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Current transformer unbalance degree alarm method based on multi-source data fusion

A current transformer and multi-source data technology, applied in the direction of instruments, measuring electrical variables, measuring devices, etc., can solve the problems of providing support, lack of multi-source data fusion, using power grid current transformer alarm analysis methods, and assisting decision-making, etc., to achieve The effect of improving accuracy

Active Publication Date: 2020-03-27
福建和盛高科技产业有限公司
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Problems solved by technology

[0002] Since the power grid company’s online monitoring business system for substation equipment has been fully established, it has accumulated more than ten years of professional substation operation data and the environment and online monitoring of the location of the grid equipment. There are still deficiencies in the means of transformer alarm analysis, and it cannot provide support for alarm analysis of power grid equipment status, auxiliary decision-making of production management, etc.

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  • Current transformer unbalance degree alarm method based on multi-source data fusion
  • Current transformer unbalance degree alarm method based on multi-source data fusion
  • Current transformer unbalance degree alarm method based on multi-source data fusion

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0042] 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.

[0043] 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 combinatio...

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Abstract

The invention relates to a current transformer unbalance degree alarm method based on multi-source data fusion. The data acquisition layer acquires online monitoring data, operation data, basic standing book data and environment data of the current transformer through RocketMQ; the data processing layer adopts a memory computing framework to format the obtained structured data, unstructured data and historical monitoring data to obtain formatted data, corrects various types of data according to the data influence factors to remove invalid data, preprocesses the massive historical monitoring data according to an isolated forest algorithm to remove abnormal point data, calculates standard variances, and finally, calculates the unbalance degree of each monitoring parameter according to the historical monitoring data and the reference value; and the application layer analyzes the unbalance degree and the unbalance degree alarm factor coefficient to obtain a current transformer unbalance degree alarm analysis result. According to the invention, the accuracy of current transformer operation state analysis can be improved.

Description

technical field [0001] The invention relates to the technical field of electric power safety, in particular to a current transformer unbalance alarm method based on multi-source data fusion. Background technique [0002] Since the power grid company’s online monitoring business system for substation equipment has been fully established, it has accumulated more than ten years of professional substation operation data and the environment and online monitoring of the location of the grid equipment. There are still deficiencies in the means of transformer alarm analysis, and it cannot provide support for alarm analysis of power grid equipment status and auxiliary decision-making of production management. At present, the online monitoring technology for current transformer equipment is relatively mature, and the data is accurate and effective. It can make full use of the accumulated massive multi-source data of current transformers, effectively carry out unbalance alarm analysis ...

Claims

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Application Information

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IPC IPC(8): G06K9/62G01R35/02
CPCG01R35/02G06F18/2433G06F18/25
Inventor 郑作霖陈太陈亮齐瑞林捷
Owner 福建和盛高科技产业有限公司
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