City-level power system carbon accounting and monitoring system based on ICT technology

Abstract

The invention relates to a city-level power system carbon accounting and monitoring system based on an ICT technology. The system comprises an acquisition layer which is used for acquiring power generation side data, power transmission side data, power utilization side data and energy storage side data of a city-level power system; the transmission layer is connected with the acquisition layer and is used for transmitting the power generation side data, the power transmission side data, the power utilization side data and the energy storage side data to the processing layer through a network channel; a processing layer which is connected with the transmission layer and is used for calculating the carbon emissions of the power generation side, the power transmission side, the power utilization side and the energy storage side through a carbon emission accounting model based on the data of the power generation side, the data of the power transmission side, the data of the power utilization side and the data of the energy storage side through the cloud computing and big data technology, and finally obtaining the total carbon emission of the city-level power system. And the display layer is connected with the processing layer and is used for displaying and monitoring the processing result of the processing layer. Compared with the prior art, the method has the advantages of being visual, comprehensive, accurate, efficient and the like.

Description

Technical Field

[0001] The present invention relates to the field of carbon emission technology, and in particular to an ICT-based city-level power system carbon accounting and monitoring system. Background Art

[0002] With the formulation of carbon targets, a basic carbon accounting system should be built to understand the current status of carbon emissions in urban power systems, so as to provide a data basis for the management of carbon emissions. However, there is currently no suitable carbon emission accounting system for carbon accounting in urban power systems, making it difficult to comprehensively and objectively grasp the carbon emissions of urban power systems, and thus unable to scientifically and systematically guide the management of carbon emissions in urban power systems.

[0003] At present, most cities have carried out carbon emission accounting work to varying degrees, but due to the lack of systematic tools, carbon emission accounting is mostly scattered and disorderly, and has little use value. The existing carbon emission accounting work originates from the statistical system of government departments, and the statistical granularity is relatively coarse. For the city-level power system, only fossil fuel combustion emissions and carbon emissions from purchased electricity are accounted for, which obviously does not cover the key links of the city-level power system.

[0004] At present, carbon emissions are still reported layer by layer based on paper reporting or online reporting such as emails, and the efficiency of carbon emissions data reporting is low. The inconsistent data reporting method leads to data misreporting. The city-level power system is huge and has many departments. The aforementioned carbon emissions data are scattered in different competent departments. Due to inconsistent policies formulated by various departments and inconsistent data reporting cycles, it is impossible to report data in real time.

[0005] As ICT technologies such as the Internet of Things, big data, and cloud computing become increasingly mature, the power system has accelerated its digital transformation. Therefore, there is an urgent need for a city-level power carbon monitoring and tracking platform that can intuitively, comprehensively, systematically, accurately and efficiently display the carbon emissions status of the urban power system. Summary of the invention

[0006] The purpose of the present invention is to provide an ICT-based urban power system carbon accounting and monitoring system that improves the efficiency and accuracy of carbon accounting.

[0007] The purpose of the present invention can be achieved by the following technical solutions:

[0008] A city-level power system carbon accounting and monitoring system based on ICT technology, including collection layer, transmission layer, processing layer and display layer.

[0009] Collection layer: used to collect data on the power generation side, transmission side, power consumption side, and energy storage side of the city-level power system;

[0010] Transmission layer: connected to the acquisition layer, the transmission layer is used to transmit the power generation side data, transmission side data, power consumption side data and energy storage side data to the processing layer through the network channel;

[0011] Processing layer: connected to the transmission layer, the processing layer is used to calculate the carbon emissions of the power generation side, the power transmission side, the power consumption side and the energy storage side respectively through cloud computing and big data technology, and finally obtain the total carbon emissions of the city-level power system;

[0012] Display layer: connected to the processing layer, the display layer is used to display and monitor the processing results of the processing layer.

