CN117688277A - Electric energy and heat energy carbon flow distribution calculation method and device for cogeneration system - Google Patents
Electric energy and heat energy carbon flow distribution calculation method and device for cogeneration system Download PDFInfo
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Abstract
The invention relates to a method and a device for calculating electric energy and heat energy carbon flow distribution of a cogeneration system, wherein the method comprises the following steps: establishing a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system; based on the carbon emission balance model, establishing a carbon flow distribution model of the cogeneration system according to the relationship between the carbon emission intensity of the electric output port and the heat output port of the cogeneration system and the corresponding energy conversion efficiency; and acquiring the carbon emission intensity of the electric energy flow and the heat energy flow based on the carbon flow distribution model of the cogeneration system according to the energy flow relation. The invention can evaluate the energy activity per se in the system and the greenhouse gas emission directly generated by the energy resource.
Description
Technical Field
The invention relates to the technical field of cogeneration, in particular to a method and a device for calculating electric energy and heat energy carbon flow distribution of a cogeneration system.
Background
The life cycle evaluation method (Life cycle assessment, LCA) is mainly applied as an evaluation tool for evaluating and accounting the whole life cycle process of products or services, namely energy consumption and environmental impact from cradle to tomb. From cradle to tomb generally refers to the collection of raw materials from the product to production, transportation, consumer use and final waste disposal. According to the system boundary setting and model principle of the method, the life cycle evaluation methods which are relatively commonly used at present can be divided into the following three types: process lifecycle evaluation, input-output lifecycle evaluation, and hybrid lifecycle evaluation.
For integrated energy systems, lifecycle energy chain carbon emission analysis methods are typically employed, taking into account the direct impact of energy activity and evaluating the concomitant impact indirectly related to energy activity. For a comprehensive energy system comprising five parts of sources, networks, energy exchange, storage and charge, classifying all energy chains contained in the system, fully considering a carbon track of each energy chain from a production source to a load demand side by using a life cycle evaluation method, comprehensively considering the working characteristics of each unit in the system aiming at a typical integrated terminal containing electric heating (cooling) gas load demand, analyzing carbon emission generated in migration and conversion processes of different energy chains in the comprehensive energy system, and constructing the life cycle energy chain evaluation method to obtain the carbon emission coefficient after normalization.
The prior patent document CN117096864A discloses a game optimization scheduling method of a regional comprehensive energy system-main power distribution network, wherein a life cycle evaluation method LCA is adopted to obtain the actual carbon emission and carbon emission limit, and a reward and punishment ladder-type carbon transaction cost model is established. The existing lifecycle assessment method cannot determine the carbon emissions corresponding to the energy use from a consumer perspective.
Disclosure of Invention
The invention aims to solve the technical problem of providing a comprehensive energy cogeneration system electric energy and heat energy carbon flow distribution calculation method and device, which can evaluate the energy activity per se in the system and the greenhouse gas emission directly generated by energy resources.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cogeneration system electric energy and heat energy carbon flow distribution calculation method, which comprises the following steps:
establishing a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system;
based on the carbon emission balance model, establishing a carbon flow distribution model of the cogeneration system according to the relationship between the carbon emission intensity of the electric output port and the heat output port of the cogeneration system and the corresponding energy conversion efficiency;
and calculating the carbon emission intensity of the electric energy flow and the heat energy flow based on the carbon flow distribution model of the cogeneration system according to the energy flow relation.
The energy balance principle of the comprehensive energy cogeneration system is energy conservation of equipment input and output, and the energy conservation principle is expressed as follows:wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfIs a stream of energy; />Representation oft n After the time period is over, the deviceEqOutput energy sourceafIs a stream of energy; />Representation deviceEqEnergy sourcebfConversion to energyafIs an energy conversion efficiency of the system.
The carbon balance principle of the comprehensive energy cogeneration system is the conservation of carbon flow of equipment input and output, and is expressed as:wherein->Is thatt n After the time period is over, the deviceEqInput energy sourcebfExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfEnergy flow of->Is thatt n After the time period is over, the deviceEqInput energy sourcebfCarbon emission intensity of (2); />Is thatt n After the time period is over, the deviceEqOutput energy sourceafExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqOutput energy sourceafEnergy flow of->Is thatt n After the time period is over, the deviceEqOutput energy sourceafCarbon emission intensity of (2); />Representation deviceEqCarbon split ratio of (2).
