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Power grid fault tracking method based on data mining technology

A power grid fault and data mining technology, applied in data processing applications, instruments, character and pattern recognition, etc., can solve problems such as lack of solutions, and achieve the effect of saving time and avoiding accumulation

Inactive Publication Date: 2017-08-04
STATE GRID OF CHINA TECH COLLEGE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] To sum up, in the prior art, there is still a lack of an effective solution to the problem of how to extract data that can be used by fault tracking algorithms from massive in-site data

Method used

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  • Power grid fault tracking method based on data mining technology
  • Power grid fault tracking method based on data mining technology
  • Power grid fault tracking method based on data mining technology

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Embodiment Construction

[0039] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0040] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0041] Explanation of terms: Data mining refers to the extraction of useful and interesting knowledge from large...

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Abstract

The invention discloses a power grid fault tracking method based on data mining technology. The method includes taking various types of data acquisition systems of an intelligent substation as an original data source; selecting a decision tree to classify the information in the station, and providing decision support for the fault tracking program on a dispatching side; classifying the data filtered by the decision tree according to the supervision model into three classes: protection rejection signals, signal channel fault signals, and breaker rejection signals; and after the classification algorithm of the decision tree on the training samples is completed, predicting the data set in the unknown class, and corresponding to the power grid fault tracking process, namely, analyzing the various kinds of data of the transformer station layer to give the protection or breaker rejection reasons. The power grid fault tracking method can monitor the other data of the lower transformer station layer at the dispatching center, for example, the general level and forecasting level alarm data, can determine the condition of protection and breaker rejection according to the data, timely know the condition of the power system, and saves time for the power grid fault self-healing.

Description

technical field [0001] The invention relates to the technical field of grid faults, in particular to a grid fault tracking method based on data mining technology. Background technique [0002] Judging from the current research results of fault diagnosis algorithms, the analysis of faulty components will be very accurate under the premise that both the protection and the circuit breaker operate correctly. However, when the protection or circuit breaker refuses to operate, many diagnostic algorithms only judge that there is a failure to operate based on the action of the remote backup, and cannot deduce whether it is the protection or the circuit breaker that refuses to operate, let alone the failure to operate. Cause fault tracing. [0003] The meaning of power grid fault tracking in the present invention means that after the dispatching terminal invokes the fault diagnosis algorithm for the collected alarm information, it is found that there are incorrect actions of circuit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06K9/62
CPCG06Q10/0639G06Q50/06G06F18/24323
Inventor 王磊马志广吴德军王仕韬商玲玲赵军伟
Owner STATE GRID OF CHINA TECH COLLEGE
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