Photovoltaic power station equipment access management method and system

Abstract

The invention discloses a photovoltaic power station equipment access management method and system, and the method comprises the steps: obtaining an access request of photovoltaic power station equipment and an access requirement of a power grid, and determining the equipment information in the access request; checking the equipment information according to the access requirement, and judging whether the equipment is allowed to access or not; acquiring pilot operation data of the allowed access equipment, analyzing the pilot operation data, and determining key operation parameters influencing the pilot operation state; evaluating the pilot run state based on the key operation parameters, and determining the access priority of the equipment according to an evaluation result; analyzing the equipment information of the access allowed equipment, and determining the access complexity of the equipment; and adjusting the access priority based on the access complexity to obtain an access sequence strategy of the equipment, and performing access management on the equipment according to the access sequence strategy. According to the invention, a photovoltaic power station manager and an operator can be helped to more scientifically and systematically manage the access of equipment, and the rationality of the access sequence of the equipment is ensured, so that the overall operation stability of the photovoltaic power station is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic power generation, and in particular to a method and system for managing access to photovoltaic power station equipment. Background Art

[0002] With the rapid development of renewable energy, photovoltaic power stations, as one of the important representatives of clean energy, have gradually become a hot spot in the energy industry. However, the access of photovoltaic power station equipment has an important impact on the operation of the power grid and the efficiency of photovoltaic power generation. In order to ensure that photovoltaic power station equipment is safely and stably connected to the power grid and operates normally while meeting the requirements of the power grid, it is very important to formulate a reasonable equipment access sequence management method. The access sequence management method of photovoltaic power station equipment aims to reasonably plan and manage the access of equipment through scientific processes and strategies, ensure the safe and stable access of equipment, and maximize the power generation efficiency.

[0003] However, traditional access management methods often lack systematicity and scientificity, lack comprehensive planning and management of the equipment access process, and easily lead to confusion and uncertainty in the access process. At the same time, traditional access management methods do not adequately consider the technical characteristics and complexity of photovoltaic power station equipment, and cannot effectively formulate reasonable access sequence strategies based on equipment characteristics. In addition, traditional access management methods lack intelligent technical support and cannot improve the scientificity and efficiency of the access sequence through data analysis and optimization. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a photovoltaic power station equipment access management method and system, including:

[0005] Obtaining access requests from photovoltaic power station equipment and access requirements from the power grid, and determining equipment information included in the access requests;

[0006] Review the equipment information according to the access requirements, and determine whether the photovoltaic power station equipment is allowed to access based on the review results;

[0007] Obtain the trial operation data of the photovoltaic power station equipment that is allowed to be connected, and analyze the trial operation data to determine the key operating parameters that affect the trial operation status of the photovoltaic power station equipment;

[0008] Evaluate the trial operation status of PV power station equipment based on key operating parameters, and determine the access priority of PV power station equipment according to the evaluation results;

[0009] Analyze the device information that is allowed to access the photovoltaic power station equipment and determine the access complexity of the photovoltaic power station equipment;

[0010] The access priority is adjusted based on the access complexity to obtain the access sequence strategy of the photovoltaic power station equipment, and the access management of the photovoltaic power station equipment is performed according to the access sequence strategy.

[0011] Furthermore, the device information is reviewed according to the access requirements, and whether the photovoltaic power station device is allowed to access is determined according to the review result, including:

[0012] Parse each device information to obtain device identity information and device parameter information of each device;

[0013] Verify the device identity information of each device, and after the device identity information is verified, obtain parameter information of the device parameter information corresponding to the access standard requirements in the access requirements;

[0014] According to the access requirements, review whether each parameter information meets the corresponding access standard requirements;

[0015] If all parameter information meets the corresponding access standard requirements, it is determined that the photovoltaic power station equipment is allowed to access. If all parameter information does not meet the corresponding access parameter requirements, it is determined that the photovoltaic power station equipment is not allowed to access.

