{"id":10794,"date":"2026-08-29T23:43:15","date_gmt":"2026-08-29T15:43:15","guid":{"rendered":"https:\/\/q8bbzjnpm5.wpdns.site\/?p=10794"},"modified":"2026-08-29T23:43:15","modified_gmt":"2026-08-29T15:43:15","slug":"new-trends-emerge-in-the-development-of-the-oil-immersed-transfor","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ar\/news\/new-trends-emerge-in-the-development-of-the-oil-immersed-transfor\/","title":{"rendered":"\u062a\u0638\u0647\u0631 \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u062c\u062f\u064a\u062f\u0629 \u0641\u064a \u062a\u0637\u0648\u064a\u0631 \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 \u0628\u0627\u0644\u0632\u064a\u062a"},"content":{"rendered":"<p>\u064a\u0642\u0648\u0645 \u0645\u062f\u064a\u0631 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0641\u064a \u0634\u0631\u0643\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0628\u062a\u062d\u0644\u064a\u0644 \u062b\u0644\u0627\u062b\u0629 \u0639\u0631\u0648\u0636 \u0642\u062f\u0645\u062a\u0647\u0627 \u0627\u0644\u0634\u0631\u0643\u0629 \u0644\u0639\u0642\u062f \u064a\u062a\u0636\u0645\u0646 250 \u0645\u062d\u0648\u0644\u064b\u0627. \u0642\u062f\u0645 \u0627\u0644\u0639\u0627\u0631\u0636 \u0627\u0644\u0623\u0648\u0644 \u0623\u0633\u0639\u0627\u0631\u064b\u0627 \u0644\u0645\u062d\u0648\u0651\u0644\u0627\u062a S11 \u0648\u064a\u0642\u062f\u0645 \u0623\u0642\u0644 \u0639\u0631\u0636. \u0642\u062f\u0645 \u0627\u0644\u0639\u0627\u0631\u0636 \u0627\u0644\u062b\u0627\u0646\u064a \u0627\u0642\u062a\u0631\u0627\u062d\u064b\u0627 \u0644\u0645\u062d\u0648\u0651\u0644\u0627\u062a \u0630\u0627\u062a \u0646\u0648\u0627\u0629 \u063a\u064a\u0631 \u0645\u062a\u0628\u0644\u0648\u0631\u0629 \u0648\u0648\u0639\u062f \u0628\u0623\u0646 \u064a\u062a\u0645 \u0633\u062f\u0627\u062f \u0627\u0644\u0641\u0631\u0642 \u0641\u064a \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0641\u064a \u063a\u0636\u0648\u0646 14 \u0634\u0647\u0631\u064b\u0627 \u0641\u0642\u0637. \u064a\u062f\u0639\u064a \u0627\u0644\u0639\u0627\u0631\u0636 \u0627\u0644\u062b\u0627\u0644\u062b \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u062a\u0648\u0641\u064a\u0631 \u0645\u062d\u0648\u0644\u0627\u062a \u0645\u0645\u0644\u0648\u0621\u0629 \u0628\u0627\u0644\u0625\u0633\u062a\u0631 \u0648\u0645\u062c\u0647\u0632\u0629 \u0628\u0645\u0631\u0627\u0642\u0628\u0629 DGA \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a. \u0641\u064a \u0627\u0644\u0645\u0627\u0636\u064a\u060c \u0643\u0627\u0646 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062d\u064a\u0644 \u0641\u0642\u062f\u0627\u0646 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0645\u0646\u0627\u0642\u0635\u0629 \u0625\u0630\u0627 \u0642\u062f\u0645\u062a \u0623\u0642\u0644 \u0633\u0639\u0631. \u0627\u0644\u064a\u0648\u0645\u060c \u064a\u062a\u0637\u0644\u0639 \u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0645\u062c\u0644\u0633 \u0625\u0644\u0649 \u0645\u0639\u0631\u0641\u0629 \u062a\u0643\u0644\u0641\u0629 \u0627\u0645\u062a\u0644\u0627\u0643 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062e\u0644\u0627\u0644 \u0627\u0644\u0640 25 \u0639\u0627\u0645\u064b\u0627 \u0627\u0644\u0642\u0627\u062f\u0645\u0629\u060c \u0648\u0645\u0627 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0630\u064a \u0633\u062a\u062d\u062f\u062b\u0647 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0648\u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0647\u0630\u0647 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a.