Test method for analyzing influences imposed on external insulation of power transmission and transformation equipment by haze

A technology of power transmission and transformation equipment and test methods, applied in the direction of testing dielectric strength and other directions

Active Publication Date: 2015-11-18
STATE GRID TIANJIN ELECTRIC POWER +1
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  • Abstract
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Problems solved by technology

However, with the increasingly serious fog and haze weather in recent years, the external insulation of the power grid is facing more severe challenges. T

Method used

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  • Test method for analyzing influences imposed on external insulation of power transmission and transformation equipment by haze

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Embodiment Construction

[0024] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0025] A test method for analyzing the influence of smog on the external insulation of power transmission and transformation equipment, such as figure 1 shown, including the following steps:

[0026] Step 1. Through the measurement of the basic meteorological parameters of the haze, the collection of large-flow air particles, and the analysis test of the filtered gas composition, the haze composition and physical and chemical characteristics are tested to obtain the basic meteorological environmental conditions under the haze environment and the solutes in the large-flow air Composition and solvent information;

[0027] The specific test methods for the measurement of the basic meteorological parameters of the smog, the collection of large-flow air particles, and the analysis of the filtered gas components in the step 1 are as follows:

[0028] (...

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Abstract

The invention relates to a test method for analyzing influences imposed on external insulation of power transmission and transformation equipment by haze, which is technically characterized by comprising the steps of 1, carrying out a test on haze components and physiochemical properties; 2, carrying out a test on haze for external insulation contamination accumulation characteristics; 3, carrying out a test for simulating a haze environment, simulating the haze components and establishing a test platform; and 4, carrying out a test on influences imposed on flashover voltage and leakage current by the haze. The test method provided by the invention analyzes the influences imposed on the external insulation of the power transmission and transformation equipment by the haze from the aspects of the test content and the analysis process. The test method is a group of complete analysis methods and test systems, and carries out quantitative analysis and quantitative calculation on the influences imposed on the power transmission and transformation equipment by the haze.

Description

technical field [0001] The invention belongs to the technical field of anti-pollution flashover of external insulation of power transmission and transformation equipment, and particularly relates to a test method for analyzing the influence of smog on the external insulation of power transmission and transformation equipment. Background technique [0002] The smog weather caused by severe air pollution appears more and more frequently in our country, and presents the characteristics of wide range, frequent occurrence, and long duration of a single event. The fog and haze will affect the pollution accumulation of the external insulation of power transmission and transformation equipment, and even cause large-scale pollution flashover trips of power transmission and transformation equipment, thereby threatening the safe operation of the equipment. Therefore, the pollution external insulation problem of power transmission and transformation equipment is one of the keys to ensur...

Claims

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Application Information

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IPC IPC(8): G01R31/12
Inventor 李隆基刘宝成唐庆华王永福吴明雷文清丰
Owner STATE GRID TIANJIN ELECTRIC POWER
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