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Operation method of 10kV common-pylon double-circuit line charged vertical pylon

A technology of double circuits on the same tower, 1.10kv, applied in towers, building types, buildings, etc., can solve problems such as expanding the area affected by power outages, and achieve the effects of improving power supply reliability, increasing distribution transformers, and good economic benefits.

Active Publication Date: 2010-09-08
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it also brings new problems. Once a power outage is performed on one circuit, both circuits need to be out of power at the same time, thereby expanding the area affected by the power outage.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Operation method of live iron tower for 10kV double circuit line on the same tower:

[0021] 1. Insulate and shield the wires near the operating point: the electrician in the insulated bucket car wears insulating protective gear, carries the insulating tool into the working bucket, and raises the bucket arm to a suitable position. The electrician in the bucket uses a wire shield (also known as a wire isolation tube) and an insulating blanket to isolate the six wires. In the working process, pay attention to the insulating rope when the insulating tools and materials are passed up and down. The operators are using insulation When the shielding cover and the insulating blanket are used to isolate the wires, the movement range should be small and the degree should be uniform to prevent short circuits between phases. The insulation and shielding should be carried out according to the principle of from near to far, from low to high.

[0022] 2. Lift the upper section of the towe...

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PUM

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Abstract

The invention discloses an operation method of a 10kV common-pylon double-circuit line charged vertical pylon. In the operation method, conducting wires adjacent to an operation spot are multiply shielded, and then reasonable operation steps are adopted, thereby a common-pylon multi-circuit line charged vertical pylon is realized by adopting simple configurations.

Description

Technical field [0001] The invention relates to a live operation method of a 10kV double-circuit line on the same tower, in particular to a live iron tower operation method of a 10kV double-circuit line on the same tower. Background technique [0002] There are more and more applications of double-circuit distribution network lines erected on the same tower in cities. Compared with single-circuit lines, it saves more line channels. The height of the tower can relieve the contradiction between trees and lines, and meet the vertical safety of urban flyovers and overpasses. distance. However, it also brings new problems. Once the line is out of power, the double-circuit line needs to be out of power at the same time, thereby expanding the area affected by the outage. Therefore, there is an urgent need for a live tower operation method for a 10kV double-circuit line on the same tower to achieve live construction without power outage restrictions, shorten the construction period, spe...

Claims

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Application Information

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IPC IPC(8): E04H12/00
Inventor 李伟新潘小山林毓强蔡俊宇张世国庄德金吕伟庭方光辉
Owner STATE GRID CORP OF CHINA