Method, system and device for calculating effective capacity of new energy and energy storage

Abstract

The application relates to a method, system and device for calculating effective capacity of new energy and energy storage. By collecting relevant data of new energy and energy storage power station to be calculated for effective capacity, the collected data are used to calculate initial capacity of the new energy and initial capacity of the energy storage power station respectively; the results of the previous step are used to obtain effective capacity of the new energy and initial capacity of the energy storage power station; finally, the original effective capacity of the energy storage power station is corrected by using a preset first processing rule to obtain effective capacity of the energy storage power station. The technical scheme provided by the application can realize effective capacity calculation of different types of new energy and consider effective capacity calculation of energy storage under capacity attenuation. Through the method for accurately calculating effective capacity, the continuity and reliability of system power supply can be ensured, the application has strong landing property and high applicability, and can effectively fill the research blank in the field of new energy and energy storage in effective capacity calculation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of effective capacity calculation of new energy and energy storage, and in particular to a method, system and device for calculating effective capacity of new energy and energy storage. BACKGROUND

[0002] Under the background of building a new power system, the development and utilization of new energy such as wind energy and solar energy will become the focus of future development. However, the volatility and unpredictability of new energy generation bring certain challenges to accurate evaluation of its effective capacity. Effective capacity is crucial to the safety and stability of the power system, which can ensure the stability of the system under various operating conditions and support resource optimization, risk management, market operation and emergency response. Accurate evaluation of effective capacity helps power system planning, design, operation and regulatory compliance, ensuring the reliability of power supply and the long-term safety of the power grid. The existing technology is in the initial exploration stage for new energy effective capacity calculation method and energy storage effective capacity calculation.

[0003] China is building a new power system dominated by new energy generation. However, new energy generation has the characteristics of volatility and randomness, which brings challenges to the stable operation of the power grid. Energy storage technology can effectively alleviate the instability caused by the increasing proportion of new energy generation due to its flexibility and high reliability, ensuring the smooth operation of the power grid. However, in the existing technology, the impact of capacity degradation caused by the increase in the number of cycles on effective capacity is not fully considered when calculating the effective capacity of energy storage, resulting in a lower-than-expected accuracy of energy storage effective capacity calculation, further affecting the continuity and reliability of system power supply.

[0004] Therefore, based on the research results of the existing effective capacity calculation method, the academic community has not yet formed a unified new energy effective capacity calculation method at this stage. When calculating the effective capacity of energy storage, the impact of capacity degradation caused by the increase in the number of cycles is not fully considered, resulting in a lower-than-expected accuracy of energy storage effective capacity calculation, further affecting the continuity and reliability of system power supply. SUMMARY

[0005] Therefore, the present application aims to provide a method, system and device for calculating the effective capacity of new energy and energy storage to solve the problem that the academic community has not yet formed a unified new energy effective capacity calculation method at this stage in the existing technology, and the impact of capacity degradation caused by the increase in the number of cycles is not fully considered when calculating the effective capacity of energy storage, resulting in a lower-than-expected accuracy of energy storage effective capacity calculation, further affecting the continuity and reliability of system power supply.

[0006] According to a first aspect of an embodiment of the present application, a method for calculating effective capacity of new energy and energy storage is provided, comprising:

[0007] collecting installed capacity data, output characteristic data, annual maintenance outage rate data, annual accident outage rate data, and auxiliary power rate data of the new energy whose effective capacity is to be calculated, and other data; wherein the other data comprises annual average utilization hours of the new energy, total hours of the year to be calculated;

[0008] collecting installed capacity data of the energy storage whose effective capacity is to be calculated, initial capacity of the energy storage power station, and annual equivalent availability coefficient of the energy storage power station;

[0009] The installed capacity data of the energy storage whose effective capacity is to be calculated comprises rated power data of the energy storage power station, discharge efficiency data of the energy storage power station, and discharge depth data of the energy storage power station.

[0010] The initial capacity of the new energy is calculated by using the collected other data of the new energy whose effective capacity is to be calculated, and the initial capacity of the energy storage power station is calculated by using the collected installed capacity data of the energy storage whose effective capacity is to be calculated.

[0011] The effective capacity of the new energy is calculated by using the initial capacity of the new energy, the annual maintenance outage rate data, the annual accident outage rate data, and the auxiliary power rate data of the new energy whose effective capacity is to be calculated, and the original effective capacity of the energy storage power station is calculated by using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station.

