CN116823296B - Method, system, equipment and medium for determining carbon emission of electricity utilization side - Google Patents
Method, system, equipment and medium for determining carbon emission of electricity utilization side Download PDFInfo
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 106
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- 230000005611 electricity Effects 0.000 title claims abstract description 51
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- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 238000004364 calculation method Methods 0.000 claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000003245 coal Substances 0.000 claims description 9
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- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 229960004424 carbon dioxide Drugs 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 3
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- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
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- 241000764238 Isis Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
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Abstract
The invention discloses a method, a system, equipment and a medium for determining carbon emission of electricity utilization side, belonging to the technical field of carbon emission determination, comprising the following steps: the method comprises the steps of obtaining loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after network loss is allocated in a power grid; determining the degree electricity emission factor of the generator set at each node according to the power generation of the generator set at each node; according to the load of each node after the network loss is allocated and the injection power of each node in the power grid, determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated; and determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix. The accurate calculation of the carbon emission quantity and the carbon emission factor of each node is realized.
Description
Technical Field
The invention relates to the technical field of carbon emission measurement, in particular to a method, a system, equipment and a medium for determining electricity side carbon emission.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The emission factor method is a carbon emission estimation method for accounting for carbon dioxide emissions generated using electricity. The power supply emission factor is equal to the direct greenhouse gas emission of the power production divided by the amount of electricity supplied. As an important parameter for connecting the power consumption and the carbon emission, whether the use of the carbon emission factor of the power grid is reasonable and the value is proper or not greatly influences the accounting quality of the greenhouse gas emission, and has important significance for accurately evaluating the carbon emission (or carbon emission reduction) of each area, each enterprise and each project.
The carbon emission factor determined by the current method is the carbon emission factor of an area, the difference of power consumption of enterprises in different areas and at different times is not considered, and the power consumption characteristics of the enterprises are not considered, so that the carbon emission factor determined by the current method cannot accurately determine the carbon emission amount of each node.
Disclosure of Invention
In order to solve the problems, the invention provides a method, a system, equipment and a medium for determining carbon emission of an electricity utilization side, which realize accurate calculation of carbon emission of each node.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in a first aspect, a method for determining carbon emission of an electricity consumption side is provided, including:
the method comprises the steps of obtaining loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after network loss is allocated in a power grid;
determining the degree electricity emission factor of the generator set at each node according to the power generation of the generator set at each node;
according to the load of each node after the network loss is allocated and the injection power of each node in the power grid, determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated;
and determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix.
In a second aspect, a power side carbon emission determination system is provided, comprising:
the data acquisition module is used for acquiring loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after the network loss is shared in the power grid;
the power emission factor determining module is used for determining the power emission factor of the generator set at each node according to the power generation of the generator set at each node;
the node carbon emission determining module is used for determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated according to the load of each node and the injection power of each node after the network loss is allocated in the power grid; and determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix.
In a third aspect, an electronic device is provided that includes a memory and a processor, and computer instructions stored on the memory and running on the processor that, when executed by the processor, perform the steps of a method for determining carbon emissions on an electricity consumption side.
In a fourth aspect, a computer readable storage medium is provided for storing computer instructions that, when executed by a processor, perform the steps of a method for determining carbon emissions at a power utilization side.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method, each node in the power grid is independently analyzed, the carbon emission of each node is determined, the carbon emission factor based on the region is not used, and the accuracy of determining the carbon emission of the node is improved.
2. When the carbon emission is determined, the influence of the net loss on the carbon emission is considered, the carbon emission of each node is determined by using the load of each node and the injection power of each node after the net loss is shared, the accuracy of the determination of the carbon emission of each node is effectively ensured, and the accuracy of the carbon emission factors of each node is further ensured.
3. When the carbon emission of each node is determined, the invention considers the self-generated power of each enterprise and the generated power of the renewable energy unit, and further improves the accuracy of determining the carbon emission of each node and the carbon emission factor.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
FIG. 1 is a flow chart of an embodiment of the disclosed method;
FIG. 2 is a tidal flow diagram of the embodiment disclosure;
FIG. 3 is a graph of node carbon emission factors determined with and without regard to industry characteristics as disclosed in the examples.
Detailed Description
The invention will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example 1
In this embodiment, a power side carbon emission determination method is disclosed, as shown in fig. 1 to 3, including:
s1: and obtaining loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after network loss is shared in the power grid.
Specifically, power system scheduling operation data are obtained;
according to the dispatching operation data of the power system, calculating power grid power flow distribution considering network loss;
and determining the load of each node and the injection power of each node after the network loss is shared in the power grid according to the power flow distribution of the power grid when the network loss is considered.
