Industrial and commercial energy storage power station capacity calculation method, system and medium

Through the automated energy storage power station capacity calculation method, multiple energy storage solutions are generated and the optimal solutions are selected, which solves the problem of time-consuming and inaccurate manual calculations, and realizes the optimized configuration and efficient management of the energy storage system.

CN119539454BActive Publication Date: 2025-05-13INSPUR ARTIFICIAL INTELLIGENCE RES INST CO LTD SHANDONG CHINA
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Patent Information

Application Number
CN202510106403.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-05-13
Estimated Expiration
2045-01-23

AI Technical Summary

Technical Problem

The capacity calculation of existing industrial and commercial energy storage power plants mainly relies on manual processing, which results in the calculation time-consuming and inaccurate calculation, and the optimal capacity configuration cannot be calculated.

Method used

A method for calculating capacity of industrial and commercial energy storage power stations is provided. By obtaining energy storage capacity limit parameters, preset charging parameters and preset discharge parameters, multiple energy storage plans are generated, and by calculating the actual annual charge and discharge capacity, annual cycle times and benefit coefficient, the final energy storage plan is determined.

Benefits of technology

The optimization of the capacity configuration of the energy storage system is achieved, ensuring that the capacity not only meets the minimum demand but also avoids excessive investment, and improving the overall cost-effectiveness and economic benefits of the system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application discloses a method, system and medium for calculating the capacity of an industrial and commercial energy storage power station, which mainly relates to the field of capacity calculation technology, and is used to solve the problem that the calculation of the capacity of existing energy storage power stations is mainly done manually, which is time-consuming and inaccurate. It includes: obtaining several energy storage schemes and the energy storage capacity corresponding to each energy storage scheme; obtaining the chargeable amount and dischargeable amount of each energy storage scheme in each preset charge and discharge period; calculating the actual annual charge and discharge amount, actual annual discharge amount and actual annual charge amount of each energy storage scheme based on the chargeable amount and dischargeable amount; calculating the annual number of cycles of each energy storage scheme; determining the energy storage scheme that meets the cycle requirements from all energy storage schemes; calculating the benefit coefficient of each energy storage scheme that meets the cycle requirements, and determining the energy storage scheme with the highest benefit coefficient as the final energy storage scheme.
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Description

Technical Field

[0001] The present application relates to the field of capacity calculation technology, and in particular to a method, system and medium for calculating the capacity of an industrial and commercial energy storage power station. Background Art

[0002] With the vigorous development of new energy, especially the continued rapid growth of installed capacity of wind power and photovoltaic power generation, the field of industrial and commercial energy storage has ushered in development opportunities and achieved significant and effective development. As an important part of the new energy system, industrial and commercial energy storage plays a vital role in balancing energy supply and demand and improving energy utilization efficiency.

[0003] The calculation of the capacity of energy storage power stations involved in industrial and commercial energy storage is mainly carried out through in-depth analysis of electricity consumption data for 365 days a year, 24 hours a day, and every 15 minutes. By comprehensively considering these refined electricity consumption data, a more accurate energy storage capacity configuration plan can be obtained. However, this calculation process currently relies mainly on manual processing and lacks the support of intelligent calculation tools. Manual processing not only has a huge amount of calculation and is extremely time-consuming, but is also prone to inaccurate calculations, resulting in the energy storage capacity plan being too large or too small, and the optimal capacity configuration cannot be calculated. This may not only increase the investment cost of the energy storage power station, but also affect its efficiency and benefits in actual operation.

[0004] Therefore, there is an urgent need for a method, system and medium for calculating the capacity of an industrial and commercial energy storage power station to explain the problem that the calculation of the capacity of the above-mentioned existing energy storage power stations is mainly done manually, which is time-consuming and inaccurate. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present application provides a method, system and medium for calculating the capacity of an industrial and commercial energy storage power station, so as to solve the problem that the calculation of the capacity of the existing energy storage power station is mainly done manually, which is time-consuming and inaccurate.

