CN116012196A - Complex electricity park carbon metering method, system, computer equipment and storage medium - Google Patents
Complex electricity park carbon metering method, system, computer equipment and storage medium Download PDFInfo
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Abstract
The invention belongs to the field of electric power automation, and discloses a carbon metering method, a system, computer equipment and a storage medium for a complex electricity utilization park, which comprise the steps of obtaining the loss carbon emission of the complex electricity utilization park in a metering period according to a charging power supply of an energy storage power station and a national grid emission factor; according to the national power grid emission factor, the new energy power generation amount, the park green power transaction decomposition electric quantity and the park green certificate transaction electric quantity, obtaining the carbon emission reduction amount of the complex power utilization park in the metering period; and obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction of the complex electricity utilization park in the metering period. And the carbon emission loss and the carbon emission reduction are cooperatively considered, so that comprehensive and accurate measurement of carbon emission of a complex electricity utilization park in a measurement period is realized, accurate data support is provided for park work, and energy conservation and emission reduction are promoted.
Description
Technical Field
The invention belongs to the field of electric power automation, and relates to a carbon metering method, a carbon metering system, computer equipment and a storage medium for a complex electricity utilization park.
Background
Carbon metering refers to accurate and effective metering of average greenhouse gas emissions produced during production, transportation, and energy use. Among them, greenhouse gas emissions can be classified into direct emissions and indirect emissions. Direct emissions refer to emissions generated by emissions sources directly controlled or owned by the business, indirect emissions refer to emissions caused by business activities but occurring at emissions sources owned or controlled by other businesses, electricity, steam, heat or cold purchased by the business being included in the energy indirect emissions range. Currently, when calculating the indirect emission of electricity, it depends on the amount of electricity used and the national grid emission factor, which depends on the clean energy generation ratio. Meanwhile, in all the electric power, the green electric power has environmental value, indirect carbon emission of enterprises can be withheld, green electric power transaction is based on green electric power consumption certificates, and green electric power transaction records without certificates are removed.
Currently, existing carbon metering methods are extensive in calculating carbon emissions by fixing carbon emission factors on the source side and the energy side. However, the complex electricity utilization park generally comprises facilities such as self-contained power plants, new energy power generation and energy storage power stations, and the like, and can also participate in electric power transaction activities such as green electric power transaction, so that the electricity utilization carbon emission of the complex electricity utilization park is not easy to define, and meanwhile, the process of carbon metering of the complex electricity utilization park is more complex due to the fact that a carbon emission system in the complex electricity utilization park, related equipment operation, production directions of various departments and the like are complicated, and the accurate metering of the total carbon emission amount and the strength of the complex electricity utilization park cannot be performed by adopting the existing carbon metering method.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a carbon metering method, a carbon metering system, computer equipment and a storage medium for a complex electricity park.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a carbon metering method for a complex electricity utilization park, which comprises the following steps:
acquiring outsourcing electric power carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, energy storage power station charging power supply, national power grid emission factor, new energy generating capacity, park green electric power transaction decomposition electric quantity and park green certificate transaction electric quantity of a complex electricity utilization park in a metering period;
obtaining the loss carbon emission of the complex electricity park in the metering period according to the charging power supply of the energy storage power station and the national grid emission factor;
according to the national power grid emission factor, the new energy power generation amount, the park green power transaction decomposition electric quantity and the park green certificate transaction electric quantity, obtaining the carbon emission reduction amount of the complex power utilization park in the metering period;
and obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction of the complex electricity utilization park in the metering period.
Optionally, the outsourcing electric carbon emission E Outsourcing electricity Obtained by the following formula:
E outsourcing electricity ＝D Outsourcing electricity ×EF Electric power
Wherein AD is Outsourcing electricity For extravagant electricity quantity, EF Electric power Is a national power grid emission factorA seed;
the outsourcing thermal carbon emission E Heat of outsourcing Obtained by the following formula:
E heat of outsourcing ＝D Heat of outsourcing ×EF Heat of the body
Wherein AD is Heat of outsourcing For outsourcing heat and energy to EF Heat of the body Purchasing a thermodynamic emission factor for the region;
carbon emission E 'of self-contained power plant park' Self-contained power plant Obtained by the following formula:
E self-contained power plant ＝C×Q×T
Wherein E is Self-contained power plant The total carbon emission of the self-contained power plant is C is the average concentration of carbon dioxide in the self-contained power plant, Q is the average flow of flue gas in the self-contained power plant, T is the running time of a self-contained power plant unit, G T G is the generated energy of self-contained power plant W The method is used for surfing the Internet of electricity for the self-contained power plant.
