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Method for testing natural pollution characteristics of high-voltage external-insulation device

A technology of natural pollution and test method, applied in the field of electric power, can solve the problem of natural pollution characteristics test without high-voltage external insulation equipment

Inactive Publication Date: 2014-12-17
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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AI Technical Summary

Problems solved by technology

[0008] However, the prior art does not provide a comprehensive test of the natural pollution characteristics of high-voltage external insulation equipment

Method used

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  • Method for testing natural pollution characteristics of high-voltage external-insulation device

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Experimental program
Comparison scheme
Effect test

Embodiment approach

[0022] This step can have multiple implementations, for example, including at least one of the following implementations:

[0023] Method 1: Use distilled water to clean the natural pollution on the surface of the high-voltage external insulation equipment, and obtain a test liquid containing the natural pollution.

[0024] Specifically, the respective surface areas of the upper surface and the lower surface of the high-voltage external insulation equipment can be determined first; then, the amount of distilled water is determined according to the surface area of ​​the upper surface and the surface area of ​​the lower surface, for example, 0.2ml water per square centimeter of surface area , Determine the amount of distilled water; then use distilled water to clean the natural dirt on the surface of the high-voltage external insulation equipment.

[0025] Method 2: Scrape the contamination powder on the surface of the high-voltage external insulation equipment as the natural contamina...

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Abstract

The invention discloses a method for testing natural pollution characteristics of a high-voltage external-insulation device. The method comprises the following steps of: acquiring to-be-tested natural pollution on the high-voltage external-insulation device; testing equivalent salt deposit density and dust density to the to-be-tested natural pollution; testing at least one of the to-be-tested natural pollution: pollution ingredient, pollution granularity, pollution morphology, pollution thermal weight and pollution infrared spectroscopy. In the scheme, the pollution level can be confirmed by testing equivalent salt deposit density and dust density of the natural pollution; at least one of ion, concentration, particle granularity, topographic characteristics, heat stability, chemical bond information or functional group information included in the natural pollution can be obtained by testing at least one of pollution ingredient, pollution granularity, pollution morphology, pollution thermal weight and pollution infrared spectroscopy, so that the natural pollution characteristics on the device surface can be comprehensively tested.

Description

Technical field [0001] The embodiment of the present invention relates to the field of electric power technology, and in particular to a method for testing the natural pollution characteristics of high-voltage external insulation equipment. Background technique [0002] In the power system, high-voltage external insulation equipment is often affected by various complex geographic and climatic environments due to its wide distribution. For example, under the action of meteorological conditions such as fog, dew, drizzle, melting ice, melting snow, etc., dirt is deposited on the surface of high-voltage external insulation equipment, which reduces the electrical strength of high-voltage external insulation equipment. With the deposition of pollution on the surface of high-voltage external insulation equipment, the increase of transmission voltage, and the intensification of environmental pollution, the high-voltage external insulation equipment has a pollution flashover accident unde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/00G01N21/31G01N21/73G01N30/02G01N15/02G01N23/00G01N5/00G01N21/35
Inventor 孟晓波王黎明张贵峰王耿耿梅红伟董弘川
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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