Analyzing the current response data according to the relationship between the historical response data range and the current response data;

[0083] When the current response data is within the range of the historical response data, the current response data is determined to be stable response data;

[0084] When the current response data is not within the range of the historical response data, the current response data is determined to be abnormal response data.

[0085] In this embodiment, the successful energy access record refers to a record of successfully connecting a historical power station new energy access project to a target energy access power station.

[0086] In this embodiment, the historical response data range consists of a data mean and a data variance.

[0087] The beneficial effect of the above technical solution is that the present invention divides the current response data into abnormal response data and stable response data according to the range of historical response data, which can lay a foundation for the evaluation of the target energy access power station.

[0088] S130: Analyze the abnormal response data and the stable response data, and calculate a new energy access assessment coefficient of the target energy access power station based on the analysis result;

[0089] In some embodiments of the present application, when analyzing the abnormal response data and the stable response data, and calculating the new energy access assessment coefficient of the target energy access power station based on the analysis result, it includes:

[0090] Performing dimensionless processing on the stable response data to obtain a stable response data set;

[0091] Performing dimensionless processing on the abnormal response data to obtain an abnormal response data set;

[0092] Calculating a stable data mean of the stable response data set, extracting all stable response data greater than or equal to the stable data mean, and calculating a stable data sum value;

[0093] Calculating the abnormal data mean of the abnormal response data set, extracting all abnormal response data greater than or equal to the abnormal data mean, and calculating the abnormal data sum value;

[0094] Determine the comprehensive sum ratio of the stable data and value and the abnormal data and value, and calculate the initial new energy access assessment coefficient of the target energy access power station based on the stable data and value, the abnormal data and value and the comprehensive sum ratio.

[0095] In this embodiment, dimensionless processing is a method commonly used in data analysis and scientific computing, and its main purpose is to eliminate the impact of different dimensions (units) between different features or indicators to make the data comparable and consistent.

[0096] The beneficial effect of the above technical solution is: the present invention determines the comprehensive sum value ratio of stable data sum value and abnormal data sum value, and calculates the initial new energy access assessment coefficient of the target energy access power station based on the stable data sum value, abnormal data sum value and the comprehensive sum value ratio, providing reliable data support for the calculation of the initial new energy access assessment coefficient.

[0097] In some embodiments of the present application, when calculating the initial new energy access assessment coefficient of the target energy access power station according to the stable data and value, the abnormal data and value, and the comprehensive sum-value ratio, it includes:

[0098] The stable set and value corresponding to the stable response data set are calculated according to the following formula:

[0099]

[0100] Among them, w1 is the stable set and value corresponding to the stable response data set, n1 is the number of stable response data in the stable response data set, f is the stable data and value, e i is the ith stable response data, g i is the weight corresponding to the i-th stable response data;

[0101] Calculate the abnormal set and value corresponding to the abnormal response data set according to the following formula;

[0102]

[0103] Among them, w2 is the abnormal set and value corresponding to the abnormal response data set, n2 is the number of abnormal response data in the abnormal response data set, p is the abnormal data and value, kj is the jth abnormal response data, h j is the weight corresponding to the j-th abnormal response data;

[0104] determining a stable sum value ratio between the stable data sum value and the stable set sum value;

[0105] determining an abnormality sum value ratio between the abnormal data sum value and the abnormal set sum value;

[0106] determining a set sum value ratio between the stable set sum value and the abnormal set sum value;

[0107] Determine a comprehensive ratio of the comprehensive sum value ratio and the set sum value ratio;

[0108] An initial new energy access assessment coefficient of the target energy access power station is calculated according to the comprehensive ratio, the stable sum value ratio and the abnormal sum value ratio.

[0109] The beneficial effect of the above technical solution is that the present invention calculates the initial new energy access assessment coefficient of the target energy access power station according to the comprehensive ratio, stable sum value ratio and abnormal sum value ratio, thereby ensuring the calculation accuracy of the initial new energy access assessment coefficient and avoiding errors.

[0110] In some embodiments of the present application, when calculating the new energy access assessment coefficient of the target energy access power station according to the comprehensive ratio, the abnormal sum value ratio and the set sum value ratio, it includes:

[0111] The new energy access assessment coefficient of the target energy access power station is calculated according to the following formula:

[0112]

[0113] Among them, L is the new energy access assessment coefficient of the target energy access power station, q1 is the stable value ratio, q2 is the abnormal value ratio, and q is the comprehensive ratio.

