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Conductor vertically arranged power transmission tower

A technology of vertical arrangement of wires and transmission towers, which is applied to the installation of electrical components, cables, and cable suspension devices, etc., which can solve the problems of increasing project investment, increasing the number of split wires, and low natural transmission power. The effect of increasing project investment, optimizing connection form, and optimizing structural size

Active Publication Date: 2016-07-06
STATE GRID CORP OF CHINA +3
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the cable towers and suspension towers are mostly arranged horizontally, the natural transmission power is low, the width of the transmission line corridor cannot be effectively compressed, and the transmission capacity of the unit corridor is small.
And at present, most of the suspension strings of high-voltage DC and AC lines at home and abroad adopt I string and V string. With the construction of UHV, the voltage level is getting higher and higher. This will inevitably increase the use of wires, the tonnage of the fitting string and the size and tonnage of the fittings, the structural size of the iron tower and the width of the line corridor, etc., thereby increasing the project investment

Method used

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  • Conductor vertically arranged power transmission tower
  • Conductor vertically arranged power transmission tower
  • Conductor vertically arranged power transmission tower

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0109] Such as figure 1 As shown, there are two left and right hanging strings distributed in a "V" shape, the left hanging string and the hanging connecting plate 15 are connected by the connecting plate 2 18 and the right-angle hanging plate 19, and the right hanging string and the hanging connecting plate 15 are connected by connecting plate one 12 and Z type right angle hanging plate two 13. Link board-12 adopts such as Figure 20 As shown in the structure, the upper end of the hanging string is changed into two through the LZ type connecting plate 7, which optimizes the structure of the hanging string and reduces the weight and length of the hanging string; at the same time, the strength level of the selected right-angle hanging plate 19 is higher than that of Z Type right-angle hanging board two 13 level. During construction, the left hanging string is placed outside the tower body of the power transmission tower. When the hanging string breaks, because the strength gr...

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Abstract

The invention relates to a conductor vertically arranged power transmission tower. Span wires of insulating strings are arranged between tower bodies. The insulating strings are connected with conductors. Stay wires are arranged at the top ends of the tower bodies. The span wires are provided with the V-type or I-type insulating strings. Compared with the prior art, the conductor vertically arranged power transmission tower is suitable for a direct-current circuit and an alternating-current circuit. By means of the V-type suspension strings, structural structure of fittings is improved, overall strength of the suspension strings is improved, and normal operation of a power transmission line is guaranteed; meanwhile, the length of the suspension strings is effectively reduced, and therefore, the height of the tower bodies of the power transmission tower is reduced, and manufacturing cost, transport cost and construction cost of the fittings and the tower are reduced.

Description

technical field [0001] The invention relates to an iron tower structure of a power transmission line, in particular to a wire tower used for direct current and alternating current lines. Background technique [0002] As a kind of iron tower structure, linear tower is widely used in UHV overhead transmission lines to support conductors and ground wires. It is generally used between the tension sections of the line and is a type of tower used in a large number of transmission lines. Commonly used tower structures are self-supporting towers, guyed towers and suspension towers. The commonly used types of guyed towers are V-shaped towers (the tower body is V-shaped double columns) and single-column guyed towers (the tower body is single-column). The wires are arranged horizontally between phases; the common type of suspension tower is a double-column suspension tower. However, since the cable towers and suspension towers are mostly arranged horizontally, the natural transmissio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/00H02G7/05H02G7/20
Inventor 吴静杨靖波施菁华
Owner STATE GRID CORP OF CHINA
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