<\/p>\n<p>\u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629\u060c \u0633\u0646\u062d\u0644\u0644 \u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u063a\u064a\u0631 \u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 \u0628\u0627\u0644\u0632\u064a\u062a \u0627\u0644\u064a\u0648\u0645\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0644\u0648\u0627\u0626\u062d \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0632\u064a\u0648\u062a \u0627\u0644\u0635\u062f\u064a\u0642\u0629 \u0644\u0644\u0628\u064a\u0626\u0629\u060c \u0648\u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629\u060c \u0648\u0623\u0633\u0639\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0648\u0627\u0644\u062a\u063a\u064a\u0631\u0627\u062a \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u062a\u0648\u0631\u064a\u062f.<\/p>\n<blockquote><p>\u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0645\u0647\u0645\u0629 \u0641\u064a \u0635\u0646\u0627\u0639\u0629 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0647\u064a \u0643\u0645\u0627 \u064a\u0644\u064a: (1) \u062a\u0646\u0638\u064a\u0645 \u0635\u0627\u0631\u0645 \u0628\u0634\u0623\u0646 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 - \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u064a \u0648\u0636\u0639\u062a\u0647\u0627 \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0628\u064a\u0626\u064a \u0648\u0643\u0630\u0644\u0643 \u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u064a \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629 \u0648\u0645\u0639\u064a\u0627\u0631 GB 20052 \u0641\u064a \u0627\u0644\u0635\u064a\u0646 \u062f\u0641\u0639\u062a \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0625\u0644\u0649 \u0625\u0646\u062a\u0627\u062c \u0645\u062d\u0648\u0644\u0627\u062a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0639\u0627\u062f\u0646 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0628\u0644\u0648\u0631\u0629 \u0648\u0646\u0648\u0649 CRGO \u0630\u0627\u062a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u062d\u064a\u062b \u062a\u0624\u062f\u064a \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0625\u0644\u0649 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u063a\u064a\u0631 \u0627\u0644\u0645\u062d\u0645\u0644\u0629 \u0628\u0646\u0633\u0628\u0629 20-70% \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0645\u062d\u0648\u0651\u0644\u0627\u062a S9 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629\u061b (2) \u0627\u0644\u0627\u062a\u062c\u0627\u0647 \u0646\u062d\u0648 \u062a\u0637\u0628\u064a\u0642 \u0633\u0648\u0627\u0626\u0644 \u0627\u0644\u0625\u0633\u062a\u0631\u060c \u0627\u0644\u062a\u064a \u0646\u0642\u0637\u0629 \u0627\u0634\u062a\u0639\u0627\u0644\u0647\u0627 \u0623\u0639\u0644\u0649 \u0645\u0646 300\u00b0 \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0644\u0632\u064a\u062a \u0627\u0644\u0645\u0639\u062f\u0646\u064a (160\u00b0)\u061b (3) \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0645\u062b\u0644 DGA \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a\u060c \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0633\u062a\u0634\u0639\u0627\u0631 IoT\u060c \u0648\u0627\u0644\u0630\u0643\u0627\u0621 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a \u062d\u064a\u062b \u0623\u0635\u0628\u062d\u062a \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0622\u0646 \u062a\u0635\u0644 \u0625\u0644\u0649 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0633\u0639\u0627\u062a \u0627\u0644\u0623\u0642\u0644 \u0645\u0646 50 MVA \u0627\u0644\u0633\u0627\u0628\u0642\u0629\u061b (4) \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u062a\u0648\u0631\u064a\u062f - \u064a\u062a\u0645 \u0628\u0646\u0627\u0621 \u0645\u0635\u0627\u0646\u0639 \u062c\u062f\u064a\u062f\u0629 \u0641\u064a \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629\u060c \u0648\u0623\u0648\u0631\u0648\u0628\u0627\u060c \u0648\u0627\u0644\u0647\u0646\u062f\u060c \u0648\u0627\u0644\u0633\u0639\u0648\u062f\u064a\u0629\u061b (5) \u062a\u0642\u0644\u0628 \u0627\u0644\u0623\u0633\u0639\u0627\u0631.