Preferably, according to the power system dispatching operation data, the power grid power flow distribution is obtained by calculation through a Newton-Lapherson algorithm.
Determining a branch power flow comparison matrix when the network loss is considered according to the power flow distribution of the power grid when the network loss is considered; and determining the load of each node and the injection power of each node after the network loss is shared in the power grid according to the branch power flow comparison matrix when the network loss is considered.
After the network loss is shared, the injection power of each node is as follows:
wherein,to apportion the nodes after network lossiInjection power, < >>To apportion network loss from nodejInjection nodeiPower of->Is a nodeiGenerating power of the generator set including generating power of each thermal power generating unit>The power generated by each enterprise and the power generated by each renewable energy unit,α i is a nodeiA set of connected nodes, note: in all of the following notes, the superscript is 0 tableThe amount is shown as the amount when the net loss is not allocated, and the superscript' indicates that the amount is the amount after the net loss is allocated.
Order theThen:
wherein,i、jfor the two nodes to be connected to each other,node for not distributing network lossjIs +.>Estimating approximate nodes for the above formulaiAnd injecting power.
The above is modified into:
wherein,is a nodeiA set of connected nodes->Is made of->Matrix of formation->Is made of->Matrix of formation->The branch power flow proportion matrix is used for considering network loss:
according to the slave node when the network loss is not allocatedjInjection nodeiPower of (3)And the injection power of node j when the loss of the network is not allocated +.>Determining a branch power flow proportion matrix when network loss is considered>。
If it isIs a reversible matrix, and then:
wherein,node for not distributing network lossiLoad (I)>For slave nodes without distributing network lossjInjection nodeiPower of->Node for not distributing network lossiInjection power, < >>To apportion the nodes after network lossiAnd (5) loading. />、/>And->Can be obtained from the power grid power flow distribution when the network loss is considered.
According to the slave node when the network loss is not allocatedjInjection nodeiPower of (3)And the injection power of node j when the loss of the network is not allocated +.>Determining a branch power flow proportion matrix when network loss is considered>The method comprises the steps of carrying out a first treatment on the surface of the According to the branch current proportion matrix when considering network loss>Sum nodeiGenerating power of generator set>Determining approximate nodesiInjection power->The method comprises the steps of carrying out a first treatment on the surface of the According to the approximate nodeiInjection power->Slave node after determining shared network lossjInjection nodeiPower of->And node after network loss sharingiLoad->The method comprises the steps of carrying out a first treatment on the surface of the According to the slave node after network loss allocationjInjection nodeiPower of->Sum nodeiGenerating power of generator set>Node after network loss allocation is determinediInjection power->。
The embodiment calculates and obtainsAnd->And then, the network loss is distributed to each load of the power system, so that the network is equivalent to a lossless network.
S2: and determining the electricity discharge factor of the generator set at each node according to the power generation of the generator set at each node.
Considering the influence of the self power generation of each enterprise, such as the power generation of cement plants and steel plants by utilizing waste materials such as waste heat and residual energy, byproduct gas and the like generated in the production process, the power generation power is the self power generation power of the enterprise, which is equivalent to the increase of the electricity discharge factor of 0 at the load node.
The electricity discharge factor of the thermal power generating unit at the node is determined according to the power generation of the thermal power generating unit at the node, and the electricity discharge factor of the thermal power generating unit at the node is determined as the electricity discharge factor of the generator unit at the node because the electricity discharge factor of the self power generation of each enterprise and the electricity discharge factor of the renewable energy unit are both 0.
According to the relevant parameters of the thermal power generating units, the process for determining the degree electricity emission factors of each thermal power generating unit is as follows:
according to the power generation of the thermal power generating unit at the nodeDetermining the power consumption of thermal power generating unit at node, whichIn (a):
in the method, in the process of the invention,w i is a nodeiThe electricity and coal consumption of the thermal power generating unit are treated,is a nodeiAnd the power generation power of the thermal power generating unit is processed, lambda is a power coal consumption correction coefficient of the thermal power generating unit, and the value of lambda is related to the running state of the thermal power generating unit.a i 、b i 、c i Respectively nodesiAnd processing the characteristic parameters of the fuel consumption of the thermal power unit.
Substituting the power generation power of the thermal power generating units at the nodes into the above, and calculating to obtain the power consumption of the thermal power generating units at the nodes.
