1,000kv double-circuit co-pole transposition tower

Abstract

The invention discloses a 1,000kV double-circuit co-pole transposition tower, relates to a 1,000kV overhead power transmission line tower and solves the problem in transposition of the conventional 1,000 double-circuit power transmission line. The 1,000kV double-circuit co-pole transposition tower comprises a tower body, wherein circuit transposition mechanisms are arranged on two sides of the tower body and comprise upper cross arms, middle cross arms, lower cross arms, first jumper racks, second jumper racks, outer side jumpers and up-and-down jumpers; the upper cross arms are connected with first tension strings; the middle cross arms are connected with second tension strings; the lower cross arms are connected with third tension strings; the front ends of the first tension strings are connected with the rear ends of the third tension strings through first jumpers, the outer side jumpers, the up-and-down jumpers and second jumpers in sequence; the front ends of the second tension strings are connected with the rear ends of the first tension strings through third jumpers; the front ends of the third tension strings are connected with the rear ends of the second tension strings through fourth jumpers. The 1,000kV double-circuit co-pole transposition tower has the characteristics of high external adaptability, reduction of engineering manufacturing cost and capability of saving land resources and has obvious economical and social benefits.

Description

technical field [0001] The invention relates to a 1000kV overhead power transmission line iron tower, in particular to a 1000kV double-circuit common pole transposition tower. Background technique [0002] At present, my country's 1000kV transmission lines use three-column transposition towers, that is, three-base independent iron towers, and two tension towers combined with an auxiliary tower to independently complete the transposition of the two circuits. The 1000kV three-column double-circuit transposition tower uses two single-circuit tension towers combined with one auxiliary tower to complete the transposition of the two circuits. One side of the middle phase ~ auxiliary tower ~ the other side of the lower phase, one side of the lower phase ~ the other side of the upper phase, and the other time the same roll commutation is used to realize the transposition. The original tower type scheme adopts three-column transposition tower, which has three base iron towers in tot...

AI Technical Summary

Problems solved by technology

The original tower type scheme adopts three-column transposition tower, which has three base iron towers in total, which covers a large area and requires high terrain conditions, which limits its scope of use. Larger, the width of the occupied corridor is wider, the amount of land occupation and house demolition is larger, so it is necessary to improve

Images