[0016] Furthermore, the obtaining of the trial operation data of the photovoltaic power station equipment that is allowed to be accessed and the analysis of the trial operation data to determine the key operation parameters that affect the trial operation status of the photovoltaic power station equipment include:

[0017] Analyze the test operation data to obtain several operation parameter data groups, and calculate the data average value of each operation parameter data group;

[0018] Counting the number of data exceeding the data average in each operating parameter data group, and selecting each operating parameter data group whose data number reaches a set threshold as a candidate key operating parameter group;

[0019] The standard deviation of each candidate key operating parameter group is calculated, and the relationship between the standard deviation of each candidate key operating parameter group and the preset value is determined, and the candidate key operating parameter group whose standard deviation exceeds the preset value is determined as the key operating parameter affecting the trial operation status of the photovoltaic power station equipment.

[0020] Further, the evaluating the trial operation status of the photovoltaic power station equipment based on the key operation parameters and determining the access priority of the photovoltaic power station equipment according to the evaluation result includes:

[0021] The numerical difference between the standard deviation and the preset value of each key operating parameter is calculated, and an evaluation calculation is performed based on the numerical difference to obtain the evaluation value of each key operating parameter. The calculation formula for the evaluation value of each key operating parameter is:

[0022] S=α*(L-L0) / L0

[0023] Where S is the evaluation value of each key operating parameter, α is the evaluation coefficient, L is the standard deviation corresponding to each key operating parameter, and L0 is the preset value;

[0024] Analyze the correlation between each key operating parameter and the trial operation status, and calculate the sum of the correlations between all key operating parameters and the trial operation status;

[0025] Calculate the ratio of each correlation to the total, and use the ratio as the weight corresponding to each key operating parameter;

[0026] The evaluation value of each key operating parameter is weighted and added to the corresponding weight to obtain the status evaluation value of each photovoltaic power station equipment;

[0027] The access priority of each photovoltaic power station equipment is determined according to the status evaluation value of the photovoltaic power station equipment.

[0028] Furthermore, the step of determining the access priority of each photovoltaic power station device according to the status evaluation value of the photovoltaic power station device includes:

[0029] A preset access priority-state evaluation value interval correspondence relationship is provided, wherein the access priority-state evaluation value interval correspondence relationship is associated with a corresponding access priority for each state evaluation value interval;

[0030] A state evaluation value is obtained, and based on a mapping relationship between a state evaluation value interval to which the state evaluation value belongs and an access priority corresponding to the state evaluation value interval is selected as the access priority of each photovoltaic power station device.

[0031] Furthermore, the analyzing of the device information of the photovoltaic power station equipment that is allowed to be accessed to determine the access complexity of the photovoltaic power station equipment includes:

[0032] Obtaining device type and device technical parameters of the photovoltaic power station device from device information that is allowed to access the photovoltaic power station device;

[0033] Set the equipment coefficient of each photovoltaic power station equipment according to the equipment type, and calculate the difference between each equipment technical parameter of each photovoltaic power station equipment and the corresponding set standard value;

[0034] The access complexity of each photovoltaic power station equipment is calculated based on the equipment coefficient and the difference between the technical parameters of each equipment and the corresponding set standard value. The calculation formula for the access complexity of each photovoltaic power station equipment is:

[0035]

[0036] Among them, K is the access complexity of each photovoltaic power station equipment, β is the equipment coefficient of each photovoltaic power station equipment, D is each equipment technical parameter of each photovoltaic power station equipment, D0 is the corresponding set standard value of each equipment technical parameter of each photovoltaic power station equipment, and n is the number of parameters of the equipment technical parameters of each photovoltaic power station equipment.

[0037] Further, the access priority is adjusted based on the access complexity to obtain an access sequence strategy for photovoltaic power station equipment, and access management of photovoltaic power station equipment is performed according to the access sequence strategy, including:

[0038] Obtain the access complexity of each photovoltaic power station equipment, and determine the relationship between the access complexity and the preset value;

[0039] If the access complexity of the photovoltaic power station equipment is greater than the preset value, the access priority of the photovoltaic power station equipment is increased by one level; if the access complexity of the photovoltaic power station equipment is equal to the preset value, the access priority of the photovoltaic power station equipment is not adjusted; if the access complexity of the photovoltaic power station equipment is greater than the preset value, the access priority of the photovoltaic power station equipment is reduced by one level;

[0040] The photovoltaic power station equipment is sorted according to the access priority from large to small after the adjustment, and the access sequence strategy of the photovoltaic power station equipment is obtained, and the access management of the photovoltaic power station equipment is performed according to the access sequence strategy.