[0012] The original effective capacity of the energy storage power station is corrected by using a preset first processing rule to obtain the effective capacity of the energy storage power station.

[0013] Further, the initial capacity of the new energy is calculated by using the collected other data of the new energy whose effective capacity is to be calculated, and the initial capacity of the energy storage power station is calculated by using the collected installed capacity data of the energy storage whose effective capacity is to be calculated, comprising:

[0014] The initial capacity of the new energy is calculated by using the collected other data of the new energy whose effective capacity is to be calculated and a preset first formula.

[0015] The initial capacity of the energy storage power station is calculated by using the collected installed capacity data of the energy storage whose effective capacity is to be calculated and a preset second formula.

[0016] Further, the preset first formula comprises:

[0017]

[0018] wherein C 0,r is the initial capacity of the new energy, Ta is the average annual utilization hours of new energy, T s is the total hours of the year, usually 8760 hours, C s is the installed capacity data of new energy.

[0019] Further, the preset second formula comprises:

[0020] C 0,b = P r × L dis × DoD (2)

[0021] In the formula, C 0,b is the initial capacity of the energy storage power station, P r is the rated power of the energy storage power station, L dis is the discharge efficiency of the energy storage power station, and DoD is the discharge depth of the energy storage power station.

[0022] Further, the initial capacity of the new energy, the annual maintenance outage rate data, the annual accident outage rate data and the auxiliary power rate data of the new energy to be calculated effective capacity are used to calculate the effective capacity of the new energy, and the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station are used to calculate the original effective capacity of the energy storage power station, comprising:

[0023] The initial capacity of the new energy, the annual maintenance outage rate data, the annual accident outage rate data and the auxiliary power rate data of the new energy to be calculated effective capacity are used to calculate the effective capacity of the new energy by a preset third formula;

[0024] The initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station are used to calculate the original effective capacity of the energy storage power station by a preset fourth formula.

[0025] Further, the preset third formula comprises:

[0026] C e,r = C 0,r × (1-L m -L n ) × (1-L fcy ) (3)

[0027] In the formula, C e,r is the effective capacity of the new energy, C 0,r is the initial capacity of the new energy, L m is the annual maintenance outage rate of the new energy, L n is the annual accident outage rate of the new energy, L fcy is the auxiliary power rate of the new energy.

[0028] Further, the preset fourth formula comprises:

[0029] C e,bs =C 0,b ×k e (4)

[0030] wherein, C e,bs is the original effective capacity of the energy storage power station, C0is the initial capacity of the energy storage power station, k e is the annual equivalent availability factor of the energy storage power station.

[0031] Further, the original effective capacity of the energy storage power station is corrected by using the preset first processing rule to obtain the effective capacity of the energy storage power station, including:

[0032] The original effective capacity of the energy storage power station is corrected by using the preset fifth formula to obtain the effective capacity of the energy storage power station, by using the obtained cycle number, the original effective capacity of the energy storage power station, and the original effective capacity of the energy storage power station.

[0033] The preset fifth formula includes:

[0034]

[0035] wherein, C e,b is the effective capacity of the energy storage power station, C e,bs is the original effective capacity of the energy storage power station, and N is the equivalent cycle number of the energy storage power station.

[0036] According to the second aspect of the embodiment of the present application, a system for calculating the effective capacity of new energy and energy storage is provided, which is applied to the method for calculating the effective capacity of new energy and energy storage, and is characterized in that it comprises:

[0037] The acquisition module is used to collect the installed capacity data, output characteristic data, annual maintenance outage rate data, annual accident outage rate data, and auxiliary power consumption rate data of the new energy whose effective capacity is to be calculated, as well as other data; wherein the other data includes the annual average utilization hours of the new energy and the total hours of the year to be calculated.

[0038] The installed capacity data of the energy storage whose effective capacity is to be calculated, the initial capacity of the energy storage power station, and the annual equivalent availability factor of the energy storage power station are collected.

[0039] The installed capacity data of the energy storage whose effective capacity is to be calculated includes the rated power data of the energy storage power station, the discharge efficiency data of the energy storage power station, and the discharge depth data of the energy storage power station.

[0040] The first processing module is used to calculate the initial capacity of the new energy by using the collected other data of the new energy whose effective capacity is to be calculated, and to calculate the initial capacity of the energy storage power station by using the collected installed capacity data of the energy storage whose effective capacity is to be calculated.

