{"id":14019,"date":"2026-02-26T08:34:00","date_gmt":"2026-02-26T08:34:00","guid":{"rendered":"https:\/\/www.sediver.com\/actualites\/asset-management-evaluation-of-old-insulators\/"},"modified":"2026-02-27T08:38:55","modified_gmt":"2026-02-27T08:38:55","slug":"asset-management-evaluation-of-old-insulators","status":"publish","type":"post","link":"https:\/\/www.sediver.com\/fr\/actualites\/asset-management-evaluation-of-old-insulators\/","title":{"rendered":"Asset Management: Evaluation of Old Insulators"},"content":{"rendered":"\n<p>This article presents a technical approach to asset management in transmission lines, focusing on the evaluation of the longevity of toughened glass insulators withdrawn from service after more than 40 years of operation in humid tropical environments in Brazil.<\/p>\n\n\n\n<p>This publication complements several previous studies conducted in non-tropical regions. As is well known, tropical regions, characterized by high humidity and elevated temperatures, are particularly aggressive toward materials, especially when these are subjected to high electrical stress.<\/p>\n\n\n\n<p>All insulators tested had been in service for more than 40. Among them 75% were installed in 500kV systems.<\/p>\n\n\n\n<p>The document also includes results from analysis reports on porcelain and composite insulators.<\/p>\n\n\n\n<p>Due to the specific characteristics of Brazil\u2019s transmission network, the document focuses on the SIN (National Interconnected System), which is the system adopted throughout the country.<\/p>\n\n\n\n<p>To read the paper click on this link. (<a href=\"https:\/\/www.sediver.com\/wp-content\/uploads\/19325-Asset-Management.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.sediver.com\/wp-content\/uploads\/19325-Asset-Management.pdf<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This article presents a technical approach to asset management in transmission lines, focusing on the evaluation of the longevity of toughened glass insulators withdrawn from service after more than 40 years of operation in humid tropical environments in Brazil. This publication complements several previous studies conducted in non-tropical regions. As is well known, tropical regions, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13998,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-14019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Asset Management: Evaluation of Old Insulators - Sediver<\/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:\/\/www.sediver.com\/fr\/actualites\/asset-management-evaluation-of-old-insulators\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Asset Management: Evaluation of Old Insulators - Sediver\" \/>\n<meta property=\"og:description\" content=\"This article presents a technical approach to asset management in transmission lines, focusing on the evaluation of the longevity of toughened glass insulators withdrawn from service after more than 40 years of operation in humid tropical environments in Brazil. 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