The carbon emission balance model of the cogeneration system is as follows:wherein->For the electrical energy output of a cogeneration system, +.>For the thermal energy output of a cogeneration system, +.>For the power conversion efficiency of a cogeneration system, < >>For the heat energy conversion efficiency of the cogeneration system, < >>Carbon emission intensity of electric energy flow output for cogeneration system, < >>Carbon emission intensity of heat energy flow output by cogeneration system, < >>For gas energy input of cogeneration system, < >>The carbon emission intensity of the gas energy stream input to the cogeneration system.
The carbon flow of the cogeneration system is obtained by establishing an energy-flow relation distribution model under the condition that the carbon emission intensity and the electric energy conversion efficiency of an electric output port of the cogeneration system are inversely proportional, and the heat output port and the heat energy conversion efficiency of the cogeneration system are inversely proportional, and the carbon flow is expressed as:。
the technical scheme adopted for solving the technical problems is as follows: provided is a cogeneration system electric energy and thermal energy carbon flow distribution computing device, comprising:
the first building module is used for building a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system;
the second building module is used for building a carbon flow distribution model of the cogeneration system according to the relationship between the carbon emission intensity of the electric output port and the thermal output port of the cogeneration system and the corresponding energy conversion efficiency based on the carbon emission balance model;
and the acquisition module is used for calculating the carbon emission intensity of the electric energy flow and the heat energy flow according to the energy flow relation distribution model based on the carbon flow of the cogeneration system.
The energy balance principle of the comprehensive energy cogeneration system is energy conservation of equipment input and output, and the energy conservation principle is expressed as follows:wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfIs a stream of energy; />Representation oft n After the time period is over, the deviceEqOutput energy sourceafIs a stream of energy; />Representation deviceEqEnergy sourcebfConversion to energyafIs an energy conversion efficiency of the system.
The carbon balance principle of the comprehensive energy cogeneration system is the conservation of carbon flow of equipment input and output, and is expressed as:wherein->Is thatt n After the time period is over, the deviceEqInput energy sourcebfExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfEnergy flow of->Is thatt n After the time period is over, the deviceEqInput energy sourcebfCarbon emission intensity of (2); />Is thatt n After the time period is over, the deviceEqOutput energy sourceafExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqOutput energy sourceafEnergy flow of->Is thatt n After the time period is over, the deviceEqOutput energy sourceafCarbon emission intensity of (2); />Representation deviceEqCarbon split ratio of (2).
The carbon emission balance model of the cogeneration system established by the first establishing module is as follows:wherein->For the electrical energy output of a cogeneration system, +.>For the thermal energy output of a cogeneration system, +.>For the power conversion efficiency of a cogeneration system, < >>For the heat energy conversion efficiency of the cogeneration system, < >>Carbon emission intensity of electric energy flow output for cogeneration system, < >>Carbon emission intensity of heat energy flow output by cogeneration system, < >>Is a thermoelectric powerGas energy input of the combined supply system, +.>The carbon emission intensity of the gas energy stream input to the cogeneration system.
The second building module builds a carbon flow distribution model of the cogeneration system according to the energy flow relation under the condition that the carbon emission intensity and the electric energy conversion efficiency of an electric output port of the cogeneration system are inversely proportional and the heat output port and the heat energy conversion efficiency of the cogeneration system are inversely proportional, and the carbon flow distribution model of the cogeneration system according to the energy flow relation is as follows:。
the technical scheme adopted for solving the technical problems is as follows: an electronic device is provided, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the above-mentioned combined heat and power system electric energy and thermal energy carbon flow distribution calculation method when executing the computer program.
The technical scheme adopted for solving the technical problems is as follows: there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of the cogeneration system electrical and thermal energy carbon stream distribution calculation method described above.
Advantageous effects
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: according to the method for calculating the carbon emission metering distribution of the electric energy and the heat energy in the cogeneration system, the energy activities and the greenhouse gas emissions directly generated by the energy resources in the comprehensive energy system can be evaluated, and the related energy-carbon accompanying effects in the various energy conversion and transmission processes in the system operation process can be evaluated.
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FIG. 1 is a flow chart of a method for calculating distribution of electric energy and thermal energy carbon flow in a cogeneration system according to a first embodiment of the invention;
fig. 2 is a schematic diagram of a cogeneration system according to a first embodiment of the invention.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
The first embodiment of the invention relates to a method for calculating electric energy and heat energy carbon flow distribution of a cogeneration system. In this embodiment, a multi-energy coupled Cogeneration (CHP) device is taken as an example, and a method for calculating the distribution of carbon emission flows along with various energy flows is proposed in the multi-energy coupling process. As shown in fig. 1, the method specifically comprises the following steps:
and step 1, establishing a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system.
