{"id":702,"date":"2026-08-04T13:37:08","date_gmt":"2026-08-04T05:37:08","guid":{"rendered":"https:\/\/mesen-electric.com\/?post_type=cxb_products&#038;p=702"},"modified":"2026-08-06T21:24:24","modified_gmt":"2026-08-06T13:24:24","slug":"nbr-bushings","status":"publish","type":"cxb_products","link":"https:\/\/mesen-electric.com\/fr\/products\/nbr-bushings\/","title":{"rendered":"Douilles BR"},"content":{"rendered":"<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Travers\u00e9es de transformateur<\/strong>&nbsp;constituent les principaux dispositifs d'isolation \u00e0 l'ext\u00e9rieur du r\u00e9servoir du transformateur. Ils servent \u00e0 acheminer les fils d'enroulement du transformateur de l'int\u00e9rieur du r\u00e9servoir d'huile vers l'ext\u00e9rieur, tout en assurant l'isolation entre ces fils et la terre et en les maintenant en place. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Types courants : &nbsp;<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Pure porcelain bushing: Mostly used for 10kV and below, the porcelain sleeve has air insulation inside. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Oil-filled bushing: Mostly used for 35kV level, the porcelain sleeve is filled with oil, and the copper rod is wrapped with insulating paper. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Capacitor bushing: Used for high voltage above 100kV, made of an oil-paper capacitor core, porcelain parts, oil reservoir, spring, etc., with the main insulation being the capacitor core. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Principales fonctionnalit\u00e9s : &nbsp;<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Electrical insulation: Prevents electrical breakdown between the lead and the transformer casing, oil tank, or other grounded parts. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Mechanical support: Supports and holds the lead in place, preventing it from loosening or getting damaged during operation. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Current-carrying path: Conducts load current during normal operation and withstands short-circuit current during faults. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Sealing protection: Fully sealed structure prevents internal insulation from moisture or contamination, extending its lifespan. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applications : &nbsp;<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Distribution transformers: Mostly use pure porcelain or resin bushings. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Medium\/high voltage transformers: Mostly use oil-filled or capacitor bushings. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Special requirements: Can integrate a current transformer (bushing CT) for measurement and protection.<\/p>","protected":false},"excerpt":{"rendered":"<p>Transformer bushings&nbsp;are the main insulation devices outside the transformer tank. They are used to bring the transformer winding leads from [&hellip;]<\/p>\n","protected":false},"featured_media":1028,"menu_order":0,"template":"","cxb_product_category":[30,17],"cxb_product_tag":[],"class_list":["post-702","cxb_products","type-cxb_products","status-publish","has-post-thumbnail","hentry","cxb_product_category-br-bushings","cxb_product_category-transformer-bushing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>transformer accessories, transformer bushings, transformer components, Mesen Electric, power transformer parts, relay, oil level gauge, transformer breather, pressure relief valve, butterfly valve, tap changer, on load tap changer, insulation materials, transformer terminals, silicon steel, electrical steel, distribution transformer accessories,high voltage bushing, low voltage bushing, dehydrating breather, oil level indicator, globe valve, gate valve, transformer insulation, CRGO silicon steel, electrical terminals, transformer protection devices_Transformer Accessories Manufacturer_Transformer Accessories Plant_Transformer Accessories Factory<\/title>\n<meta name=\"description\" content=\"transformer accessories, transformer bushings, transformer components, Mesen Electric, power transformer parts, relay, oil level gauge, transformer breather, pressure relief valve, butterfly valve, tap changer, on load tap changer, insulation materials, transformer terminals, silicon steel, electrical steel, distribution transformer accessories,high voltage bushing, low voltage bushing, dehydrating breather, oil level indicator, globe valve, gate valve, transformer insulation, CRGO silicon steel, electrical terminals, transformer protection devices_Transformer Accessories Manufacturer_Transformer Accessories Plant_Transformer Accessories Factory\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mesen-electric.com\/fr\/produits\/nbr-bushings\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"transformer accessories, transformer bushings, transformer components, Mesen Electric, power transformer parts, relay, oil level gauge, transformer breather, pressure relief valve, butterfly valve, tap changer, on load tap changer, insulation materials, transformer terminals, silicon steel, electrical steel, distribution transformer accessories,high voltage bushing, low voltage bushing, dehydrating breather, oil level indicator, globe valve, gate valve, transformer insulation, CRGO silicon steel, electrical terminals, transformer protection devices_Transformer Accessories Manufacturer_Transformer Accessories Plant_Transformer Accessories Factory\" \/>\n<meta property=\"og:description\" content=\"transformer accessories, transformer bushings, transformer components, Mesen Electric, power transformer parts, relay, oil level gauge, transformer breather, pressure relief valve, butterfly valve, tap changer, on load tap changer, insulation materials, transformer terminals, silicon steel, electrical steel, distribution transformer accessories,high voltage bushing, low voltage bushing, dehydrating breather, oil level indicator, globe valve, gate valve, transformer insulation, CRGO silicon steel, electrical terminals, transformer protection devices_Transformer Accessories Manufacturer_Transformer Accessories Plant_Transformer Accessories Factory\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mesen-electric.com\/fr\/produits\/nbr-bushings\/\" \/>\n<meta property=\"og:site_name\" content=\"Mesen Electric _ Transformer Accessories Manufacturer_Transformer Accessories &amp; 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