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Method for simulating contamination in regions where power transmission and transformation equipment operates, and method for determining degree of contamination

A technology for power transmission and transformation equipment and determination methods, which is applied in the direction of testing dielectric strength, measuring electricity, measuring electrical variables, etc., can solve the problems of low accuracy, single means, insufficient to characterize the diversity of pollution, etc. , the effect of improving reliability

Inactive Publication Date: 2018-02-09
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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Problems solved by technology

[0003] Existing technical methods usually use the equivalent salt density and gray density of natural pollution to characterize the pollution degree of the environment. The method is single and the accuracy is low, which is not enough to characterize the diversity of actual pollution. It cannot be tested in the laboratory. conduct a simulation

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  • Method for simulating contamination in regions where power transmission and transformation equipment operates, and method for determining degree of contamination
  • Method for simulating contamination in regions where power transmission and transformation equipment operates, and method for determining degree of contamination

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Embodiment Construction

[0054] 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.

[0055] 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.

[0056] figure 1It is a flow chart of the pollution simulation method in the operation area of ​​power transmiss...

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Abstract

The invention discloses a method for analyzing and simulating the degree of contamination in regions where power transmission and transformation equipment operates. The method for simulating contamination in regions where power transmission and transformation equipment operates comprises the following steps: step 1, selecting suspension insulators and collecting natural contamination in a to-be-analyzed area; step 2, separately subjecting collected natural contamination to testing of equivalent salt deposit density and non-soluble deposit density and to analysis of soluble ion components; step3, according to the analysis results of soluble ion components, selecting corresponding salt for cooperation with diatomite to prepare contamination liquid; step 4, adjusting the salinity of the contamination liquid, staining a test insulator, and making the equivalent salt deposit density and non-soluble deposit density of surface contamination of the test insulator to reach the equivalent saltdeposit density and non-soluble deposit density mentioned in the step 2 respectively so as to prepare simulated contamination.

Description

technical field [0001] The invention belongs to the field of power transmission and transformation equipment, and in particular relates to a method for simulating pollution in an area where power transmission and transformation equipment operates and a method for determining the degree of pollution. Background technique [0002] Pollution flashover, as a fault form that is likely to cause permanent grounding accidents of lines and substations, has been paid attention to and researched all the time. The environment of transmission lines and substation operation areas is complex. Due to the special geographical environment and climatic conditions in some areas, pollution flashover is more likely to occur, which will cause great harm to the passing transmission lines and nearby substation equipment. Therefore, it is necessary to carry out key research on the areas prone to pollution flashover, to provide guidance for the revision of the pollution area distribution map, and to p...

Claims

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Application Information

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IPC IPC(8): G01N15/08G01N33/00G01R31/12
CPCG01N15/08G01N33/0004G01R31/1227
Inventor 张洋贾然周超刘辉刘传彬马国庆刘嵘段玉兵张皓孙景文王硕王明林董旭王学磊史方芳王玥娇颜庆樊迪沈庆河胡晓黎
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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