The carbon emission balance model for building the cogeneration system, which is built in the step, mainly focuses on modeling the carbon emission of the energy conversion equipment of the system in the energy balance of each part of the system, and focuses on the condition that specific equipment can be coupled with carbon, and in the modeling process, mainly considers the following basic principles:
the energy balance principle is that an energy flow model of equipment in the system meets the energy conservation of input and output of the equipment.
The carbon balance principle is followed by a carbon emission conservation principle in the system, namely, a carbon flow model of the equipment meets the carbon flow conservation of the input and output of the equipment.
Wherein the energy balance during energy conversion can be expressed as:
（1）
in the method, in the process of the invention,representation oft n After the time period is over, the deviceEqInput energy sourcebfIs a stream of energy; />Representation oft n After the time period is over, the deviceEqOutput energy sourceafIs a stream of energy; />Representation deviceEqEnergy sourcebfConversion to energyafIs an energy conversion efficiency of the system.
Energy confluence and diversion occur in the energy hub, and energy balance of the energy hub can be expressed as follows by taking energy confluence as an example:
（2）
in the method, in the process of the invention,representation oft n After the time period is finished, the energy is collected into the energy hubEHA kind of electronic devicexThe total amount of energy; />Representation oft n After the time period is over, fromkModule flow direction energy hubEHEnergy source of (a)x；x k The representation is fromkEnergy source of modulex。
Similarly, carbon balance and energy carbon coupling can be expressed as:
（3）
，/> （4）
in the method, in the process of the invention,representation deviceEqCarbon split ratio of->And->Respectively ist n After the time period is over, the deviceEqInput energy sourcebfAnd output energyafCarbon emission intensity of (a) corresponding to unit energy input/output, namely carbon emission with unit of kgCO 2 /kJ。/>And->Respectively ist n After the time period is over, the deviceEqInput energy sourcebfCarbon emissions and output energy of (2)afIs given in kgCO 2 。
Based on the above, the power output and the heat output distribution of the cogeneration system are proportional to the gas input, expressed as:
（5）
（6）
wherein,for the electrical energy output of a cogeneration system, +.>For the thermal energy output of a cogeneration system, +.>For the power conversion efficiency of a cogeneration system, < >>Is the heat energy conversion efficiency of the cogeneration system.
As shown in fig. 2, there are again following principles according to the carbon emission balance:
（7）
wherein,carbon emission intensity of electric energy flow output for cogeneration system, < >>Carbon emission intensity of heat energy flow output by cogeneration system, < >>For gas energy input of cogeneration system, < >>The carbon emission intensity of the gas energy stream input to the cogeneration system.
Therefore, the carbon emission balance model of the cogeneration system established in the step is as follows:
。
and 2, based on the carbon emission balance model, establishing a carbon flow distribution model of the cogeneration system according to the relation between the carbon emission intensity of the electric output port and the thermal output port of the cogeneration system and the corresponding energy conversion efficiency.
Since the higher the cogeneration system efficiency is, the less energy is consumed for unit energy output and the lower the carbon emission is, the present embodiment makes the carbon emission intensity of the electric output port and the thermal output port inversely proportional to the corresponding energy efficiency, that is:
（8）
then according to formulas (5), (6) and (7), the distribution model of the carbon flow of the CHP cogeneration system according to the energy flow relation is obtained as follows:
（9）
and step 3, calculating the carbon emission intensity of the electric energy flow and the heat energy flow based on the carbon flow distribution model of the cogeneration system according to the energy flow relation.
It is not difficult to find that the method in the embodiment can analyze and calculate the carbon emission intensity caused by different energies in the integrated energy system, can be applied to the integrated energy carbon flow analysis field, can consider different transmission losses caused by different energy characteristics, topological structures, transmission technologies and operation modes of electric energy and heat energy, can better analyze the energy consumption behavior and the corresponding bearing carbon emission amount from the energy consumption side, can intuitively observe, calculate and analyze the carbon emission and source in the electric and heat energy network and the distribution characteristics related to each afflux node and the flow direction, can track the complete carbon footprint of the energy consumption, and can analyze the carbon emission from the consumption angle and distribute the corresponding bearing carbon emission according to the actual energy consumption behavior of a consumption unit.