Optionally, the obtaining the carbon emission loss of the complex electricity park in the metering period according to the charging power source of the energy storage power station and the national grid emission factor includes:
when the charging power source of the energy storage power station generates power for new energy of the complex electricity utilization park, the charging power of the energy storage power station is obtained, and the carbon emission loss E of the complex electricity utilization park in the metering period is obtained through the following steps Loss of ：
E Loss of ＝G′ S ×EF Electric power
G′ S ＝G S (1-η)/η
Wherein G' S To deduct the electric quantity of new energy, EF Electric power Is the national grid emission factor, G S Charging electric quantity for the energy storage power station, wherein eta is the conversion efficiency of the energy storage power station;
when the charging power source of the energy storage power station does not generate power for new energy sources of the complex electricity utilization park, the emission of the lost carbon is 0.
Optionally, the obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering period according to the national power grid emission factor, the new energy generating capacity, the park green electricity transaction decomposition electric quantity and the park green certificate transaction electric quantity includes:
obtaining the new energy carbon emission reduction ER through the following steps New energy source ：
ER New energy source ＝G R ×EF Electric power
Wherein G is R EF is the energy generation capacity of new energy Electric power Is a national grid emission factor;
the emission reduction ER of the green electric power transaction carbon is obtained by the following steps Green power ：
ER Green power ＝Q Green electrolytic decomposition ×EF Electric power
Wherein Q is Green electrolytic decomposition Decomposing electric quantity for green power transaction of the park;
the green certificate transaction electric quantity ER is obtained by the following steps Green pattern of syndrome ：
ER Green pattern of syndrome ＝Q Decomposition of green syndrome ×EF Electric power
Wherein Q is Decomposition of green syndrome Trade electric quantity for green certificates of parks;
and superposing the new energy carbon emission reduction amount, the green electric power trade carbon emission reduction amount and the green certificate trade electric quantity to obtain the carbon emission reduction amount of the complex electricity park in the metering period.
Optionally, the method further comprises:
the park emission factor EF of the complex electricity park is obtained by Park area ：
Wherein E 'is' Self-contained power plant For the carbon emission of the self-contained power plant park, E Loss of To consume carbon emission, G T G is the generated energy of self-contained power plant W G, for self-contained power plant to access to the network electricity R G is the energy generation of new energy S And charging the energy storage power station with electric quantity.
Optionally, the method further comprises:
acquiring enterprise total power consumption, enterprise green power transaction and decomposition power, enterprise green certificate transaction and decomposition power, enterprise outsourcing power and enterprise outsourcing heat of each enterprise in a metering period of a complex power utilization park;
obtaining enterprise carbon measurement E of each enterprise in complex electricity utilization park through the following steps Park enterprises ：
E Park enterprises ＝(Q 1 -Q 4 )×EF Park area +(Q 4 -Q 2 -Q 3 )×EF Electric power +Q 5 ×EF Heat of the body
Wherein Q is 1 For the total electricity consumption of enterprises, Q 2 Decomposing electric quantity for green electric power transaction of enterprise, Q 3 Decomposing electric quantity for enterprise green certificate transaction, Q 4 For outsourcing electric power and quantity of enterprises, Q 5 For outsourcing heat and power to the enterprise, EF Electric power EF is a national grid emission factor Heat of the body And purchasing the thermodynamic emission factors for the outsider.
In a second aspect of the invention, there is provided a complex electricity park carbon metering system comprising:
the data acquisition module is used for acquiring outsourcing electric power carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, energy storage power station charging power supply, national power grid emission factor, new energy generating capacity, park green electric power transaction decomposition electric quantity and park green certificate transaction electric quantity of the complex electricity utilization park in a metering period;
the loss carbon emission determining module is used for obtaining the loss carbon emission of the complex electricity park in a metering period according to the charging power supply of the energy storage power station and the national grid emission factor;
the carbon emission reduction amount determining module is used for obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering period according to the national power grid emission factor, the new energy generating capacity, the park green electricity transaction decomposition electric quantity and the park green certificate transaction electric quantity;
and the carbon metering module is used for obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction emission of the complex electricity utilization park in the metering period.
Optionally, the carbon loss determination module is specifically configured to:
when the charging power source of the energy storage power station generates power for new energy of the complex electricity utilization park, the charging power of the energy storage power station is obtained, and the carbon emission loss E of the complex electricity utilization park in the metering period is obtained through the following steps Loss of ：
E Loss of ＝G′ S ×EF Electric power
G′ S ＝G S (1-η)/η
Wherein G' S To deduct the electric quantity of new energy, EF Electric power Is the national grid emission factor, G S Charging electric quantity for the energy storage power station, wherein eta is the conversion efficiency of the energy storage power station;
when the charging power source of the energy storage power station does not generate power for new energy sources of the complex electricity utilization park, the emission of the lost carbon is 0.
