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A three-element structure indoor post insulator

A pillar insulator and three-element technology, applied in the direction of supporting insulators, insulators, electrical components, etc., can solve the problems of large manual consumption of materials, high price, and difficulty in ensuring quality, and achieve the purpose of suppressing pollution flashover, prolonging discharge paths, and improving electrical Effect of halo onset voltage and dry flashover voltage

Active Publication Date: 2018-09-18
STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the anti-fouling flashover coating is a product of on-site construction, and there are problems such as difficult quality assurance, high material and labor consumption, and high price, so it can only be used as a temporary and remedial measure

Method used

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  • A three-element structure indoor post insulator
  • A three-element structure indoor post insulator
  • A three-element structure indoor post insulator

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Embodiment Construction

[0024] The present invention will be described in detail below with reference to the accompanying drawings.

[0025] refer to figure 1 , the upper accessory system 2 is set on the upper part 1 of the indoor post insulator 4, and the lower accessory system 3 is set on the lower part 5 of the indoor post insulator 4.

[0026] refer to figure 2 , the upper accessory system 2 is composed of an insulating part and a conductive part, and the insulating part is in close contact with the conductive part. Insulation part one 2-1 of the upper accessory system is in contact with the upper end of the insulator. The conductive part of the upper accessory system is a conductive ring one 2-2, and the conductive ring one 2-2 is arranged on the horizontal side surface of the upper accessory system in contact with the upper end of the insulator.

[0027] The insulating material of the insulating part 1 2-1 is an organic insulating material, which not only increases the creepage distance of ...

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Abstract

The invention relates to an indoor support insulator having a three-element structure, wherein an upper accessory system is arranged at an upper end of the insulator, and a lower accessory system is arranged at a lower end of the insulator; and the upper and lower accessory systems are composed of upper and lower insulating parts and upper and lower conductive parts, and the insulating parts are in close contact with the conductive parts. The insulating parts of the upper and lower accessory systems are in contact with the upper and lower ends of the insulator; and the conductive parts of the upper and lower accessory systems are divided into a first conducting ring and a second conducting ring, the first conducting ring is arranged on a horizontal side surface of the upper accessory system that is in contact with the upper end of the insulator, and the second conducting ring is arranged on a vertical side surface of the lower accessory system that is in contact with the lower end of the insulator. According to the invention, when the electrode generates corona discharge, the charges of the corona discharge can be absorbed to effectively improve the initial corona voltage and the dry flashover voltage of the insulator; when the electrode generates surface discharge, the movement track of the discharge charges can be guided to prolong the discharge path and effectively improve the dry flashover voltage of the insulator; and the leakage current of the pollution layer on the surface of the insulator, the creepage distance is increased, and the pollution flashover is effectively inhibited.

Description

technical field [0001] The invention relates to a high-voltage indoor post insulator, in particular to an indoor post insulator with a three-element structure. Background technique [0002] Post insulators are insulating posts that support high-voltage busbars and live parts of high-voltage electrical appliances. According to the different shape structure and working conditions, it can be divided into two categories: outdoor and indoor. General indoor post insulators are composed of hollow or solid cylindrical porcelain parts and metal accessories. According to the different metal accessories and glue-mounting methods, indoor post insulators are divided into three types: outer glue-mounted, inner glue-mounted and inner-inner glued-mounted structures. [0003] The metal accessories of the outer glue-mounted insulator are glue-mounted outside the porcelain part, and the metal accessories of the inner glue-mounted insulator are glue-mounted inside the porcelain part. The inte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/14H01B17/42H01B17/46
CPCH01B17/14H01B17/42H01B17/46
Inventor 黄震李永东孙伟郭良松周喜宾刘新宇张德赛李国一魏国强袁幼林艾比布勒·塞塔尔宋占党顾军原春亮黄擎徐正江陈兴王志远苏宁陈臻刘彪李欣宇杨柱石吕昌满
Owner STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO
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