Determining the power consumption and the discharge factor of the thermal power generating unit at each node according to the power consumption and the coal consumption of the thermal power generating unit at each node, wherein:
wherein:E Gi is a nodeiThe power discharge factor of the thermal power generating unit is processed,μ i 、η i 、ξ i respectively nodesiCarbon capture rate, coal-fired carbon content and carbon oxidization rate of the thermal power generating unit;M C 、M CO2 the molar masses of carbon and carbon dioxide were 12g/mol and 44g/mol, respectively.
Substituting the electricity consumption of each thermal power generating unit at each node into the formula, and calculating to obtain the electricity emission factor of each thermal power generating unit at each node, namely the electricity emission factor of each generator unit at each node.
S3: according to the load of each node after the network loss is allocated and the injection power of each node, determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated; and determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix.
And calculating the power flow of the power grid without the network loss according to the load of each node after the network loss is allocated, and obtaining the power of each line without the network loss.
After the network loss is distributed to each load of the power system, the power grid is equivalent to a lossless network, the power grid power flow is recalculated according to the distributed loads of each node and the power generation power of each node generator set, and the network loss is ignored when the power grid power flow is recalculated, so that the power of each line without the network loss is obtained.
According to nodes without network lossjInjection nodeiLine power of (2)NodeiGenerating power of generator setDetermining nodes without network lossiInjection power->NodeiInjection power->Specific:
order theThen:
deforming it into:
wherein,for apportioning branch circuit power flow proportion matrix after network loss, < > in the case of network loss>Is a node without network lossjInjecting power; />The power matrix is injected into the nodes without network loss and consists of the injection power of each node without network loss, < ->The power generation matrix is a power generation matrix of the generator set at the node and is composed of power generation of the generator set at each node,/-or%>Is a nodeiA set of connected nodes, then:
if it isIs a reversible matrix, then there is
Node after determining shared network lossiLoad ratio matrix of (2)The method comprises the following steps:
wherein,to apportion the nodes after network lossiAnd (5) loading.
Then
Wherein,for the node load matrix after the network loss is allocated, the node load matrix is formed by the node loads after the network loss is allocated, and the node load matrix is->Is->A diagonal matrix is formed.
Node load matrix after network loss allocation：
According to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix, determining that the carbon discharge amount of each node is as follows:
in the method, in the process of the invention,E L a carbon emission matrix for the nodes, which is composed of the carbon emission of each node,C G the vector is a degree electricity emission factor vector of the generator set, and is composed of degree electricity emission factors of the generator set at each node.
S4: dividing the carbon emission of each node by the load of each node after network loss allocation to obtain the carbon emission factor of each node, wherein the specific steps are as follows:
wherein,is a nodeiIs used for the carbon emission factor of (1),E Li is a nodeiCarbon emission of>To apportion the nodes after network lossiAnd (5) loading.
As shown in fig. 2, in order to consider the IEEE30 node block diagram of the new energy unit and the enterprise's own power generation, the power of each generator, the load of each node and the electricity discharge factor are shown in the following table:
table 1 set parameters
TABLE 2 load parameters
And setting two scenes to respectively calculate the carbon emission factors of all nodes of the power grid according to whether the enterprise generates power or not.
When the enterprise self power generation is not considered, the network loss is distributed to each load, and the load of each node after the network loss is distributed is obtained as shown in table 3.
Table 3 does not consider the load of each node after network loss is shared when the enterprise generates power by itself
When the enterprise itself is considered to generate electricity, it is assumed that the node 15 is a cement plant, the remaining thermal power generation amount is 3.5MW, the node 30 is a steel plant, and the self-generated power amount is 6MW. After the network loss is distributed to the loads of the nodes, the loads of the nodes after the network loss are distributed are shown in table 4.
Table 4 considers the load of each node after network loss is shared when the enterprise generates power by itself
The carbon emission factor of each node obtained by final calculation is shown in fig. 3 under the two scenes of not considering the enterprise self-power generation and considering the enterprise self-power generation.
The right bar in the figure is the carbon emission factor of each node which does not consider the self-power generation of the enterprise, and the left bar is the carbon emission factor of each node which considers the self-power generation of the enterprise such as a cement plant, a steel plant and the like. It can be seen that when the self-power generation of the enterprise is considered, the carbon emission factors of the cement plant at the node 15 and the steel plant at the node 30 are obviously reduced, which indicates that the method disclosed by the embodiment can reflect the contribution of the waste gas and waste heat recycling power generation of the enterprise to the carbon emission reduction, thereby improving the enthusiasm of the technical innovation of the enterprise to participate in the carbon emission reduction.
In the figure, the carbon emission factors of most nodes except the nodes 15 and 30 are also reduced, which means that the waste heat and residual energy recovery power generation of enterprises plays a certain role in reducing the power generation pressure of the thermal power generating unit and reducing the carbon emission of the whole network.