The carbon emission reduction amount determination module is specifically configured to:
obtaining the new energy carbon emission reduction ER through the following steps New energy source ：
ER New energy source ＝G R ×EF Electric power
Wherein G is R EF is the energy generation capacity of new energy Electric power Is a national grid emission factor;
the emission reduction ER of the green electric power transaction carbon is obtained by the following steps Green power ：
ER Green power ＝Q Green electrolytic decomposition ×EF Electric power
Wherein Q is Green electrolytic decomposition Decomposing electric quantity for green power transaction of the park;
the green certificate transaction electric quantity ER is obtained by the following steps Green pattern of syndrome ：
ER Green pattern of syndrome ＝ Decomposition of green syndrome ×EF Electric power
Wherein Q is Decomposition of green syndrome Trade electric quantity for green certificates of parks;
and superposing the new energy carbon emission reduction amount, the green electric power trade carbon emission reduction amount and the green certificate trade electric quantity to obtain the carbon emission reduction amount of the complex electricity park in the metering period.
In a third aspect the present invention provides a computer device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, said processor implementing the steps of the complex electricity park carbon metering method described above when said computer program is executed.
In a fourth aspect of the invention, there is provided a computer readable storage medium storing a computer program which when executed by a processor performs the steps of the complex electricity park carbon metering method described above.
Compared with the prior art, the invention has the following beneficial effects:
according to the complex electricity utilization park carbon metering method, based on the complex electricity utilization field scene of the complex electricity utilization park, the outsourcing electric power carbon emission, the outsourcing thermal carbon emission and the self-contained power plant park carbon emission are considered at first, then the additional confirmation of the consumed carbon emission is realized based on the energy storage power station charging power supply, meanwhile, the green electricity transaction behavior is fully considered, the accurate metering of the carbon emission reduction is realized based on the park green electricity transaction decomposition electric quantity and the park green certificate transaction electric quantity, and finally the comprehensive accurate metering of the carbon emission of the complex electricity utilization park in the metering period is realized by fusing the outsourcing electric power carbon emission, the outsourcing thermal carbon emission, the self-contained power plant park carbon emission, the consumed carbon emission and the carbon emission reduction, so that the accurate data support is provided for park work, and the energy conservation and emission reduction are promoted.
Drawings
FIG. 1 is a flow chart of a complex electricity park carbon metering method in accordance with an embodiment of the present invention.
FIG. 2 is a block diagram of a complex electricity park carbon metering system in accordance with an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1, in one embodiment of the present invention, a carbon metering method for a complex electricity park is provided, and in particular, a carbon metering method for a complex electricity park including self-contained power plants, new energy power generation, energy storage power stations and green power transactions is provided, so that accurate metering of carbon emissions in the complex electricity park during a metering period can be realized.
Specifically, the carbon metering method for the complex electricity utilization park comprises the following steps:
s1: and acquiring outsourcing electric power carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, energy storage power station charging power supply, national power grid emission factor, new energy generating capacity, park green electric power transaction decomposition electric quantity and park green certificate transaction electric quantity of the complex electricity utilization park in a metering period.
S2: and obtaining the carbon emission loss of the complex electricity utilization park in the metering period according to the charging power supply of the energy storage power station and the national grid emission factor.
S3: and obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering period according to the national power grid emission factor, the new energy power generation amount, the park green electric power transaction decomposition electric quantity and the park green certificate transaction electric quantity.
S4: and obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction of the complex electricity utilization park in the metering period.
According to the complex electricity utilization park carbon metering method, based on the complex electricity utilization field scene of the complex electricity utilization park, the outsourcing electric power carbon emission, the outsourcing thermal carbon emission and the self-contained power plant park carbon emission are considered at first, then the additional confirmation of the consumed carbon emission is realized based on the energy storage power station charging power supply, meanwhile, the green electricity transaction behavior is fully considered, the accurate metering of the carbon emission reduction is realized based on the park green electricity transaction decomposition electric quantity and the park green certificate transaction electric quantity, and finally the comprehensive accurate metering of the carbon emission of the complex electricity utilization park in the metering period is realized by fusing the outsourcing electric power carbon emission, the outsourcing thermal carbon emission, the self-contained power plant park carbon emission, the consumed carbon emission and the carbon emission reduction, so that the accurate data support is provided for park work, and the energy conservation and emission reduction are promoted.
In one possible embodiment, the outsourced electric power carbon emission E Outsourcing electricity Obtained by the following formula:
E outsourcing electricity ＝D Outsourcing electricity ×EF Electric power
Wherein AD is Outsourcing electricity For extravagant electricity quantity, EF Electric power Is a national grid emission factor.
Optionally, the outsourcing thermal carbon emission E Heat of outsourcing Obtained by the following formula:
E heat of outsourcing ＝D Heat of outsourcing ×EF Heat of the body
Wherein AD is Heat of outsourcing For outsourcing heat to parkHeat, EF Heat of the body And purchasing the thermodynamic emission factors for the outsider.
Specifically, the national grid emission factor and the regional outsourcing thermal emission factor are obtained by reading recently issued data in real time, typically once every 15 minutes.
In one possible embodiment, the following means for obtaining carbon emissions from a self-contained power plant park is provided.