[0006] In a first aspect, the present application provides a method for calculating the capacity of an industrial and commercial energy storage power station, the method comprising:

[0007] Obtain energy storage capacity limitation parameters, preset charging parameters, and preset discharging parameters; wherein the energy storage capacity limitation parameters include at least the minimum required number of cycles, the minimum value of the energy storage capacity, and the maximum value of the energy storage capacity; based on the minimum value of the energy storage capacity and the maximum value of the energy storage capacity, obtain several energy storage schemes and the energy storage capacity corresponding to each energy storage scheme; according to the preset charging parameters, preset discharging parameters, and energy storage capacity, obtain the chargeable amount and dischargeable amount of each energy storage scheme in each preset charging and discharging period; according to the chargeable amount and dischargeable amount, calculate the actual annual charge and discharge amount, the actual annual discharge amount, and the actual annual charge amount of each energy storage scheme; according to the actual annual charge and discharge amount, calculate the annual number of cycles of each energy storage scheme; based on the relationship between the annual number of cycles and the minimum required number of cycles, determine the energy storage scheme that meets the cycle requirements from all energy storage schemes; according to the actual annual discharge amount and the actual annual charging amount, calculate the benefit coefficient of each energy storage scheme that meets the cycle requirements, and determine the energy storage scheme with the highest benefit coefficient as the final energy storage scheme.

[0008] The power station capacity calculation method provided in the embodiment of the present application is based on the minimum and maximum values ​​of the energy storage capacity. The present application can generate multiple energy storage solutions to ensure that the capacity configuration of the energy storage system not only meets the minimum requirements, but also avoids over-investment, thereby achieving optimal allocation of resources. By combining the preset charging and discharging parameters and energy storage capacity, the present application can accurately calculate the charging and discharging capabilities of each energy storage solution at different time periods, providing data support for the precise management of the energy storage system. By calculating the number of annual cycles and comparing it with the minimum required number of cycles, the present application can screen out energy storage solutions that meet the durability requirements, extend the service life of the energy storage system, and reduce long-term operating costs. By calculating the benefit coefficient and selecting the highest energy storage solution, the present application ensures that the selected solution is optimal in terms of economy and efficiency, and improves the overall cost performance and economic benefits of the energy storage system.

[0009] In one implementation of the present application, based on the minimum energy storage capacity and the maximum energy storage capacity, several energy storage schemes and the energy storage capacity corresponding to each energy storage scheme are obtained, specifically including:

[0010] According to the formula:

[0011] N= , calculate the total number of energy storage solutions; where, Indicates the maximum energy storage capacity, Indicates the minimum value of energy storage capacity;

[0012] According to the formula:

[0013] , n=0, 1, 2...N, calculate the energy storage capacity corresponding to each energy storage scheme; where, Represents the energy storage capacity corresponding to the nth energy storage solution.

[0014] In one implementation of the present application, according to preset charging parameters, preset discharging parameters and energy storage capacity, the chargeable amount and dischargeable amount of each energy storage scheme in each preset charging and discharging period are obtained, specifically including:

[0015] According to the formula:

[0016] ,

[0017] ,

[0018] Calculate the charge capacity of the nth energy storage solution in k preset charging and discharging periods ;

[0019] in, represents the charging efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, Indicates the preset power factor, Indicates the charging capacity of the transformer, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, represents the load power of the jth 15-minute period on the i-th day during the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net charge capacity in the jth 15 minutes of the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods.

[0020] In one implementation of the present application, according to preset charging parameters, preset discharging parameters and energy storage capacity, the chargeable amount and dischargeable amount of each energy storage scheme in each preset charging and discharging period are obtained, which specifically also includes:

[0021] According to the formula:

[0022] ,

[0023] ,

[0024] Calculate the discharge capacity of the nth energy storage solution in k preset charging and discharging periods ;

[0025] in, represents the discharge efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net discharge amount in the jth 15 minutes of the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods.

[0026] In one implementation of the present application, the actual annual charge and discharge capacity, the actual annual discharge capacity, and the actual annual charge capacity of each energy storage solution are calculated based on the chargeable capacity and the dischargeable capacity, specifically including:

[0027] By formula:

[0028] , calculate the charge and discharge amount of each preset charge and discharge period ;in, It represents the discharge capacity of the nth energy storage scheme in k preset charging and discharging periods, Indicates the chargeable capacity of the nth energy storage scheme in k preset charge and discharge periods;

[0029] , calculate and obtain the actual annual charge and discharge capacity;

[0030] , calculate the charge capacity of each preset charge and discharge period ;in, Indicates the charging efficiency of energy storage;

[0031] Annual Charge = , calculate and obtain the actual annual charging capacity; where K represents the total number of preset charging and discharging periods;

[0032] * , calculate the discharge capacity of each preset charge and discharge period ;in, Indicates the discharge efficiency of energy storage;

[0033] Yearly release = , calculate the actual annual discharge capacity.

