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GIS equipment state evaluation method based on support vector description and K-nearest neighbor algorithm

A K-nearest neighbor algorithm and support vector technology, which is applied in computing, complex mathematical operations, computer parts and other directions, and can solve problems such as inability to accurately evaluate equipment status, complex equipment structure, and blurred boundaries.

Active Publication Date: 2020-01-03
STATE GRID HEBEI ELECTRIC POWER RES INST +2
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Problems solved by technology

[0008] (1) Most of the existing equipment status evaluation methods are realized by using a single status feature. However, due to the complex structure of GIS equipment and changing operating status, it is impossible to accurately evaluate the status of equipment based on a single variable
[0009] (2) Existing state assessment methods are heavily dependent on equipment failure data, but due to the accidental nature of equipment failures, the collection of failures is blind to a certain extent, and the GIS equipment state characteristic data is very small, which makes the accuracy of equipment operation status relatively low. Low
[0010] (3) GIS operating status is changeable, and the boundaries between different operating states are blurred. How to realize the online evaluation of equipment operating status needs further research

Method used

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  • GIS equipment state evaluation method based on support vector description and K-nearest neighbor algorithm
  • GIS equipment state evaluation method based on support vector description and K-nearest neighbor algorithm
  • GIS equipment state evaluation method based on support vector description and K-nearest neighbor algorithm

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Embodiment Construction

[0066] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the application, its application or uses. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0067] In the following description, a lot of specific details are set forth in order to fully understand the application, but the application can also be implemented in other ways different from those described here, and those skilled in the art can do without violating the connotation of the application. ...

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Abstract

The invention discloses a GIS equipment state evaluation method based on support vector description and a K-nearest neighbor algorithm, and relates to the technical field of electrical equipment operation state evaluation. Based on a vibration signal of GIS equipment, normal state historical data of gas pressure and real-time measurement data, and in combination with support vector description anda K-nearest neighbor algorithm, an evaluation method for the operating state of the GIS equipment is formed; based on a vibration signal of GIS equipment, normal state historical data of gas pressureand real-time measurement data, and in combination with support vector description and a K-nearest neighbor algorithm, the evaluation method of the GIS equipment operation state is formed, and accurate evaluation of the GIS equipment state is realized.

Description

technical field [0001] The invention relates to the technical field of electrical equipment operating state evaluation, in particular to a GIS equipment state evaluation method based on support vector description and K nearest neighbor algorithm. Background technique [0002] At present, due to the advantages of compact structure, small footprint, reliable operation, long maintenance period, and strong anti-interference ability, GIS equipment is widely used in substation projects, especially 500kV and above EHV / UHV substations and urban 110kV and 220kV substations. With the increase in the installation of GIS equipment and the increase in the number of years in operation, failures of GIS equipment in operation often occur. The sealing of GIS equipment helps to isolate external interference, but it also brings difficulties to equipment fault detection and diagnosis. When a fault occurs inside the GIS device, the operation and maintenance personnel cannot intuitively and timel...

Claims

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Application Information

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IPC IPC(8): G06K9/62G06K9/00G06F17/14
CPCG06F17/14G06F2218/08G06F18/23G06F18/214
Inventor 梁博渊臧谦魏刚刘振侯倩邢超刘杰
Owner STATE GRID HEBEI ELECTRIC POWER RES INST