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10795\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/New-Trends-Emerge-In-The-Development-Of-The-Oil-Immersed-Transfor.webp\" alt=\"New Trends Emerge In The Development Of The Oil Immersed Transfor\" width=\"1448\" height=\"1086\" \/><\/p>\n<hr \/>\n<h2 id=\"market\">\u0633\u064a\u0627\u0642 \u0627\u0644\u0633\u0648\u0642<\/h2>\n<p>\u0633\u0648\u0642 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u0645\u064a \u0643\u0628\u064a\u0631 \u0648\u064a\u0646\u0645\u0648\u060c \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0633\u062a\u062b\u0645\u0627\u0631\u0627\u062a \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0634\u0628\u0643\u0627\u062a\u060c \u0648\u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621\u060c \u0648\u062f\u0645\u062c \u0645\u0635\u0627\u062f\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u062a\u062c\u062f\u062f\u0629. \u062a\u0642\u062f\u0631 \u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0633\u0648\u0642 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u062a\u0648\u0632\u064a\u0639\u064a\u0629 \u0628\u0640 $40 - 55 \u0645\u0644\u064a\u0627\u0631 \u0633\u0646\u0648\u064a\u064b\u0627\u060c \u0645\u0639 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0628\u0627\u0631\u0632 \u0645\u0646 MVA \u0627\u0644\u0645\u0642\u062f\u0645 \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 \u0628\u0627\u0644\u0632\u064a\u062a. \u0644\u0627 \u062a\u0632\u0627\u0644 \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0629\u060c \u0627\u0644\u062a\u064a \u062a\u063a\u0637\u064a \u062d\u0648\u0627\u0644\u064a 75\u201380% \u0645\u0646 \u062c\u0645\u064a\u0639 \u0634\u062d\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u062a\u0648\u0632\u064a\u0639\u064a\u0629\u060c \u0645\u0641\u0636\u0644\u0629 \u0644\u0623\u0646 \u0637\u0631\u064a\u0642\u0629 \u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0632\u064a\u062a \u0623\u062b\u0628\u062a\u062a \u0623\u0646\u0647\u0627 \u0627\u0642\u062a\u0635\u0627\u062f\u064a\u0629 \u062c\u062f\u064b\u0627 \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a.<\/p>\n<p>\u064a\u064f\u0644\u0627\u062d\u0638 \u0636\u064a\u0642 \u0641\u064a \u0633\u0648\u0642 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a. \u0639\u0644\u0649 \u0648\u062c\u0647 \u0627\u0644\u062e\u0635\u0648\u0635\u060c \u0627\u0645\u062a\u062f\u062a \u0623\u0648\u0642\u0627\u062a \u062a\u0633\u0644\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0645\u0646 18 \u0625\u0644\u0649 36 \u0634\u0647\u0631\u064b\u0627 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0641\u064a \u0623\u0648\u0627\u0626\u0644 \u0639\u0627\u0645 2020\u060c \u0628\u064a\u0646\u0645\u0627 \u0643\u0627\u0646\u062a \u0623\u0633\u0639\u0627\u0631 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0648\u0627\u0644\u0646\u062d\u0627\u0633 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631\u0629. \u0644\u0630\u0644\u0643\u060c \u062a\u0639\u0644\u0645\u062a \u0643\u0644 \u0645\u0646 \u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0648\u0627\u0644\u0645\u0635\u0646\u0639\u064a\u0646 \u062a\u0623\u0645\u064a\u0646 \u0627\u0644\u0633\u0639\u0629 \u0645\u0633\u0628\u0642\u064b\u0627 \u0648\u0625\u0628\u0631\u0627\u0645 \u0627\u062a\u0641\u0627\u0642\u064a\u0627\u062a \u0645\u0639 \u0627\u0644\u0645\u0646\u062a\u062c\u064a\u0646\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u062a\u0648\u062d\u064a\u062f \u0623\u0633\u0627\u0637\u064a\u0644 \u0627\u0644\u0623\u062c\u0647\u0632\u0629.