[0114] In some embodiments of the present application, before judging whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, it also includes:

[0115] Analyze the historical energy access record, and generate a fluctuating successful access identifier and a non-fluctuating successful access identifier for the historical energy access record based on the analysis result;

[0116] Counting the number of fluctuating identifiers of the fluctuating type successful access identifiers, and counting the number of non-fluctuating identifiers of the non-fluctuating type successful access identifiers;

[0117] Determine the historical power station fluctuation time corresponding to each non-fluctuation type successful access identifier, and construct a historical power station fluctuation time set;

[0118] Calculate the initial historical new energy access fluctuation coefficient of the target energy access power station according to the fluctuation identification number, the non-fluctuation identification number and the historical power station fluctuation time set;

[0119] Setting an optimization factor of the initial new energy access assessment coefficient based on the historical new energy access fluctuation coefficient;

[0120] The initial new energy access assessment coefficient is optimized according to the optimization factor to obtain the historical new energy access fluctuation coefficient of the target energy access power station, wherein the historical new energy access fluctuation coefficient is the product value of the optimization factor and the initial new energy access assessment coefficient.

[0121] In this embodiment, historical energy access records are divided into successful access records and unsuccessful access records, and power access records are divided into fluctuating power access records and non-fluctuating power access records. During the new energy access process, if the target energy access power station generates fluctuations, it is a fluctuating power access record. During the new energy access process, if the target energy access power station does not generate fluctuations, it is a fluctuating power access record.

[0122] In this embodiment, the historical power station fluctuation time refers to the time when the target energy source is connected to the power grid and power fluctuations occur due to the randomness, volatility and intermittency of the output of the new energy source.

[0123] The beneficial effect of the above technical solution is: the present invention calculates the initial historical new energy access fluctuation coefficient of the target energy access power station based on the number of fluctuation identifications, the number of non-fluctuation identifications and the historical power station fluctuation time set, which can comprehensively reflect the historical new energy access situation of the target energy access power station and further ensure the evaluation accuracy and comprehensiveness.

[0124] In some embodiments of the present application, when calculating the initial historical new energy access fluctuation coefficient of the target energy access power station according to the fluctuation identification number, the non-fluctuation identification number and the historical power abandonment set, it includes:

[0125] The initial historical new energy access fluctuation coefficient of the target energy access power station is calculated according to the following formula:

[0126]

[0127] Among them, r is the initial historical new energy access fluctuation coefficient of the target energy access power station, s1 is the first calculation coefficient, s2 is the second calculation coefficient, m1 is the number of fluctuation marks, m2 is the number of non-fluctuation marks, u tis the historical power abandonment corresponding to the tth non-fluctuating successful access mark, and umax is the maximum historical power abandonment.

[0128] In some embodiments of the present application, when setting the optimization factor of the initial new energy access assessment coefficient based on the historical new energy access fluctuation coefficient, it includes:

[0129] Presetting a first preset historical new energy access fluctuation coefficient and a second preset historical new energy access fluctuation coefficient;

[0130] Presetting a first preset optimization factor, a second preset optimization factor, and a third preset optimization factor;

[0131] When the historical new energy access fluctuation coefficient is less than the first preset historical new energy access fluctuation coefficient, the first preset optimization factor is selected as the optimization factor of the initial new energy access assessment coefficient;

[0132] When the historical new energy access fluctuation coefficient is greater than or equal to the first preset historical new energy access fluctuation coefficient and less than the second preset historical new energy access fluctuation coefficient, the second preset optimization factor is selected as the optimization factor of the initial new energy access assessment coefficient;

[0133] When the historical new energy access fluctuation coefficient is greater than or equal to the second preset historical new energy access fluctuation coefficient, the third preset optimization factor is selected as the optimization factor of the initial new energy access evaluation coefficient.

[0134] In this embodiment, the first preset historical new energy access fluctuation coefficient is less than the second preset historical new energy access fluctuation coefficient.

[0135] In this embodiment, the first preset optimization factor is smaller than the second preset optimization factor which is smaller than the third preset optimization factor.

[0136] The beneficial effect of the above technical solution is: the present invention selects the corresponding optimization factor according to the historical new energy access fluctuation coefficient, the first preset historical new energy access fluctuation coefficient and the second preset historical new energy access fluctuation coefficient, thereby realizing the dynamic adjustment of the new energy access evaluation coefficient.

[0137] S140: Determine whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and a preset new energy access assessment coefficient.

[0138] In some embodiments of the present application, when judging whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, it includes:

[0139] When the new energy access assessment coefficient is less than the preset new energy access assessment coefficient, it is determined that the power station new energy access project cannot be connected to the target energy access power station;

[0140] When the new energy access assessment coefficient is greater than or equal to the preset new energy access assessment coefficient, it is determined that the power station new energy access project can be connected to the target energy access power station.