[0034] In one implementation of the present application, the annual cycle times of each energy storage solution are calculated according to the actual annual charge and discharge amount, specifically including:

[0035] By formula:

[0036] , calculate the annual cycle number L of the nth energy storage solution;

[0037] in, Indicates the actual annual charge and discharge capacity, represents the energy storage capacity of the nth energy storage solution, Indicates the discharge efficiency of energy storage.

[0038] In one implementation of the present application, based on the relationship between the annual cycle number and the minimum required cycle number, an energy storage solution that meets the cycle requirements is determined from all energy storage solutions, specifically including:

[0039] It is determined that the energy storage scheme with an annual cycle number greater than or equal to the minimum required cycle number is an energy storage scheme that meets the cycle requirements.

[0040] In one implementation of the present application, the benefit coefficients of various energy storage solutions that meet the cycle requirements are calculated based on the actual annual discharge amount and the actual annual charge amount, and the energy storage solution with the highest benefit coefficient is determined as the final energy storage solution, specifically including:

[0041] By formula:

[0042] ,

[0043] Calculate the benefit coefficient of each energy storage solution that meets the cycle requirements ;

[0044] in, Indicates the actual annual discharge amount, Indicates the actual annual charging capacity, It represents the discharge price per kWh of the nth energy storage solution in the kth preset charging and discharging period, It represents the charging price per kWh of the nth energy storage solution in the kth preset charging and discharging period, represents the energy storage capacity of the nth energy storage solution, Indicates the total number of preset charge and discharge periods;

[0045] The energy storage solution with the highest benefit coefficient is determined as the final energy storage solution.

[0046] In a second aspect, the present application provides a capacity calculation system for an industrial and commercial energy storage power station, the system comprising:

[0047] An acquisition module is used to acquire energy storage capacity limitation parameters, preset charging parameters, and preset discharging parameters; wherein the energy storage capacity limitation parameters at least include the minimum required number of cycles, the minimum energy storage capacity, and the maximum energy storage capacity; based on the minimum energy storage capacity and the maximum energy storage capacity, a plurality of energy storage schemes and the energy storage capacity corresponding to each energy storage scheme are acquired;

[0048] A calculation module is used to obtain the chargeable amount and dischargeable amount of each energy storage scheme in each preset charge and discharge period according to preset charging parameters, preset discharge parameters and energy storage capacity; and calculate the actual annual charge and discharge amount, actual annual discharge amount and actual annual charge amount of each energy storage scheme according to the chargeable amount and dischargeable amount;

[0049] The determination module is used to calculate the annual cycle number of each energy storage scheme according to the actual annual charge and discharge amount; based on the relationship between the annual cycle number and the minimum required cycle number, determine the energy storage scheme that meets the cycle requirements from all energy storage schemes; calculate the benefit coefficient of each energy storage scheme that meets the cycle requirements according to the actual annual discharge amount and the actual annual charge amount, and determine the energy storage scheme with the highest benefit coefficient as the final energy storage scheme.

[0050] In a third aspect, the present application provides a non-volatile computer storage medium having computer instructions stored thereon, which when executed implement a method for calculating the capacity of an industrial and commercial energy storage power station as described in any one of the above items.

[0051] Those skilled in the art can understand that the present application has at least the following beneficial effects:

[0052] 1. Optimize energy storage capacity configuration: Based on the minimum and maximum energy storage capacity, this application can generate multiple energy storage solutions to ensure that the capacity configuration of the energy storage system meets the minimum demand while avoiding over-investment, thereby achieving optimal resource allocation.

[0053] 2. Accurate charging and discharging management: By combining the preset charging and discharging parameters and energy storage capacity, this application can accurately calculate the charging and discharging capabilities of each energy storage solution at different time periods, providing data support for the accurate management of the energy storage system.

[0054] 3. Improve system durability: By calculating the annual cycle number and comparing it with the minimum required cycle number, this application can screen out energy storage solutions that meet the durability requirements, extend the service life of the energy storage system, and reduce long-term operating costs.