<\/p>\n<h2 id=\"efficiency\">\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0643\u0641\u0627\u0621\u0629: \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u062d\u0627\u0633\u0645<\/h2>\n<p>\u064a\u064f\u0639\u062a\u0628\u0631 \u0627\u0644\u062a\u0646\u0638\u064a\u0645 \u0623\u0643\u0628\u0631 \u062a\u0623\u062b\u064a\u0631 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0642\u0637\u0627\u0639 \u0645\u0646 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0644\u0623\u0646\u0647 \u064a\u0633\u062a\u0628\u0639\u062f \u0627\u0644\u062e\u064a\u0627\u0631 \u201c\u0627\u0644\u0631\u062e\u064a\u0635 \u0648\u063a\u064a\u0631 \u0627\u0644\u0641\u0639\u0627\u0644\u201d:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0633\u0648\u0642<\/th>\n<th>\u0623\u062f\u0627\u0629<\/th>\n<th>\u062a\u0623\u062b\u064a\u0631<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a<\/td>\n<td>\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0625\u064a\u0643\u0648\u062f\u064a\u0632\u0627\u064a\u0646 548\/2014\u060c \u0627\u0644\u0645\u0639\u062f\u0644 2019\/1783<\/td>\n<td>\u062d\u062f\u0648\u062f \u062e\u0633\u0627\u0631\u0629 \u0625\u0644\u0632\u0627\u0645\u064a\u0629\u061b \u062a\u0645 \u0625\u0644\u063a\u0627\u0621 \u0627\u0644\u0641\u0626\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0641\u0639\u0627\u0644\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629<\/td>\n<td>DOE 10 CFR \u0627\u0644\u062c\u0632\u0621 431<\/td>\n<td>\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0643\u0641\u0627\u0621\u0629\u061b \u062a\u0645 \u062a\u0634\u062f\u064a\u062f \u0627\u0644\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0645\u0631\u0629 \u0623\u062e\u0631\u0649 \u0641\u064a \u0623\u0645\u0631 2022<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0635\u064a\u0646<\/td>\n<td>GB 20052-2020<\/td>\n<td>\u062f\u0631\u062c\u0627\u062a \u0643\u0641\u0627\u0621\u0629 \u0645\u0644\u0632\u0645\u0629\u061b \u064a\u062a\u0645 \u062a\u0642\u0627\u0639\u062f \u0623\u0633\u0627\u0637\u064a\u0644 S7\/S9<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0647\u0646\u062f<\/td>\n<td>\u062a\u0635\u0646\u064a\u0641 \u0643\u0641\u0627\u0621\u0629 BEE<\/td>\n<td>\u0645\u062d\u0648\u0644\u0627\u062a \u062a\u0648\u0632\u064a\u0639 \u0630\u0627\u062a \u062a\u0635\u0646\u064a\u0641 \u0646\u062c\u0645\u064a<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0645\u0642\u0631\u0636\u0648\u0646 \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0648\u0646<\/td>\n<td>\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0634\u0631\u0627\u0621 \u0627\u0644\u0623\u062e\u0636\u0631<\/td>\n<td>\u062a\u0645 \u062a\u0642\u064a\u064a\u0645 \u062a\u0648\u0641\u064a\u0631 \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0641\u064a \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0639\u0637\u0627\u0621\u0627\u062a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u0646\u062a\u0627\u0626\u062c\u060c \u064a\u0645\u0643\u0646 \u0627\u0644\u0642\u0648\u0644 \u0625\u0646\u0647 \u0641\u064a \u0623\u0648\u0631\u0648\u0628\u0627\u060c \u062e\u0644\u0642\u062a \u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0627\u062e\u062a\u0631\u0627\u0642\u064b\u0627: \u062a\u0645 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0641\u064a \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0622\u0646 \u0628\u0646\u0633\u0628\u0629 20-40% \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u0648\u0636\u0639 \u0642\u0628\u0644 \u0627\u0644\u062a\u0646\u0638\u064a\u0645. \u0641\u064a \u0627\u0644\u0635\u064a\u0646\u060c \u062c\u0639\u0644\u062a GB 20052-2020 \u062f\u0631\u062c\u0627\u062a \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u062c\u0632\u0621\u064b\u0627 \u0645\u0646 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0639\u0637\u0627\u0621 \u0645\u0645\u0627 \u0623\u062f\u0649 \u0625\u0644\u0649 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u0646 \u0633\u0644\u0633\u0644\u0629 S9 \u0625\u0644\u0649 S11 \u0648S13 \u0648\u0627\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0628\u0644\u0648\u0631\u0629. \u0648\u0646\u062a\u064a\u062c\u0629 \u0644\u0630\u0644\u0643\u060c \u0644\u0645 \u064a\u0639\u062f \u064a\u0647\u0645 \u0623\u064a \u0634\u062e\u0635 \u0645\u0639\u0646\u064a \u0628\u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u062c\u0647\u0627\u0632 \u201c\u0641\u0639\u0627\u0644\u064b\u0627 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u0637\u0627\u0642\u0629\u201d \u0623\u0645 \u0644\u0627 \u0644\u0623\u0646\u0647 \u0623\u0635\u0628\u062d \u0627\u0644\u0622\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0648\u0627\u0644\u0645\u062a\u0637\u0644\u0628 \u0627\u0644\u0625\u0644\u0632\u0627\u0645\u064a.