[0141] The beneficial effect of the above technical solution is that the present invention can accurately determine whether the power station meets the conditions for new energy access, improve the evaluation accuracy and efficiency of the power station, ensure the stable access of new energy projects, and reduce the negative impact on the main grid.

[0142] In order to further explain the technical idea of ​​the present invention, the technical solution of the present invention is now described in combination with specific application scenarios.

[0143] Correspondingly, such as Figure 2 As shown, the present application also provides a power station new energy access control system, including:

[0144] The first module is used to receive a request for access to a new energy source of a power station, analyze the request for access to a new energy source of a power station, and determine a new energy access project for the power station;

[0145] The second module is used to collect current response data of the target energy access power station, obtain the historical energy access record of the target energy access power station, analyze the current response data according to the historical energy access record, and obtain abnormal response data and stable response data;

[0146] A third module is used to analyze the abnormal response data and the stable response data, and calculate a new energy access assessment coefficient of the target energy access power station based on the analysis result;

[0147] The fourth module is used to determine whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient.

[0148] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0149] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed by the present invention may be used in combination with each other in any manner, and the fact that these combinations are not fully described in this specification is only for the sake of omitting space and saving resources.

[0150] Those skilled in the art can understand that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for controlling access to new energy in a power station, characterized in that: include: Receiving a request for access to new energy sources of a power station, analyzing the request for access to new energy sources of the power station, and determining a new energy access project for the power station; Collect current response data of the target energy access power station, obtain historical energy access records of the target energy access power station, analyze the current response data according to the historical energy access records, and obtain abnormal response data and stable response data; Analyzing the abnormal response data and the stable response data, and calculating a new energy access assessment coefficient of the target energy access power station based on the analysis results; Based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, it is judged whether the power station new energy access project can be connected to the target energy access power station.

2. The power station new energy access control method according to claim 1, characterized in that: When obtaining the historical energy access record of the target energy access power station, analyzing the current response data according to the historical energy access record to obtain abnormal response data and stable response data, it includes: Acquire a successful energy access record adjacent to the power station's new energy access request from the historical energy access record; Acquire corresponding historical response data from the successful energy access record, and calculate a data mean and a data variance corresponding to the historical response data; Constructing a historical response data range according to the data mean and the data variance; Analyzing the current response data according to the relationship between the historical response data range and the current response data; When the current response data is within the range of the historical response data, the current response data is determined to be stable response data; When the current response data is not within the range of the historical response data, the current response data is determined to be abnormal response data.

3. The power station new energy access control method according to claim 1, characterized in that: When analyzing the abnormal response data and the stable response data, and calculating the new energy access assessment coefficient of the target energy access power station based on the analysis result, it includes: Performing dimensionless processing on the stable response data to obtain a stable response data set; Performing dimensionless processing on the abnormal response data to obtain an abnormal response data set; Calculating a stable data mean of the stable response data set, extracting all stable response data greater than or equal to the stable data mean, and calculating a stable data sum value; Calculate the abnormal data mean of the abnormal response data set, extract all abnormal response data greater than or equal to the abnormal data mean, and calculate the abnormal data sum value; Determine the comprehensive sum ratio of the stable data and value and the abnormal data and value, and calculate the initial new energy access assessment coefficient of the target energy access power station based on the stable data and value, the abnormal data and value and the comprehensive sum ratio.

4. The power station new energy access control method according to claim 3 is characterized in that: When calculating the initial new energy access assessment coefficient of the target energy access power station according to the stable data and value, the abnormal data and value and the comprehensive sum value ratio, it includes: The stable set and value corresponding to the stable response data set are calculated according to the following formula: Among them, w1 is the stable set and value corresponding to the stable response data set, n1 is the number of stable response data in the stable response data set, f is the stable data and value, e i is the ith stable response data, g i is the weight corresponding to the i-th stable response data; Calculate the abnormal set and value corresponding to the abnormal response data set according to the following formula; Among them, w2 is the abnormal set and value corresponding to the abnormal response data set, n2 is the number of abnormal response data in the abnormal response data set, p is the abnormal data and value, k j is the jth abnormal response data, h j is the weight corresponding to the j-th abnormal response data; determining a stable sum value ratio between the stable data sum value and the stable set sum value; determining an abnormality sum value ratio between the abnormal data sum value and the abnormal set sum value; determining a set sum value ratio between the stable set sum value and the abnormal set sum value; Determine a comprehensive ratio of the comprehensive sum value ratio and the set sum value ratio; An initial new energy access assessment coefficient of the target energy access power station is calculated according to the comprehensive ratio, the stable sum value ratio and the abnormal sum value ratio.

