METHOD OF ERECTING HIGH-VOLTAGE OVERHEAD TRANSMISSION LINE AND HIGH-VOLTAGE OVERHEAD POWER TRANSMISSION LINE, BUILT USING SAID METHOD Russian patent published in 2016 - IPC H02G7/00 

Abstract RU 2594208 C1

FIELD: electrical engineering.

SUBSTANCE: group of inventions relates to electrical engineering, more specifically to high-voltage overhead lines and power transmission networks of type high voltage VVL 110-220, ultrahigh voltage class VVL 220-330, 330-750, 330-750 and ultra-high voltage class above 750 kV and methods of their erection, operation and transportation of electric power. High-voltage overhead line of a high-voltage power network includes mounted on foundations tower supports with traverses, insulators, terminal and trunnion-type clamps without damaging shell, and a set of high-temperature composite electric wires fixed therein, each of which comprises a core with at least one composite strand and multi-strand layer. High-voltage overhead line is mounted during erection or operational repair, reconstruction, restoration by a method providing process and operation undamageability of said electric wires by means of complex developed mounting-process equipment and application for laying electric wires line of individual length equal to full anchor factory length of line or its mounting section, which prevents additional losses of transmitted electric power in electric wire joints, number of which is minimised.

EFFECT: process solutions, providing said technical result, include mounting with expansion of electric wire through tensioner and provision of technological tension of electric wire using a tension machine, use of expansion rollers with nondamaging bed, for example, equipped with rubber layer, and exact regulation of minimum radii of reels with factory winding of electric wire and reels of tensioner from condition of nondamaging high-efficient low-consumption material and reduced resistance per unit of transmitted electric power.

2 cl, 8 dwg

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RU 2 594 208 C1

Authors

Fedosova Anastasiya Vladimirovna

Dates

2016-08-10Published

2015-06-24Filed