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10796\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Materials-Amorphous-CRGO-and-Price-Volatility.webp\" alt=\"Materials Amorphous, CRGO, and Price Volatility\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"materials\">\u0627\u0644\u0645\u0648\u0627\u062f: \u063a\u064a\u0631 \u0645\u062a\u0628\u0644\u0648\u0631\u060c CRGO\u060c \u0648\u062a\u0642\u0644\u0628 \u0627\u0644\u0623\u0633\u0639\u0627\u0631<\/h2>\n<p>\u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u062a\u062d\u062f\u062f \u062e\u0633\u0627\u0626\u0631 \u0639\u062f\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0648\u062a\u062d\u062f\u062f \u0627\u0644\u0646\u063a\u0645\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u0635\u0646\u0627\u0639\u0629.<\/p>\n<ul>\n<li>CRGO \u0627\u0644\u0639\u0627\u062f\u064a (\u0645\u062b\u0644 30ZH120): \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0645\u062d\u0648\u0644\u0627\u062a S11 \u0644\u0643\u0646\u0647\u0627 \u063a\u064a\u0631 \u0641\u0639\u0627\u0644\u0629 \u0641\u064a \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0648\u0627\u0644\u062a\u0643\u0644\u0641\u0629.<\/li>\n<li>CRGO \u0639\u0627\u0644\u064a \u0627\u0644\u0646\u0641\u0627\u0630\u064a\u0629 \u0645\u0642\u0637\u0648\u0639 \u0628\u0627\u0644\u0644\u064a\u0632\u0631 (27ZH090 \u0625\u0644\u0649 110): \u064a\u0642\u0644\u0644 \u0645\u0646 \u062e\u0633\u0627\u0626\u0631 \u0627\u0644\u0642\u0644\u0628 \u0628\u0646\u0633\u0628\u0629 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 10 \u064820 \u0641\u064a \u0627\u0644\u0645\u0626\u0629 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0639\u0627\u062f\u064a\u0629 \u0648\u064a\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0645\u062d\u0648\u0644\u0627\u062a S13 \u0648\u0645\u062d\u0648\u0644\u0627\u062a S11 \u0630\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0644\u064a \u0646\u0633\u0628\u064a\u064b\u0627.<\/li>\n<li>\u0627\u0644\u0634\u0631\u064a\u0637 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0628\u0644\u0648\u0631: \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u062e\u0633\u0627\u0631\u0629 \u062d\u0627\u0644\u064a\u064b\u0627 \u0623\u0642\u0644 \u0628\u0646\u0633\u0628\u0629 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 60 \u064870 \u0641\u064a \u0627\u0644\u0645\u0626\u0629 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0640 CRGO \u0627\u0644\u0639\u0627\u062f\u064a \u0648\u0644\u0647 \u0623\u0647\u0645\u064a\u0629 \u0645\u062a\u0632\u0627\u064a\u062f\u0629 \u0641\u064a \u0646\u0637\u0627\u0642 \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u062d\u062a\u0649 \u062d\u0648\u0627\u0644\u064a 2500kVA \u0648\u0645\u0627 \u0641\u0648\u0642.<\/li>\n<\/ul>\n<p>\u062a\u0624\u062b\u0631 \u062a\u0643\u0627\u0644\u064a\u0641 \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0627\u062f \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0628\u0623\u0643\u0645\u0644\u0647\u0627 \u062d\u064a\u062b \u062a\u0642\u0644\u0628\u062a \u0623\u0633\u0639\u0627\u0631 \u0635\u0641\u0627\u0626\u062d \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0645\u0648\u062c\u0647\u0629 \u0645\u0646 20 \u0625\u0644\u0649 40% \u0641\u064a \u0627\u0644\u0633\u0646\u0629 \u0648\u0647\u0646\u0627\u0643 \u0639\u062f\u062f \u0642\u0644\u064a\u0644 \u062c\u062f\u064b\u0627 \u0645\u0646 \u0645\u0646\u062a\u062c\u064a \u0627\u0644\u0623\u0634\u0631\u0637\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0628\u0644\u0648\u0631\u0629.