[0055] 4. Improve economic benefits: By calculating the benefit coefficient and selecting the highest energy storage solution, this application ensures that the selected solution is optimal in terms of economy and efficiency, thereby improving the overall cost-effectiveness and economic benefits of the energy storage system.

[0056] In summary, this application achieves optimal configuration and efficient management of the automated energy storage system through refined parameter settings and calculation analysis, and solves the problem that the calculation of the capacity of existing energy storage power stations is mainly done manually, which is time-consuming and inaccurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Some embodiments of the present disclosure are described below with reference to the accompanying drawings, in which:

[0058] Figure 1 It is a flow chart of a method for calculating the capacity of an industrial and commercial energy storage power station provided in an embodiment of the present application.

[0059] Figure 2 It is a schematic diagram of the internal structure of an industrial and commercial energy storage power station capacity calculation system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0060] It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present disclosure, and do not mean that the present disclosure can only be implemented through the preferred embodiments. The preferred embodiments are only used to explain the technical principles of the present disclosure, and are not used to limit the protection scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work should still fall within the protection scope of the present disclosure.

[0061] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0062] In order to clearly describe the technical solutions of the embodiments of the present application, some terms and technologies involved in the embodiments of the present application are briefly introduced below:

[0063] The technical solution proposed in the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0064] The embodiment provides a method for calculating the capacity of an industrial and commercial energy storage power station. Figure 1 As shown, the method provided in the embodiment of the present application mainly includes the following steps:

[0065] Step 110: Obtain energy storage capacity limitation parameters, preset charging parameters, and preset discharging parameters; based on the minimum energy storage capacity and the maximum energy storage capacity, obtain several energy storage schemes and the energy storage capacity corresponding to each energy storage scheme.

[0066] It should be noted that the energy storage capacity limitation parameters include at least the minimum required number of cycles, the minimum energy storage capacity, and the maximum energy storage capacity;

[0067] The calculation process of the number of energy storage solutions and the energy storage capacity of each energy storage solution can be:

[0068] According to the formula:

[0069] N= , calculate the total number of energy storage solutions; where, Indicates the maximum energy storage capacity. Indicates the minimum energy storage capacity.

[0070] According to the formula:

[0071] , n=0, 1, 2...N, calculate the energy storage capacity corresponding to each energy storage scheme; where, Represents the energy storage capacity corresponding to the nth energy storage solution.

[0072] Step 120: Obtain the chargeable amount and dischargeable amount of each energy storage scheme in each preset charge and discharge period according to the preset charge parameters, preset discharge parameters and energy storage capacity; calculate the actual annual charge and discharge amount, actual annual discharge amount and actual annual charge amount of each energy storage scheme according to the chargeable amount and dischargeable amount.

[0073] It should be noted that the preset charging parameters may specifically include: the charging efficiency of energy storage, the preset charging rate, the preset power factor, the charging capacity of the transformer, the average load power of the jth 15 minutes of the i-th day of the k-th preset charging and discharging period, the load power of the jth 15 minutes of the i-th day of the k-th preset charging and discharging period, the start time of the preset charging and discharging period, the end time of the preset charging and discharging period, and the net charge amount of the jth 15 minutes of the i-th day of the preset charging and discharging period. The preset discharge parameters may specifically include: the discharge efficiency of energy storage, the preset charging rate, the average load power of the jth 15 minutes of the i-th day of the k-th preset charging and discharging period, the start time of the preset charging and discharging period, the end time of the preset charging and discharging period, and the net discharge amount of the jth 15 minutes of the i-th day of the preset charging and discharging period.

[0074] As an example, the scheme for calculating the chargeable amount may be:

[0075] According to the formula:

[0076] ,

[0077] ,

[0078] Calculate the charge capacity of the nth energy storage solution in k preset charging and discharging periods .

[0079] in, represents the charging efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, Indicates the preset power factor, Indicates the charging capacity of the transformer, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, represents the load power of the jth 15-minute period on the i-th day during the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net charge capacity in the jth 15 minutes of the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods.

[0080] As an example, the scheme for calculating the dischargeable amount may be:

[0081] According to the formula:

[0082] ,

[0083] ,

[0084] Calculate the discharge capacity of the nth energy storage solution in k preset charging and discharging periods .

