{"id":444,"date":"2023-06-19T11:48:44","date_gmt":"2023-06-19T03:48:44","guid":{"rendered":"https:\/\/electricalwire.wiki\/?p=444"},"modified":"2023-06-19T19:01:39","modified_gmt":"2023-06-19T11:01:39","slug":"cable-overhead-steel-strand","status":"publish","type":"post","link":"https:\/\/electricalwire.wiki\/?p=444","title":{"rendered":"Cable overhead steel strand"},"content":{"rendered":"\n

A cable overhead strand is a wire used in high-voltage transmission lines in power transmission and distribution systems and consists of multiple stranded steel wires wrapped in an outer layer of insulation.<\/p>\n\n\n\n

Cable overhead strand is widely used in long-distance transmission lines because of its high strength and corrosion resistance, and its ability to withstand high tension and harsh weather conditions. Compared with other types of power conductors, cable overhead strand has higher transmission capacity and longer service life.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Overhead cables are single-core and can be divided into hard aluminum wire structure, hard drawn copper wire<\/a> structure, aluminum alloy wire structure, steel core or aluminum alloy core support structure and self-supporting three-core stripline structure (core can be hard aluminum or hard copper wire), etc. According to their structure, they can be divided into hard aluminum wire structure, hard drawn copper wire structure, aluminum alloy wire structure, steel core or aluminum alloy core support structure and self-supporting three-core stripline structure. It has the main features of high reliability of power supply, good safety of power supply, convenient erection and maintenance, and reasonable economy. Its main technical parameters include weather resistance, insulation level, internal and external semi-conductive shielding layer. Overhead cables are widely used in power transmission at home and abroad.<\/p>\n\n\n\n

Most traditional high-voltage power transmission methods use high-voltage overhead lines or high-voltage cable lines as transmission channels.<\/p>\n\n\n\n

Overhead cables are not ordinary oil-paper insulated cables or cross-linked insulated cables hung directly from overhead towers, but are a special cable manufactured using a production process similar to that of cross-linked cables.<\/p>\n\n\n\n

Cable overhead strands usually consist of multiple strands of steel wire<\/a> that are insulated by electrical insulating materials to prevent current leakage and interference. The diameter and cross-sectional area of the cable overhead strand can be selected as needed to suit different power transmission and distribution scenarios.<\/p>\n\n\n\n

The installation of cable overhead strand needs to follow the relevant standards and regulations to ensure its safety and reliability. During the installation process, attention needs to be paid to the integrity of the insulation material and the tension of the wire to ensure the normal use and life of the cable overhead strand.<\/p>\n\n\n\n

Enameled wire products can be used in the power industry equipment, our company will participate in power exhibition every year, visit customers and show products<\/p>\n","protected":false},"excerpt":{"rendered":"

In order to protect the outer sheath of the cable from harm and reduce friction, the cable pulley is suspended on the steel strand. Its spacing is related to the weight of the cable unit length, generally installed every 2~3m distance, in order not to make the cable sag touch the ground as the principle, the cable pulley into a straight line installation. The wire mesh sheath is set at the end of the cable when used. When pulling the cable, the cable mesh sleeve and the wire rope must be installed between the anti-twist device.<\/p>\n","protected":false},"author":1,"featured_media":446,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[10,13,16],"class_list":["post-444","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-wire","tag-electrical-wire","tag-power-exhibition","tag-transformer-windings"],"yoast_head":"\nCable overhead steel strand - Electrical cable & wire<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/electricalwire.wiki\/?p=444\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cable overhead steel strand - Electrical cable & wire\" \/>\n<meta property=\"og:description\" content=\"In order to protect the outer sheath of the cable from harm and reduce friction, the cable pulley is suspended on the steel strand. Its spacing is related to the weight of the cable unit length, generally installed every 2~3m distance, in order not to make the cable sag touch the ground as the principle, the cable pulley into a straight line installation. The wire mesh sheath is set at the end of the cable when used. 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