{"id":1039,"date":"2026-08-06T21:35:25","date_gmt":"2026-08-06T13:35:25","guid":{"rendered":"https:\/\/mesen-electric.com\/?post_type=cxb_products&#038;p=1039"},"modified":"2026-08-06T21:35:27","modified_gmt":"2026-08-06T13:35:27","slug":"en-bushings-4","status":"publish","type":"cxb_products","link":"https:\/\/mesen-electric.com\/zh\/products\/en-bushings-4\/","title":{"rendered":"EN \u886c\u5957"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Transformer bushings<\/strong>&nbsp;are the main insulation devices outside the transformer tank. They are used to bring the transformer winding leads from inside the oil tank to the outside, while also providing insulation between the leads and the ground and holding the leads in place. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common types: &nbsp;<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 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\">\u2013 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\">\u2013 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>Main functions: &nbsp;<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 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\">\u2013 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\">\u2013 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\">\u2013 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\">\u2013 Distribution transformers: Mostly use pure porcelain or resin bushings. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 Medium\/high voltage transformers: Mostly use oil-filled or capacitor bushings. &nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 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":1040,"menu_order":0,"template":"","cxb_product_category":[29],"cxb_product_tag":[],"class_list":["post-1039","cxb_products","type-cxb_products","status-publish","has-post-thumbnail","hentry","cxb_product_category-en-bushings"],"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\/zh\/\u4ea7\u54c1\/en-bushings-4\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\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\/zh\/\u4ea7\u54c1\/en-bushings-4\/\" \/>\n<meta property=\"og:site_name\" content=\"Mesen Electric _ Transformer Accessories Manufacturer_Transformer Accessories &amp; 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