[0085] in, represents the discharge efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net discharge amount in the jth 15 minutes of the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods.

[0086] As an example, the solution for calculating the actual annual charge and discharge capacity of each energy storage solution may be:

[0087] By formula:

[0088] , calculate the charge and discharge amount of each preset charge and discharge period ;in, It represents the discharge capacity of the nth energy storage scheme in k preset charging and discharging periods, Indicates the chargeable capacity of the nth energy storage scheme in k preset charge and discharge periods;

[0089] , calculate and obtain the actual annual charge and discharge capacity.

[0090] As an example, the solution for calculating the actual annual discharge amount may be:

[0091] , calculate the charge capacity of each preset charge and discharge period ;in, Indicates the charging efficiency of energy storage.

[0092] Annual Charge = , calculate the actual annual charging capacity; where K represents the total number of preset charging and discharging periods.

[0093] As an example, the solution for calculating the actual annual charging capacity may be:

[0094] * , calculate the discharge capacity of each preset charge and discharge period ;in, Indicates the discharge efficiency of energy storage.

[0095] Yearly release = , calculate the actual annual discharge capacity.

[0096] Step 130: Calculate the annual cycle number of each energy storage scheme according to the actual annual charge and discharge amount; and determine the energy storage scheme that meets the cycle requirements from all energy storage schemes based on the relationship between the annual cycle number and the minimum required cycle number.

[0097] As an example, the solution for calculating the annual cycle number of each energy storage solution may be:

[0098] By formula:

[0099] , calculate the annual cycle number L of the nth energy storage solution.

[0100] in, Indicates the actual annual charge and discharge capacity, represents the energy storage capacity of the nth energy storage solution, Indicates the discharge efficiency of energy storage.

[0101] Among them, based on the relationship between the annual cycle number and the minimum required cycle number, the energy storage scheme that meets the cycle requirements is determined from all energy storage schemes, which can be specifically:

[0102] It is determined that the energy storage scheme with an annual cycle number greater than or equal to the minimum required cycle number is an energy storage scheme that meets the cycle requirements.

[0103] Step 140: Calculate the benefit coefficients of various energy storage schemes that meet the cycle requirements based on the actual annual discharge amount and the actual annual charge amount, and determine the energy storage scheme with the highest benefit coefficient as the final energy storage scheme.

[0104] This step can be specifically as follows:

[0105] By formula:

[0106] ,

[0107] Calculate the benefit coefficient of each energy storage solution that meets the cycle requirements .

[0108] in, Indicates the actual annual discharge amount, Indicates the actual annual charging capacity, It represents the discharge price per kWh of the nth energy storage solution in the kth preset charging and discharging period, It represents the charging price per kWh of the nth energy storage solution in the kth preset charging and discharging period, represents the energy storage capacity of the nth energy storage solution, Indicates the total number of preset charge and discharge periods.

[0109] The energy storage solution with the highest benefit coefficient is determined as the final energy storage solution.

[0110] In addition, this application Figure 2 A capacity calculation system for an industrial and commercial energy storage power station is provided in an embodiment of the present application. Figure 2 As shown, the system provided in the embodiment of the present application mainly includes:

[0111] The acquisition module 210 is used to acquire energy storage capacity limitation parameters, preset charging parameters, and preset discharging parameters; wherein the energy storage capacity limitation parameters at least include the minimum required number of cycles, the minimum energy storage capacity, and the maximum energy storage capacity; based on the minimum energy storage capacity and the maximum energy storage capacity, a plurality of energy storage schemes and the energy storage capacity corresponding to each energy storage scheme are obtained;

[0112] The calculation module 220 is used to obtain the chargeable amount and dischargeable amount of each energy storage scheme in each preset charge and discharge period according to the preset charging parameters, preset discharging parameters and energy storage capacity; and calculate the actual annual charge and discharge amount, actual annual discharge amount and actual annual charge amount of each energy storage scheme according to the chargeable amount and dischargeable amount;

[0113] The determination module 230 is used to calculate the annual cycle number of each energy storage scheme according to the actual annual charge and discharge amount; determine the energy storage scheme that meets the cycle requirements from all energy storage schemes based on the relationship between the annual cycle number and the minimum required cycle number; calculate the benefit coefficient of each energy storage scheme that meets the cycle requirements according to the actual annual discharge amount and the actual annual charge amount, and determine the energy storage scheme with the highest benefit coefficient as the final energy storage scheme.