Determining the time and space characteristics of the network carbon emission factor by adopting a tide tracking method is favorable for fully reflecting the carbon emission factor, wherein in the specific embodiment, the node 11 is wind power, and the duty ratio of new energy sources in different seasons in different periods of the day and in different years in one region on the power generation side is different; the energy structures in different areas are also greatly different, so that the carbon emission factor of the power grid is greatly influenced in accounting, the average carbon emission factor of the power grid which does not consider the self power generation of an enterprise is 420.2596, and when the wind power is reduced to 12.5MW, the average carbon emission factor of the power grid is 499.4723 according to the calculation method; the method for calculating the carbon emission factor by considering the self-power generation of the enterprise is provided on the basis of the method for calculating the carbon emission factor by considering the space-time characteristics, the power utilization characteristics of the load can be further considered, the production behaviors of the enterprise are taken into account of the emission factor, and the determination of the carbon emission factor is more accurately realized. Thereby realizing the accurate determination of the carbon emission.
Example 2
In this embodiment, a power side carbon emission determination system is disclosed, comprising:
the data acquisition module is used for acquiring loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after the network loss is shared in the power grid;
the power emission factor determining module is used for determining the power emission factor of the generator set at each node according to the power generation of the generator set at each node;
the node carbon emission determining module is used for determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated according to the load of each node and the injection power of each node after the network loss is allocated in the power grid; and determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix.
Example 3
In this embodiment, an electronic device is disclosed that includes a memory and a processor, and computer instructions stored on the memory and running on the processor that, when executed by the processor, perform the steps of a power-side carbon emission determination method disclosed in embodiment 1.
Example 4
In this embodiment, a computer readable storage medium is disclosed for storing computer instructions that, when executed by a processor, perform the steps of a power-side carbon emission determination method disclosed in embodiment 1.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (9)
1. A power side carbon emission determination method, characterized by comprising:
the method comprises the steps of obtaining loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after network loss is allocated in a power grid;
determining the degree electricity emission factor of the generator set at each node according to the power generation of the generator set at each node;
the process for determining the degree electricity emission factor of each thermal power generating unit comprises the following steps:
according to the power generation of the thermal power generating unit at the nodeDetermining the electricity consumption of the thermal power generating unit at the node, wherein:
in the method, in the process of the invention,w i is a nodeiThe electricity and coal consumption of the thermal power generating unit are treated,is a nodeiGenerating power of the thermal power generating unit is processed, lambda is a power coal consumption correction coefficient of the thermal power generating unit, and the value of lambda is related to the running state of the thermal power generating unit;a i 、b i 、c i respectively nodesiProcessing the characteristic parameters of the fuel consumption of the thermal power unit;
determining the power consumption and the discharge factor of the thermal power generating unit at each node according to the power consumption and the coal consumption of the thermal power generating unit at each node, wherein:
wherein:E Gi is a nodeiThe power discharge factor of the thermal power generating unit is processed,μ i 、η i 、ξ i respectively nodesiCarbon capture rate, coal-fired carbon content and carbon oxidization rate of the thermal power generating unit;M C 、M CO2 the molar masses of carbon and carbon dioxide are respectively 12g/mol and 44g/mol;
according to the load of each node after the network loss is allocated and the injection power of each node in the power grid, determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated;
wherein,for apportioning branch circuit power flow proportion matrix after network loss, < > in the case of network loss>The power matrix is injected into the nodes without network loss and consists of the injection power of each node without network loss, < ->Generating power matrix for generating set at node, < +.>Is a nodeiA collection of connected nodes;
node after determining shared network lossiLoad ratio matrix of (2)The method comprises the following steps:
wherein,to apportion the nodes after network lossiA load;
node load matrix after network loss allocation：
Wherein,for the node load matrix after the network loss is allocated, the node load matrix is formed by the node loads after the network loss is allocated, and the node load matrix is->Is thatA diagonal matrix is formed;
determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix;
in the method, in the process of the invention,E L a carbon emission matrix for the nodes, which is composed of the carbon emission of each node,C G the system is a degree electricity emission factor vector of the generator set, and is composed of degree electricity emission factors of the generator set at each node;
dividing the carbon emission of each node by the load of each node after network loss allocation to obtain the carbon emission factor of each node, wherein the specific steps are as follows:
wherein,is a nodeiIs used for the carbon emission factor of (1),E Li is a nodeiCarbon emission of>To apportion the nodes after network lossiAnd (5) loading.