[0041] The second processing module is configured to calculate the effective capacity of the new energy by using the initial capacity of the new energy, annual maintenance outage rate data, annual accident outage rate data and plant power rate data of the new energy whose effective capacity is to be calculated, and calculate the original effective capacity of the energy storage power station by using the initial capacity of the energy storage power station and the annual equivalent available coefficient of the energy storage power station.

[0042] The third processing module is configured to correct the original effective capacity of the energy storage power station by using a preset first processing rule to obtain the effective capacity of the energy storage power station.

[0043] According to a third aspect of the embodiments of the present application, an apparatus for calculating effective capacities of new energy and energy storage is provided, and the apparatus comprises:

[0044] a memory having a stored executable program thereon;

[0045] a processor configured to execute the executable program in the memory to implement the steps of any one of the above methods.

[0046] The technical solutions provided by the embodiments of the present application can have the following beneficial effects:

[0047] It can be understood that the technical scheme provided by the present application can realize the effective capacity calculation of different types of new energy and consider the effective capacity calculation of energy storage under capacity attenuation. Through these methods for accurately calculating the effective capacity, the continuity and reliability of system power supply can be ensured, the present application has strong practicability and high applicability, and can effectively fill the research gap in the effective capacity calculation of new energy and energy storage.

[0048] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and are not limiting to the present application. BRIEF DESCRIPTION OF DRAWINGS

[0049] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present application and serve to explain the principles of the present application together with the specification.

[0050] Figure 1 is a step schematic diagram of a method for calculating the effective capacity of new energy and energy storage according to an exemplary embodiment;

[0051] Figure 2 is a system composition schematic diagram of a system for calculating the effective capacity of new energy and energy storage according to an exemplary embodiment;

[0052] Figure 3 is a device composition schematic diagram of a device for calculating the effective capacity of new energy and energy storage according to an exemplary embodiment. DETAILED DESCRIPTION

[0053] The exemplary embodiments will be described in detail below with reference to the drawings. The following description is presented in connection with the drawings, in which the same reference numerals are used to designate the same or similar elements throughout the several figures. The implementations described in the following exemplary embodiments are not meant to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0054] Embodiment One

[0055] Referring to Figure 1 , Figure 1 is a schematic diagram of steps of a method for calculating effective capacity of new energy and energy storage according to an exemplary embodiment, the method comprising:

[0056] S1. Collecting installed capacity data, output characteristic data, annual maintenance outage rate data, annual accident outage rate data, and auxiliary power rate data of new energy for which effective capacity is to be calculated, as well as other data; wherein the other data includes: annual average utilization hours of new energy, total hours of the year to be calculated;

[0057] Collecting installed capacity data of energy storage for which effective capacity is to be calculated, initial capacity of energy storage power station, annual equivalent availability coefficient of energy storage power station;

[0058] The installed capacity data of energy storage for which effective capacity is to be calculated includes: rated power data of energy storage power station, discharge efficiency data of energy storage power station, discharge depth data of energy storage power station;

[0059] S2. Calculating initial capacity of new energy using the collected other data of new energy for which effective capacity is to be calculated, and calculating initial capacity of energy storage power station using the collected installed capacity data of energy storage for which effective capacity is to be calculated;

[0060] S3. Calculating effective capacity of new energy using the initial capacity of new energy, annual maintenance outage rate data, annual accident outage rate data, and auxiliary power rate data of new energy for which effective capacity is to be calculated, and calculating original effective capacity of energy storage power station using the initial capacity of energy storage power station and annual equivalent availability coefficient of energy storage power station;

[0061] S4. Correcting the original effective capacity of energy storage power station using a preset first processing rule to obtain effective capacity of energy storage power station.

[0062] In specific implementation, the application first collects the basic data of new energy and energy storage, then calculates the initial capacity of new energy and energy storage according to the basic data, and finally calculates the effective capacity thereof through the obtained initial capacity. Through the application, the calculation of the effective capacity of new energy and energy storage can be quickly realized, and the effective capacity of the energy storage power station is corrected under the influence of capacity attenuation. The application has strong applicability and high applicability, and can effectively fill the research gap in the calculation of effective capacity in the field of new energy and energy storage.

[0063] In one embodiment, in the process of building a new power system, new energy and energy storage are crucial for promoting the transformation of the energy industry. Accurate calculation of the effective capacity thereof is of great significance to ensure the continuity of power supply and the stability of the power system. Therefore, a method for calculating the effective capacity of new energy and energy storage is proposed, which includes the following steps.