First, self-contained power plants are specific to thermal power plants, including coal-fired power plants and gas-fired power plants. In this acquisition mode, when calculating the carbon emission of the self-contained power plant park, the carbon dioxide concentration and the flue gas flow of the self-contained power plant need to be monitored in real time, and the carbon dioxide concentration and the flue gas flow can be generally realized through a continuous monitoring system (CEMS) installed in the self-contained power plant.
Secondly, based on acquiring real-time monitoring data, the total carbon emission of the self-contained power plant is acquired by the following formula:
E self-contained power plant ＝C×Q×T
However, for carbon emissions from complex power parks, the carbon emissions from the on-grid power portion of the self-contained power plant are also subtracted. Thus, the carbon emissions E 'from the self-contained power plant park' Self-contained power plant Finally, the method is obtained by the following formula:
wherein C is the average concentration of carbon dioxide in the self-contained power plant, Q is the average flow of flue gas in the self-contained power plant, T is the running time of the self-contained power plant unit, and G T G is the generated energy of self-contained power plant W The method is used for surfing the Internet of electricity for the self-contained power plant.
In one possible embodiment, the obtaining the carbon emission loss of the complex electricity park in the metering period according to the charging power source of the energy storage power station and the national grid emission factor includes: when the charging power source of the energy storage power station generates power for new energy of the complex electricity utilization park, the charging power of the energy storage power station is obtained, and the carbon emission loss E of the complex electricity utilization park in the metering period is obtained through the following steps Loss of ：
E Loss of ＝ S ′×EF Electric power
G S ′＝ S (1-)/
Wherein G is S ' to deduct new energy electric quantity, EF Electric power Is the national grid emission factor, G S The power is charged by the energy storage power station, eta is the conversion efficiency of the energy storage power station, and the conversion efficiency of the energy storage power station is generally 0.85-0.90.
When the charging power source of the energy storage power station does not generate power for new energy sources of the complex electricity utilization park, the emission of the lost carbon is 0.
Specifically, energy storage power stations are generally classified into three types according to charging power sources: 1) The charging power supply of the energy storage power station is externally purchased electricity in a park, the externally purchased electricity directly converts the carbon emission into carbon emission when the carbon is measured, the energy storage power station is not considered, and the carbon emission loss is 0 at the moment; 2) The charging power source of the energy storage power station is a self-contained power plant in a park, the carbon emission is directly calculated by a monitoring method during carbon measurement, the energy storage power station is not considered, and the loss carbon emission is 0 at the moment; 3) The energy storage power station charging power supply is park new energy power generation, at this moment, based on energy storage power station conversion efficiency, the energy storage power station can be known to cause certain electric quantity loss to new energy generating capacity, so that the loss carbon emission amount needs to be considered under the condition.
In one possible implementation manner, the obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering period according to the national grid emission factor, the new energy generating capacity, the park green electricity transaction decomposition amount and the park green certificate transaction amount includes:
obtaining the new energy carbon emission reduction ER through the following steps New energy source ：
ER New energy source ＝ R ×EF Electric power
The emission reduction ER of the green electric power transaction carbon is obtained by the following steps Green power ：
ER Green power ＝ Green electrolytic decomposition ×EF Electric power
The green certificate transaction electric quantity ER is obtained by the following steps Green pattern of syndrome ：
ER Green pattern of syndrome ＝ Decomposition of green syndrome ×EF Electric power
Wherein G is R For generating energy of new energy, Q Green electrolytic decomposition Decomposing electric quantity for green power transaction in park, Q Decomposition of green syndrome The power is traded for green certificates for the campus.
And superposing the new energy carbon emission reduction amount, the green electric power trade carbon emission reduction amount and the green certificate trade electric quantity to obtain the carbon emission reduction amount of the complex electricity park in the metering period.
Specifically, for the new energy power generation, the green electricity trade decomposition power of the campus and the green certificate trade power of the campus, these types of electricity are green electricity, and thus can be used to offset the carbon emissions.
The new energy generating capacity generally comprises wind power generation and photovoltaic power generation, and the new energy generating capacity can be collected through a metering device installed in the new energy power station.
The green power refers to clean energy power with environmental premium, currently comprises wind power and photovoltaic enterprise internet power, and can be expanded to meet the hydropower conditions in the future, but the green power transaction certificate is contained. The green power consumption certificate includes: 1) A green certificate issued to a new energy enterprise by a national renewable energy information management center on the power generation side; 2) Green electricity consumption certificates authenticated by government departments and transaction institutions at the electricity utilization side; 3) And a renewable energy source long-term electricity purchasing protocol achieved by the power consumer and the power generation enterprise, namely a green power PPA protocol. The transaction including the green power consumption certificate includes: green power transactions and green power certificate transactions.
