{"id":1592,"date":"2019-09-04T08:47:40","date_gmt":"2019-09-04T08:47:40","guid":{"rendered":"https:\/\/www.sediver.com\/case_studies\/345-kv-transmission-line-upgrade-usa\/"},"modified":"2019-10-09T09:51:35","modified_gmt":"2019-10-09T09:51:35","slug":"mise-a-niveau-de-la-ligne-de-transport-345-kv-usa","status":"publish","type":"case_studies","link":"https:\/\/www.sediver.com\/fr\/etudes-de-cas\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\/","title":{"rendered":"Mise \u00e0 niveau de la ligne de transport 345 kV | USA"},"content":{"rendered":"<div class=\"lazyblock-accroche-Z29A80Y wp-block-lazyblock-accroche\"><p class=\"accroche\">D\u00e9terminer la cause des contournements d&rsquo;une ancienne ligne 345 kV<\/p><\/div>\n\n\n<h2 class=\"wp-block-heading\">Le d\u00e9fi client  <\/h2>\n\n\n\n<p>La ligne \u00e0 345 kV souffrait de probl\u00e8mes r\u00e9currents de contournement dus \u00e0 des probl\u00e8mes de conception initiale et \u00e0 de vieux isolateurs en porcelaine, dont une partie n&rsquo;\u00e9tait plus fiable. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"> La contribution de Sediver <\/h2>\n\n\n\n<p>SEDIVER a r\u00e9alis\u00e9 une \u00e9tude approfondie avec des essais dans son laboratoire Ultra Haute Tension de Bazet avec des cha\u00eenes compl\u00e8tes, utilisant diff\u00e9rentes configurations et jouant avec le choix des isolateurs pour optimiser la distance de la cha\u00eene centrale en V. Une solution finale a \u00e9t\u00e9 propos\u00e9e au client pour examen dans le cadre d&rsquo;un futur plan de remise \u00e0 niveau. <\/p>\n","protected":false},"featured_media":2925,"template":"","class_list":["post-1592","case_studies","type-case_studies","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mise \u00e0 niveau de la ligne de transport 345 kV | USA - 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\/etudes-de-cas\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mise \u00e0 niveau de la ligne de transport 345 kV | USA - Sediver\" \/>\n<meta property=\"og:description\" content=\"Le d\u00e9fi client La ligne \u00e0 345 kV souffrait de probl\u00e8mes r\u00e9currents de contournement dus \u00e0 des probl\u00e8mes de conception initiale et \u00e0 de vieux isolateurs en porcelaine, dont une partie n&rsquo;\u00e9tait plus fiable. La contribution de Sediver SEDIVER a r\u00e9alis\u00e9 une \u00e9tude approfondie avec des essais dans son laboratoire Ultra Haute Tension de Bazet [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sediver.com\/fr\/etudes-de-cas\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\/\" \/>\n<meta property=\"og:site_name\" content=\"Sediver\" \/>\n<meta property=\"article:modified_time\" content=\"2019-10-09T09:51:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sediver.com\/wp-content\/uploads\/Sediver345kVTransmissionlineupgradeUSA.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"420\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/\",\"url\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/\",\"name\":\"Mise \u00e0 niveau de la ligne de transport 345 kV | USA - Sediver\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sediver.com\\\/wp-content\\\/uploads\\\/Sediver345kVTransmissionlineupgradeUSA.jpg\",\"datePublished\":\"2019-09-04T08:47:40+00:00\",\"dateModified\":\"2019-10-09T09:51:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.sediver.com\\\/wp-content\\\/uploads\\\/Sediver345kVTransmissionlineupgradeUSA.jpg\",\"contentUrl\":\"https:\\\/\\\/www.sediver.com\\\/wp-content\\\/uploads\\\/Sediver345kVTransmissionlineupgradeUSA.jpg\",\"width\":1250,\"height\":420},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/etudes-de-cas\\\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mise \u00e0 niveau de la ligne de transport 345 kV | USA\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/\",\"name\":\"Sediver\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.sediver.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Mise \u00e0 niveau de la ligne de transport 345 kV | USA - Sediver","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sediver.com\/fr\/etudes-de-cas\/mise-a-niveau-de-la-ligne-de-transport-345-kv-usa\/","og_locale":"fr_FR","og_type":"article","og_title":"Mise \u00e0 niveau de la ligne de transport 345 kV | USA - Sediver","og_description":"Le d\u00e9fi client La ligne \u00e0 345 kV souffrait de probl\u00e8mes r\u00e9currents de contournement dus \u00e0 des probl\u00e8mes de conception initiale et \u00e0 de vieux isolateurs en porcelaine, dont une partie n&rsquo;\u00e9tait plus fiable. 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