Dynamic power carbon emission factor tracing method and system and medium

Abstract

The invention relates to a dynamic electric power carbon emission factor traceability method and system and a medium. The method comprises the following steps: determining basic characteristics of a dynamic electric power carbon emission factor needing traceability; combing basic data sources required by dynamic power carbon emission factor calculation; refining the real-time total carbon emission amount of the power grid and the real-time total on-grid power load data composition; detailed thermal power, hydropower, wind power, photovoltaic, inter-provincial transaction and other power supply real-time total carbon emission data composition; refining the real-time total on-grid power load data composition of thermal power, hydropower, wind power, photovoltaic, inter-provincial transaction and other power supplies; tracking and forming various meter information sources for carbon emission of each thermal power generating unit; tracking and forming various types of meter information sources which are used for transmitting the carbon emission of the power grid from various foreign provinces; and various meter information sources used for forming real-time on-grid electric load are tracked. According to the invention, each generated electric power carbon emission factor data is traced to each monitoring device, a calibration mechanism and a certification mechanism step by step, so that the credibility of the data is comprehensively improved.

Description

Technical Field

[0001] This invention relates to the field of carbon metering and monitoring in the power industry, specifically a dynamic method, system, and computer-readable storage medium for tracing carbon emission factors in the power sector. Background Technology

[0002] The carbon emission factor of electricity is an important component of the carbon footprint system of the power industry and also serves as the basis for other industries to conduct carbon footprint accounting.

[0003] Under the new power system, due to the rapid increase in the proportion of new energy power generation and the randomness and volatility of its power generation, the time and space differences in the power source composition of the entire power system are becoming increasingly significant. Conducting time-of-use and regional dynamic power carbon emission factor research is crucial for accurately calculating the carbon emissions of various industries, and metering traceability is an important measure to ensure time-of-use and regional dynamic power carbon emission factors. Summary of the Invention

[0004] The purpose of this invention is to provide a method, system, and medium for tracing dynamic electricity carbon emission factors, thereby improving the reliability of electricity carbon emission factors.

[0005] To achieve the above objectives, in a first aspect, the present invention provides a method for tracing the source of dynamic electricity carbon emission factors, comprising the following specific steps:

[0006] Step 1: Identify the basic characteristics of the dynamic electricity carbon emission factors that need to be traced. The basic characteristics of the dynamic electricity carbon emission factors include the magnitude of the values, the source of the data, and the time when the data was generated.

[0007] Step 2: Organize the basic data sources required for the calculation of the dynamic electricity carbon emission factor, including the real-time total carbon emissions of the power grid and the real-time total on-grid electricity load;

[0008] Step 3: Refine the composition of the above-mentioned real-time total carbon emissions and real-time total grid load data, including the real-time total carbon emissions of thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources; and the real-time total grid load of thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources.

[0009] Step 4: Refine the composition of real-time total carbon emission data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources from Step 3;

[0010] Step 5: Refine the composition of the real-time total grid-connected load data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources described in Step 3;

[0011] Step Six: Track the various metering information sources used to generate the carbon emissions of each thermal power unit as described in Step Four;

[0012] Step 7: Track the various metering information sources used to generate the carbon emissions data from the provinces that were transmitted into the power grid as described in Step 4;

[0013] Step 8: Track the various metering information sources used to generate the real-time online power load described in Step 5.

[0014] The detailed step three includes the composition of real-time total carbon emission data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions and other power sources, which includes the real-time carbon emission of each thermal power unit in the power grid.

[0015] This includes the real-time carbon emissions of each hydropower unit in the power grid;

[0016] This includes the real-time carbon emissions of each wind turbine in the power grid;

[0017] This includes the real-time carbon emissions of every photovoltaic power station in the power grid;

[0018] This includes real-time carbon emissions fed into the power grid from various other provinces;

[0019] This includes the real-time carbon emissions of every other power source in the power grid.

[0020] The detailed step three describes the composition of the real-time total grid load data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources, including the real-time grid load of each thermal power unit in the power grid.