For green power transaction, a green power transaction bid notice issued by a transaction mechanism can be used as a basis in the current month, and finally green power consumption certificates are used as a basis. If the electricity utilization enterprise does not obtain the green power certificate issued by the transaction mechanism within 3 months, the green power transaction is removed from the carbon deduction range. The green power transaction electric quantity is decomposed according to the absorption period, and is generally decomposed in a time-sharing average mode according to the transaction electric quantity and the transaction period on the basis of the annual contract record of the two transaction parties. For green power certificate transactions, green power certificates are used as a basis. The green certificate transaction electric quantity defaults to be evenly decomposed from the beginning of the year to the month of the performance cycle in a time-sharing mode, and the time-sharing average decomposition can also be carried out by customizing time by a park enterprise.
In one possible embodiment, the obtaining the carbon metering result of the complex electricity park in the metering period according to the outsourced electricity carbon emission, outsourced thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction emission of the complex electricity park in the metering period comprises:
obtaining a carbon metering result E of the complex electricity park in a metering period through the following steps r ：
E r ＝E′ Self-contained power plant +E Heat of outsourcing +E Outsourcing electricity -ER New energy source +E Energy storage power station -ER Green power -ER Green pattern of syndrome 。
In one possible implementation, the complex electricity park carbon metering method includes the following detailed steps:
and step 1, reading the latest released national grid emission factors and regional outsourcing thermodynamic emission factors.
And 2, collecting metering data of outsourcing power, outsourcing heating power, self-contained power plant generating capacity, self-contained power plant on-line electric quantity, new energy generating capacity and energy storage power station charging electric quantity.
And step 3, calculating the loss carbon emission quantity of the energy storage power station.
And 4, calculating the direct carbon emission and the indirect carbon emission of the complex electricity utilization park, wherein the direct carbon emission and the indirect carbon emission comprise outsourcing electric power carbon emission, outsourcing thermal carbon emission and self-contained power plant park carbon emission.
And step 5, reading the history and the newly achieved green power transaction data, acquiring the consumed electric quantity and the consumed period, and updating and decomposing according to the transaction period to further obtain the green power transaction decomposed electric quantity of the park.
And step 6, calculating the carbon emission reduction amount generated by decomposing the electric quantity in green power trade of the park.
And 7, reading the newly arrived green certificate transaction data, and updating and decomposing according to the transaction period to obtain the park green certificate transaction electric quantity.
And 8, calculating the carbon emission reduction amount generated by the green certificate transaction electric quantity of the park.
And step 9, calculating the carbon metering result of the complex electricity park in the metering period according to the direct carbon emission, the indirect carbon emission, the loss carbon emission and the carbon emission reduction amount.
In one possible embodiment, the metering period may be one day, one month or one year. When carbon metering is performed in the metering period, data acquisition and carbon metering calculation are performed by taking each 15 minutes as one metering point, and further carbon metering results of all metering points are continuously overlapped to obtain carbon metering results of the whole metering period.
In one possible implementation, a method of calculating a campus emission factor for a complex electricity park is provided. Specifically, the campus emission factor refers to the tonnage of carbon dioxide emissions produced per megawatt hour of the campus's self-generated electricity (produced by self-contained power plants, new energy generation and energy storage power stations).
In this embodiment, the park emission factor EF of the complex electricity park is obtained by the following formula Park area ：
In one possible embodiment, the park emission factor EF based on the complex electricity park described above Park area Realize the enterprise decomposition of the carbon emission of complicated electricity utilization garden, decompose the carbon emission of complicated electricity utilization garden to each enterprise of complicated electricity utilization garden, be fit for complicated electricity utilization garden and develop the double control of carbon emission total amount and intensity, satisfy complicated electricity utilization garden export enterprise simultaneously and develop carbon footprint and trace and carbon label evaluation work needs.
Specifically, the enterprise decomposition of carbon emissions of the complex electricity park includes the following steps:
and acquiring the total power consumption of enterprises, the green power transaction and decomposition power of the enterprises, the green certificate transaction and decomposition power of the enterprises, the outsourcing power of the enterprises and the outsourcing heating power of the enterprises in the metering period of each enterprise in the complex power utilization park.
Obtaining enterprise carbon measurement E of each enterprise in complex electricity utilization park through the following steps Park enterprises ：
E Park enterprises ＝(Q 1 -Q 4 )×EF Park area +(Q 4 -Q 2 -Q 3 )×EF Electric power +Q 5 ×EF Heat of the body
Wherein Q is 1 For the total electricity consumption of enterprises, Q 2 Decomposing electric quantity for green electric power transaction of enterprise, Q 3 Decomposing electric quantity for enterprise green certificate transaction, Q 4 For outsourcing electric power and quantity of enterprises, Q 5 For outsourcing heat and power to the enterprise, EF Electric power EF is a national grid emission factor Heat of the body And purchasing the thermodynamic emission factors for the outsider.
The following are device embodiments of the present invention that may be used to perform method embodiments of the present invention. For details not disclosed in the apparatus embodiments, please refer to the method embodiments of the present invention.
