A Classification Method of Line Losses Based on k-means Algorithm

Abstract

The present invention provides a kind of similar division method of line loss based on K-MEANS algorithm, by introducing the grid structure characteristics of each grid, equipment physical parameters, grid operation characteristics, power consumption structure characteristics, natural and social development conditions, etc. Factors, construct a comprehensive index system that affects line loss, and establish a mathematical model for each index, take each index value of each power grid as an N-dimensional vector, use the K-MEANS clustering algorithm to iteratively calculate the difference between the power grid indicators, and thus Dividing power grids with similar natural endowments of line loss into the same category is convenient for power grid companies to evaluate and compare the line loss rate levels of various power grids in the same category. The invention adopts the method of fully considering the basic characteristics of the power grid to divide the line losses into the same category, which ensures the objective rationality of the division results and provides strong theoretical support for the line loss management.

Description

technical field [0001] The invention belongs to the field of power grid line loss management and relates to a method for classifying line losses based on a K-MEANS algorithm. Background technique [0002] The line loss rate index is an important comprehensive technical and economic index for electric power enterprises. It reflects the planning and design, production technology and operation management level of a power network. The scope of line loss management runs through the power grid planning and design, equipment selection, dispatching and operation , technical transformation, measurement management, marketing management and other aspects. [0003] At present, the main basis for the line loss management of power grid enterprises is the statistical line loss and theoretical line loss results of the unit in the historical years. The impact of the amount of electricity and the implementation of grid infrastructure and technical transformation projects on grid line loss, o...

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Problems solved by technology

[0003] At present, the main basis for the line loss management of power grid enterprises is the statistical line loss and theoretical line loss results of the unit in the historical years. At the same time, the statistical caliber and changes in the power consumption structure, the impact of energy-saving power generation scheduling, the development of new energy The impact of the amount of electricity and the implementation of grid infrastructure and technical transformation projects on grid line loss, on the one hand, did not fully consider other factors affecting line loss such as grid structure, equipment status, and grid operation; There is no basis for comparison when comparing line loss rate indicators between high-level companies

In order to more objectively evaluate the level of line loss management, it is necessary to compare power grids with similar natural endowments, and there is no comparability between power grids with large differences in natural endowments

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