[0013] Furthermore, the power generation side data includes the carbon emissions collected by flue gas sensors in fossil energy power generation enterprises, the purchased electricity and the carbon emission factor of the purchased electricity collected by network probes or API interfaces in the power trading subsystem, the online electricity, the online electricity composition and the proportion of each composition collected by network probes or API interfaces in the power dispatching subsystem;

[0014] The transmission side data includes the power metering quantity of the transmission network collected by the network probe or API interface in the power transmission network gateway metering device, the power metering quantity of the distribution network collected by the network probe or API interface in the power distribution network gateway metering device, the inter-city power grid metering quantity collected by the network probe or API interface in the inter-city power grid gateway metering device, and the line loss quantity of each power grid collected by the network probe or API interface in the power metering subsystem;

[0015] The electricity consumption data includes residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption collected by network probes or API interfaces in the power marketing subsystem;

[0016] The energy storage side data includes the energy storage online power and energy storage offline power collected by the network probe or API interface in the gateway metering device between the energy storage station and the power grid, and the auxiliary power loss and energy storage device efficiency collected by the network probe or API interface in the energy storage subsystem of the energy storage station.

[0017] Furthermore, before the data collected by the collection layer is transmitted to the processing layer, digital certificate technology is used to achieve mutual identity recognition between the two parties.

[0018] Furthermore, the TLS+MQTT protocol is used to transmit the data collected by the collection layer to the processing layer to achieve secure data transmission.

[0019] Furthermore, the carbon emission accounting model includes a carbon emission accounting sub-model on the power generation side, a carbon emission accounting sub-model on the power transmission side, a carbon emission accounting sub-model on the power consumption side and a carbon emission accounting sub-model on the energy storage side.

[0020] Furthermore, the power generation side carbon emission accounting sub-model is used to calculate the carbon emissions on the power generation side, and the specific steps include:

[0021] Calculate the total carbon emissions of fossil fuel power generation companies;

[0022] Calculate the total amount of electricity purchased by the power trading subsystem, and calculate the total carbon emissions of the purchased electricity based on the carbon emission factor of the purchased electricity;

[0023] Calculate the total amount of electricity sold by the power dispatching subsystem, and calculate the total carbon emissions of the sold electricity in combination with the grid carbon emission factor;

[0024] The carbon emissions on the power generation side are obtained based on the total carbon emissions of fossil energy power generation enterprises, the total carbon emissions of purchased electricity and the total carbon emissions of sold electricity.

[0025] Furthermore, the transmission-side carbon emission accounting sub-model is used to calculate the carbon emissions on the transmission side and the carbon emissions of each output branch, and the specific steps include:

[0026] According to the power metering quantity of the transmission network of the transmission network gateway metering device, the power metering quantity of the distribution network of the distribution network gateway metering device and the inter-city power grid metering quantity of the inter-city power grid gateway metering device, the overall power loss of the transmission line is obtained;

[0027] Based on the overall power loss of the transmission line and the carbon emission factor of the power grid, the carbon emissions on the transmission side are calculated;

[0028] The carbon emissions of each output branch are calculated based on the power line loss of each power grid in the power metering subsystem and the carbon emission factor of the power grid.

[0029] Furthermore, the step of calculating the carbon emissions on the electricity consumption side by the electricity consumption side carbon emission accounting sub-model includes:

[0030] According to the residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption of the power marketing subsystem, combined with the grid carbon emission factor, we can obtain the carbon emissions of residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption.

[0031] Furthermore, the step of calculating the carbon emissions on the energy storage side by the energy storage side carbon emission accounting sub-model includes:

[0032] Calculate the energy storage loss based on the energy storage online and offline electricity of the gateway metering device between the energy storage station and the grid, and further calculate the carbon emissions caused by the energy storage loss;

[0033] Calculate the carbon emissions generated by auxiliary electricity consumption based on the auxiliary electricity loss of the energy storage subsystem of the energy storage station;

[0034] The carbon emissions on the energy storage side are obtained based on the carbon emissions generated by energy storage losses and the carbon emissions generated by auxiliary electricity consumption.

[0035] Furthermore, the processing of the processing layer also includes:

[0036] The power generation side data, power transmission side data, power consumption side data and energy storage side data are processed to obtain a carbon emission factor curve, a city power consumption curve and a city power generation curve, and are displayed on the display layer.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] (1) The present invention collects and reports comprehensive data from the four links of the city-level power system, namely the power generation side, the power transmission side, the power consumption side and the energy storage side. By combining ICT technology, a comprehensive carbon emission accounting is performed from the four links. Compared with the existing data reporting method, the reporting method of the present invention is more comprehensive, real-time and accurate in all aspects, thereby improving the efficiency and accuracy of carbon accounting of the city-level power system.

