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Insulator Natural Pollution Examination Site

A technology of insulators and post insulators, which is applied in the field of power systems, can solve problems such as difficult insulators, heavy workload, time-consuming and labor-consuming, and achieve the effects of reducing workload, improving efficiency, and widening the scope of research

Active Publication Date: 2016-08-31
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different environments of transmission lines, it is difficult to compare the pollution of insulators in the same environment, and it is necessary to compare the pollution of insulators of different materials, types, and strings. There are many sampling points, a large workload, and time-consuming. force

Method used

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  • Insulator Natural Pollution Examination Site
  • Insulator Natural Pollution Examination Site
  • Insulator Natural Pollution Examination Site

Examples

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Embodiment Construction

[0028] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] The plan view of the insulator natural pollution assessment site proposed in this embodiment is as follows figure 1 As shown, the assessment site includes a voltage regulating transformer 1, a capacitive voltage divider 2, a post insulator 3 and a frame composed of gate-shaped pole towers;

[0030] The voltage regulating transformer 1 is connected to the capacitor voltage divider 2, and there is at least one post insulator 3, which is arranged in a row at equal intervals. The upper end of the post insulator 3 is provided with a pole for supporting the Cable; above the post insulator 3, there is a frame composed of gate-shaped pole towers (shown in Figure 4-10).

[0031] like figure 1 As shown, the structure composed of gate-shaped pole towers is composed of two cuboids composed of gate-shaped pole towers, and its top surface...

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Abstract

The invention discloses a natural accumulated dirt checking field of an insulator. The natural accumulated dirt checking field comprises a transformer, a voltage divider, at least one supporting insulator and a frame formed by a portal rod tower, wherein the transformer is connected with the voltage divider, the at least one supporting insulator is arranged into a row at equal intervals, a frame bar is arranged at the upper end of the supporting insulator and used for supporting a cable connected with the voltage divider, and the frame combined by the portal pole tower is arranged above the supporting insulator. According to the natural accumulated dirt checking field, insulators of multiple forms are suspended on the frame, a V cluster included angle is regulated by regulating a suspension point position and a string length, an experimental investigation of charged or uncharged accumulated dirt characteristics of the insulators of 1000kV and below voltage classes can be carried out after insulators are charged, a research method for sampling a power grid running insulator is changed, the research scope is wide, and an important meaning is achieved for improving the power supply reliability and economy by a research result.

Description

technical field [0001] The invention belongs to the field of power systems, and in particular relates to an examination site for natural pollution accumulation of insulators. 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 insulator material, type and string type have a significant impact on the amount of dirt deposited on the surface of the insulator, so different materials (porcelain, glass and composite, etc.), different umbrella shapes (common, bell, double) Umbrella, triple umbrella), different string types (I strings, double I strings, V str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/04
Inventor 徐涛万小东刘琴南敬
Owner STATE GRID CORP OF CHINA
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