[0021] This includes the real-time on-grid load of each hydropower unit in the power grid;

[0022] This includes the real-time on-grid load of each wind turbine in the power grid;

[0023] This includes the real-time on-grid load of every photovoltaic power station in the power grid;

[0024] This includes real-time on-grid electricity loads transmitted into the power grid from various other provinces;

[0025] This includes the real-time on-grid load of every other power source in the power grid.

[0026] The information sources of various meters used to track the carbon emissions of each thermal power unit in step four include the monitoring results of the meters measuring CO2 concentration, flow rate, temperature, pressure and humidity of each thermal power unit.

[0027] This includes information on the brand and model of the measuring instruments for CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit, as well as their installation or placement location, service time, management personnel, metering accuracy, validity period, and maintenance records.

[0028] This includes verification / calibration information for each thermal power unit, such as the verification / calibration organization, verification / calibration qualifications, verification / calibration procedures, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty of the measuring instruments for flue gas CO2 concentration, flue gas flow rate, flue gas temperature, flue gas pressure, and flue gas humidity.

[0029] This includes information on the certification body above the verification / calibration body for measuring instruments such as CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit; the certification procedures of the certification body above the verification / calibration body; the certification personnel of the certification body above the verification / calibration body; and the certification conclusions of the certification body above the verification / calibration body.

[0030] The tracking of carbon emissions from various provinces into the power grid as described in step four includes the real-time electrical load from various provinces and the monitoring results of the corresponding electrical carbon factor measurement meters in each province.

[0031] This includes information on the brand and model of real-time electrical load measurement meters sent from other provinces, their installation or placement location, service time, management personnel, metering accuracy, validity period, and operation and maintenance records;

[0032] This includes verification / calibration information such as the verification / calibration institutions, verification / calibration qualifications, verification / calibration procedures, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty of real-time electrical load measuring instruments sent from other provinces;

[0033] This includes information on the certification bodies above the verification / calibration bodies for real-time electrical load measurement meters sent from other provinces, their certification procedures, certification personnel, and certification conclusions.

[0034] The tracking of various metering information sources used to form the real-time on-grid load in step five includes the monitoring results data of real-time on-grid load monitoring meters for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transactions, and other power facilities;

[0035] This includes information on the brand, model, installation or placement location, service time, management personnel, metering accuracy, validity period, and operation and maintenance records of real-time on-grid load monitoring meters for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transaction and other power facilities.

[0036] This includes verification / calibration information for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transaction and other power facility's real-time on-grid load monitoring meter, such as the verification / calibration organization, verification / calibration qualification, verification / calibration procedure, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty.

[0037] This includes information on the certification body above the verification / calibration body for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial power transaction and other power facilities' real-time on-grid load monitoring meter, as well as the certification procedures, personnel, and certification conclusions of the certification body above the verification / calibration body.

[0038] Secondly, the present invention provides a dynamic electricity carbon emission factor tracing system, including a memory and a processor. The memory stores a computer program that can run on the processor. When the computer program is executed by the processor, it implements the steps of the dynamic electricity carbon emission factor tracing method as described above.

[0039] Thirdly, embodiments of this application provide a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps of the dynamic electricity carbon emission factor tracing method described above.

[0040] The beneficial effects of using the above embodiments are:

[0041] Each data point on electricity carbon emission factors is traced back to its respective monitoring equipment, calibration agency, and certification body, thereby comprehensively improving the reliability of the data. Attached Figure Description

[0042] Figure 1 This is a flowchart of the method used in this application. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort are within the scope of protection of this invention.

[0044] It should be noted that the descriptions involving "first," "second," etc., in this invention are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0045] A dynamic method for tracing carbon emission factors in electricity includes the following specific steps:

[0046] Step 1: Identify the basic characteristics of the dynamic electricity carbon emission factors that need to be traced, including their numerical value, data source, and data generation time.

[0047] The second step is to identify the basic data sources required for calculating the dynamic electricity carbon emission factor, including the real-time total carbon emissions of the power grid and the real-time total on-grid load. Data characteristics include numerical value, data source, and data generation time.

