CN-115759775-B - NCFI carbon emission responsibility allocation method and device considering fairness

CN115759775BCN 115759775 BCN115759775 BCN 115759775BCN-115759775-B

Abstract

The invention discloses a NCFI carbon emission responsibility allocation method, a NCFI carbon emission responsibility allocation device, an electronic device and a readable storage medium, which consider fairness. The allocation device comprises a power flow distribution acquisition module, an original allocation result acquisition module, an allocation fairness interval acquisition module, an original satisfaction acquisition module and a satisfaction optimization adjustment module. The satisfaction optimization adjustment module comprises an original satisfaction calculation module, a first satisfaction optimization adjustment module and a second satisfaction optimization adjustment module. According to the invention, on one hand, the historical emission responsibility of the load nodes and the individual development opportunities can be better related to the carbon emission responsibility of the nodes, on the premise of not changing the total responsibility allocation amount, fairness is considered, the phenomenon of fairness deficiency of an allocation scheme is avoided, on the other hand, the responsibility allocation amount of most load nodes is reduced on the basis of reasonable and feasible allocation results, effective data support is provided for the establishment of an enterprise carbon reduction strategy, and the method has important significance for economic coordinated development.

Inventors

WANG YU
WANG KUI
HUANG JING
XU JING
XU CHENGUAN
WAN CHANGYING
WANG ZHENYU
HUO XIANXU
LIU JIYAN
ZHANG HAIJING
LIANG BO
SUN ZHUOXIN
SUN XIAOBIN
XU CHAOYANG

Assignees

国网电力科学研究院有限公司
国网电力科学研究院武汉能效测评有限公司
国网天津市电力公司
国网山东省电力公司

Dates

Publication Date: 20260505
Application Date: 20221122

Claims (9)

