Main transformer load influence factor analysis model construction method

Abstract

The invention discloses a main transformer load influence factor analysis model construction method. The method is characterized by comprising the following steps: collecting and comprehensively analyzing data information related to main transformer load characteristics, and constructing a main transformer load influence factor evaluation database; establishing a main transformer load influence factor evaluation model xi1 considering typical time, a main transformer load influence factor evaluation model xi2 considering a power grid topological structure, a main transformer load influence factor evaluation model xi3 considering a power-cut plan, a main transformer load influence factor evaluation model xi4 considering main transformer parameters and a main transformer load influence factor evaluation model xi5 considering meteorological information; and finally, constructing a comprehensive main transformer load influence factor analysis model. According to the invention, the main transformer load influence factors are comprehensively considered, and the corresponding model is constructed, so that the main transformer load prediction precision is greatly improved, the influence that the input variable does not completely cover the data characteristics on the main transformer load prediction precision is avoided, and the precision of the main transformer load prediction model obtained through training is improved.

Description

technical field [0001] The invention relates to the technical field of power equipment monitoring and analysis, in particular to a method for constructing an analysis model of main transformer load influencing factors. Background technique [0002] With the rapid development of the economy, the demand for electricity continues to increase, and the electricity load of the power grid is also increasing year by year; in peak periods of electricity consumption or in harsh environments, sudden equipment failures often occur, resulting in power outages, which in turn affect the The reliability of power supply has a negative impact on the satisfaction of the majority of residents with electricity. In particular, transformers, as core electrical equipment, are of great significance to the economical transmission, flexible distribution, safety and stability of electric energy. According to the statistics of historical failure causes of the main transformer, the main causes of equipm...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: to provide a method for constructing an analysis model of the main transformer load influencing factors, so as to solve the problem that the existing main transformer load prediction in the prior art fails to fully consider the influence of the factors affected by the main transformer. A small number of fixed input variables such as the nature of power consumption and time characteristics of power consumption, lack of an analysis model for factors affecting the main transformer load. Comprehensive main transformer load forecasting input variables to improve the accuracy of main transformer load forecasting, resulting in the accuracy of main transformer load forecasting being affected by input variables that do not fully cover the data The impact of features, the low accuracy of the main transformer load forecasting model obtained through training, etc.