[0114] In addition, an embodiment of the present application further provides a non-volatile computer storage medium on which executable instructions are stored. When the executable instructions are executed, a method for calculating the capacity of an industrial and commercial energy storage power station as described above is implemented.

[0115] So far, the technical solutions of the present disclosure have been described in combination with the above multiple embodiments, but it is easy for those skilled in the art to understand that the protection scope of the present disclosure is not limited to these specific embodiments. Without departing from the technical principles of the present disclosure, those skilled in the art can split and combine the technical solutions in the above-mentioned various embodiments, and can also make equivalent changes or replacements to the relevant technical features. Any changes, equivalent replacements, improvements, etc. made within the technical concept and / or technical principle of the present disclosure will fall within the protection scope of the present disclosure.

Claims

1. A method for calculating the capacity of an industrial and commercial energy storage power station, characterized in that: The method comprises: Obtain energy storage capacity limitation parameters, preset charging parameters, and preset discharging parameters; wherein the energy storage capacity limitation parameters include at least the minimum required number of cycles, the minimum energy storage capacity, and the maximum energy storage capacity; based on the minimum energy storage capacity and the maximum energy storage capacity, obtain several energy storage schemes and the energy storage capacity corresponding to each energy storage scheme; According to the preset charging parameters, the preset discharging parameters and the energy storage capacity, the chargeable amount and the dischargeable amount of each energy storage scheme in each preset charging and discharging period are obtained; Specifically include: According to the formula: , , Calculate the charge capacity of the nth energy storage solution in k preset charging and discharging periods ; in, represents the charging efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, Indicates the preset power factor, Indicates the charging capacity of the transformer, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, represents the load power of the jth 15-minute period on the i-th day during the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net charge capacity of the jth 15-minute period on the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods; Specifically include: According to the formula: , , Calculate the discharge capacity of the nth energy storage solution in k preset charging and discharging periods ; in, represents the discharge efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net discharge amount in the jth 15-minute period on the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods; According to the chargeable and dischargeable capacities, calculate the actual annual charge and discharge capacity, actual annual discharge capacity and actual annual charge capacity of each energy storage solution; Calculate the annual cycle number of each energy storage solution based on the actual annual charge and discharge volume; determine the energy storage solution that meets the cycle requirements from all energy storage solutions based on the relationship between the annual cycle number and the minimum required cycle number; According to the actual annual discharge amount and the actual annual charge amount, the benefit coefficient of each energy storage scheme that meets the cycle requirements is calculated, and the energy storage scheme with the highest benefit coefficient is determined as the final energy storage scheme.

2. The method for calculating the capacity of an industrial and commercial energy storage power station according to claim 1, characterized in that: Based on the minimum energy storage capacity and the maximum energy storage capacity, several energy storage schemes and the energy storage capacity corresponding to each energy storage scheme are obtained, including: According to the formula: N= , calculate the total number of energy storage solutions; where, Indicates the maximum energy storage capacity. Indicates the minimum energy storage capacity; According to the formula: , n=0, 1, 2...N, calculate the energy storage capacity corresponding to each energy storage scheme; where, Represents the energy storage capacity corresponding to the nth energy storage solution.

3. The method for calculating the capacity of an industrial and commercial energy storage power station according to claim 1, characterized in that: According to the chargeable and dischargeable capacities, the actual annual charge and discharge capacity, actual annual discharge capacity and actual annual charge capacity of each energy storage solution are calculated, including: By formula: , calculate the charge and discharge amount of each preset charge and discharge period ;in, It represents the discharge capacity of the nth energy storage scheme in k preset charging and discharging periods, Indicates the chargeable capacity of the nth energy storage scheme in k preset charge and discharge periods; , calculate and obtain the actual annual charge and discharge capacity of the nth energy storage solution in the k preset charge and discharge periods; , calculate the charge capacity of each preset charge and discharge period ;in, Indicates the charging efficiency of energy storage; Annual Charge = , calculate and obtain the actual annual charging capacity; where K represents the total number of preset charging and discharging periods; * , calculate the discharge capacity of each preset charge and discharge period ;in, Indicates the discharge efficiency of energy storage; Yearly release = , calculate and obtain the actual annual discharge capacity.