[0039] (2) The present invention collects metering data from various power plants and power subsystems through sensors, network probes, API interfaces, etc., thereby achieving more comprehensive acquisition of original data from various links. Through network transmission technology and network security technology, the confidentiality and integrity of data transmission are achieved. Through cloud computing and big data technology, rapid processing of massive data is achieved, greatly shortening the processing of heterogeneous data and the calculation time of carbon emissions from urban power systems.

[0040] (3) The present invention uses the Internet of Things technology to not only dynamically and real-time obtain the carbon emissions of the urban power system, but also dynamically and real-time obtain the power usage and loss situation, and can also perform visual display and continuous monitoring.

[0041] (4) The present invention can intuitively, comprehensively, systematically, accurately and efficiently display the carbon emission status of the urban power system, provide a basis for formulating carbon emission reduction strategies for the urban power system, and also provide a basis for predicting the carbon emission trend of the power system and evaluating the carbon peak path. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic diagram of the system logic architecture of the present invention;

[0043] Figure 2 It is a schematic diagram of the basic structure of the urban power system of the present invention;

[0044] Figure 3 A business processing flow chart of the system of the present invention;

[0045] Figure 4 It is a schematic diagram of the system structure of the present invention;

[0046] Figure 5 The carbon emission accounting model for the power generation side of the present invention;

[0047] Figure 6 The carbon emission accounting model for the transmission side of the present invention;

[0048] Figure 7 The electricity consumption side carbon emission accounting model of the present invention;

[0049] Figure 8 This is the energy storage side carbon emission accounting model of the present invention. DETAILED DESCRIPTION

[0050] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0051] Example 1

[0052] This embodiment provides a city-level power system carbon accounting and monitoring system based on ICT technology, such as Figure 1 As shown in the logical architecture of the system, the system adopts a layered logical architecture design, and each layer corresponds to a key link in the business processing flow, including collection layer 1, transmission layer 2, processing layer 3 and display layer 4.

[0053] like Figure 2 As shown in the figure, the city-level power system includes four key links: source, network, load, and storage. The source side is the power generation side, which refers to the power source from self-generated thermal power generation, hydropower generation, wind and solar power generation, and external purchase and sale of power; the load side is the power consumption side, which refers to the power consumption of factory parks, office buildings, residential communities, public buildings, infrastructure, etc.; the storage side is the energy storage side, which refers to the storage of electricity in the energy storage facilities of the energy storage station; the network side is the transmission side, which refers to the process of transmitting power from the source side to the load side and the storage side.

[0054] like Figure 3 As shown, the business processing of this system includes four links: using the collection layer 1 to collect data, using the transmission layer 2 to report data, using the processing layer 3 to process data, and using the display layer 4 to display and monitor data.

[0055] 1. Collection layer

[0056] Table 1 Data collection information table of power generation side, power transmission side, power consumption side and energy storage side

[0057]

[0058] The objects, contents and collection methods of electricity consumption information or carbon emission information collected on the power generation side, power transmission side, power consumption side and energy storage side are shown in Table 1 above.

[0059] The system collects data on a daily basis by default. The platform system can adjust the data collection frequency of sensors 1-11 and network probes 1-12 as needed.

[0060] 2. Transport layer

[0061] Sensors 1-11 and network probes 1-12 use network channels such as WIFI, 4G / 5G, optical fiber ring network, and power dedicated network to regularly report the collected data to the platform system.

[0062] Before the data is reported to the platform system, the sensors 1-11 and the network probes 1-12 use digital certificate technology to achieve mutual identity recognition with the system platform to prevent illegal terminals from accessing the system platform and causing security risks to the system platform.

[0063] In order to reduce the resource overhead of the system platform and improve the transmission quality and efficiency, the MQTT protocol is used between the sensors 1-11, the network probes 1-12 and the platform system to report the sampling information.

[0064] In order to prevent data from being stolen or tampered with during the information reporting process, cryptographic technology is used and the TLS+MQTT protocol is adopted to achieve secure data transmission to ensure the confidentiality and integrity of the transmission.