[0041] The present invention also provides a photovoltaic power station equipment access management system, comprising:

[0042] An acquisition module, used to acquire an access request of a photovoltaic power station device and an access requirement of a power grid, and determine device information included in the access request;

[0043] The review module is used to review the equipment information according to the access requirements and determine whether the photovoltaic power station equipment is allowed to access based on the review results;

[0044] An analysis module is used to obtain the trial operation data of the photovoltaic power station equipment that is allowed to be connected, and analyze the trial operation data to determine the key operation parameters that affect the trial operation status of the photovoltaic power station equipment;

[0045] An evaluation module, used to evaluate the trial operation status of photovoltaic power station equipment based on key operating parameters, and determine the access priority of photovoltaic power station equipment according to the evaluation results;

[0046] A determination module, used to analyze the device information of the photovoltaic power station equipment that is allowed to be connected, and determine the access complexity of the photovoltaic power station equipment;

[0047] The management module is used to adjust the access priority based on the access complexity, obtain the access sequence strategy of the photovoltaic power station equipment, and perform access management on the photovoltaic power station equipment according to the access sequence strategy.

[0048] Compared with the prior art, the photovoltaic power station equipment access management method and system according to the embodiment of the present invention have the following beneficial effects:

[0049] The present invention ensures that the technical parameters of photovoltaic power station equipment meet the access requirements of the power grid through review and analysis, thereby improving the compliance and safety of equipment access;

[0050] The present invention determines key operating parameters based on the analysis of trial operation data, evaluates the trial operation status of the equipment, and improves the reliability and stability of equipment access;

[0051] The present invention determines the access priority of photovoltaic power station equipment according to key operating parameters and equipment complexity, ensuring that the equipment is accessed and managed according to the priority;

[0052] The present invention formulates an access sequence strategy based on the access priority and complexity of the equipment to improve the effectiveness and controllability of the access of photovoltaic power station equipment;

[0053] The present invention can ensure that the photovoltaic power station equipment is safely and stably connected to the power grid through the overall process, and can operate normally while meeting the requirements of the power grid, thereby improving the safety and reliability of the photovoltaic power station. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 is a schematic diagram of the process structure of a photovoltaic power station equipment access management method in an embodiment of the present invention;

[0055] Figure 2 It is a schematic diagram of the composition of the photovoltaic power station equipment access management system in an embodiment of the present invention. DETAILED DESCRIPTION

[0056] The specific implementation methods of the present application are 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.

[0057] 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 the orientation or position relationship are the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the platform 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.

[0058] The terms "second" 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. Therefore, a feature defined with "second" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "multiple" means two or more.

[0059] 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.

[0060] like Figure 1 As shown, in an embodiment of the present application, a method for access management of photovoltaic power station equipment is provided, including: S100: obtaining an access request for photovoltaic power station equipment and an access requirement for a power grid, and determining the equipment information contained in the access request; S200: reviewing the equipment information according to the access requirement, and judging whether the photovoltaic power station equipment is allowed to access according to the review result; S300: obtaining the trial operation data of the photovoltaic power station equipment allowed to access, and analyzing the trial operation data to determine the key operating parameters that affect the trial operation status of the photovoltaic power station equipment; S400: evaluating the trial operation status of the photovoltaic power station equipment based on the key operating parameters, and determining the access priority of the photovoltaic power station equipment according to the evaluation result; S500: analyzing the equipment information of the photovoltaic power station equipment allowed to access, and determining the access complexity of the photovoltaic power station equipment; S600: adjusting the access priority based on the access complexity, obtaining the access sequence strategy of the photovoltaic power station equipment, and performing access management on the photovoltaic power station equipment according to the access sequence strategy.

[0061] Furthermore, the present invention ensures that the technical parameters of photovoltaic power station equipment meet the access requirements of the power grid through review and analysis, thereby improving the compliance and safety of equipment access; the present invention determines key operating parameters based on the analysis of trial operation data, evaluates the trial operation status of the equipment, and improves the reliability and stability of equipment access; the present invention determines the access priority of photovoltaic power station equipment according to key operating parameters and equipment complexity, and ensures that equipment access is managed according to priority; the present invention formulates an access sequence strategy based on the access priority and complexity of the equipment, thereby improving the effectiveness and controllability of photovoltaic power station equipment access; the present invention can ensure that photovoltaic power station equipment is safely and stably connected to the power grid through an overall process, and operates normally while meeting the requirements of the power grid, thereby improving the safety and reliability of the photovoltaic power station.