[0048] Step 3: Refine the composition of the above-mentioned real-time total carbon emissions and real-time total grid-connected load data, including the real-time total carbon emissions from thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources (such as nuclear power and energy storage); and the real-time total grid-connected load from thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources (such as nuclear power and energy storage). Data characteristics include numerical value, data source, and data generation time.

[0049] Step 4: Refine the composition of real-time carbon emission data for various power sources (thermal power, hydropower, wind power, photovoltaic, inter-provincial trading, and other power sources) as described in Step 3:

[0050] This includes the real-time carbon emissions of every thermal power unit in the power grid. Data characteristics include numerical value, data source, and data generation time.

[0051] This includes the real-time carbon emissions of each hydropower unit in the power grid. Data characteristics include numerical value, data source, and data generation time.

[0052] This includes the real-time carbon emissions of each wind turbine in the power grid. Data characteristics include numerical value, data source, and data generation time.

[0053] This includes the real-time carbon emissions of every photovoltaic power station in the power grid. Data characteristics include numerical value, data source, and data generation time.

[0054] This includes real-time carbon emissions fed into the power grid from various provinces. Data characteristics include numerical value, data source, and data generation time.

[0055] This includes the real-time carbon emissions of every other power source in the power grid (such as nuclear power, energy storage, etc.). Data characteristics include numerical value, data source, and data generation time.

[0056] Step 5: Refine the composition of real-time total grid-connected load data for various power sources (thermal power, hydropower, wind power, photovoltaic, inter-provincial transactions, and other power sources) as described in Step 3:

[0057] This includes the real-time on-grid load of every thermal power unit in the power grid. Data characteristics include numerical value, data source, and data generation time;

[0058] This includes the real-time on-grid load of each hydropower unit in the power grid. Data characteristics include numerical value, data source, and data generation time;

[0059] This includes the real-time on-grid load of each wind turbine in the power grid. Data characteristics include numerical value, data source, and data generation time;

[0060] This includes the real-time on-grid load of every photovoltaic power station in the grid. Data characteristics include numerical value, data source, and data generation time;

[0061] This includes real-time grid-connected electricity loads from other provinces. Data characteristics include numerical value, data source, and data generation time.

[0062] This includes the real-time on-grid load of every other power source in the power grid (such as nuclear power, energy storage, etc.). Data characteristics include numerical value, data source, and data generation time.

[0063] Step 6: Track the various metering information sources used to generate the carbon emissions of each thermal power unit as described in Step 4:

[0064] This includes monitoring data from meters measuring CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit. Data characteristics include numerical value, data source, and data generation time.

[0065] This includes basic information such as the brand and model of the measuring instruments for measuring CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit, installation (or placement) location, service time, management personnel, measurement accuracy, validity period, and operation and maintenance records;

[0066] This includes verification / calibration information for each thermal power unit, such as the verification / calibration organization, verification / calibration qualifications, verification / calibration procedures, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty of the measuring instruments for flue gas CO2 concentration, flue gas flow rate, flue gas temperature, flue gas pressure, and flue gas humidity.

[0067] This includes information on the certification body above the verification / calibration body for measuring instruments such as CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit; the certification procedures of the certification body above the verification / calibration body; the certification personnel of the certification body above the verification / calibration body; and the certification conclusions of the certification body above the verification / calibration body.

[0068] Step 7: Track the various metering information sources used to generate the carbon emissions data from the provinces transmitted into the power grid as described in Step 4:

[0069] This includes real-time electrical load data from various provinces and monitoring results from corresponding electricity carbon factor measurement meters in various provinces. Data characteristics include numerical value, data source, and data generation time.

[0070] This includes basic information such as the brand and model of the real-time electrical load measurement meters sent from other provinces, their installation (or placement) location, service time, management personnel, metering accuracy, validity period, and operation and maintenance records;

[0071] This includes verification / calibration information such as the verification / calibration institutions, verification / calibration qualifications, verification / calibration procedures, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty of real-time electrical load measuring instruments sent from other provinces;

[0072] This includes information on the certification bodies above the verification / calibration bodies for real-time electrical load measurement meters sent from other provinces, their certification procedures, certification personnel, and certification conclusions.