4. The method for calculating the capacity of an industrial and commercial energy storage power station according to claim 1, characterized in that: According to the actual annual charge and discharge capacity, the annual cycle times of each energy storage solution are calculated, including: By formula: , calculate the annual cycle number L of the nth energy storage solution; in, represents the actual annual charge and discharge capacity of the nth energy storage solution, represents the energy storage capacity of the nth energy storage solution, Indicates the discharge efficiency of energy storage.

5. The method for calculating the capacity of an industrial and commercial energy storage power station according to claim 1, characterized in that: Based on the relationship between the annual cycle number and the minimum required cycle number, determine the energy storage solution that meets the cycle requirements from all energy storage solutions, including: It is determined that the energy storage scheme with an annual cycle number greater than or equal to the minimum required cycle number is an energy storage scheme that meets the cycle requirements.

6. The method for calculating the capacity of an industrial and commercial energy storage power station according to claim 1, characterized in that: According to the actual annual discharge and actual annual charge, calculate the benefit coefficient of each energy storage scheme that meets the cycle requirements, and determine the energy storage scheme with the highest benefit coefficient as the final energy storage scheme, including: By formula: , Calculate the benefit coefficient of each energy storage solution that meets the cycle requirements ; in, Indicates the actual annual discharge amount, Indicates the actual annual charging capacity, It represents the discharge price per kWh of the nth energy storage solution in the kth preset charging and discharging period, It represents the charging price per kWh of the nth energy storage solution in the kth preset charging and discharging period, represents the energy storage capacity of the nth energy storage solution, Indicates the total number of preset charge and discharge periods; The energy storage solution with the highest benefit coefficient is determined as the final energy storage solution.

7. An industrial and commercial energy storage power station capacity calculation system, characterized in that: The system comprises: An acquisition module is used to acquire energy storage capacity limitation parameters, preset charging parameters, and preset discharging parameters; wherein the energy storage capacity limitation parameters at least include the minimum required number of cycles, the minimum energy storage capacity, and the maximum energy storage capacity; based on the minimum energy storage capacity and the maximum energy storage capacity, a plurality of energy storage schemes and the energy storage capacity corresponding to each energy storage scheme are acquired; The calculation module is used to obtain the chargeable amount and dischargeable amount of each energy storage scheme in each preset charge and discharge period according to the preset charging parameters, preset discharging parameters and energy storage capacity; specifically includes: According to the formula: , , Calculate the charge capacity of the nth energy storage solution in k preset charging and discharging periods ; in, represents the charging efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, Indicates the preset power factor, Indicates the charging capacity of the transformer, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, represents the load power of the jth 15-minute period on the i-th day during the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net charge capacity of the jth 15-minute period on the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods; Specifically include: According to the formula: , , Calculate the discharge capacity of the nth energy storage solution in k preset charging and discharging periods ; in, represents the discharge efficiency of energy storage, Indicates the preset charging rate. represents the energy storage capacity of the nth energy storage solution, represents the average load power during the jth 15-minute period of the i-th day in the k-th preset charge and discharge period, Indicates the start time of the preset charge and discharge period. Indicates the end time of the preset charging and discharging period. represents the net discharge amount in the jth 15-minute period on the i-th day of the preset charge and discharge period, k belongs to [1, K], and K represents the total number of preset charge and discharge periods; According to the chargeable and dischargeable capacities, calculate the actual annual charge and discharge capacity, actual annual discharge capacity and actual annual charge capacity of each energy storage solution; The determination module is used to calculate the annual cycle number of each energy storage scheme according to the actual annual charge and discharge amount; based on the relationship between the annual cycle number and the minimum required cycle number, determine the energy storage scheme that meets the cycle requirements from all energy storage schemes; calculate the benefit coefficient of each energy storage scheme that meets the cycle requirements according to the actual annual discharge amount and the actual annual charge amount, and determine the energy storage scheme with the highest benefit coefficient as the final energy storage scheme.

8. A non-volatile computer storage medium, characterized in that: Computer instructions are stored thereon, and when the computer instructions are executed, a method for calculating the capacity of an industrial and commercial energy storage power station as described in any one of claims 1-6 is implemented.

Citation Information

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