[0062] In an embodiment of the present application, a method for managing access to photovoltaic power station equipment is provided, wherein the device information is reviewed according to access requirements, and whether the photovoltaic power station equipment is allowed to access is determined according to the review results, including: parsing each device information to obtain device identity information and device parameter information of each device; verifying the device identity information of each device, and after the device identity information is verified, obtaining parameter information of the device parameter information corresponding to the access standard requirements in the access requirements; reviewing whether each parameter information meets the corresponding access standard requirements according to the access requirements; if all parameter information meets the corresponding access standard requirements, it is determined that the photovoltaic power station equipment is allowed to access, and if all parameter information does not meet the corresponding access parameter requirements, it is determined that the photovoltaic power station equipment is not allowed to access.

[0063] Specifically, the information of each device is parsed to obtain the identity information and parameter information of the device, and the identity information of the device is verified to ensure the authenticity and legality of the device; after the verification is passed, the device parameter information corresponding to the access standard requirements in the access requirements is obtained, and each parameter information is reviewed to check whether it meets the corresponding access standard requirements; if all parameter information meets the corresponding access standard requirements, it is judged that the photovoltaic power station equipment is allowed to access; if there is parameter information that does not meet the access standard requirements, it is judged that the photovoltaic power station equipment is not allowed to access. This process is suitable for access management of photovoltaic power station equipment. By verifying and reviewing the identity information and parameter information of the device, the compliance and security of device access can be effectively ensured. At the same time, this process also provides clear guidance for automated device access management, which can help photovoltaic power station managers manage the device access process more scientifically and systematically.

[0064] In an embodiment of the present application, a method for managing access to photovoltaic power station equipment is provided, wherein the method obtains trial operation data of photovoltaic power station equipment that is allowed to access, analyzes the trial operation data, and determines key operating parameters that affect the trial operation status of the photovoltaic power station equipment, including: parsing the trial operation data to obtain a plurality of operating parameter data groups, and calculating the data average value of each operating parameter data group; counting the number of data that exceeds the data average value in each operating parameter data group, and selecting each operating parameter data group whose data number reaches a set threshold as a candidate key operating parameter group; calculating the standard deviation of each candidate key operating parameter group, and judging the relationship between the standard deviation of each candidate key operating parameter group and a preset value, and determining the candidate key operating parameter group whose standard deviation exceeds the preset value as the key operating parameter that affects the trial operation status of the photovoltaic power station equipment.

[0065] Specifically, the trial operation data is parsed to obtain several operation parameter data groups, and the average value of each operation parameter data group is calculated; the number of data exceeding the data average value in each operation parameter data group is counted, and each operation parameter data group whose number of data exceeding the set threshold reaches the set threshold is selected as a candidate key operation parameter group; the standard deviation of the candidate key operation parameter group is calculated, and the relationship between the standard deviation of each candidate key operation parameter group and the preset value is determined, and the candidate key operation parameter group whose standard deviation exceeds the preset value is determined as the key operation parameter affecting the trial operation status of the photovoltaic power station equipment. This process can help analyze and screen the trial operation data and find out the key operation parameters that affect the trial operation status of the photovoltaic power station equipment. In this way, the trial operation status of the equipment can be evaluated more scientifically, providing important data support for the access and normal operation of the equipment.

