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Overhead transmission line

An overhead transmission line and overhead line technology, applied in emergency protection circuit devices, electrical components, spatial arrangement/configuration of cables, etc., can solve the problems of branch lines affecting the normal power supply of wires, power supply lines losing power supply capability, etc., to reduce the impact range effect

Inactive Publication Date: 2015-03-25
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the recloser trips, the entire power supply line loses its power supply capability, making the fault of the branch line affect the normal power supply of the entire line

Method used

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  • Overhead transmission line

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Embodiment Construction

[0018] It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.

[0019] Such as figure 1 As shown, it can be seen from the figure that the overhead transmission line of this embodiment includes an overhead line, and the overhead line includes a main line and a plurality of branch lines connected to the main line. Each branch line is provided with a line recloser, and the input and output ends of the line recloser are connected to the branch line. A line recloser is connected to the branch line. When the branch line fails, the line recloser will trip before the recloser in the power station, thereby only powering off the branch line that has failed, and not the main line of the overhead line. The line and other branch lines cause influence, reducing t...

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Abstract

The invention provides an overhead transmission line which comprises an overhead line. The overhead line comprises a main circuit and a plurality of branch circuits connected to the main circuit. Each branch circuit is provided with a circuit recloser, and the input end and the output end of each circuit recloser are connected to the corresponding branch circuit. According to the technical scheme, the fault branch circuits can be powered off, and power supplied to the main circuit and the other branch circuits is not affected.

Description

Technical field [0001] The present invention relates to the technical field of power transmission, and in particular to an overhead power transmission line. Background technique [0002] In the prior art, the overhead transmission line is in the power station. When a branch of the power supply line fails, the recloser will trip and auto-reclose. If the fault disappears after reclosing, the normal power supply will be restored. If the fault still exists after reclosing, the recloser will trip again. After the recloser is tripped, the entire power supply line loses its power supply capacity, so that the failure of the branch line affects the normal power supply of the entire wire. Summary of the invention [0003] The present invention aims to provide an overhead power transmission line capable of powering off a faulty branch line without affecting the power supply to the main line and the remaining branch lines. [0004] In order to achieve the above objective, according to one as...

Claims

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Application Information

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IPC IPC(8): H02G7/20H02H7/26
CPCH02H7/262H02H7/266H02H7/267
Inventor 钱晓仲杨鑫郭辅中
Owner STATE GRID CORP OF CHINA
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