CN-121981423-A - Operation control method, device, equipment and medium of power distribution network

CN121981423ACN 121981423 ACN121981423 ACN 121981423ACN-121981423-A

Abstract

The embodiment of the application provides an operation control method, device, equipment and medium of a power distribution network. The method comprises the steps of obtaining historical operation data of a power distribution network, wherein the historical operation data comprise historical carbon emission data and basic operation data of the power distribution network, determining carbon emission correction factors of the power distribution network based on the historical carbon emission data and the basic operation data, determining a carbon emission prediction model corresponding to the power distribution network based on the carbon emission correction factors, constructing an operation optimization model corresponding to the power distribution network based on the carbon emission prediction model, carrying out multi-objective solution on the operation optimization model, and determining a carbon emission regulation strategy of the power distribution network based on a solution result so as to optimize carbon emission of the power distribution network based on the carbon emission regulation strategy. The method is used for optimizing the operation of the power distribution network from multiple dimensions, effectively reducing the carbon emission of the power distribution network, and realizing the effect of more scientific and efficient low-carbon management.

Inventors

LUO YUANPING
QIU QIANWEI
YANG JIAYANG
LI RONG
YANG SHUO
XIE SHENG
LIN WEIFENG
TAO YE
SUN SHITAI
Cai Ronghong
Zheng Zeju
CHEN JIANGHONG
XIE YUBIN

Assignees

广东电网有限责任公司揭阳供电局

Dates

Publication Date: 20260505
Application Date: 20251205

Claims (10)

1. An operation control method of a power distribution network, comprising: Acquiring historical operation data of a power distribution network, wherein the historical operation data comprises historical carbon emission data and basic operation data of the power distribution network; determining a carbon emission correction factor for the power distribution network based on the historical carbon emission data and the base operational data; Determining a carbon emission prediction model corresponding to the power distribution network based on the carbon emission correction factor, and constructing an operation optimization model corresponding to the power distribution network based on the carbon emission prediction model; And carrying out multi-objective solving on the operation optimization model, and determining a carbon emission regulation strategy of the power distribution network based on a solving result so as to optimize the carbon emission of the power distribution network based on the carbon emission regulation strategy.
2. The method of claim 1, wherein the determining the carbon emission prediction model for the power distribution network based on the carbon emission correction factor comprises: Determining historical carbon emission basic data of the power distribution network based on the historical operation data, and constructing a reference carbon emission prediction sequence; performing space-time alignment and fusion processing on the time sequence data of the carbon emission correction factors and the reference carbon emission prediction sequence to generate a training sample set; Model training is carried out based on the training sample set so as to obtain a carbon emission prediction model based on a training result, wherein the carbon emission preliminary prediction model is used for representing a nonlinear mapping relation among the reference carbon emission prediction sequence, the carbon emission correction factor and the actual carbon emission.
3. The method according to claim 1 or 2, wherein the constructing an operation optimization model corresponding to the power distribution network based on the carbon emission prediction model includes: Determining a topology model corresponding to the power distribution network, wherein the topology model is used for describing the connection relation between the power distribution network nodes; determining a set of operational constraints for the operational optimization model based on the topology model; And determining an operation optimization model corresponding to the power distribution network based on the operation constraint condition set, the carbon emission prediction model and a multi-objective optimization function.
4. The method of claim 3, wherein the determining an operational optimization model corresponding to the power distribution network based on the set of operational constraints, the carbon emission prediction model, and a multi-objective optimization function comprises: constructing an initial operation optimization model of the power distribution network based on the operation constraint condition set and the multi-objective optimization function; taking the output of the carbon emission prediction model as the boundary condition of the initial operation optimization model to obtain an integrated operation optimization model; and carrying out resolvable processing on the integrated operation optimization model, and determining the operation optimization model of the power distribution network based on an optimal solution.
5. The method of claim 3, wherein the performing a multi-objective solution to the operational optimization model and determining a carbon emission control strategy for the power distribution network based on the solution results comprises: determining state parameters corresponding to the power distribution network, and determining a weighting strategy corresponding to the state parameters; Constructing a multi-objective optimization function based on the weighting strategy to obtain a weighted comprehensive objective function; solving the weighted comprehensive objective function to obtain an operation control instruction set corresponding to the power distribution network based on a solving result; And determining a carbon emission regulation strategy of the power distribution network based on the operation control instruction set, wherein the carbon emission regulation strategy comprises a priority scheduling sequence of a distributed power supply, charge and discharge parameters of an energy storage system and start-stop time of an adjustable load.
6. The method of claim 5, wherein the method further comprises: acquiring real-time operation parameters of the power distribution network, wherein the real-time operation parameters comprise real-time distributed power supply operation parameters, real-time energy storage system operation parameters and real-time adjustable load operation parameters; Adjusting the weighting strategy based on the real-time operation parameters to obtain an updated weighting strategy; And redetermining a carbon emission regulation strategy of the power distribution network based on the updated weighting strategy.
7. The method of claim 5, wherein the multi-objective solution to the operational optimization model and determining the carbon emission control strategy of the power distribution network based on the solution result further comprises: encoding operation parameters of the power distribution network into particle positions, wherein the operation parameters comprise distributed generator output, charging and discharging power of an energy storage system and adjustable load switch states; determining an objective function value of each particle of the operation optimization model corresponding to an operation scheme based on the particle position, and determining a global optimal solution set based on the objective function value; Determining a carbon emission regulation strategy corresponding to the global optimal solution, and inputting the carbon emission regulation strategy into a power distribution network tide calculation model for safety verification; and if the safety verification is passed, outputting the carbon emission regulation strategy to a power distribution network energy management system so as to execute daily planning or real-time scheduling based on the carbon emission regulation strategy, and recording the actual execution effect so as to feedback and correct the operation optimization model.
8. An operation control device for a power distribution network, comprising: the acquisition module is used for acquiring historical operation data of the power distribution network, wherein the historical operation data comprises historical carbon emission data and basic operation data of the power distribution network; a correction module for determining a carbon emission correction factor for the power distribution network based on the historical carbon emission data and the base operational data; The prediction module is used for determining a carbon emission prediction model corresponding to the power distribution network based on the carbon emission correction factors and constructing an operation optimization model corresponding to the power distribution network based on the carbon emission prediction model; and the regulation and control module is used for carrying out multi-objective solution on the operation optimization model, and determining a carbon emission regulation and control strategy of the power distribution network based on a solution result so as to optimize the carbon emission of the power distribution network based on the carbon emission regulation and control strategy.
9. An electronic device is characterized by comprising a memory and a processor; the memory stores computer-executable instructions; The processor executing computer-executable instructions stored in the memory, causing the processor to perform the method of any one of claims 1 to 7.
10. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1 to 7.