[0065] This system directly obtains the electricity data of the power dispatching subsystem 1-3, the power marketing subsystem 1-8, the power trading subsystem 1-2, and the power metering subsystem 1-7 through API service calls, and can use API gateway technology to achieve API security access control.

[0066] If this system is not part of the power system, privacy computing technology is required to protect the power data security of the power dispatching subsystem 1-3, the power marketing subsystem 1-8, the power trading subsystem 1-2, and the power metering subsystem 1-7, so as to achieve the "availability but invisibility" of sensitive data on the system platform and avoid secondary forwarding and leakage of data.

[0067] 3. Processing layer

[0068] During the data processing phase, the collected data are cleaned, converted, and collated. The carbon emission accounting model is used to calculate the carbon emission data for the power generation side, transmission side, power consumption side, and energy storage side, and finally the carbon emission data for the city-level power system is summarized.

[0069] During the data processing phase, a carbon emission report generated by each link of the city-level power system and a power consumption report for each subsystem are generated according to the data collection cycle.

[0070] During the data processing stage, the collected raw data and calculated cooked data are securely stored locally, with anti-tampering security features.

[0071] like Figure 5 The power generation side carbon emission accounting model shown in the figure, the power generation side carbon emission calculation process is:

[0072] Calculate the total carbon emissions of fossil energy power generation companies 1-1;

[0073] Calculate the total amount of electricity purchased by the power trading subsystem 1-2, and calculate the total amount of carbon emissions of the purchased electricity based on the carbon emission factor of the purchased electricity;

[0074] Calculate the total amount of electricity sold by the power dispatching subsystems 1-3, and calculate the total amount of carbon emissions from the sold electricity in combination with the carbon emission factor of the power grid;

[0075] Based on the total carbon emissions of fossil energy power generation enterprise 1-1, the total carbon emissions of purchased electricity and the total carbon emissions of sold electricity, the carbon emissions on the power generation side are obtained.

[0076] like Figure 6 The transmission side carbon emission accounting model shown in the figure, the transmission side carbon emission calculation process is:

[0077] According to the power metering quantity of the transmission network of the transmission network gateway metering devices 1-4, the power metering quantity of the distribution network of the distribution network gateway metering devices 1-5, and the inter-city power grid metering quantity of the inter-city power grid gateway metering devices 1-6, the overall power loss of the transmission line is obtained;

[0078] Based on the overall power loss of the transmission line and the carbon emission factor of the power grid, the carbon emissions on the transmission side are calculated;

[0079] The carbon emissions of each output branch are calculated based on the power line loss of each power grid of the power metering subsystem 1-7 and the carbon emission factor of the power grid.

[0080] like Figure 7 The electricity consumption side carbon emission accounting model shown in the figure, the electricity consumption side carbon emission calculation process is:

[0081] According to the residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption of the power marketing subsystems 1-8, combined with the grid carbon emission factor, we obtain the carbon emissions of residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption.

[0082] like Figure 8 The energy storage side carbon emission accounting model shown in the figure, the energy storage side carbon emission calculation process is:

[0083] According to the energy storage grid-connected power and energy storage grid-offline power of the gateway metering devices 1-9 between the energy storage station and the grid side, the energy storage loss power is calculated, and the carbon emissions generated by the energy storage loss are further calculated;

[0084] Calculate the carbon emissions generated by auxiliary electricity consumption based on the auxiliary electricity consumption losses of the energy storage subsystems 1-10 of the energy storage station;

[0085] The carbon emissions on the energy storage side are obtained based on the carbon emissions generated by energy storage losses and the carbon emissions generated by auxiliary electricity consumption.

[0086] 4. Presentation layer

[0087] In the data display stage, the power situation and carbon emission accounting of the urban power system will be displayed to the outside world using graphical technology, mainly including carbon emission factor curve, urban power consumption curve, urban power generation curve, urban carbon emission curve, and carbon emission curves of various links in the urban power system.

[0088] In summary, the embodiments of the present invention are fully based on the achievements of digital power grid construction, and give full play to the technical advantages of power grid Internet of Things, big data, cloud computing, secure transmission, etc., to build an electricity carbon accounting and monitoring platform, and accurately calculate and monitor the carbon emission data of all links of power generation, transmission, and electricity consumption of different energy sources such as wind, light, water, fire, and gas. It can realize the prediction of carbon emission trends in the power system and the evaluation of carbon peak paths.