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0645\u0627\u062f\u0629 \u0627\u0644\u0642\u0644\u0628<\/th>\n<th>\u062e\u0633\u0627\u0631\u0629 \u0639\u062f\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0640 S9<\/th>\n<th>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/th>\n<th>\u0645\u0644\u0627\u062d\u0638\u0629 \u0627\u0644\u062a\u0648\u0631\u064a\u062f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CRGO \u0627\u0644\u0642\u064a\u0627\u0633\u064a (30ZH120)<\/td>\n<td>\u221230-40% (\u0645\u0633\u062a\u0648\u0649 S11)<\/td>\n<td>\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u062c\u0645<\/td>\n<td>\u0645\u062a\u0627\u062d \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639<\/td>\n<\/tr>\n<tr>\n<td>CRGO \u0639\u0627\u0644\u064a \u0627\u0644\u0646\u0641\u0627\u0630\u064a\u0629 (27ZH090\u2013110)<\/td>\n<td>\u221240\u201350% (\u0645\u0633\u062a\u0648\u0649 S13)<\/td>\n<td>\u062a\u0648\u0632\u064a\u0639 \u0645\u062a\u0645\u064a\u0632\u060c \u0637\u0627\u0642\u0629<\/td>\n<td>\u062a\u062a\u0623\u0631\u062c\u062d \u0627\u0644\u0623\u0633\u0639\u0627\u0631 20\u201340% \u0633\u0646\u0648\u064a\u064b\u0627<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0634\u0631\u064a\u0637 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0628\u0644\u0648\u0631<\/td>\n<td>\u221260\u201370%<\/td>\n<td>\u062a\u0648\u0632\u064a\u0639 \u0639\u0627\u0644\u064a \u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0645\u0644<\/td>\n<td>\u0639\u062f\u062f \u0642\u0644\u064a\u0644 \u0645\u0646 \u0627\u0644\u0645\u0646\u062a\u062c\u064a\u0646\u061b \u0645\u062f\u062e\u0644 \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a<\/td>\n<\/tr>\n<tr>\n<td>\u063a\u064a\u0631 \u0645\u062a\u0628\u0644\u0648\u0631 \u0647\u062c\u064a\u0646 + CRGO<\/td>\n<td>\u221235\u201350%<\/td>\n<td>Cost-optimized low loss<\/td>\n<td>Design-dependent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>A transformer with a capacity of 10 MVA generally has around 4\u20136 tons of copper; thus, a $1,000\/ton rise in copper price affects the cost of the transformer by $4,000\u20136,000. As a result, price quotations for the power transformer industry are valid for 15\u201345 days and clients use fixed-price purchase orders to hedge against price fluctuations.<\/p>\n<h2 id=\"fluids\">Fluids: The Rise of Esters<\/h2>\n<p>Even though ester fluids are frequently regarded as the main element in the areas where regulations or risk management are key, mineral oil continues to be the leading product in the market today.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0633\u0627\u0626\u0644<\/th>\n<th>\u0646\u0642\u0637\u0629 \u0627\u0644\u0627\u0634\u062a\u0639\u0627\u0644<\/th>\n<th>Share of new projects (est.)<\/th>\n<th>Typical price premium<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0632\u064a\u062a \u0645\u0639\u062f\u0646\u064a<\/td>\n<td>~160 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<td>75\u201385%<\/td>\n<td>\u062e\u0637 \u0627\u0644\u0623\u0633\u0627\u0633<\/td>\n<\/tr>\n<tr>\n<td>\u0625\u0633\u062a\u0631 \u0637\u0628\u064a\u0639\u064a<\/td>\n<td>&gt;300 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<td>10\u201315% and rising<\/td>\n<td>+30\u201360%<\/td>\n<\/tr>\n<tr>\n<td>\u0625\u0633\u062a\u0631 \u0635\u0646\u0627\u0639\u064a<\/td>\n<td>&gt;300 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<td>3\u20138%<\/td>\n<td>+60\u2013100%<\/td>\n<\/tr>\n<tr>\n<td>High-temp mineral<\/td>\n<td>~300 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<td>2\u20135%<\/td>\n<td>+20\u201340%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ester fluids find acceptance mainly due to three factors: insurers offer discounts on K-class fluids in substations, environmental agencies advocate for ester units where mineral oil would be banned, and the slower process of paper aging in esters (increased moisture absorption in the fluid instead of paper). The barriers to entry include a higher price, viscosity at low temperatures, and the smaller amount of operational experience in the industry; however, all signs show that ester fluids will continue gaining market share particularly in Europe and North America.