Description

Operation control method, device, equipment and medium of power distribution network Technical Field The present application relates to the field of carbon emission management technologies, and in particular, to an operation control method, apparatus, device, and medium for a power distribution network. Background The energy and power industry is a core source of carbon emission, the carbon emission amount of the energy and power industry is more than 40% of the total national emission amount, the power distribution network is used as a key pivot for cooperative interaction of power system source network and load storage, the power generation side and the user side are directly connected, and the low-carbon transformation of the operation mode of the energy and power system has an irreplaceable effect on realizing the carbon emission reduction target of the whole industry. The low-voltage distribution network is used as a terminal link of the distribution network, and has wide coverage, complex user types and close social connection. The carbon emission mainly originates from direct emission of traditional fossil energy power generation access and indirect carbon emission generated by high line loss rate due to the characteristics of the direct emission, meanwhile, the distributed renewable energy source large-scale infiltration occurs in a diversified interaction main body such as an electric automobile and the like, so that the operation characteristics of the power distribution network are converted into a complex active power distribution network with source-load interaction, a new carbon emission reduction path is brought, operation regulation and control challenges are also put forward, and carbon emission reduction potential is excavated to be a development core problem. In the related art, the low-voltage power distribution network operation regulation and control method mostly takes network loss minimization or power supply cost minimization as a core target, carbon emission constraint is usually ignored, so that part of regulation and control strategies can reduce short-term economic cost, but the whole carbon emission is possibly aggravated due to excessive dependence on fossil energy power generation or unreasonable energy scheduling, and the practicability of the regulation and control strategies is insufficient. Disclosure of Invention The embodiment of the application provides a method, a device, equipment and a medium for controlling operation of a power distribution network, and a computer program product, which are used for optimizing the operation of the power distribution network from multiple dimensions, effectively reducing the carbon emission of the power distribution network and realizing the effect of more scientific and efficient low-carbon management. In a first aspect, an embodiment of the present application provides an operation control method for a power distribution network, including obtaining historical operation data of the power distribution network, where the historical operation data includes historical carbon emission data and basic operation data of the power distribution network, determining a carbon emission correction factor of the power distribution network based on the historical carbon emission data and the basic operation data, determining a carbon emission prediction model corresponding to the power distribution network based on the carbon emission correction factor, constructing an operation optimization model corresponding to the power distribution network based on the carbon emission prediction model, performing multi-objective solution on the operation optimization model, and determining a carbon emission regulation strategy of the power distribution network based on a solution result, so as to optimize a carbon emission amount of the power distribution network based on the carbon emission regulation strategy. In one possible implementation manner, the carbon emission prediction model corresponding to the power distribution network is determined based on the carbon emission correction factors, and the method comprises the steps of determining historical carbon emission basic data of the power distribution network based on historical operation data, constructing a reference carbon emission prediction sequence, performing space-time alignment and fusion processing on time sequence data of the carbon emission correction factors and the reference carbon emission prediction sequence to generate a training sample set, performing model training based on the training sample set to obtain a carbon emission prediction model based on training results, wherein the carbon emission preliminary prediction model is used for representing a nonlinear mapping relation among the reference carbon emission prediction sequence, the carbon emission correction factors and real carbon emission. In one possible implementation manner, the construction of the operation optimization mo