{"id":4432,"date":"2026-09-21T05:29:04","date_gmt":"2026-09-21T05:29:04","guid":{"rendered":"https:\/\/www.jycomat.com\/?p=4432"},"modified":"2026-09-21T05:29:05","modified_gmt":"2026-09-21T05:29:05","slug":"whether-high-grade-electrical-steel-cores-need-to-be-replaced-for-energy-efficiency-upgrading-of-old-transformers","status":"publish","type":"post","link":"https:\/\/www.jycomat.com\/bg\/whether-high-grade-electrical-steel-cores-need-to-be-replaced-for-energy-efficiency-upgrading-of-old-transformers\/","title":{"rendered":"Whether High-Grade Electrical Steel Cores Need to Be Replaced for Energy Efficiency Upgrading of Old Transformers"},"content":{"rendered":"<p>Energy efficiency upgrading of old transformers usually needs replacement of high-grade electrical steel cores. Old equipment steel cores have aging performance and backward parameters.<\/p>\n<p>Old transformers mostly adopt ordinary low-grade oriented steel. Their original iron loss indexes are far higher than current energy-saving standards. Long-term operation aggravates magnetic aging. Loss exceeds standard seriously.<\/p>\n<p>Retaining old cores cannot meet new energy efficiency grades. Even after routine maintenance, aging steel loss cannot be reduced. Equipment cannot pass new energy-saving detection standards.<\/p>\n<p>Replacing with high-grade HiB or laser scribed steel achieves obvious energy-saving effect. New ultra-low loss steel reduces no-load loss by 20% to 40%. It realizes S13 or higher energy efficiency upgrading.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4193 size-medium\" src=\"https:\/\/www.jycomat.com\/wp-content\/uploads\/2026\/09\/Grain-Oriented-Electrical-Steel-15-1-500x167.webp\" alt=\"\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0430 \u0441\u0442\u043e\u043c\u0430\u043d\u0430\" width=\"500\" height=\"167\" srcset=\"https:\/\/www.jycomat.com\/wp-content\/uploads\/2026\/09\/Grain-Oriented-Electrical-Steel-15-1-500x167.webp 500w, https:\/\/www.jycomat.com\/wp-content\/uploads\/2026\/09\/Grain-Oriented-Electrical-Steel-15-1-300x100.webp 300w, https:\/\/www.jycomat.com\/wp-content\/uploads\/2026\/09\/Grain-Oriented-Electrical-Steel-15-1-768x256.webp 768w, https:\/\/www.jycomat.com\/wp-content\/uploads\/2026\/09\/Grain-Oriented-Electrical-Steel-15-1-18x6.webp 18w, https:\/\/www.jycomat.com\/wp-content\/uploads\/2026\/09\/Grain-Oriented-Electrical-Steel-15-1.webp 1024w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Core replacement reduces long-term operation costs. Old transformers consume massive standby power every year. New high-efficiency cores save huge power consumption costs.<\/p>\n<p>It also improves equipment operation stability. New electrical steel has high anti-aging performance. It avoids performance attenuation caused by aging. It extends transformer service life.<\/p>\n<p>For slightly aging equipment, local core repair is optional. For seriously aging and high-loss old cores, overall replacement is the only effective upgrading method.<\/p>\n<p>In conclusion, old transformer energy efficiency upgrading relies on high-grade electrical steel core replacement. It is the most direct and effective technical transformation measure.<\/p>","protected":false},"excerpt":{"rendered":"<p>Energy efficiency upgrading of old transformers usually needs replacement of high-grade electrical steel cores. Old equipment steel cores have aging performance and backward parameters. Old transformers mostly adopt ordinary low-grade oriented steel. Their original iron loss indexes are far higher than current energy-saving standards. Long-term operation aggravates magnetic aging. Loss exceeds standard seriously. Retaining old [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2873,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-4432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Whether High-Grade Electrical Steel Cores Need to Be Replaced for Energy Efficiency Upgrading of Old Transformers - Zhongtongweiye<\/title>\n<meta name=\"description\" content=\"Whether High-Grade Electrical Steel Cores Need to Be Replaced for Energy Efficiency Upgrading of Old Transformers Read this article to learn about Silicon Steel . 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Old equipment steel cores have aging performance and backward parameters. Old transformers mostly adopt ordinary low-grade oriented steel. Their original iron loss indexes are far higher than current energy-saving standards. Long-term operation aggravates magnetic aging. Loss exceeds standard seriously. Retaining old&hellip;","_links":{"self":[{"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/posts\/4432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/comments?post=4432"}],"version-history":[{"count":1,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/posts\/4432\/revisions"}],"predecessor-version":[{"id":4434,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/posts\/4432\/revisions\/4434"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/media\/2873"}],"wp:attachment":[{"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/media?parent=4432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/categories?post=4432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jycomat.com\/bg\/wp-json\/wp\/v2\/tags?post=4432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}