[0064] In specific implementation, the initial capacity of new energy is calculated by using the collected other data of the new energy whose effective capacity is to be calculated, and the initial capacity of the energy storage power station is calculated by using the collected installed capacity data of the energy storage whose effective capacity is to be calculated.

[0065] The initial capacity of new energy is calculated by using the collected other data of the new energy whose effective capacity is to be calculated and a preset first formula.

[0066] The initial capacity of the energy storage power station is calculated by using the collected installed capacity data of the energy storage whose effective capacity is to be calculated and a preset second formula.

[0067] In one embodiment, the preset first formula includes:

[0068]

[0069] In the formula, C 0,r is the initial capacity of new energy, T a is the annual average utilization hours of new energy, T s is the total hours of the year, usually 8760 hours, and C s is the installed capacity data of new energy.

[0070] Further, the preset second formula includes:

[0071] C 0,b = P r × L dis × DoD (2)

[0072] In the formula, C 0,b is the initial capacity of the energy storage power station, P r is the rated power of the energy storage power station, L disis the discharge efficiency of the energy storage station, and DoD is the discharge depth of the energy storage station.

[0073] In one embodiment, the calculating of the effective capacity of the new energy source using the initial capacity of the new energy source, the annual maintenance outage rate data, the annual accident outage rate data, and the plant power rate data of the new energy source for which the effective capacity is to be calculated, and the calculating of the original effective capacity of the energy storage power station using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station include:

[0074] Calculating the effective capacity of the new energy source using a preset third formula using the initial capacity of the new energy source, the annual maintenance outage rate data, the annual accident outage rate data, and the plant power consumption rate data of the new energy source for which the effective capacity is to be calculated;

[0075] The original effective capacity of the energy storage power station is calculated using a preset fourth formula using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station.

[0076] Furthermore, the preset third formula includes:

[0077] C e,r =C 0,r ×(1-L m -L n )×(1-L fcy ) (3)

[0078] Where C e,r is the effective capacity of new energy, C 0,r is the initial capacity of the new energy, L m is the annual maintenance outage rate of new energy, L n is the annual accident outage rate of new energy, L fcy is the electricity consumption rate of new energy plants.

[0079] Furthermore, the preset fourth formula includes:

[0080] C e,bs =C 0,b ×k e (4)

[0081] Where C e,bs is the original effective capacity of the energy storage power station, C0 is the initial capacity of the energy storage power station, k e is the annual equivalent availability factor of the energy storage power station.

[0082] Furthermore, the method of correcting the original effective capacity of the energy storage power station by using a preset first processing rule to obtain the effective capacity of the energy storage power station includes:

[0083] The effective capacity of the energy storage power station is obtained by correcting the original effective capacity of the energy storage power station through a preset fifth formula according to the obtained cycle number and the original effective capacity of the energy storage power station.

[0084] The preset fifth formula comprises:

[0085]

[0086] In the formula, C e,b is the effective capacity of the energy storage power station, C e,bs is the original effective capacity of the energy storage power station, and N is the equivalent cycle number of the energy storage power station.

[0087] It should be noted that k e The calculation method of the annual equivalent availability coefficient of the energy storage power station is shown in the following formula:

[0088]

[0089] In the formula, T dis is the annual available discharge time of the energy storage power station, T out is the annual downtime of the energy storage power station, T s is the total number of hours in the year, which is usually 8760 hours.

[0090] In one embodiment, please refer to Figure 2 , Figure 2 is a system composition schematic diagram for calculating effective capacity of new energy and energy storage according to an exemplary embodiment, the system comprises:

[0091] The acquisition module 10 is used to collect installed capacity data, output characteristic data, annual maintenance downtime rate data, annual accident downtime rate data, and auxiliary power consumption rate data of new energy to be calculated effective capacity, and other data; wherein the other data includes: new energy annual average utilization hours, total hours of the year to be calculated;

[0092] The installed capacity data of the energy storage to be calculated effective capacity, the initial capacity of the energy storage power station, and the annual equivalent availability coefficient of the energy storage power station are collected.

[0093] The installed capacity data of the energy storage to be calculated effective capacity includes: rated power data of the energy storage power station, discharge efficiency data of the energy storage power station, and discharge depth data of the energy storage power station.