[0073] Step 8: Track the various metering information sources used to generate the real-time on-grid electrical load described in Step 5:

[0074] This includes real-time on-grid load monitoring data for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transactions, and other power facilities. Data characteristics include numerical value, data source, and data generation time.

[0075] This includes basic information such as the brand and model of each real-time on-grid load monitoring meter for thermal power units, hydropower units, wind power units, photovoltaic power stations, inter-provincial transactions, and other power facilities, as well as the installation (or placement) location, service time, management personnel, metering accuracy, validity period, and operation and maintenance records.

[0076] This includes verification / calibration information for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transaction and other power facility's real-time on-grid load monitoring meter, such as the verification / calibration organization, verification / calibration qualification, verification / calibration procedure, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty.

[0077] This includes information on the certification body above the verification / calibration body for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial power transaction and other power facilities' real-time on-grid load monitoring meter, as well as the certification procedures, personnel, and certification conclusions of the certification body above the verification / calibration body.

[0078] This example uses a hypothetical small-scale regional power grid, region A, as an example. This regional power grid has one 2×660MW coal-fired power plant (with continuous carbon emission monitoring devices installed at the chimney location of each unit), one 2×50MW hydropower station, two 50MW photovoltaic power stations, two 50MW wind farms, and engages in electricity trading with the regional power grid, region A. A digital carbon metering management platform has been established for the regional power grid, and all carbon-related data has been connected to this platform. At 16:32 on June 18, 2025, the carbon emission factor of the regional power grid, monitored by the digital carbon metering management system, was 0.6075 tCO2 / MWh.

[0079] The present invention provides a dynamic electricity carbon emission factor tracing system, including a memory and a processor. The memory stores a computer program that can run on the processor. When the computer program is executed by the processor, it implements the steps of the dynamic electricity carbon emission factor tracing method as described above.

[0080] This application provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the dynamic electricity carbon emission factor tracing method described above.

[0081] Those skilled in the art can implement the present invention in various variations without departing from its scope and spirit. For example, a feature of one embodiment can be used in another embodiment to obtain yet another embodiment. Any modifications, equivalent substitutions, and improvements made within the scope of the present invention's technical concept should be within the scope of the present invention.

Claims

1. A method for tracing the source of dynamic electricity carbon emission factors, characterized in that, The specific steps include the following: Step 1: Identify the basic characteristics of the dynamic electricity carbon emission factors that need to be traced. The basic characteristics of the dynamic electricity carbon emission factors include the magnitude of the values, the source of the data, and the time when the data was generated. Step 2: Organize the basic data sources required for the calculation of the dynamic electricity carbon emission factor, including the real-time total carbon emissions of the power grid and the real-time total on-grid electricity load; Step 3: Refine the composition of the above-mentioned real-time total carbon emissions and real-time total grid load data, including the real-time total carbon emissions of thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources; and the real-time total grid load of thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources. Step 4: Refine the composition of real-time total carbon emission data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources from Step 3; Step 5: Refine the composition of the real-time total grid-connected load data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources described in Step 3; Step Six: Track the various metering information sources used to generate the carbon emissions of each thermal power unit as described in Step Four; Step 7: Track the various metering information sources used to generate the carbon emissions data from the provinces that were transmitted into the power grid as described in Step 4; Step 8: Track the various metering information sources used to generate the real-time online power load described in Step 5.

2. The method for tracing dynamic electricity carbon emission factors as described in claim 1, characterized in that, The detailed step three includes the composition of real-time total carbon emission data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions and other power sources, which includes the real-time carbon emission of each thermal power unit in the power grid. This includes the real-time carbon emissions of each hydropower unit in the power grid; This includes the real-time carbon emissions of each wind turbine in the power grid; This includes the real-time carbon emissions of every photovoltaic power station in the power grid; This includes real-time carbon emissions fed into the power grid from various other provinces; This includes the real-time carbon emissions of every other power source in the power grid.

