{"id":1014,"date":"2026-08-06T21:17:06","date_gmt":"2026-08-06T13:17:06","guid":{"rendered":"https:\/\/mesen-electric.com\/?post_type=cxb_products&p=1014"},"modified":"2026-08-06T21:17:08","modified_gmt":"2026-08-06T13:17:08","slug":"br-bushings","status":"publish","type":"cxb_products","link":"https:\/\/mesen-electric.com\/fr\/products\/br-bushings\/","title":{"rendered":"Douilles BR"},"content":{"rendered":"

Travers\u00e9es de transformateur<\/strong> 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.  <\/p>\n\n\n\n

Types courants :  <\/strong><\/strong><\/p>\n\n\n\n

\u2013 Manchon en porcelaine pure : principalement utilis\u00e9 pour les tensions inf\u00e9rieures ou \u00e9gales \u00e0 10 kV, ce manchon en porcelaine comporte une isolation \u00e0 air \u00e0 l'int\u00e9rieur.  <\/p>\n\n\n\n

\u2013 Travers\u00e9e \u00e0 huile : principalement utilis\u00e9e pour la tension de 35 kV, la douille en porcelaine est remplie d'huile et la tige en cuivre est envelopp\u00e9e de papier isolant.  <\/p>\n\n\n\n

\u2013 Travers\u00e9e de condensateur : utilis\u00e9e pour les hautes tensions sup\u00e9rieures \u00e0 100 kV, elle est compos\u00e9e d\u2019un noyau de condensateur en papier impr\u00e9gn\u00e9 d\u2019huile, de pi\u00e8ces en porcelaine, d\u2019un r\u00e9servoir d\u2019huile, d\u2019un ressort, etc., l\u2019isolation principale \u00e9tant assur\u00e9e par le noyau du condensateur.  <\/p>\n\n\n\n

Principales fonctionnalit\u00e9s :  <\/strong><\/strong><\/p>\n\n\n\n

\u2013 Isolation \u00e9lectrique : emp\u00eache toute d\u00e9charge \u00e9lectrique entre le c\u00e2ble et le bo\u00eetier du transformateur, le r\u00e9servoir d'huile ou toute autre pi\u00e8ce mise \u00e0 la terre.  <\/p>\n\n\n\n

\u2013 Support m\u00e9canique : maintient le fil en place, l'emp\u00eachant ainsi de se desserrer ou d'\u00eatre endommag\u00e9 pendant le fonctionnement.  <\/p>\n\n\n\n

\u2013 Circuit de transport du courant : il achemine le courant de charge en fonctionnement normal et r\u00e9siste au courant de court-circuit en cas de d\u00e9faut.  <\/p>\n\n\n\n

\u2013 Protection \u00e9tanche : la structure enti\u00e8rement \u00e9tanche prot\u00e8ge l'isolation interne de l'humidit\u00e9 et de toute contamination, ce qui prolonge sa dur\u00e9e de vie.  <\/p>\n\n\n\n

Applications :  <\/strong><\/strong><\/p>\n\n\n\n

\u2013 Transformateurs de distribution : ils utilisent principalement des travers\u00e9es en porcelaine pure ou en r\u00e9sine.  <\/p>\n\n\n\n

\u2013 Transformateurs moyenne\/haute tension : ils utilisent principalement des travers\u00e9es \u00e0 huile ou \u00e0 condensateur.  <\/p>\n\n\n\n

\u2013 Exigences particuli\u00e8res : permet l'int\u00e9gration d'un transformateur de courant (TC de travers\u00e9e) \u00e0 des fins de mesure et de protection.<\/p>","protected":false},"excerpt":{"rendered":"

Transformer bushings are the main insulation devices outside the transformer tank. They are used to bring the transformer winding leads from […]<\/p>\n","protected":false},"featured_media":1015,"menu_order":0,"template":"","cxb_product_category":[30],"cxb_product_tag":[],"class_list":["post-1014","cxb_products","type-cxb_products","status-publish","has-post-thumbnail","hentry","cxb_product_category-br-bushings"],"yoast_head":"\ntransformer 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 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