[0089] Example 2

[0090] This embodiment provides a city-level power system carbon accounting and monitoring system based on ICT technology, which can realize carbon emission data collection, reporting, accounting and display effects. The system integrates the collection layer 1, transmission layer 2, processing layer 3 and display layer 4 of the system logical architecture in embodiment 1 into Figure 4 The system shown includes a system platform 5, a network channel 6, sensors 1-11 and network probes 1-12. Sensors 1-11 and network probes 1-12 are deployed at key locations such as power generation enterprises and metering points in various links of the power subsystem, and are responsible for collecting carbon emissions or electricity information. The network channel 6 is responsible for uploading the collected information to the system platform 5. The system platform 5 is deployed on the cloud and is responsible for processing, displaying and monitoring the collected carbon emissions or electricity information.

[0091] The system's business processing includes four links: data collection, data reporting, data processing and data display.

[0092] Data collection refers to using sensors 1-11 and network probes 1-12 to directly or indirectly obtain carbon emissions or electricity data on the power generation side, transmission side, power consumption side and energy storage side of the city-level power system from fossil energy power generation enterprises 1-1, power dispatching subsystems 1-3, power metering subsystems 1-7, energy storage stations, etc. Directly collect carbon emissions from power generation enterprises, collect purchased or sold electricity through network communication interfaces, and collect fossil energy and clean energy composition in the power subsystem.

[0093] Data reporting refers to reporting the collected data to the system platform 5 for data processing through network technology.

[0094] Data processing refers to the local storage, cleaning, conversion, and translation of massive heterogeneous data collected, the collection, analysis, and storage of originally scattered data, and the calculation of carbon emission factors, carbon emissions, and other data.

[0095] Data display refers to the display of power generation, electricity consumption and carbon emissions of the urban power system through various reports and information flows.

[0096] The rest is the same as in Example 1.

[0097] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0098] Obviously, 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.

Claims

1. A city-level power system carbon accounting and monitoring system based on ICT technology, characterized in that: It includes a collection layer (1), a transmission layer (2), a processing layer (3) and a display layer (4). Collection layer (1): used to collect data on the generation side, transmission side, consumption side, and energy storage side of the city-level power system; Transmission layer (2): connected to the acquisition layer (1), the transmission layer (2) is used to transmit the power generation side data, the power transmission side data, the power consumption side data and the energy storage side data to the processing layer (3) through a network channel; Processing layer (3): connected to the transmission layer (2), the processing layer (3) is used to calculate the carbon emissions of the power generation side, the power transmission side, the power consumption side and the energy storage side respectively through cloud computing and big data technology, and finally obtain the total carbon emissions of the city-level power system; Display layer (4): connected to the processing layer (3), the display layer (4) is used to display and monitor the processing results of the processing layer (3).

2. According to claim 1, a city-level power system carbon accounting and monitoring system based on ICT technology is characterized in that: The power generation side data includes the carbon emission collected by the flue gas sensor (1-11) in the fossil energy power generation enterprise (1-1), the purchased electricity and the carbon emission factor of the purchased electricity collected by the network probe (1-12) or the API interface (1-13) in the power trading subsystem (1-2), and the online electricity, online electricity composition and the proportion of each composition collected by the network probe (1-12) or the API interface (1-13) in the power dispatching subsystem (1-3); The transmission side data includes the power metering quantity of the transmission network collected by the network probe (1-12) or the API interface (1-13) in the transmission network gateway metering device (1-4), the power metering quantity of the distribution network collected by the network probe (1-12) or the API interface (1-13) in the distribution network gateway metering device (1-5), the inter-city power grid metering quantity collected by the network probe (1-12) or the API interface (1-13) in the inter-city power grid gateway metering device (1-6), and the line loss quantity of each power grid collected by the network probe (1-12) or the API interface (1-13) in the power metering subsystem (1-7); The electricity consumption data includes residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption collected by a network probe (1-12) or an API interface (1-13) in a power marketing subsystem (1-8); The energy storage side data includes energy storage online power and energy storage offline power collected by the network probe (1-12) or API interface (1-13) in the gateway metering device (1-9) between the energy storage station and the power grid, and auxiliary power loss and energy storage device efficiency collected by the network probe (1-12) or API interface (1-13) in the energy storage subsystem (1-10) of the energy storage station.

