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Anti-thunder insulator used for bare wire

A lightning protection insulator and bare wire technology, applied in insulators, suspension/strain insulators, electrical components, etc., can solve the problems of flashover, lightning strike insulators, disconnection and tripping, etc., to reduce resource waste, ensure safe operation, reduce The effect of homework time and difficulty

Inactive Publication Date: 2017-05-10
STATE GRID ZHEJIANG NINGBO FENGHUA POWER SUPPLY CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a lightning protection insulator for bare wires to solve the problems of insulator flashover, disconnection and tripping caused by lightning strikes on bare wires in the prior art

Method used

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] See figure 1 As shown, the embodiment of the present invention provides a lightning protection insulator, including: an insulator body 1 and a fault indicator 2 arranged under the insulator body 1, and the insulator body 1 and the fault indicator 2 are fixed by nuts 3 connect.

[0022] Wherein, the insulator body 1 includes: an upper fitting 101, an umbrella body 102 and a lower fitting 103, the lower end of the upper fitting 101 is embedded and fixedl...

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Abstract

The invention provides an anti-thunder insulator used for a bare wire. The anti-thunder insulator is a novel anti-thunder insulator with a fault indicating function and applied to a 10KV overhead bare wire. Matching use of an insulator body and a fault indicator is adopted; the insulator body comprises a gap; in a use process, when thunder-strike overvoltage occurs, the gap between copper sheets in the insulator is switched on immediately only if the amplitude of the overvoltage endangers operational safety of a system, so that the overvoltage is released to the ground through resistor discs; therefore, large-area power failure or occurrence of secondary accidents of the system caused by burn down of the wire due to overvoltage arc establishment can be avoided, so that safety operation of the system can be ensured; the anti-thunder insulator is simple in structure, good in use effect, has the characteristics of high economical efficiency and practicability, and is suitable for popularization and application; and in addition, the anti-thunder insulator is safe and reliable, and capable of greatly reducing operating time and difficulty, saving precious time for fault removal of a power system in time, effectively reducing waste of resources, and saving limited space of a working plane.

Description

technical field [0001] The invention relates to the technical field of power transmission and protection equipment, in particular to a lightning protection insulator for bare wires. Background technique [0002] In overhead distribution lines, bare conductors play a pivotal role in power distribution operation and are an essential part. With the passage of time, the bare overhead conductors are exposed to the air for a long time, and the surface of the bare conductors is partially oxidized to form an oxide layer, which makes the bare conductors partially insulated. network, lightning strike disconnection accidents and line tripping caused by lightning strikes. Therefore, it is of great significance to speed up the research on measures to prevent insulator flashover, disconnection and tripping caused by lightning strikes on bare conductors to ensure the safe and reliable operation of distribution networks. Contents of the invention [0003] In view of this, the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/04H01B17/38H01B17/46
CPCH01B17/04H01B17/38H01B17/46
Inventor 方旭东毛靖斐秦立明刘晓岑王思谨陈为民周培华裘学东张爱祥
Owner STATE GRID ZHEJIANG NINGBO FENGHUA POWER SUPPLY CO LTD
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