1. The NCFI carbon emission responsibility allocation method considering fairness is characterized by comprising the following steps of: Carrying out power flow calculation of a power system by adopting a power distribution network simulation platform, quantitatively evaluating the power flow distribution condition of the system, and obtaining the power flow distribution condition, wherein NCFI is node carbon footprint intensity; According to the tide distribution condition, a system carbon flow relation calculation model is established, a system carbon flow relation is obtained based on the calculation model, a system node carbon footprint intensity calculation model is further established, and an original carbon emission responsibility allocation result of each load node is obtained through calculation; Respectively constructing carbon emission responsibility allocation results of all load nodes based on a history responsibility principle and an individual equal development principle, and determining the upper limit and the lower limit of a carbon emission responsibility allocation fairness interval of the corresponding node according to the carbon emission responsibility allocation results; constructing a scheme fairness calculation model of each load node according to the upper limit and the lower limit of the carbon emission responsibility allocation fairness interval of the corresponding node and the original carbon emission responsibility allocation result of each load node, and obtaining corresponding original satisfaction and satisfaction standard deviation; The steps of obtaining the upper limit and the lower limit of the carbon black responsibility allocation fairness interval are as follows: step C1, analyzing from the perspective of historical responsibility, and calculating the carbon emission responsibility allocation quantity of the node i under the principle of the historical responsibility: (2a) the method comprises the steps of (1) under a historical responsibility principle, C ih is the carbon emission responsibility allocation quantity of a node i, C it is the sum of the carbon emission responsibility quantity to be allocated by each load node under the historical responsibility principle, and HC ie is the historical carbon emission quantity of the load node i under the historical responsibility principle; under the principle of historical responsibility, the total number of load nodes participating in the allocation; step C2, calculating the carbon emission responsibility allocation amount of the node i under the principle of individual equal development from the aspect of individual equal development: (2b) The method comprises the steps of calculating a demand forecast value of a load node i in a period under the individual equal development principle, wherein C ip is the carbon emission responsibility amount distributed by the load node i under the individual equal development principle, P i is the demand forecast value of the load node i in the period under the individual equal development principle, and C iw is the total amount of carbon emission responsibility to be distributed in the future under the individual equal development principle; Under the principle of individual equal development, the total number of load nodes participated in the allocation; step C3, determining the upper limit and the lower limit of a carbon allocation responsibility allocation fairness interval of the load node i: (2c) (2d) Wherein, C iu is the upper limit of the carbon emission responsibility allocation of the load node i, and C id is the lower limit of the carbon emission responsibility allocation of the load node i; And carrying out satisfaction optimization adjustment on the original satisfaction and the standard deviation of the satisfaction based on the scheme public degree calculation model and the principle that the total amount of the original carbon emission responsibility allocation result is unchanged.
2. A NCFI carbon emission liability allocation method in view of fairness according to claim 1, wherein the step of obtaining said trend distribution is as follows: A1, analyzing a given system topology structure network diagram; A2, collecting basic parameters required by load flow calculation of a construction system based on the system topology structure network diagram; a3, carrying out modeling simulation calculation of the power system in a simulation platform according to the collected basic parameters; And step A4, determining the system power flow distribution condition based on the power flow result calculated by the simulation platform.
3. A fairness-considered NCFI carbon emission liability allocation method in accordance with claim 1, wherein the step of obtaining said original carbon emission liability allocation result is as follows: step B1, establishing a system carbon flow relation calculation model according to the tide distribution condition: (1a) (1b) Wherein, the A total carbon flow vector for the node flow; For the system, considering a countercurrent distribution matrix of network loss, C fG is a column vector of carbon flow injection of each power generation node, wherein the corresponding element of a non-power generation node is 0;P mn which is the active power of the head end of a node n inflow branch mn; A wire inlet set for the node m; Step B2, based on the calculated system carbon flow relation, further constructing a system node carbon footprint intensity calculation model, and calculating to obtain an original carbon emission responsibility allocation result of each load node: (1c) (1d) Wherein F is a vector of the system carbon trace intensity, P n is the sum of the node inflow power and the node outflow power, x i is the original carbon emission responsibility allocation quantity of the load node i, P Di is the active power consumption quantity of the load node i, and F f(i) is the carbon trace intensity value of the node where the load node i is located.
4. A NCFI carbon emission liability allocation method in view of fairness according to claim 1, wherein the functional expression of the scheme fairness calculation model is as follows: (3a) (3b) Wherein: C i is the carbon emission responsibility amortization amount of the load node i; and N is the number of load nodes.
5. A NCFI carbon emission liability allocation method in view of fairness according to claim 4, wherein said step of satisfaction optimization adjustment is: E1, calculating original satisfaction and original satisfaction standard deviation of each load node based on NCFI carbon emission responsibility allocation method through a function of a scheme fairness calculation model, and sequencing the original satisfaction of each load node from small to large; E2, selecting the member with the lowest original satisfaction, analyzing the reason and readjusting the satisfaction to 0.5, obtaining the allocated quantity of the member after one-time adjustment according to the function of the scheme fairness calculation model, and then readjusting the satisfaction of the rest load nodes to 0.5 in sequence from small to large, and obtaining the allocated quantity of the load nodes; and E3, calculating to obtain a corresponding carbon emission responsibility allocation result based on the principle that the total amount of the original carbon emission responsibility allocation result is unchanged by the member with the highest ranking of the original satisfaction, and then re-adjusting the satisfaction to obtain the standard deviation of the satisfaction of each load node after one adjustment.
6. NCFI carbon emission liability allocation device considering fairness, which is characterized by comprising: A power flow distribution acquisition module for carrying out power flow calculation of the power system based on the power distribution network simulation platform, quantitatively evaluating the trend distribution condition of the system to obtain the trend distribution condition, wherein NCFI is node carbon footprint intensity; The original apportionment result acquisition module is used for establishing a system carbon flow relation calculation model according to the tide distribution condition, further establishing a system node carbon footprint intensity calculation model based on the system carbon flow relation obtained by the calculation model, and calculating to obtain an original carbon emission responsibility apportionment result of each load node; The allocation fairness interval acquisition module is used for respectively constructing carbon emission responsibility allocation amounts of all load nodes based on a historical responsibility principle and an individual equal development principle, and determining the upper limit and the lower limit of a carbon emission responsibility allocation fairness interval of a corresponding node according to the carbon emission responsibility allocation result; The original satisfaction obtaining module is used for constructing a scheme fairness calculation model of each load node according to the upper limit and the lower limit of the carbon emission responsibility allocation fairness interval of the corresponding node and the original carbon emission responsibility allocation result of each load node, and obtaining corresponding original satisfaction and satisfaction standard deviation; and the satisfaction optimization adjustment module is used for carrying out satisfaction optimization adjustment on the original satisfaction and the standard deviation of the satisfaction based on the scheme public flatness calculation model and the principle that the total amount of the original carbon emission responsibility allocation result is unchanged.
7. A fairness-considered NCFI carbon emission liability allocation device in accordance with claim 6, wherein said satisfaction optimization adjustment module comprises: the original satisfaction calculation module is used for calculating the original satisfaction and the standard deviation of the original satisfaction of each load node based on the NCFI carbon emission responsibility allocation method through the function of the scheme fairness calculation model, and sequencing the original satisfaction of each load node from small to large; The first satisfaction optimization adjustment module is used for selecting the member with the lowest original satisfaction, analyzing the reason and readjusting the satisfaction to 0.5, obtaining the once-adjusted allocation of the member according to the function of the scheme fairness calculation model, then readjusting the satisfaction of each remaining load node to 0.5 according to the sequence from small to large, and obtaining the allocation of each load node; And the second satisfaction optimization adjustment module is used for calculating the corresponding carbon emission responsibility allocation result of the member with the highest original satisfaction ranking based on the principle that the total amount of the original carbon emission responsibility allocation result is unchanged, and then re-adjusting the satisfaction of the member and obtaining the satisfaction standard deviation of each load node after one time adjustment.
8. An electronic device, comprising: One or more processors; A memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement a fairness-considered NCFI carbon emission liability allocation method in accordance with any of claims 1 to 5.
9. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of a fairness-considered method for allocating NCFI carbon emission responsibilities as defined in any one of claims 1 to 5.

