A method for predicting the corrosion rate grade of grounding grid

A corrosion rate and grounding grid technology, applied in the field of grade prediction, can solve the problems that the prediction method is not easy to implement and the accuracy of the grade prediction of the corrosion rate of the grounding grid is not high.

Inactive Publication Date: 2018-10-30
XIAN UNIV OF SCI & TECH
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Problems solved by technology

[0005] The embodiment of the present invention provides a method for predicting the corrosion rate level of the grounding grid, which is used to solve the problems in the prior art that the prediction accuracy of the corrosion rate level of the grounding grid is not high and the prediction method is not easy to implement

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  • A method for predicting the corrosion rate grade of grounding grid
  • A method for predicting the corrosion rate grade of grounding grid
  • A method for predicting the corrosion rate grade of grounding grid

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Embodiment Construction

[0030] An embodiment of the present invention provides a method for predicting the corrosion rate level of the grounding grid, which includes: sampling the grounding grid corrosion test data; performing normalization processing on the corrosion degree values ​​of the clustering indicators in the grounding grid test data to determine the corrosion rate of the grounding grid class critical value; according to the grounding grid corrosion sub-category critical value, determine the grounding grid corrosion whitening weight function; according to the grounding grid corrosion sub-category critical value, determine the grounding grid corrosion weight; according to the grounding grid corrosion whitening weight function and The corrosion weight of the grounding grid determines the corrosion level clustering of the grounding grid; and determines the corrosion rate level of the grounding grid according to the corrosion level clustering of the grounding grid. Therefore, the problems in the...

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Abstract

The invention discloses a ground net corrosion rate grade prediction method, and relates to the fields of ground net corrosion and protection in order to solve the problems of low ground net corrosion rate grade prediction accuracy and difficult realization of predication methods in the prior art. The method comprises the following steps: collecting ground net corrosion test data; normalizing cluster index corrosion degree values in the ground net corrosion test data to determine a ground net corrosion subclass critical value; determining a ground net corrosion whitenization weight function according to the ground net corrosion subclass critical value; determining a ground net corrosion weight according to the ground net corrosion subclass critical value; determining ground net grade cluster according to the ground net corrosion whitenization weight function and the ground net corrosion weight; and determining the ground net corrosion rate grade according to the ground net corrosion grade cluster.

Description

technical field [0001] The invention relates to the field of grounding grid corrosion and protection, in particular to a method for predicting the corrosion rate level of the grounding grid. Background technique [0002] The grounding grid is a safety measure adopted by the electrical installations of the power system to prevent personal and equipment safety from lightning strikes or grounding short-circuit currents. It is an important measure to maintain the safe and reliable operation of the power system and ensure the safety of operating personnel and electrical equipment. is of great significance. Since the grounding grid is in the underground environment for a long time, the chemical corrosion and electrochemical corrosion of the soil are inevitable, and at the same time it must bear the corrosion of the stray current and stray current of the grounding grid. It is of decisive guiding significance to monitor the operation status of the network, discover hidden dangers i...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00
CPCG01N17/006
Inventor 崔江霞杜京义杨学存贺虎成
Owner XIAN UNIV OF SCI & TECH
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