[0066] In an embodiment of the present application, a method for access management of photovoltaic power station equipment is provided, wherein the trial operation status of the photovoltaic power station equipment is evaluated based on key operating parameters, and the access priority of the photovoltaic power station equipment is determined according to the evaluation result, including: calculating the numerical difference between the standard deviation corresponding to each key operating parameter and the preset value, and performing evaluation calculation based on the numerical difference to obtain the evaluation value of each key operating parameter, and the calculation formula of the evaluation value of each key operating parameter is:

[0067] S=α*(L-L0) / L0

[0068] Among them, S is the evaluation value of each key operating parameter, α is the evaluation coefficient, L is the standard deviation corresponding to each key operating parameter, and L0 is the preset value; analyze the correlation between each key operating parameter and the trial operation status, and calculate the sum of the correlations between all key operating parameters and the trial operation status; calculate the ratio of each correlation to the sum, and use the ratio as the weight corresponding to each key operating parameter; perform weighted addition calculation on the evaluation value of each key operating parameter and the corresponding weight to obtain the status evaluation value of each photovoltaic power station equipment; determine the access priority of each photovoltaic power station equipment according to the status evaluation value of the photovoltaic power station equipment.

[0069] Specifically, the numerical difference between the standard deviation and the preset value of each key operating parameter is calculated, and an evaluation calculation is performed based on the numerical difference to obtain the evaluation value of each key operating parameter; the correlation between each key operating parameter and the trial operation status is analyzed, and the sum of the correlations between all key operating parameters and the trial operation status is calculated; the ratio of each correlation to the sum is calculated, and the ratio is used as the weight corresponding to each key operating parameter, and the evaluation value of each key operating parameter is weighted and added with the corresponding weight to obtain the status evaluation value of each photovoltaic power station equipment; the access priority of each photovoltaic power station equipment is determined according to the status evaluation value of the photovoltaic power station equipment. This process provides a scientific evaluation method for the access priority of photovoltaic power station equipment by evaluating and calculating the weights of key operating parameters, combined with correlation analysis. It can help photovoltaic power station managers to consider the equipment status and correlation more comprehensively, so as to formulate reasonable equipment access priorities and improve the scientificity and accuracy of photovoltaic power station equipment access management.

[0070] In an embodiment of the present application, a method for access management of photovoltaic power station equipment is provided, wherein the access priority of each photovoltaic power station equipment is determined according to the status evaluation value of the photovoltaic power station equipment, including: presetting an access priority-status evaluation value interval correspondence relationship, wherein the access priority-status evaluation value interval correspondence relationship is associated with a corresponding access priority for each status evaluation value interval; obtaining a status evaluation value, and based on a mapping relationship between the status evaluation value interval to which the status evaluation value belongs within the access priority-status evaluation value interval correspondence relationship, selecting the access priority corresponding to the status evaluation value interval as the access priority of each photovoltaic power station equipment.

[0071] Specifically, a correspondence between a preset access priority and a state evaluation value interval is established to ensure that each state evaluation value interval is associated with a corresponding access priority; the state evaluation value of each photovoltaic power station device is obtained, and based on the mapping relationship between the state evaluation value interval to which the state evaluation value belongs in the access priority-state evaluation value interval correspondence relationship, the access priority corresponding to the state evaluation value interval is selected as the access priority of each photovoltaic power station device. Through this step, the access priority of the device can be quickly determined according to its state evaluation value, so that the access management of the device can be carried out in an orderly manner, which can help photovoltaic power station managers to prioritize the devices more efficiently and ensure the smooth access and operation of the devices.

[0072] In an embodiment of the present application, a method for managing access to photovoltaic power station equipment is provided, wherein the device information of the photovoltaic power station equipment allowed to be accessed is analyzed to determine the access complexity of the photovoltaic power station equipment, including: obtaining the device type and device technical parameters of the photovoltaic power station equipment from the device information of the photovoltaic power station equipment allowed to be accessed; setting the device coefficient of each photovoltaic power station equipment according to the device type, and calculating the difference between each device technical parameter of each photovoltaic power station equipment and the corresponding set standard value; calculating the access complexity of each photovoltaic power station equipment based on the device coefficient and the difference between each device technical parameter and the corresponding set standard value, and the access complexity calculation formula of each photovoltaic power station equipment is:

[0073]

[0074] Among them, K is the access complexity of each photovoltaic power station equipment, β is the equipment coefficient of each photovoltaic power station equipment, D is each equipment technical parameter of each photovoltaic power station equipment, D0 is the corresponding set standard value of each equipment technical parameter of each photovoltaic power station equipment, and n is the number of parameters of the equipment technical parameters of each photovoltaic power station equipment.