Description

NCFI carbon emission responsibility allocation method and device considering fairness Technical Field The invention belongs to the field of carbon emission reduction of electric power systems, and particularly relates to a NCFI carbon emission responsibility allocation method and device considering fairness. Technical Field In recent years, more and more students worldwide throw into the carbon-related field, and a plurality of low-carbon development keywords such as carbon quota, carbon allocation, carbon trade and carbon market and the related research fields are derived and rapidly developed. The electric power industry is taken as an important energy department in China, the carbon emission amount is always high, the division of carbon emission responsibility is particularly important in order to ensure the smooth realization of the carbon emission reduction target of an electric power system, and the key word of carbon emission responsibility allocation is derived. The carbon emission responsibility allocation refers to calculating the carbon emission intensity of each node according to a carbon flow theory on the basis of carrying out statistics and analysis on the carbon emission quantity of the power generation side, the power grid side and the load side of the power system, and finally, adopting a proper allocation method to divide the emission responsibility born by each node. Greenhouse gas emissions are a major cause of global warming. The rational division of carbon emission responsibilities is an important basis for achieving the above objectives. The power industry is used as a main fossil energy consumption and carbon emission department, realizes reasonable allocation of carbon emission responsibility of a power system, is favorable for accurately judging key emission reduction areas, promotes power production and transmission scheduling capacity by a production end and a transportation end, enhances economy consciousness and reasonable electric energy consumption capacity of a consumption end, and has important significance for promoting carbon emission reduction cooperation and economic coordinated development among all areas. The traditional methods including a macroscopic statistical method, a full life cycle and the like only consider the emission responsibility of the power generation side due to neglecting the network structure and the transmission characteristic of the power system, neglecting the responsibility of the network and the load side for apportioning, failing to realize the fair distribution of the carbon emission responsibility, and increasing the implementation difficulty of the energy-saving and emission-reduction policy. Therefore, in the process of analyzing the carbon emission responsibility of the computing system, the visual angle is put on the power load side, and the carbon emission change trend of the load node is accurately identified by combining the historical emission responsibility of the load node and the influence factors of individual development opportunities, so that the public degree of a responsibility allocation scheme can be practically improved, the development requirement of the industry is met, and the development of the low-carbon level of the industry is facilitated. Disclosure of Invention The invention aims to provide a NCFI carbon emission responsibility allocation method and a NCFI carbon emission responsibility allocation device considering fairness, wherein NCFI is named as Node carbon footprint intensity, the problem that fairness of an allocation scheme is not considered in the traditional NCFI carbon emission responsibility allocation method is solved, historical emission responsibility of a node and a future individual development machine are innovatively combined with current allocation results, fairness loss caused by neglecting time factors in the prior art of allocating carbon emission responsibility is effectively avoided, responsibility transfer and an opaque intermediate process caused by allocation of a power generation side are singly considered, the characteristics of a power system lossy network are fully exerted, the fairness of the allocation scheme is remarkably improved, and sufficient decision space is provided for decision makers. In order to achieve the object, the invention provides a NCFI carbon emission responsibility allocation method considering fairness, which comprises the following steps: Carrying out power flow calculation of a power system by adopting a power distribution network simulation platform, quantitatively evaluating the power flow distribution condition of the system, and obtaining the power flow distribution condition; According to the tide distribution condition, a system carbon flow relation calculation model is established, a system carbon flow relation is obtained based on the calculation model, a system node carbon trace intensity calculation model is further established, and an original c