Referring to fig. 2, in yet another embodiment of the present invention, a complex electricity park carbon metering system is provided that can be used to implement the complex electricity park carbon metering method described above, the complex electricity park carbon metering system including a data acquisition module, a lost carbon emission determination module, a carbon emission reduction determination module, and a carbon metering module.
The data acquisition module is used for acquiring outsourcing electric power carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, energy storage power station charging power supply, national power grid emission factor, new energy generating capacity, park green electric power transaction decomposition electric quantity and park green certificate transaction electric quantity of the complex electricity utilization park in a metering period; the loss carbon emission determining module is used for obtaining the loss carbon emission of the complex electricity park in a metering period according to the charging power supply of the energy storage power station and the national grid emission factor; the carbon emission reduction amount determining module is used for obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering period according to the national power grid emission factor, the new energy generating capacity, the park green electricity transaction decomposition electric quantity and the park green certificate transaction electric quantity; the carbon metering module is used for obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction emission of the complex electricity utilization park in the metering period.
In one possible embodiment, the outsourced electric power carbon emission E Outsourcing electricity Obtained by the following formula:
E outsourcing electricity ＝AD Outsourcing electricity ×EF Electric power
The outsourcing thermal carbon emission E Heat of outsourcing Obtained by the following formula:
E heat of outsourcing ＝AD Heat of outsourcing ×EF Heat of the body
Carbon emission E 'of self-contained power plant park' Self-contained power plant Obtained by the following formula:
E self-contained power plant ＝C×Q×T。
In one possible embodiment, the lost carbon emission determination module is specifically configured to: when the charging power source of the energy storage power station generates power for new energy of the complex electricity utilization park, the charging power of the energy storage power station is obtained, and the carbon emission loss E of the complex electricity utilization park in the metering period is obtained through the following steps Loss of ：
E Loss of ＝G′ S ×EF Electric power
G′ S ＝G S (1-η)/η
When the charging power source of the energy storage power station does not generate power for new energy sources of the complex electricity utilization park, the emission of the lost carbon is 0.
In one possible embodiment, the carbon emission reduction amount determination module is specifically configured to:
obtaining the new energy carbon emission reduction ER through the following steps New energy source ：
ER New energy source ＝G R ×EF Electric power
The emission reduction ER of the green electric power transaction carbon is obtained by the following steps Green power ：
ER Green power ＝Q Green electrolytic decomposition ×EF Electric power
The green certificate transaction electric quantity ER is obtained by the following steps Green pattern of syndrome ：
ER Green pattern of syndrome ＝Q Decomposition of green syndrome ×EF Electric power
And superposing the new energy carbon emission reduction amount, the green electric power trade carbon emission reduction amount and the green certificate trade electric quantity to obtain the carbon emission reduction amount of the complex electricity park in the metering period.
In one possible embodiment, the system further comprises a campus emission factor determination module for deriving a campus emission factor EF for the complex electricity utilization campus by Park area ：
In one possible implementation manner, the system further comprises a park emission decomposition module, wherein the park emission decomposition module is used for obtaining the total power consumption of enterprises, the green power transaction decomposition power of the enterprises, the green certificate transaction decomposition power of the enterprises, the outsourcing power of the enterprises and the outsourcing heating power of the enterprises in the metering period of each enterprise in the complex power utilization park; obtaining enterprise carbon measurement E of each enterprise in complex electricity utilization park through the following steps Park enterprises ：
E Park enterprises ＝(Q 1 -Q 4 )×EF Park area +(Q 4 -Q 2 -Q 3 )×EF Electric power +Q 5 ×EF Heat of the body 。
All relevant contents of each step related to the foregoing embodiment of the complex electricity consumption park carbon metering method may be cited to the functional description of the functional module corresponding to the complex electricity consumption park carbon metering system in the embodiment of the present invention, which is not described herein.
The division of the modules in the embodiments of the present invention is schematically only one logic function division, and there may be another division manner in actual implementation, and in addition, each functional module in each embodiment of the present invention may be integrated in one processor, or may exist separately and physically, or two or more modules may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules.
In yet another embodiment of the present invention, a computer device is provided that includes a processor and a memory for storing a computer program including program instructions, the processor for executing the program instructions stored by the computer storage medium. The processor may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc., which are the computational core and control core of the terminal adapted to implement one or more instructions, in particular to load and execute one or more instructions within a computer storage medium to implement a corresponding method flow or a corresponding function; the processor provided by the embodiment of the invention can be used for the operation of the carbon metering method of the complex electricity utilization park.
In yet another embodiment of the present invention, a storage medium, specifically a computer readable storage medium (Memory), is a Memory device in a computer device, for storing a program and data. It is understood that the computer readable storage medium herein may include both built-in storage media in a computer device and extended storage media supported by the computer device. The computer-readable storage medium provides a storage space storing an operating system of the terminal. Also stored in the memory space are one or more instructions, which may be one or more computer programs (including program code), adapted to be loaded and executed by the processor. The computer readable storage medium herein may be a high-speed RAM memory or a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. One or more instructions stored in a computer-readable storage medium may be loaded and executed by a processor to implement the corresponding steps of the above embodiments with respect to a complex electricity park carbon metering method.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. 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.