[0094] The first processing module 20 is used to calculate the initial capacity of the new energy by using the collected other data of the new energy to be calculated effective capacity, and calculate the initial capacity of the energy storage power station by using the collected installed capacity data of the energy storage to be calculated effective capacity.

[0095] The second processing module 30 is configured to calculate the effective capacity of the new energy by using the initial capacity of the new energy, the annual overhaul outage rate data, the annual accident outage rate data and the auxiliary power rate data of the new energy whose effective capacity is to be calculated, and calculate the original effective capacity of the energy storage power station by using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station.

[0096] The third processing module 40 is configured to correct the original effective capacity of the energy storage power station by using a preset first processing rule to obtain the effective capacity of the energy storage power station.

[0097] Please refer to Figure 3 , Figure 3 is a device composition schematic diagram for calculating the effective capacity of new energy and energy storage according to an exemplary embodiment, and the device comprises:

[0098] The memory 31 has a stored executable program;

[0099] The processor 32 is configured to execute the executable program in the memory 31 to realize the steps of the method in any one of the above embodiments.

[0100] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the content not described in detail in some embodiments can be referred to the same or similar content in other embodiments.

[0101] It should be noted that, in the description of the present application, the terms "first", "second" and the like are only used for the purpose of description and should not be understood as indicating or implying relative importance. In addition, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is at least two.

[0102] Any process or method descriptions in flow charts or described elsewhere herein can be understood as representing code modules, segments, or portions of code which include one or more executable instructions for performing specified logic functions or steps, and the various embodiments of the present application include additional implementations in which the functions described with the flow charts or otherwise herein are implemented with different sequences of steps, different groupings of steps, or different orderings of steps, including substantially concurrently or in reverse order. Such variations are contemplated as within the scope of the present application.

[0103] It should be understood that each part of the present application can be realized by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be realized by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if realized by hardware, and as in another embodiment, it can be realized by any one or a combination of the following technologies known in the art: discrete logic circuit with logic gate circuit for implementing logic function on data signal, application specific integrated circuit with suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) and the like.

[0104] Those skilled in the art of the present technology can understand that all or part of the steps carried out by the above-mentioned embodiment method can be completed by a program instructing the relevant hardware, and the program can be stored in a computer readable storage medium, and when executed, includes one or a combination of steps of the embodiment method.

[0105] In addition, each functional unit in each embodiment of the present application can be integrated into one processing module, or each unit can exist physically alone, or two or more units can be integrated into one module. The above-mentioned integrated module can be realized in the form of hardware or in the form of software functional module. The integrated module, if realized in the form of software functional module and sold or used as an independent product, can also be stored in a computer readable storage medium.

[0106] The above-mentioned storage medium can be a read-only memory, a magnetic disk or an optical disk, etc.

[0107] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above-mentioned terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0108] Although the embodiments of the present application have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the present application.

Claims

1. A method for calculating the effective capacity of new energy and energy storage, characterized in that: The method comprises: Collect data on installed capacity, output characteristics, annual maintenance outage rate, annual accident outage rate, plant power consumption rate, and other data for the renewable energy sources whose effective capacity is to be calculated. Other data includes the average annual utilization hours of renewable energy sources and the total hours for the year to be calculated. Collecting the installed capacity data of the energy storage for which the effective capacity is to be calculated, the initial capacity of the energy storage power station, and the annual equivalent availability factor of the energy storage power station; wherein the installed capacity data of the energy storage for which the effective capacity is to be calculated includes: the rated power data of the energy storage power station, the discharge efficiency data of the energy storage power station, and the discharge depth data of the energy storage power station; Calculating the initial capacity of the new energy source using the other data collected for the new energy source whose effective capacity is to be calculated, and calculating the initial capacity of the energy storage power station using the installed capacity scale data collected for the energy storage source whose effective capacity is to be calculated; Calculate the effective capacity of the new energy source using the initial capacity of the new energy source, the annual maintenance outage rate data, the annual accident outage rate data, and the plant power rate data of the new energy source whose effective capacity is to be calculated; and calculate the original effective capacity of the energy storage power station using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station; Correcting the original effective capacity of the energy storage power station using a preset first processing rule to obtain the effective capacity of the energy storage power station; Calculating the initial capacity of the energy storage power station includes: using the collected installed capacity data of the energy storage whose effective capacity is to be calculated and a preset second formula to calculate the initial capacity of the energy storage power station; the preset second formula includes: C 0,b =P r ×L dis ×DoD(1) Where C 0,b is the initial capacity of the energy storage power station, P r is the rated power of the energy storage power station, L dis is the discharge efficiency of the energy storage station, and DoD is the discharge depth of the energy storage station; Calculating the original effective capacity of the energy storage power station includes: using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station to calculate the original effective capacity of the energy storage power station through a preset fourth formula; the preset fourth formula includes: C e,bs =C 0,b ×k e (2) Where C e,bs is the original effective capacity of the energy storage power station, C0 is the initial capacity of the energy storage power station, k e is the annual equivalent availability factor of the energy storage power station; The method of correcting the original effective capacity of the energy storage power station by using a preset first processing rule to obtain the effective capacity of the energy storage power station includes: Using the pre-obtained number of cycles and the original effective capacity of the energy storage power station, the original effective capacity of the energy storage power station is corrected using a preset fifth formula to obtain the effective capacity of the energy storage power station; The preset fifth formula includes: Where C e,b is the effective capacity of the energy storage power station, C e,bs is the original effective capacity of the energy storage power station, and N is the equivalent cycle number of the energy storage power station.

