Accumulated statistic line loss rate-based power grid component loss abnormality judgment method

Abstract

The invention aims to solve the problem existing in existing power grid component loss abnormality judgment, and provides a power grid component loss abnormality judgment method. The judgment method comprises the steps of selecting an actual measurement date to test the line loss rate of a power grid component; calculating a statistic line loss rate and a theoretical line loss rate, selected on the actual measurement date, of the power grid component, and acquiring a difference value between the statistic line loss rate and the theoretical line loss rate; and setting a loss abnormality threshold value K of the power grid component, considering the loss of the selected power grid component to be normal when the absolute value of the difference value between the statistic line loss rate and the theoretical line loss rate is smaller than K, otherwise considering the loss of the selected power grid component to be abnormal. A traditional judgment method according to the fluctuation condition of the statistic line loss rate at the end of a month and an empirical value is abandoned, the defect of a management lag is avoided, the problem that a traditional method for judgment on loss abnormality of the power grid component based on the empirical value is not suitable for the line loss fine management requirement is solved, and the judgment method has relatively high economy and practical value.

Description

[0001] The filing date of this case is September 12, 2014, the application number is 201410460609.7, and the title of the invention is a divisional application of a method for judging abnormal loss of power grid components. technical field [0002] The present invention relates to the technical field of electric power systems, in particular, to a method for judging abnormal loss of power grid components, especially by comparing the theoretical line loss rate with the statistical line loss rate on a representative day, and judging whether the power grid component loss is abnormal according to the difference method. Background technique [0003] Line loss is the lifeblood of a power supply company, reflecting the effectiveness of a company's technology, management and other aspects of work. In the analysis of statistical line loss, power supply enterprises are often affected by factors such as large fluctuations in line loss rate and many abnormal values ​​of line loss rate....

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems existing in the abnormal judgment of the loss of the existing power grid components, the present invention provides a method for judging the abnormal loss of the power grid components, especially by comparing the actual measured daily theoretical line loss rate with the statistical line loss rate, and judging the power grid component loss according to the difference How to judge whether it is abnormal

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