3. According to the ICT-based city-level power system carbon accounting and monitoring system of claim 1, it is characterized in that: Before the data collected by the collection layer (1) is transmitted to the processing layer (3), digital certificate technology is used to realize mutual recognition of the identities of both parties.

4. According to claim 1, a city-level power system carbon accounting and monitoring system based on ICT technology is characterized in that: The TLS+MQTT protocol is used to transmit the data collected by the collection layer (1) to the processing layer (3) to achieve secure data transmission.

5. According to claim 1, a city-level power system carbon accounting and monitoring system based on ICT technology is characterized in that: The carbon emission accounting model includes a carbon emission accounting sub-model (3-1) on the power generation side, a carbon emission accounting sub-model (3-2) on the power transmission side, a carbon emission accounting sub-model (3-3) on the power consumption side and a carbon emission accounting sub-model (3-4) on the energy storage side.

6. According to claim 5, a city-level power system carbon accounting and monitoring system based on ICT technology is characterized in that: The power generation side carbon emission accounting sub-model (3-1) is used to calculate the carbon emissions on the power generation side, and the specific steps include: Calculate the total carbon emissions of fossil energy power generation enterprises (1-1); Calculate the total amount of electricity purchased by the power trading subsystem (1-2), and calculate the total amount of carbon emissions of the purchased electricity based on the carbon emission factor of the purchased electricity; Calculate the total amount of electricity sold by the power dispatch subsystem (1-3), and calculate the total carbon emissions of the sold electricity in combination with the carbon emission factor of the power grid; Based on the total carbon emissions of fossil energy power generation enterprises (1-1), the total carbon emissions of purchased electricity and the total carbon emissions of sold electricity, the carbon emissions on the power generation side are obtained.

7. According to claim 5, a city-level power system carbon accounting and monitoring system based on ICT technology is characterized in that: The transmission-side carbon emission accounting sub-model (3-2) is used to calculate the carbon emissions on the transmission side and the carbon emissions of each output branch. The specific steps include: The overall power loss of the transmission line is obtained according to the power metering quantity of the transmission network measured by the transmission network gateway metering device (1-4), the power metering quantity of the distribution network measured by the distribution network gateway metering device (1-5) and the inter-city power grid metering quantity measured by the inter-city power network gateway metering device (1-6); Based on the overall power loss of the transmission line and the carbon emission factor of the power grid, the carbon emissions on the transmission side are calculated; The carbon emission of each output branch is calculated based on the line loss of each power grid of the power metering subsystem (1-7) and the carbon emission factor of the power grid.

8. According to claim 5, a city-level power system carbon accounting and monitoring system based on ICT technology is characterized in that: The steps of calculating the carbon emissions on the electricity consumption side by the electricity consumption side carbon emission calculation sub-model (3-3) include: According to the residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption of the power marketing subsystem (1-8), combined with the grid carbon emission factor, the carbon emissions of residential electricity consumption, agricultural production electricity consumption, large-scale industrial electricity consumption and commercial electricity consumption are obtained.

9. The city-level power system carbon accounting and monitoring system based on ICT technology according to claim 5 is characterized in that: The steps of calculating the carbon emissions on the energy storage side by the energy storage side carbon emission calculation sub-model (3-4) include: According to the energy storage grid-connected power and energy storage grid-offline power of the gateway metering devices (1-9) between the energy storage station and the power grid, the energy storage loss power is calculated, and the carbon emissions generated by the energy storage loss are further calculated; Calculate the carbon emissions generated by auxiliary electricity consumption based on the auxiliary electricity consumption loss of the energy storage subsystem (1-10) of the energy storage station; The carbon emissions on the energy storage side are obtained based on the carbon emissions generated by energy storage losses and the carbon emissions generated by auxiliary electricity consumption.

10. The city-level power system carbon accounting and monitoring system based on ICT technology according to claim 1 is characterized in that: The processing process of the processing layer (3) also includes: The power generation side data, power transmission side data, power consumption side data and energy storage side data are processed to obtain a carbon emission factor curve, a city power consumption curve and a city power generation curve, which are then displayed on the display layer (4).

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