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Artificial contamination deposition characteristic test system

A characteristic test and artificial fouling technology, which is applied in the field of artificial fouling characteristic test system, can solve the problems of potential safety hazards, cumbersome sampling steps, and low measurement reliability, so as to prevent environmental pollution, save manpower and material resources, and have a wide range of research Effect

Active Publication Date: 2013-11-27
STATE GRID CORP OF CHINA +3
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AI Technical Summary

Problems solved by technology

Due to the long time of natural pollution, and the cumbersome steps of sampling in the outdoor line, the staff need to climb up the tower, which poses a safety hazard, and the sampling is completed and brought back to the laboratory for measurement. The process is long, and there may be cases of scattered and lost samples during the period Measurement reliability is not high

Method used

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  • Artificial contamination deposition characteristic test system
  • Artificial contamination deposition characteristic test system
  • Artificial contamination deposition characteristic test system

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Embodiment Construction

[0036] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0037] A kind of artificial fouling characteristics test system proposed in this embodiment, the front view of its overall structure is as follows figure 1 As shown, it mainly includes three parts, A—wind source power section; B—test section; C—air duct diffusion and dust removal section.

[0038] The wind source power section is used to provide natural wind to the test section; there is a base at the bottom to support the entire test system. The connection structure diagram between the base and the foundation is shown in image 3 As shown, the base is welded by H-shaped steel, and the base and the foundation are connected by M20 expansion bolts.

[0039] The test section is the main test part of the artificial pollution characteristics test system, which is mainly used to simulate the insulator strings on the actual po...

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Abstract

The present invention provides an artificial contamination deposition characteristic test system, which comprises a wind source power segment, a test segment and a wind channel diffusion dust removing segment, wherein the wind source power segment, the test segment and the wind channel diffusion dust removing segment are sequentially communicated, the wind source power segment is provided for providing nature wind for the test segment, the test segment is provided for simulating a contamination deposition condition of insulators of a power grid, the wind channel diffusion dust removing segment is provided for collecting dust and providing a wind channel outlet, and the wind source power segment is provided with a base for supporting the test system. According to the present invention, the fan, the dust sprinkling device, the insulator and the like are arranged inside the test system, such that artificial simulation comprising nature contamination deposition on the insulator under typical environments such as wind, rain, fog and the like and under different contamination degrees can be performed in the laboratory, characteristics of time saving, labor saving, safety, reliability and wide research range are provided compared with the traditional nature contamination deposition characteristic research method adopting line sampling, and research results provide important significances for operation maintenance and design type selection of the transmission line insulator.

Description

technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a test system for characteristics of artificial fouling. Background technique [0002] Dirt will be deposited on the surface of insulators exposed to the air for a long time. In snow, fog, drizzle and other humid weather, the soluble salts in the dirt will dissolve in water and become conductive, reducing the dielectric strength of the insulator, and even causing Pollution flashover leads to interruption of power supply, which seriously affects industrial production and people's daily life. Under certain environmental conditions, the shape of the insulator has a major impact on the amount of dirt deposited on the surface of the insulator. Therefore, the atmospheric environment in which the insulator operates is simulated in the laboratory, and the one with less pollution and high pollution flashover voltage under this environment is selected. Insulators are of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/00
Inventor 徐涛马俊平万小东李强刘琴
Owner STATE GRID CORP OF CHINA
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