3. The method for tracing dynamic electricity carbon emission factors as described in claim 1, characterized in that, The detailed step three describes the composition of the real-time total grid load data for thermal power, hydropower, wind power, photovoltaic power, inter-provincial transactions, and other power sources, including the real-time grid load of each thermal power unit in the power grid. This includes the real-time on-grid load of each hydropower unit in the power grid; This includes the real-time on-grid load of each wind turbine in the power grid; This includes the real-time on-grid load of every photovoltaic power station in the power grid; This includes real-time on-grid electricity loads transmitted into the power grid from various other provinces; This includes the real-time on-grid load of every other power source in the power grid.

4. The method for tracing dynamic electricity carbon emission factors as described in claim 1, characterized in that, The information sources of various meters used to track the carbon emissions of each thermal power unit in step four include the monitoring results of the meters measuring CO2 concentration, flow rate, temperature, pressure and humidity of each thermal power unit. This includes information on the brand and model of the measuring instruments for CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit, as well as their installation or placement location, service time, management personnel, metering accuracy, validity period, and maintenance records. This includes verification / calibration information for each thermal power unit, such as the verification / calibration organization, verification / calibration qualifications, verification / calibration procedures, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty of the measuring instruments for flue gas CO2 concentration, flue gas flow rate, flue gas temperature, flue gas pressure, and flue gas humidity. This includes information on the certification body above the verification / calibration body for measuring instruments such as CO2 concentration, flow rate, temperature, pressure, and humidity of each thermal power unit; the certification procedures of the certification body above the verification / calibration body; the certification personnel of the certification body above the verification / calibration body; and the certification conclusions of the certification body above the verification / calibration body.

5. The method for tracing dynamic electricity carbon emission factors as described in claim 1, characterized in that, The tracking of carbon emissions from various provinces into the power grid as described in step four includes the real-time electrical load from various provinces and the monitoring results of the corresponding electrical carbon factor measurement meters in each province. This includes information on the brand and model of real-time electrical load measurement meters sent from other provinces, their installation or placement location, service time, management personnel, metering accuracy, validity period, and operation and maintenance records; This includes verification / calibration information such as the verification / calibration institutions, verification / calibration qualifications, verification / calibration procedures, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty of real-time electrical load measuring instruments sent from other provinces; This includes information on the certification bodies above the verification / calibration bodies for real-time electrical load measurement meters sent from other provinces, their certification procedures, certification personnel, and certification conclusions.

6. The method for tracing dynamic electricity carbon emission factors as described in claim 1, characterized in that, The tracking of various metering information sources used to form the real-time on-grid load in step five includes the monitoring results data of real-time on-grid load monitoring meters for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transactions, and other power facilities; This includes information on the brand, model, installation or placement location, service time, management personnel, metering accuracy, validity period, and operation and maintenance records of real-time on-grid load monitoring meters for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transaction and other power facilities. This includes verification / calibration information for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial transaction and other power facility's real-time on-grid load monitoring meter, such as the verification / calibration organization, verification / calibration qualification, verification / calibration procedure, verification / calibration personnel, verification / calibration accuracy, and verification / calibration uncertainty. This includes information on the certification body above the verification / calibration body for each thermal power unit, hydropower unit, wind power unit, photovoltaic power station, inter-provincial power transaction and other power facilities' real-time on-grid load monitoring meter, as well as the certification procedures, personnel, and certification conclusions of the certification body above the verification / calibration body.

7. A dynamic electricity carbon emission factor tracing system, characterized in that, It includes a memory and a processor, wherein the memory stores a computer program that can run on the processor, and the computer program, when executed by the processor, implements the steps of the dynamic electricity carbon emission factor tracing method as described in any one of claims 1 to 6.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the steps of the dynamic electricity carbon emission factor tracing method as described in any one of claims 1 to 6.

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