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 (10)
1. A complex electricity park carbon metering method, comprising:
acquiring outsourcing electric power carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, energy storage power station charging power supply, national power grid emission factor, new energy generating capacity, park green electric power transaction decomposition electric quantity and park green certificate transaction electric quantity of a complex electricity utilization park in a metering period;
obtaining the loss carbon emission of the complex electricity park in the metering period according to the charging power supply of the energy storage power station and the national grid emission factor;
according to the national power grid emission factor, the new energy power generation amount, the park green power transaction decomposition electric quantity and the park green certificate transaction electric quantity, obtaining the carbon emission reduction amount of the complex power utilization park in the metering period;
and obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction of the complex electricity utilization park in the metering period.
2. The complex electricity park of claim 1A carbon metering method characterized in that the outsourced electric power carbon emission amount E Outsourcing electricity Obtained by the following formula:
E outsourcing electricity ＝AD Outsourcing electricity ×EF Electric power
Wherein AD is Outsourcing electricity For extravagant electricity quantity, EF Electric power Is a national grid emission factor;
the outsourcing thermal carbon emission E Heat of outsourcing Obtained by the following formula:
E heat of outsourcing ＝AD Heat of outsourcing ×EF Heat of the body
Wherein AD is Heat of outsourcing For outsourcing heat and energy to EF Heat of the body Purchasing a thermodynamic emission factor for the region;
carbon emission E 'of self-contained power plant park' Self-contained power plant Obtained by the following formula:
E self-contained power plant ＝C×Q×T
Wherein E is Self-contained power plant The total carbon emission of the self-contained power plant is C is the average concentration of carbon dioxide in the self-contained power plant, Q is the average flow of flue gas in the self-contained power plant, T is the running time of a self-contained power plant unit, G T G is the generated energy of self-contained power plant W The method is used for surfing the Internet of electricity for the self-contained power plant.
3. The method for metering carbon in a complex electricity park according to claim 1, wherein obtaining the carbon emission loss of the complex electricity park in the metering period according to the charging power source of the energy storage power station and the national grid emission factor comprises:
when the charging power source of the energy storage power station generates power for new energy of the complex electricity utilization park, the charging power of the energy storage power station is obtained, and the carbon emission loss E of the complex electricity utilization park in the metering period is obtained through the following steps Loss of ：
E Loss of ＝G′ S ×EF Electric power
G′ S ＝G S (1-η)/η
Wherein G' S To deduct the electric quantity of new energy, EF Electric power Is the national grid emission factor, G S Charging electric quantity for the energy storage power station, wherein eta is the conversion efficiency of the energy storage power station;
when the charging power source of the energy storage power station does not generate power for new energy sources of the complex electricity utilization park, the emission of the lost carbon is 0.
4. The method for metering carbon in a complex electricity utilization park according to claim 1, wherein obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering cycle according to the national grid emission factor, the new energy power generation amount, the park green power transaction decomposition power amount and the park green certificate transaction power amount comprises:
obtaining the new energy carbon emission reduction ER through the following steps New energy source ：
ER New energy source ＝G R ×EF Electric power
Wherein G is R EF is the energy generation capacity of new energy Electric power Is a national grid emission factor;
the emission reduction ER of the green electric power transaction carbon is obtained by the following steps Green power ：
ER Green power ＝Q Green electrolytic decomposition ×EF Electric power
Wherein Q is Green electrolytic decomposition Decomposing electric quantity for green power transaction of the park;
the green certificate transaction electric quantity ER is obtained by the following steps Green pattern of syndrome ：
ER Green pattern of syndrome ＝Q Decomposition of green syndrome ×EF Electric power
Wherein Q is Decomposition of green syndrome Trade electric quantity for green certificates of parks;
and superposing the new energy carbon emission reduction amount, the green electric power trade carbon emission reduction amount and the green certificate trade electric quantity to obtain the carbon emission reduction amount of the complex electricity park in the metering period.
5. The complex electricity park carbon metering method of claim 1, further comprising:
the park emission factor EF of the complex electricity park is obtained by Park area ：
Wherein E 'is' Self-contained power plant For the carbon emission of the self-contained power plant park, E Loss of To consume carbon emission, G T G is the generated energy of self-contained power plant W G, for self-contained power plant to access to the network electricity R G is the energy generation of new energy S And charging the energy storage power station with electric quantity.