A second embodiment of the present invention relates to a cogeneration system electric energy and thermal energy carbon flow distribution calculation device, comprising:
the first building module is used for building a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system;
the second building module is used for building a carbon flow distribution model of the cogeneration system according to the relationship between the carbon emission intensity of the electric output port and the thermal output port of the cogeneration system and the corresponding energy conversion efficiency based on the carbon emission balance model;
and the acquisition module is used for calculating the carbon emission intensity of the electric energy flow and the heat energy flow according to the energy flow relation distribution model based on the carbon flow of the cogeneration system.
The energy balance principle of the comprehensive energy cogeneration system is energy conservation of equipment input and output, and the energy conservation principle is expressed as follows:wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfIs a stream of energy; />Representation oft n After the time period is over, the deviceEqOutput energy sourceafIs a stream of energy; />Representation deviceEqEnergy sourcebfConversion to energyafIs an energy conversion efficiency of the system.
The carbon balance principle of the comprehensive energy cogeneration system is the conservation of carbon flow of equipment input and output, and is expressed as:wherein->Is thatt n After the time period is over, the deviceEqInput energy sourcebfExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfEnergy flow of->Is thatt n After the time period is over, the deviceEqInput energy sourcebfCarbon emission intensity of (2); />Is thatt n After the time period is over, the deviceEqOutput energy sourceafExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqOutput energy sourceafEnergy flow of->Is thatt n After the time period is over, the deviceEqOutput energy sourceafCarbon emission intensity of (2); />Representation deviceEqCarbon split ratio of (2).
The carbon emission balance model of the cogeneration system established by the first establishing module is as follows:wherein->For the electrical energy output of a cogeneration system, +.>For the thermal energy output of a cogeneration system, +.>For the power conversion efficiency of a cogeneration system, < >>For the heat energy conversion efficiency of the cogeneration system, < >>Carbon emission intensity of electric energy flow output for cogeneration system, < >>Carbon emission intensity of heat energy flow output by cogeneration system, < >>For gas energy input of cogeneration system, < >>The carbon emission intensity of the gas energy stream input to the cogeneration system.
The second building module builds a carbon flow distribution model of the cogeneration system according to the energy flow relation under the condition that the carbon emission intensity and the electric energy conversion efficiency of an electric output port of the cogeneration system are inversely proportional and the heat output port and the heat energy conversion efficiency of the cogeneration system are inversely proportional, and the carbon flow distribution model of the cogeneration system according to the energy flow relation is as follows:。
a third embodiment of the present invention is directed to an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the cogeneration system power and thermal energy carbon stream distribution calculation method of the first embodiment when executing the computer program.
A fourth embodiment of the present invention relates to a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the cogeneration system electric power and thermal energy carbon stream distribution calculation method of the first embodiment.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. The electric energy and heat energy carbon flow distribution calculation method of the cogeneration system is characterized by comprising the following steps of:
establishing a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system;
based on the carbon emission balance model, establishing a carbon flow distribution model of the cogeneration system according to the relationship between the carbon emission intensity of the electric output port and the heat output port of the cogeneration system and the corresponding energy conversion efficiency;
and acquiring the carbon emission intensity of the electric energy flow and the heat energy flow based on the carbon flow distribution model of the cogeneration system according to the energy flow relation.
2. The method for calculating the distribution of electric energy and thermal energy carbon flow of the cogeneration system according to claim 1, wherein the energy balance principle of the integrated energy cogeneration system is the conservation of energy input and output by the equipment, and the energy conservation is expressed as:wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfIs a stream of energy;representation oft n After the time period is over, the deviceEqOutput energy sourceafIs a stream of energy; />Representation deviceEqEnergy sourcebfConversion to energyafIs an energy conversion efficiency of the system.
3. The method for calculating the distribution of electric energy and heat energy carbon flow of the cogeneration system according to claim 1, wherein the carbon balance principle of the integrated energy cogeneration system is the conservation of the carbon flow of the input and output of the equipment, and is expressed as:wherein->Is thatt n After the time period is over, the deviceEqInput energy sourcebfExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfEnergy flow of->Is thatt n After the time period is over, the deviceEqInput energy sourcebfCarbon emission intensity of (2); />Is thatt n After the time period is over, the deviceEqOutput energy sourceafExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqOutput energy sourceafEnergy flow of->Is thatt n After the time period is over, the deviceEqOutput energy sourceafCarbon emission intensity of (2); />Representation deviceEqCarbon split ratio of (2).