2. The method according to claim 1, characterized in that The calculating the initial capacity of the new energy source by using the collected other data of the new energy source whose effective capacity is to be calculated includes: The initial capacity of the new energy source is calculated using the collected other data of the new energy source whose effective capacity is to be calculated and a preset first formula.

3. The method according to claim 2, characterized in that The preset first formula includes: Where C 0,r is the initial capacity of the new energy, T a is the average annual utilization hours of new energy, T s is the total number of hours in the year, usually 8760 hours, C s This is the installed capacity data of new energy.

4. The method according to claim 1, wherein Calculating the effective capacity of the new energy by using the initial capacity of the new energy, the annual maintenance outage rate data, the annual accident outage rate data, and the plant power rate data of the new energy for which the effective capacity is to be calculated, includes: The effective capacity of the new energy is calculated using a preset third formula using the initial capacity of the new energy, the annual maintenance outage rate data, the annual accident outage rate data and the plant power rate data of the new energy whose effective capacity is to be calculated.

5. The method according to claim 4, characterized in that The preset third formula includes: C e,r =C 0,r ×(1-L m -L n )×(1-L fcy ) (3) Where C e,r is the effective capacity of new energy, C 0,r is the initial capacity of the new energy, L m is the annual maintenance outage rate of new energy, L n is the annual accident outage rate of new energy, L fcy is the electricity consumption rate of new energy plants.

6. A system for calculating the effective capacity of new energy and energy storage, applied to the method for calculating the effective capacity of new energy and energy storage as claimed in any one of claims 1 to 5, characterized in that: The system comprises: The acquisition module is used to collect data on the installed capacity, output characteristics, annual maintenance outage rate, annual accident outage rate, and plant power consumption rate of the renewable energy source whose effective capacity is to be calculated, as well as other data; among which other data includes: the average annual utilization hours of the renewable energy source and the total hours in the year to be calculated; Collect the installed capacity data of the energy storage for which effective capacity is to be calculated, the initial capacity of the energy storage power station, and the annual equivalent availability factor of the energy storage power station; The installed capacity data of the energy storage for which the effective capacity is to be calculated include: rated power data of the energy storage power station, discharge efficiency data of the energy storage power station, and discharge depth data of the energy storage power station; a first processing module, configured to calculate the initial capacity of the new energy source using the other data collected about the new energy source whose effective capacity is to be calculated, and to calculate the initial capacity of the energy storage power station using the installed capacity data collected about the energy storage source whose effective capacity is to be calculated; A second processing module is configured to calculate the effective capacity of the new energy source by using the initial capacity of the new energy source, the annual maintenance outage rate data, the annual accident outage rate data, and the plant power rate data of the new energy source for which the effective capacity is to be calculated, and to calculate the original effective capacity of the energy storage power station by using the initial capacity of the energy storage power station and the annual equivalent availability coefficient of the energy storage power station; The third processing module is configured to modify the original effective capacity of the energy storage power station using a preset first processing rule to obtain the effective capacity of the energy storage power station.

7. A device for calculating the effective capacity of new energy and energy storage, characterized in that: The device comprises: a memory having an executable program stored therein; A processor, configured to execute the executable program in the memory to implement the steps of the method according to any one of claims 1 to 5.

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