[0075] Specifically, the equipment type and equipment technical parameters of the photovoltaic power station equipment are obtained from the equipment information of the photovoltaic power station equipment that is allowed to be connected, and the equipment coefficient of each photovoltaic power station equipment is set according to the equipment type; the difference between each equipment technical parameter of each photovoltaic power station equipment and the corresponding set standard value is calculated, and the access complexity of each photovoltaic power station equipment is calculated based on the equipment coefficient and the difference between each equipment technical parameter and the corresponding set standard value. Through this process, the access complexity of each photovoltaic power station equipment can be quantitatively calculated based on the type, technical parameters and equipment coefficient of the equipment, which can help managers better understand the access difficulty of the equipment, formulate equipment access strategies in a targeted manner, and ensure the normal operation of photovoltaic power station equipment.

[0076] In an embodiment of the present application, a method for access management of photovoltaic power station equipment is provided, wherein the access priority is adjusted based on the access complexity to obtain the access sequence strategy of the photovoltaic power station equipment, and access management of the photovoltaic power station equipment is performed according to the access sequence strategy, including: obtaining the access complexity of each photovoltaic power station equipment, and judging the size relationship between the access complexity and a preset value; if the access complexity of the photovoltaic power station equipment is greater than the preset value, the access priority of the photovoltaic power station equipment is increased by one level; if the access complexity of the photovoltaic power station equipment is equal to the preset value, the access priority of the photovoltaic power station equipment is not adjusted; if the access complexity of the photovoltaic power station equipment is greater than the preset value, the access priority of the photovoltaic power station equipment is reduced by one level; sorting the adjusted photovoltaic power station equipment from large to small according to the access priority to obtain the access sequence strategy of the photovoltaic power station equipment, and access management of the photovoltaic power station equipment is performed according to the access sequence strategy.

[0077] Specifically, the access complexity of each photovoltaic power station equipment is obtained; the relationship between the access complexity and the preset value is determined. If the access complexity is greater than the preset value, the access priority of the photovoltaic power station equipment is increased by one level; if the access complexity is equal to the preset value, the access priority of the photovoltaic power station equipment is not adjusted; if the access complexity is less than the preset value, the access priority of the photovoltaic power station equipment is reduced by one level; the photovoltaic power station equipment is sorted from large to small according to the access priority after adjustment to obtain the access sequence strategy of the photovoltaic power station equipment; and the photovoltaic power station equipment is access managed according to the access sequence strategy. Through this process, the access priority can be flexibly adjusted according to the access complexity and preset value of the equipment, so as to reasonably arrange the access sequence of the photovoltaic power station equipment and ensure the normal operation of the equipment, which can help managers to manage the access of the equipment more scientifically and improve the access efficiency and the stability of the equipment operation.

[0078] like Figure 2 As shown, in an embodiment of the present application, a photovoltaic power station equipment access management system is provided, including: an acquisition module, used to obtain an access request for photovoltaic power station equipment and an access requirement for a power grid, and determine the equipment information contained in the access request; an audit module, used to audit the equipment information according to the access requirement, and determine whether the photovoltaic power station equipment is allowed to access according to the audit result; an analysis module, used to obtain the trial operation data of the photovoltaic power station equipment allowed to access, and analyze the trial operation data to determine the key operating parameters that affect the trial operation status of the photovoltaic power station equipment; an evaluation module, used to evaluate the trial operation status of the photovoltaic power station equipment based on the key operating parameters, and determine the access priority of the photovoltaic power station equipment according to the evaluation result; a determination module, used to analyze the equipment information of the photovoltaic power station equipment allowed to access, and determine the access complexity of the photovoltaic power station equipment; a management module, used to adjust the access priority based on the access complexity, obtain the access sequence strategy of the photovoltaic power station equipment, and perform access management on the photovoltaic power station equipment according to the access sequence strategy.