<\/p>\n<h2 id=\"digital\">Digitalization and Monitoring<\/h2>\n<p>A trend that is noticeable is the decreasing size of monitoring technology. With the modification of generators, online DGA is now available on transformers for medium voltage applications, as well. Hydrogen monitors for entry-level machines are available for $1500 to $4000, and multi-gas analyzers for approximately $8000 to $40000. IoT gateways are capable of transmitting load, temperature, oil level, and tap position data to SCADA or cloud services.<\/p>\n<ul>\n<li>AI diagnostics make it possible to identify problems weeks or months ahead of ratio interpretation.<\/li>\n<li>Digital twins assist with the calculation of hot spots and life expectancy according to the IEC 60076-7 regulations in real-time.<\/li>\n<\/ul>\n<p>The economic rationale is simple. DGA for a 10 MVA charged at $200-600 per annum, while the unplanned failure that happens has expenses of $200000-$1000000. Hence, every small improvement in failure rate much more than pays for the monitoring equipment. One can see that the only question that improves is what level of monitoring for the particular group of assets should be used.<\/p>\n<table>\n<thead>\n<tr>\n<th>Asset class<\/th>\n<th>Recommended monitoring<\/th>\n<th>Typical annual cost<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Distribution &lt;2 MVA<\/td>\n<td>Annual lab DGA<\/td>\n<td>$150-$400<\/td>\n<\/tr>\n<tr>\n<td>Distribution 2-10 MVA<\/td>\n<td>Annual DGA + basic H2 monitor on critical units<\/td>\n<td>$200-$600 + $1,500-$4,000 (one-off)<\/td>\n<\/tr>\n<tr>\n<td>Power 10-40 MVA<\/td>\n<td>Multi-gas online DGA, IoT telemetry<\/td>\n<td>$2,000-$8,000 incl. data<\/td>\n<\/tr>\n<tr>\n<td>Power &gt;40 MVA \/ critical<\/td>\n<td>Full online DGA + digital twin<\/td>\n<td>$5,000-$15,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"supply\">Supply Chain Regionalization<\/h2>\n<p>The world\u2019s experience with extended lead times \u2014 as much as 18 to 36 months for big power transformers during the early part of the 2020s \u2014 has prompted a structural reaction: plants are appearing near consumer markets.<\/p>\n<ul>\n<li>U.S.: new and already existing transformer factories are reaping some benefits from the Chain Act of 2022 and DOE standards and are focusing on distribution transformers and power transformers.<\/li>\n<li>Europe: expanding capacity of power transformers with help of EU efforts aimed at cutting dependence on key transformer sizes from imports.<\/li>\n<li>India: has been exporting transformers and now is planning to further increase its capacity by building new transformer production facilities.<\/li>\n<li>Saudi Arabia and the Gulf: new industrial zones and grid programs will ensure local transformer manufacturing capacity.<\/li>\n<\/ul>\n<p>For buyers, regionalization has both plus and minuses: on the one hand, it means shorter lead times and reduced transportation costs, and on the other, increased per-unit costs in comparison with deep sea supply from China. Therefore, the optimal approach entails multiple suppliers \u2014 for single-point mission-critical machines, domestic or regional suppliers should be chosen; for bulk distribution fleets, export suppliers dominating on costs per kVA should be selected.