5. The power station new energy access control method according to claim 4 is characterized in that: When calculating the initial new energy access assessment coefficient of the target energy access power station according to the comprehensive ratio, the abnormal sum value ratio and the aggregate sum value ratio, it includes: The initial new energy access assessment coefficient of the target energy access power station is calculated according to the following formula: Among them, L is the initial new energy access assessment coefficient of the target energy access power station, q1 is the stable value ratio, q2 is the abnormal value ratio, and q is the comprehensive ratio.

6. The power station renewable energy access control method according to claim 1, characterized in that: Before judging whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, the method further includes: Analyze the historical energy access record, and generate a fluctuating successful access identifier and a non-fluctuating successful access identifier for the historical energy access record based on the analysis result; Counting the number of fluctuating identifiers of the fluctuating type successful access identifiers, and counting the number of non-fluctuating identifiers of the non-fluctuating type successful access identifiers; Determine the historical power station fluctuation time corresponding to each non-fluctuation type successful access identifier, and construct a historical power station fluctuation time set; Calculate the initial historical new energy access fluctuation coefficient of the target energy access power station according to the fluctuation identification number, the non-fluctuation identification number and the historical power station fluctuation time set; Setting an optimization factor of the initial new energy access assessment coefficient based on the historical new energy access fluctuation coefficient; The initial new energy access assessment coefficient is optimized according to the optimization factor to obtain the historical new energy access fluctuation coefficient of the target energy access power station, wherein the historical new energy access fluctuation coefficient is the product value of the optimization factor and the initial new energy access assessment coefficient.

7. The power station new energy access control method according to claim 6, characterized in that: When calculating the initial historical new energy access fluctuation coefficient of the target energy access power station according to the fluctuation identification number, the non-fluctuation identification number and the historical power station fluctuation time set, it includes: The initial historical new energy access fluctuation coefficient of the target energy access power station is calculated according to the following formula: Among them, r is the initial historical new energy access fluctuation coefficient of the target energy access power station, s1 is the first calculation coefficient, s2 is the second calculation coefficient, m1 is the number of fluctuation marks, m2 is the number of non-fluctuation marks, u t is the historical power station fluctuation time corresponding to the tth non-fluctuation type successful access identifier, and umax is the maximum historical power station fluctuation time.

8. The power station renewable energy access control method according to claim 6, characterized in that: When the optimization factor of the initial new energy access assessment coefficient is set based on the historical new energy access fluctuation coefficient, it includes: Presetting a first preset historical new energy access fluctuation coefficient and a second preset historical new energy access fluctuation coefficient; Presetting a first preset optimization factor, a second preset optimization factor, and a third preset optimization factor; When the historical new energy access fluctuation coefficient is less than the first preset historical new energy access fluctuation coefficient, the first preset optimization factor is selected as the optimization factor of the initial new energy access assessment coefficient; When the historical new energy access fluctuation coefficient is greater than or equal to the first preset historical new energy access fluctuation coefficient and less than the second preset historical new energy access fluctuation coefficient, the second preset optimization factor is selected as the optimization factor of the initial new energy access assessment coefficient; When the historical new energy access fluctuation coefficient is greater than or equal to the second preset historical new energy access fluctuation coefficient, the third preset optimization factor is selected as the optimization factor of the initial new energy access evaluation coefficient.

9. The power station new energy access control method according to claim 1, characterized in that: When judging whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient, it includes: When the new energy access assessment coefficient is less than the preset new energy access assessment coefficient, it is determined that the power station new energy access project cannot be connected to the target energy access power station; When the new energy access assessment coefficient is greater than or equal to the preset new energy access assessment coefficient, it is determined that the power station new energy access project can be connected to the target energy access power station.

10. A power station new energy access control system, characterized in that: include: The first module is used to receive a request for access to a new energy source of a power station, analyze the request for access to a new energy source of a power station, and determine a new energy access project for the power station; The second module is used to collect current response data of the target energy access power station, obtain the historical energy access record of the target energy access power station, analyze the current response data according to the historical energy access record, and obtain abnormal response data and stable response data; A third module is used to analyze the abnormal response data and the stable response data, and calculate a new energy access assessment coefficient of the target energy access power station based on the analysis result; The fourth module is used to determine whether the power station new energy access project can be connected to the target energy access power station based on the relationship between the new energy access assessment coefficient and the preset new energy access assessment coefficient.

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