6. The complex electricity park carbon metering method of claim 5, further comprising:
acquiring enterprise total power consumption, enterprise green power transaction and decomposition power, enterprise green certificate transaction and decomposition power, enterprise outsourcing power and enterprise outsourcing heat of each enterprise in a metering period of a complex power utilization park;
obtaining enterprise carbon measurement E of each enterprise in complex electricity utilization park through the following steps Park enterprises ：
E Park enterprises ＝(Q 1 -Q 4 )×EF Park area +(Q 4 -Q 2 -Q 3 )×EF Electric power +Q 5 ×EF Heat of the body
Wherein Q is 1 For the total electricity consumption of enterprises, Q 2 Decomposing electric quantity for green electric power transaction of enterprise, Q 3 Decomposing electric quantity for enterprise green certificate transaction, Q 4 For outsourcing electric power and quantity of enterprises, Q 5 For outsourcing heat and power to the enterprise, EF Electric power EF is a national grid emission factor Heat of the body And purchasing the thermodynamic emission factors for the outsider.
7. A complex electricity park carbon metering system, comprising:
the data acquisition module is used for acquiring outsourcing electric power carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, energy storage power station charging power supply, national power grid emission factor, new energy generating capacity, park green electric power transaction decomposition electric quantity and park green certificate transaction electric quantity of the complex electricity utilization park in a metering period;
the loss carbon emission determining module is used for obtaining the loss carbon emission of the complex electricity park in a metering period according to the charging power supply of the energy storage power station and the national grid emission factor;
the carbon emission reduction amount determining module is used for obtaining the carbon emission reduction amount of the complex electricity utilization park in the metering period according to the national power grid emission factor, the new energy generating capacity, the park green electricity transaction decomposition electric quantity and the park green certificate transaction electric quantity;
and the carbon metering module is used for obtaining a carbon metering result of the complex electricity utilization park in the metering period according to the outsourcing electricity carbon emission, outsourcing thermal carbon emission, self-contained power plant park carbon emission, loss carbon emission and carbon emission reduction emission of the complex electricity utilization park in the metering period.
8. The complex electricity park carbon metering system of claim 7, wherein the lost carbon emissions determination module is specifically configured to:
when the charging power source of the energy storage power station generates power for new energy of the complex electricity utilization park, the charging power of the energy storage power station is obtained, and the carbon emission loss E of the complex electricity utilization park in the metering period is obtained through the following steps Loss of ：
E Loss of ＝G′ S ×EF Electric power
G′ S ＝G S (1-η)/η
Wherein G' S To deduct the electric quantity of new energy, EF Electric power Is the national grid emission factor, G S Charging electric quantity for the energy storage power station, wherein eta is the conversion efficiency of the energy storage power station;
when the charging power supply of the energy storage power station does not generate power for new energy sources of the complex electricity utilization park, the emission amount of the lost carbon is 0;
the carbon emission reduction amount determination module is specifically configured to:
by passing throughObtaining the new energy carbon emission reduction ER according to the following formula New energy source ：
ER New energy source ＝G R ×EF Electric power
Wherein G is R EF is the energy generation capacity of new energy Electric power Is a national grid emission factor;
the emission reduction ER of the green electric power transaction carbon is obtained by the following steps Green power ：
ER Green power ＝Q Green electrolytic decomposition ×EF Electric power
Wherein Q is Green electrolytic decomposition Decomposing electric quantity for green power transaction of the park;
the green certificate transaction electric quantity ER is obtained by the following steps Green pattern of syndrome ：
ER Green pattern of syndrome ＝Q Decomposition of green syndrome ×EF Electric power
Wherein Q is Decomposition of green syndrome Trade electric quantity for green certificates of parks;
and superposing the new energy carbon emission reduction amount, the green electric power trade carbon emission reduction amount and the green certificate trade electric quantity to obtain the carbon emission reduction amount of the complex electricity park in the metering period.
9. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, performs the steps of the complex electricity park carbon metering method of any one of claims 1 to 6.
10. A computer readable storage medium storing a computer program, which when executed by a processor performs the steps of the complex electricity park carbon metering method of any of claims 1 to 6.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116821621A (en) * | 2023-06-28 | 2023-09-29 | 南方电网能源发展研究院有限责任公司 | Green electricity transaction carbon emission accounting method, green electricity transaction carbon emission accounting device and computer equipment |
| CN117291628A (en) * | 2023-09-21 | 2023-12-26 | 南通大学 | Comprehensive energy system carbon emission amount calculation method, device and storage medium |
| CN117314468A (en) * | 2023-10-08 | 2023-12-29 | 南方电网能源发展研究院有限责任公司 | Indirect carbon emission carbon accounting method, device, equipment, medium and product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116821621A (en) * | 2023-06-28 | 2023-09-29 | 南方电网能源发展研究院有限责任公司 | Green electricity transaction carbon emission accounting method, green electricity transaction carbon emission accounting device and computer equipment |
| CN117291628A (en) * | 2023-09-21 | 2023-12-26 | 南通大学 | Comprehensive energy system carbon emission amount calculation method, device and storage medium |
| CN117314468A (en) * | 2023-10-08 | 2023-12-29 | 南方电网能源发展研究院有限责任公司 | Indirect carbon emission carbon accounting method, device, equipment, medium and product |
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