2. The electricity side carbon emission determination method as defined in claim 1, wherein the power system scheduling operation data is acquired;
according to the dispatching operation data of the power system, calculating power grid power flow distribution considering network loss;
and determining the injection power of each node and the load of each node after the network loss is allocated in the power grid according to the power flow distribution of the power grid when the network loss is considered.
3. The method for determining carbon emission on an electricity consumption side according to claim 2, wherein the power grid trend distribution is obtained by calculation using a newton-raphson algorithm.
4. The electricity side carbon emission determining method as claimed in claim 2, wherein the branch power flow ratio matrix when the grid loss is considered is determined according to the power flow distribution of the power grid when the grid loss is considered; and determining the load of each node and the injection power of each node after the network loss is shared in the power grid according to the branch power flow comparison matrix when the network loss is considered.
5. The electricity-side carbon emission determination method as defined in claim 1, wherein the generated power of the generator set at each node includes generated power of each thermal power unit, generated power of each enterprise itself and generated power of each renewable energy unit; and determining the power emission factor of the thermal power unit at the node according to the power generation power of the thermal power unit at the node, wherein the power emission factor is the power emission factor of the generator unit at the node.
6. The electricity-side carbon emission determination method as defined in claim 1, wherein the carbon emission factor of each node is obtained by dividing the carbon emission amount of each node by the load of each node after the net loss is allocated.
7. An electricity side carbon emission determination system, comprising:
the data acquisition module is used for acquiring loads of all nodes, injection power of all nodes and power generation power of a generator set at each node after the network loss is shared in the power grid;
the power emission factor determining module is used for determining the power emission factor of the generator set at each node according to the power generation of the generator set at each node;
the process for determining the degree electricity emission factor of each thermal power generating unit comprises the following steps:
according to the power generation of the thermal power generating unit at the nodeDetermining the electricity consumption of the thermal power generating unit at the node, wherein:
in the method, in the process of the invention,w i is a nodeiThe electricity and coal consumption of the thermal power generating unit are treated,is a nodeiGenerating power of the thermal power generating unit is processed, lambda is a power coal consumption correction coefficient of the thermal power generating unit, and the value of lambda is related to the running state of the thermal power generating unit;a i 、b i 、c i respectively nodesiProcessing the characteristic parameters of the fuel consumption of the thermal power unit;
determining the power consumption and the discharge factor of the thermal power generating unit at each node according to the power consumption and the coal consumption of the thermal power generating unit at each node, wherein:
wherein:E Gi is a nodeiThe power discharge factor of the thermal power generating unit is processed,μ i 、η i 、ξ i respectively nodesiCarbon capture rate, coal-fired carbon content and carbon oxidization rate of the thermal power generating unit;M C 、M CO2 the molar masses of carbon and carbon dioxide are respectively 12g/mol and 44g/mol;
the node carbon emission determining module is used for determining a node load proportion matrix and a branch power flow proportion matrix after the network loss is allocated according to the load of each node and the injection power of each node after the network loss is allocated in the power grid;
wherein,for apportioning branch circuit power flow proportion matrix after network loss, < > in the case of network loss>The power matrix is injected into the nodes without network loss and consists of the injection power of each node without network loss, < ->Generating power matrix for generating set at node, < +.>Is a nodeiSet of connected nodes；
Node after determining shared network lossiLoad ratio matrix of (2)The method comprises the following steps:
wherein,to apportion the nodes after network lossiA load;
node load matrix after network loss allocation：
Wherein,for the node load matrix after the network loss is allocated, the node load matrix is formed by the node loads after the network loss is allocated, and the node load matrix is->Is thatA diagonal matrix is formed;
determining the carbon emission of each node according to the electricity discharge factor of the generator set at each node, the power generation of the generator set at each node, the node load proportion matrix after network loss allocation and the branch tide proportion matrix;
in the method, in the process of the invention,E L a carbon emission matrix for the nodes, which is composed of the carbon emission of each node,C G the system is a degree electricity emission factor vector of the generator set, and is composed of degree electricity emission factors of the generator set at each node;
dividing the carbon emission of each node by the load of each node after network loss allocation to obtain the carbon emission factor of each node, wherein the specific steps are as follows:
wherein,is a nodeiIs used for the carbon emission factor of (1),E Li is a nodeiCarbon emission of>To apportion the nodes after network lossiAnd (5) loading.
8. An electronic device comprising a memory and a processor and computer instructions stored on the memory and running on the processor, which when executed by the processor, perform the steps of a method for determining carbon emissions on an electricity consumption side as claimed in any one of claims 1 to 6.
9. A computer readable storage medium storing computer instructions which, when executed by a processor, perform the steps of a power side carbon emission determination method of any one of claims 1-6.
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