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An AC UHV same-tower double-circuit linear tower

A technology of double-circuit and straight-line towers on the same tower, applied in the direction of space arrangement/configuration of towers and cables, building types, etc., can solve the problem of line corridor width, etc., and achieve the effect of reducing corridor width.

Active Publication Date: 2016-04-13
STATE GRID CORP OF CHINA +8
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above technical problems, the present invention provides an AC UHV same-tower double-circuit linear tower to solve the problem of line corridor width when transmitting AC UHV

Method used

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  • An AC UHV same-tower double-circuit linear tower
  • An AC UHV same-tower double-circuit linear tower
  • An AC UHV same-tower double-circuit linear tower

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Embodiment Construction

[0025] As mentioned in the background technology section, in the prior art, the I-type linear tower in the form of hanging strings is used for AC UHV transmission.

[0026] refer to figure 1 , figure 1 It is a common AC UHV double-circuit I-string linear tower in the prior art, and I-type suspension strings are arranged at both ends of the upper conductor crossarm 1, the middle conductor crossarm 2 and the lower conductor crossarm 3.

[0027] However, the linear tower adopting the I-type suspension string hanging method has a large range of swinging with the wind due to the I-type suspension string. If there is enough electrical clearance between them, a larger wire spacing needs to be set, which will result in a wider line corridor width.

[0028] The inventors found that the Y-shaped suspension series of high-voltage iron towers can be used for AC UHV transmission, which can reduce the distance between conductors and effectively reduce the width of line corridors.

[0029...

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Abstract

The invention discloses an alternating current extra-high voltage same-tower double-circuit tangent tower. The alternating current extra-high voltage same-tower double-circuit tangent tower comprises a tower body, a first wire cross arm, a second wire cross arm and a third wire cross arm, wherein the first wire cross arm is fixed to the top of the tower body and the two ends of the upper surface of the first wire cross arm are respectively provided with a ground wire support; the second wire cross arm is fixed to the tower body and a distance is set between the first wire cross arm and the second wire cross arm; the third wire cross arm is fixed to the tower body and a distance is set between the second wire cross arm and the third wire cross arm; the first wire cross arm, the second wire cross arm and the third wire cross arm are respectively provided with a hanger used for fixing a Y-type overhanging string. The alternating current extra-high voltage same-tower double-circuit tangent tower has a small corridor width.

Description

technical field [0001] The invention relates to the technical field of high-voltage iron towers, and more specifically relates to an AC UHV same-tower double-circuit linear tower. Background technique [0002] UHV AC transmission technology generally refers to the transmission technology with a voltage level of 500kV and above. The use of UHV transmission technology can reduce the tower material index, basic index, corridor width, etc. of the unit transmission capacity, and reduce the power loss during long-distance transmission. For my country's energy distribution and economic development layout, it is imperative to adopt UHV technology suitable for long-distance transmission. [0003] With the continuous advancement of my country's electric power construction, the line corridor is becoming more and more scarce. In particular, the UHV lines have a large distance between them, and the line corridors are wider than ordinary lines, and the increase in the line corridors dir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04H12/00E04H12/08E04H12/24H02G7/20
Inventor 柯嘉李喜来田璐袁骏曾德森张华舒爱强杨景胜白强胡星曾二贤张轶徐彬夏谦冯德奎高培国李鑫高如涛傅鹏程葛保斌章怡吴彤杨磊赵雪灵何文俊刘勇刘从法张哲鑫王启明邹峥
Owner STATE GRID CORP OF CHINA
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