4. The cogeneration system electric energy and thermal energy carbon flow distribution calculation method of claim 1, wherein the carbon emission balance model of the cogeneration system is:wherein->For the electrical energy output of a cogeneration system, +.>For the thermal energy output of a cogeneration system, +.>For the power conversion efficiency of a cogeneration system, < >>For the heat energy conversion efficiency of the cogeneration system, < >>Carbon emission intensity of electric energy flow output for cogeneration system, < >>Carbon emission intensity of heat energy flow output by cogeneration system, < >>Is a thermoelectric coupleFor gas energy input of the system, +.>The carbon emission intensity of the gas energy stream input to the cogeneration system.
5. The method for calculating the distribution of electric energy and thermal energy carbon flow of a cogeneration system according to claim 4, wherein the distribution model of the carbon flow of the cogeneration system according to the energy flow relationship is established under the condition that the carbon emission intensity and the electric energy conversion efficiency of an electric output port of the cogeneration system are inversely proportional, and the heat output port and the thermal energy conversion efficiency of the cogeneration system are inversely proportional, and is expressed as:。
6. a cogeneration system electric energy and thermal energy carbon stream distribution computing device, comprising:
the first building module is used for building a carbon emission balance model of the cogeneration system based on an energy balance principle and a carbon balance principle of the comprehensive energy cogeneration system;
the second building module is used for building a carbon flow distribution model of the cogeneration system according to the relationship between the carbon emission intensity of the electric output port and the thermal output port of the cogeneration system and the corresponding energy conversion efficiency based on the carbon emission balance model;
and the acquisition module is used for acquiring the carbon emission intensity of the electric energy flow and the heat energy flow according to the energy flow relation distribution model based on the carbon flow of the cogeneration system.
7. The cogeneration system electric energy and thermal energy carbon flow distribution computing device of claim 6, wherein the energy balance principle of the integrated energy cogeneration system is energy conservation of the device input and output, expressed as:wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfIs a stream of energy;representation oft n After the time period is over, the deviceEqOutput energy sourceafIs a stream of energy; />Representation deviceEqEnergy sourcebfConversion to energyafIs an energy conversion efficiency of the system.
8. The cogeneration system electric energy and thermal energy carbon flow distribution computing device of claim 6, wherein the carbon balance principle of the integrated energy cogeneration system is the conservation of carbon flow of the device input and output, expressed as:wherein->Is thatt n After the time period is over, the deviceEqInput energy sourcebfExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqInput energy sourcebfEnergy flow of->Is thatt n After the time period is over, the deviceEqInput energy sourcebfCarbon row of (2)Strength of the steel plate is released; />Is thatt n After the time period is over, the deviceEqOutput energy sourceafExpressed as carbon emissions: />Wherein->Representation oft n After the time period is over, the deviceEqOutput energy sourceafEnergy flow of->Is thatt n After the time period is over, the deviceEqOutput energy sourceafCarbon emission intensity of (2); />Representation deviceEqCarbon split ratio of (2).
9. The cogeneration system electric energy and thermal energy carbon flow distribution computing device of claim 6, wherein the carbon emission balance model of the cogeneration system established by the first establishment module is:wherein->For the electrical energy output of a cogeneration system, +.>For the thermal energy output of a cogeneration system, +.>For the power conversion efficiency of a cogeneration system, < >>For the heat energy conversion efficiency of the cogeneration system, < >>Carbon emission intensity of electric energy flow output for cogeneration system, < >>Carbon emission intensity of heat energy flow output by cogeneration system, < >>For gas energy input of cogeneration system, < >>The carbon emission intensity of the gas energy stream input to the cogeneration system.
10. The cogeneration system electrical energy and thermal energy carbon flow distribution computing device of claim 9 wherein the second building module builds a cogeneration system carbon flow in energy flow relationship distribution model with an electrical energy conversion efficiency and an electrical energy emission intensity of an electrical output port of the cogeneration system inversely proportional, the cogeneration system carbon flow in energy flow relationship distribution model being:。
11. an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the steps of the cogeneration system electric energy and thermal energy carbon flow distribution calculation method of any one of claims 1-5.
12. A computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor performs the steps of the cogeneration system electrical and thermal energy carbon stream distribution calculation method of any one of claims 1-5.
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