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Method, system and device for predicting the maximum load of summer power grid

A technology of maximum load, forecasting method, applied in the field of electric power engineering

Pending Publication Date: 2021-05-07
STATE GRID ENERGY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method, system and device for forecasting the maximum load of the power grid in summer, aiming at solving the problem of forecasting the maximum load of the power grid in summer

Method used

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  • Method, system and device for predicting the maximum load of summer power grid
  • Method, system and device for predicting the maximum load of summer power grid
  • Method, system and device for predicting the maximum load of summer power grid

Examples

Experimental program
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Effect test

Embodiment 1

[0078] According to an embodiment of the present invention, a summer power grid maximum load forecasting system is provided, figure 2 It is a schematic diagram of a summer power grid maximum load forecasting system module according to an embodiment of the present invention, such as figure 2 shown, including:

[0079] Cooling load module 10: used to calculate the d-day cooling load of the power grid last summer according to the spring and autumn base load method;

[0080] The cooling load module 10 specifically includes,

[0081] Calculate the average load data of last spring to obtain the base load of last spring, and calculate the average load data of last autumn to obtain the autumn base load of last autumn. According to the linear growth of the base load from spring to autumn, draw the abscissa as time and the ordinate as a linear function of load Figure, get the base load P on d day last summer dt ;

[0082] According to formula 1, the maximum daily load in last summ...

Embodiment 2

[0121] An embodiment of the present invention provides a summer power grid maximum load forecasting device, such as image 3 As shown, it includes: a memory 30, a processor 32, and a computer program stored in the memory 30 and operable on the processor 32. When the computer program is executed by the processor, the steps in the above method embodiments are implemented.

Embodiment 3

[0123] An embodiment of the present invention provides a computer-readable storage medium, on which a program for realizing information transmission is stored, and when the program is executed by the processor 32, the steps in the foregoing method embodiments are implemented.

[0124] The computer-readable storage medium described in this embodiment includes but is not limited to: ROM, RAM, magnetic disk or optical disk, and the like.

[0125] Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Alternatively, they may be implemented in program code executable by a computing device so that they may be stored in a storage device to be executed by a computing device, and in some cases in an order different from that shown here The s...

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Abstract

The invention discloses a method, a system and a device for predicting the maximum load of a summer power grid. The method comprises the following steps: calculating the d-day cooling load of the summer power grid in the last year; performing weighted calculation on the last-year maximum load and the last-year maximum air temperature to obtain the last-year summer d-day power grid electric power corrected maximum air temperature; performing scatter diagram linear function fitting on the d-day cooling load of the power grid in the last summer and the corrected highest temperature of the power grid in the last summer according to the d-day cooling load of the power grid in the last summer and the corrected highest temperature of the power grid in the last summer to obtain a linear function of the influence of the unit temperature change in the last summer on the cooling load; obtaining and substituting the predicted highest air temperature of the summer into a linear function, and obtaining the predicted cooling load of the summer d days; calculating basic load data of a predicted power grid in summer d days; and establishing a summer power grid maximum load prediction model according to the cooling load predicted in the summer d days and the basic load data of the power grid predicted in the summer d days. According to the invention, the problem of summer maximum load prediction is solved.

Description

technical field [0001] The invention relates to the technical field of electric power engineering, in particular to a method, system and device for predicting the maximum load of a power grid in summer. Background technique [0002] In recent years, the cooling load is the main driving force for the continuous increase of the grid load during summer peak hours. Quantitatively calculating the cooling load scale, analyzing its correlation with temperature, and carrying out maximum load forecasting are of great significance for ensuring the safe operation of the power grid and scientifically judging the supply and demand situation. With the continuous improvement of the statistical quality of electric power data and the deepening of the cooperation between the power department and the meteorological department, it is possible to quantitatively study the correlation between climate temperature and cooling load, and it also lays a solid foundation for scientifically and accuratel...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y04S10/50Y02E40/70
Inventor 李江涛刘青单葆国谭显东冀星沛张成龙刘小聪吴鹏吴姗姗段金辉徐朝张春成翁玉艳姚力贾跃龙张煜
Owner STATE GRID ENERGY RES INST
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