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10 kv/380 v combined pole distribution line lightning-proof apparatus

A technology for distribution lines and lightning protection devices, which is applied in the installation of cables, the configuration of grounding wires, conductor discharge/electricity consumption, etc. The effect of reducing the cost of renovation and the workload of operation and maintenance

Inactive Publication Date: 2017-02-22
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

like figure 1 As shown, many 10kV distribution lines in actual operation are erected with 380V low-voltage lines on poles, and there is no lightning protection method for 10kV / 380V power distribution lines on poles

Method used

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  • 10 kv/380 v combined pole distribution line lightning-proof apparatus
  • 10 kv/380 v combined pole distribution line lightning-proof apparatus
  • 10 kv/380 v combined pole distribution line lightning-proof apparatus

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Embodiment Construction

[0018] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.

[0019] Such as figure 2 As shown, a 10kV / 380V combined pole distribution line lightning protection device includes: a base tower 7, the lower end of the base tower 7 is arranged in the ground 8, and is perpendicular to the ground 8; The line cross arm 3 and the second line cross arm 6 are provided with the first line insulator 1 of the first line conductor 2, and the first line insulator 1 is arranged on the first line cross arm 3; the second line conductor 4 is provided The second line insulator 5 is arranged on the second line cross-arm 6 .

[0020] A lightning protection wire support 9 provided with a lightning protection wire 10, the lightning protection wire support 9 is arranged on the top of the base tower 7; a line arrester 11, and the line arrester 11 is connected to any one phase line in the three-pha...

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PUM

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Abstract

The invention discloses a 10 kV / 380 V combined pole distribution line lightning-proof apparatus. A 10 kV / 380 V combined pole distribution line comprises one loop of three-phase 10 kV line above a straight pole and one loop of four-phase 380 V low-voltage line below the straight pole, a line arrester is mounted at any phase of the three-phase 10 kV line, a lightning-proof line support and a lightning-proof line are mounted at the top of a base pole, a ground downlead and a ground part connected to the lightning-proof line support and the line arrester on a cross arm of the 10 kV line are mounted on the base pole. The 10 kV / 380 V combined pole distribution line lightning-proof apparatus has the advantages that modifying cost and operation and maintenance workload are decreased, lightning trip-out rate of the 10 kV / 380 V combined pole distribution line is greatly decreased, and economic benefit is increased.

Description

technical field [0001] The invention relates to a line lightning protection device, in particular to a 10kV / 380V combined pole power distribution line lightning protection device. Background technique [0002] In the city, due to the limited corridors of power lines, in fact, there are often lines with two or more voltage levels that need to occupy one side of the road. Generally, the method of increasing the height of the pole and erecting wires in multiple layers is used to solve the problem. Among the medium-voltage overhead distribution lines, the most commonly used is the combined pole line, that is, the distribution lines with different voltage levels and multiple parallel poles. Previous papers and patents proposed lightning protection methods for single-circuit and multi-circuit 10kV distribution lines on the same tower, such as the invention patent "A Method for Preventing Lightning Breakage of 10kV Overhead Insulated Lines" (authorization number: CN 102290775 B );...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G13/00H02G7/22
CPCH02G13/40H02G7/22H02G13/80
Inventor 江安烽刘谨戴华彬朱炯王汉卿唐啸王迪何超乔通聂鹏晨江正恺
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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