[0079] In summary, the embodiment of the present invention provides a method and system for managing access to photovoltaic power station equipment, which includes: obtaining access requests of photovoltaic power station equipment and access requirements of power grids, and determining equipment information in access requests; reviewing equipment information according to access requirements to determine whether equipment is allowed to access; obtaining trial operation data of equipment that is allowed to access, and analyzing it to determine key operating parameters that affect the trial operation status; evaluating the trial operation status based on key operating parameters, and determining the access priority of equipment according to the evaluation results; analyzing the equipment information of equipment that is allowed to access, and determining the access complexity of equipment; adjusting the access priority based on the access complexity to obtain the access sequence strategy of the equipment, and managing the access of equipment according to it. The present invention can help managers and operators of photovoltaic power stations to manage the access of equipment more scientifically and systematically, ensure the rationality of the equipment access sequence, and thus improve the stability of the overall operation of photovoltaic power stations.

[0080] Finally, it should be noted that it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0081] The above is only an example of implementation of the present invention, but it cannot be used to limit the scope of the present invention. Any structural changes made according to the present invention, as long as they do not lose the essence of the present invention, should be regarded as falling within the scope of protection of the present invention and being restricted. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working process and related instructions of the platform described above can refer to the corresponding process in the aforementioned platform embodiment, and will not be repeated here.

[0082] The term "comprises" or any other similar term is intended to cover a non-exclusive inclusion such that a process, platform, article, or apparatus / platform that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, platform, article, or apparatus / platform.

[0083] So far, the technical solutions of the present invention have been described in conjunction with the further embodiments shown in the accompanying drawings, but it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0084] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A photovoltaic power station equipment access management method, characterized in that: include: Obtaining access requests from photovoltaic power station equipment and access requirements from the power grid, and determining equipment information included in the access requests; Review the equipment information according to the access requirements, and determine whether the photovoltaic power station equipment is allowed to access based on the review results; Obtain the trial operation data of the photovoltaic power station equipment that is allowed to be connected, and analyze the trial operation data to determine the key operating parameters that affect the trial operation status of the photovoltaic power station equipment; Evaluate the trial operation status of PV power station equipment based on key operating parameters, and determine the access priority of PV power station equipment according to the evaluation results; Analyze the device information that is allowed to access the photovoltaic power station equipment and determine the access complexity of the photovoltaic power station equipment; The access priority is adjusted based on the access complexity to obtain the access sequence strategy of the photovoltaic power station equipment, and the access management of the photovoltaic power station equipment is performed according to the access sequence strategy.

2. A photovoltaic power station equipment access management method according to claim 1, characterized in that: The device information is reviewed according to the access requirements, and whether the photovoltaic power station device is allowed to access is determined according to the review results, including: Parse each device information to obtain device identity information and device parameter information of each device; Verify the device identity information of each device, and after the device identity information is verified, obtain parameter information of the device parameter information corresponding to the access standard requirements in the access requirements; According to the access requirements, review whether each parameter information meets the corresponding access standard requirements; If all parameter information meets the corresponding access standard requirements, it is determined that the photovoltaic power station equipment is allowed to access. If all parameter information does not meet the corresponding access parameter requirements, it is determined that the photovoltaic power station equipment is not allowed to access.

3. A photovoltaic power station equipment access management method according to claim 1, characterized in that: The obtaining of the trial operation data of the photovoltaic power station equipment that is allowed to be connected, and analyzing the trial operation data to determine the key operation parameters that affect the trial operation state of the photovoltaic power station equipment, includes: Analyze the test operation data to obtain several operation parameter data groups, and calculate the data average value of each operation parameter data group; Counting the number of data exceeding the data average in each operating parameter data group, and selecting each operating parameter data group whose data number reaches a set threshold as a candidate key operating parameter group; The standard deviation of each candidate key operating parameter group is calculated, and the relationship between the standard deviation of each candidate key operating parameter group and the preset value is determined, and the candidate key operating parameter group whose standard deviation exceeds the preset value is determined as the key operating parameter affecting the trial operation status of the photovoltaic power station equipment.

4. A photovoltaic power station equipment access management method according to claim 3, characterized in that: The step of evaluating the trial operation status of the photovoltaic power station equipment based on the key operation parameters and determining the access priority of the photovoltaic power station equipment according to the evaluation results includes: The numerical difference between the standard deviation and the preset value of each key operating parameter is calculated, and an evaluation calculation is performed based on the numerical difference to obtain the evaluation value of each key operating parameter. The calculation formula for the evaluation value of each key operating parameter is: S=α*(L-L0) / L0 Where S is the evaluation value of each key operating parameter, α is the evaluation coefficient, L is the standard deviation corresponding to each key operating parameter, and L0 is the preset value; Analyze the correlation between each key operating parameter and the trial operation status, and calculate the sum of the correlations between all key operating parameters and the trial operation status; Calculate the ratio of each correlation to the total, and use the ratio as the weight corresponding to each key operating parameter; The evaluation value of each key operating parameter is weighted and added to the corresponding weight to obtain the status evaluation value of each photovoltaic power station equipment; The access priority of each photovoltaic power station equipment is determined according to the status evaluation value of the photovoltaic power station equipment.

