METHOD OF ERECTING HIGH-VOLTAGE OVERHEAD TRANSMISSION LINE AND HIGH-VOLTAGE OVERHEAD POWER TRANSMISSION LINE, BUILT USING SAID METHOD

摘要

FIELD: electricity.;SUBSTANCE: group of inventions relates to electrical engineering, particularly to overhead high-voltage lines and power transmission networks of type high VVL 110-220, ultrahigh voltage class VVL 220-330; 330-750 and ultrahigh 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, tension and trunnion-type clamps, nondamaging housing and a set of high-temperature composite electric wires fixed in them, each of which comprises a core with at least one composite strand and multi-strand layer. Engineering solutions, providing specified technical result, include mounting with unrolling of electric wire through a tensioner and providing technological tension of electric wire using a tension machine, use of expansion rollers with nondamaging bed, for example, equipped with rubber layer, and clear regulation of minimum radii of reels with factory winding of electric wire and reels of braking machine from condition of undamageability of high-efficiency, efficient material consumption and reduced resistance per unit of transmitted electric power.;EFFECT: according to invention, overhead high-voltage 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, thus preventing additional losses of transmitted electric power in electric wires joints, number of which is minimised.;2 cl, 8 dwg