System and method for detecting and evaluating running state of intelligent electric energy meter

Abstract

The invention provides a system and method for detecting and evaluating the running state of an intelligent electric energy meter, wherein the method comprises the steps: S1, obtaining a plurality of error state data of the intelligent electric energy meter, and recording the data as the historical data of the intelligent electric energy meter; S2, performing quantization processing and normalization processing on the multiple pieces of error state data in sequence; S3, performing normalization evaluation weighting on the normalized data, performing state evaluation according to a preset threshold value, and recording an evaluation result as performance degradation data; S4, performing data preprocessing on the performance degradation data and the historical data of the intelligent electric energy meter to obtain training data; S5, establishing a detection and evaluation model, and performing model training by using the training data to obtain an optimal detection and evaluation model; and S6, substituting the error state data of the to-be-detected intelligent electric energy meter into the optimal detection and evaluation model, and thus obtaining an operation state detection and evaluation result of the to-be-detected intelligent electric energy meter. According to the method, the running state and performance degradation failure prediction of the intelligent electric energy meter can be scientifically evaluated.

Description

【Technical field】 [0001] The invention relates to the technical field of detection and evaluation of smart electric energy meters, in particular to a system and method for detecting and evaluating the operating state of an intelligent electric energy meter. 【Background technique】 [0002] With the continuous advancement of the power marketization process, the electric energy metering device has become an indispensable basic equipment in the technical support system of the electric power market. And reliability put forward higher and higher requirements. The on-line monitoring system of the state of the electric energy metering device effectively guarantees the accuracy and reliability of the electricity transaction between the power generation, power supply, and power consumption units. Especially with the gradual improvement of the reform of the power enterprise system, the assessment of economic benefits is becoming more and more important. In order to ensure the accuracy...

AI Technical Summary

Problems solved by technology

[0004] 1) The effect of periodic inspection is not ideal, and the problem of electric energy measurement outside the inspection time cannot be found in time;

[0005] 2) The fault handling cycle is long;

[0006] 3) For the maintenance strategy of electrical equipment, regular maintenance based on time is mainly adopted, which will cause the cost of "over-maintenance" and "under-maintenance" and lead to a decrease in the reliability of the device;

[0007] 4) There are many risk factors in the periodic verification of electric energy meters, and the risk is great;

[0008] 5) The efficiency of file management is low, and the workload of recording and sorting with paper documents or text files is heavy; the sharing is poor; and it is inconvenient to consult

Domestic research on electric energy metering mainly focuses on the communication transmission and processing of metering data, and less attention is paid to the operating status of metering devices. The status inspection of metering devices is mainly realized by manual on-site periodic inspections, and there is no evaluation method for the operating status of electric energy metering devices. with the system

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