5. A photovoltaic power station equipment access management method according to claim 3, characterized in that: The step of determining the access priority of each photovoltaic power station device according to the status evaluation value of the photovoltaic power station device comprises: A preset access priority-state evaluation value interval correspondence relationship is provided, wherein the access priority-state evaluation value interval correspondence relationship is associated with a corresponding access priority for each state evaluation value interval; A state evaluation value is obtained, and based on a mapping relationship between a state evaluation value interval to which the state evaluation value belongs and an access priority corresponding to the state evaluation value interval is selected as the access priority of each photovoltaic power station device.

6. A photovoltaic power station equipment access management method according to claim 5, characterized in that: The analyzing the device information that is allowed to access the photovoltaic power station device to determine the access complexity of the photovoltaic power station device includes: Obtaining device type and device technical parameters of the photovoltaic power station device from device information that is allowed to access the photovoltaic power station device; Set the equipment coefficient of each photovoltaic power station equipment according to the equipment type, and calculate the difference between each equipment technical parameter of each photovoltaic power station equipment and the corresponding set standard value; The access complexity of each photovoltaic power station equipment is calculated based on the equipment coefficient and the difference between the technical parameters of each equipment and the corresponding set standard value. The calculation formula for the access complexity of each photovoltaic power station equipment is: Among them, K is the access complexity of each photovoltaic power station equipment, β is the equipment coefficient of each photovoltaic power station equipment, D is each equipment technical parameter of each photovoltaic power station equipment, D0 is the corresponding set standard value of each equipment technical parameter of each photovoltaic power station equipment, and n is the number of parameters of the equipment technical parameters of each photovoltaic power station equipment.

7. A photovoltaic power station equipment access management method according to claim 6, characterized in that: The access priority is adjusted based on the access complexity to obtain an access sequence strategy for photovoltaic power station equipment, and access management of photovoltaic power station equipment is performed according to the access sequence strategy, including: Obtain the access complexity of each photovoltaic power station equipment, and determine the relationship between the access complexity and the preset value; If the access complexity of the photovoltaic power station equipment is greater than the preset value, the access priority of the photovoltaic power station equipment is increased by one level; if the access complexity of the photovoltaic power station equipment is equal to the preset value, the access priority of the photovoltaic power station equipment is not adjusted; if the access complexity of the photovoltaic power station equipment is greater than the preset value, the access priority of the photovoltaic power station equipment is reduced by one level; The photovoltaic power station equipment is sorted according to the access priority from large to small after the adjustment, and the access sequence strategy of the photovoltaic power station equipment is obtained, and the access management of the photovoltaic power station equipment is performed according to the access sequence strategy.

8. A photovoltaic power station equipment access management system, characterized in that: include: An acquisition module, used to acquire an access request of a photovoltaic power station device and an access requirement of a power grid, and determine device information included in the access request; The review module is used to review the equipment information according to the access requirements and determine whether the photovoltaic power station equipment is allowed to access based on the review results; An analysis module is used to obtain the trial operation data of the photovoltaic power station equipment that is allowed to be connected, and analyze the trial operation data to determine the key operation parameters that affect the trial operation status of the photovoltaic power station equipment; An evaluation module, used to evaluate the trial operation status of photovoltaic power station equipment based on key operating parameters, and determine the access priority of photovoltaic power station equipment according to the evaluation results; A determination module, used to analyze the device information of the photovoltaic power station equipment that is allowed to be connected, and determine the access complexity of the photovoltaic power station equipment; The management module is used to adjust the access priority based on the access complexity, obtain the access sequence strategy of the photovoltaic power station equipment, and perform access management on the photovoltaic power station equipment according to the access sequence strategy.

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