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Electric energy measurement fault intelligent diagnostic method based on S-shaped curve function

A technology of electric energy measurement and curve function, which is applied in the direction of measuring electric variables, measuring devices, instruments, etc., and can solve the problems of staffing constraints, abnormal analysis of power consumption, and few

Active Publication Date: 2014-02-26
GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU
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  • Abstract
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Problems solved by technology

However, the staffing of power supply companies will become a bottleneck restricting the analysis of abnormal power consumption. After all, there are still not many technical backbones with rich industry experience, which is not enough to meet the needs of personnel who need to conduct empirical analysis on massive data.

Method used

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  • Electric energy measurement fault intelligent diagnostic method based on S-shaped curve function
  • Electric energy measurement fault intelligent diagnostic method based on S-shaped curve function
  • Electric energy measurement fault intelligent diagnostic method based on S-shaped curve function

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Embodiment Construction

[0081] like Figure 5 As shown, the intelligent diagnosis method of electric energy metering fault based on the S-curve function of the present invention comprises the following steps:

[0082] S1: Extract historical data of real-time load, daily electricity, terminal alarm, and master station alarm from the metering automation system

[0083] Specifically include the following sub-steps:

[0084] S1.1: Determine sample coverage

[0085] All relevant measurement data from December 31, 2009 to December 31, 2011;

[0086] S1.2: Determine the sample data range

[0087] When extracting sample data, it is necessary to include all large users with abnormal electricity consumption, including large-scale industrial electricity consumption, commercial electricity consumption, and urban residential electricity consumption. The data attributes collected from the electric energy metering automation system are mainly

[0088] Real-time load: time point, metering point, A / B / C phase act...

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Abstract

An electric energy measuring fault intelligent diagnostic method based on an S-shaped curve function comprises the following steps: S1: extracting historical data of real-time load, daily electric quantity, terminal alarm, and master station alarm from a measurement automation system; S2: extracting measurement fault evaluation indexes from the historical data; S3: establishing a training sample set based on the S-shaped curve function; S4: establishing a measurement fault diagnostic model; S5: performing intelligent diagnosis of measurement faults; and S6: optimizing parameters of the measurement fault diagnostic model, and reestablishing the measurement fault diagnostic model. The method is based on the electric energy measurement automation system, and can automatically make an intelligent diagnostic analysis of massive electric power data. A measurement fault diagnostic system can perform automatic adjustment and optimization of a model structure and parameters according to applied environment, the latest real data and system feedback, thereby achieving better diagnostic effects.

Description

technical field [0001] The invention relates to a method for intelligently diagnosing metering faults occurring in an electric energy metering automation system, in particular to an intelligent diagnosis method for electric energy metering faults based on an S-curve function. technical background [0002] With the rapid development of my country's market economy and the rapid increase in electricity consumption of enterprises, the complexity of power supply and the diversity of power consumption are becoming more and more prominent, and the abnormal phenomenon of power consumption is also frequently occurring in a more serious direction. The rapid development of science and technology enables power supply companies to provide high-quality power supply services to power users more efficiently. At the same time, abnormal power consumption behaviors are also more complex and hidden under the background of high technology, causing huge losses to the country and power supply compa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/04
Inventor 蓝敏骆华李朔宇李锡祺卢锡鸿曾耀英罗智青李飞伟
Owner GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU
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