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10797\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Renewables-and-Grid-Stress.webp\" alt=\"Renewables and Grid Stress\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"renewables\">Renewables and Grid Stress<\/h2>\n<p>Solar and wind integration has led buyers to modify their specifications. This means that renewable collection transformers must deal with maximum variability in loading, more frequent voltage fluctuations, and more rigorous cyclic operating conditions than traditional distribution equipment. All of this has the following implications:<\/p>\n<ul>\n<li>More on-load tap changers are being used on the collection and grid-tied transformers, in order to control voltage fluctuations caused by variable generation.<\/li>\n<li>Insulation and cooling properties of equipment specified have also changed as a result because of the fact that the impact of cyclic loading increases aging even when average loading levels are not high.<\/li>\n<li>Ester fluids are now common for wind and solar facilities, not only for safety purposes at the base of turbines, but for the benefit of the environment.<\/li>\n<li>Efficiency is more important than ever for renewables, where saved losses mean clean energy that has not been produced.<\/li>\n<\/ul>\n<p>The same situation drives the improvements in the field of substations, which is the reason for the increasing demand for 35kV and 110kV oil-immersed transformers in the countries with high renewable targets.<\/p>\n<h2 id=\"prices\">Price Trends and What to Budget<\/h2>\n<p>Since the material is volatile and supply chain is constrained, planning budgets for oil-immersed transformers (FOB) today are:<\/p>\n<table>\n<thead>\n<tr>\n<th>Rating \/ class<\/th>\n<th>Conventional design<\/th>\n<th>Low-loss \/ amorphous<\/th>\n<th>With OLTC and monitoring<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>500 kVA distribution<\/td>\n<td>$6,000\u2013$10,000<\/td>\n<td>$8,000\u2013$13,000<\/td>\n<td>$10,000\u2013$16,000<\/td>\n<\/tr>\n<tr>\n<td>1,000 kVA distribution<\/td>\n<td>$14,000\u2013$22,000<\/td>\n<td>$18,000\u2013$28,000<\/td>\n<td>$20,000\u2013$32,000<\/td>\n<\/tr>\n<tr>\n<td>10 MVA power (35kV)<\/td>\n<td>$28,000\u2013$48,000<\/td>\n<td>$36,000\u2013$58,000<\/td>\n<td>$40,000\u2013$65,000<\/td>\n<\/tr>\n<tr>\n<td>31.5 MVA power (35kV)<\/td>\n<td>$65,000\u2013$110,000<\/td>\n<td>$80,000\u2013$135,000<\/td>\n<td>$90,000\u2013$150,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>We can summarize three important rules for planning purposes: include 10-20% annual escalation clauses in multiyear agreements; base comparison on loss capitalisation; and get delivery slots as early as possible since the market reacts more slowly than the price.<\/p>\n<h2 id=\"brands\">How Manufacturers Are Adapting<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/th>\n<th>Adaptation focus<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0647\u064a\u062a\u0627\u0634\u064a \u0644\u0644\u0637\u0627\u0642\u0629<\/td>\n<td>Digital transformers, HVDC and power transformer expansion<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u064a\u0645\u0646\u0632 \u0644\u0644\u0637\u0627\u0642\u0629<\/td>\n<td>Digital twin services, grid-automation integration<\/td>\n<\/tr>\n<tr>\n<td>ABB<\/td>\n<td>Broad distribution portfolio, regional capacity expansion<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u0646\u0627\u064a\u062f\u0631 \u0625\u0644\u0643\u062a\u0631\u064a\u0643<\/td>\n<td>Smart distribution, EcoStruxure digital architecture<\/td>\n<\/tr>\n<tr>\n<td>Hyundai \/ Hyosung<\/td>\n<td>Power transformer scale-up, export volume<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u0631\u0643\u0629 \u062c\u064a\u0627\u0646\u063a\u0633\u0648 \u0633\u0648\u0628\u064a\u0646 \u0644\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/td>\n<td>Efficiency-grade upgrades, IEC-certified export range, ester and OLTC options<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Big multinationals are focusing on digital services and world-class engineering. At the same time, mainstream exports are based on an export tier adopting the same technologies \u2014 amorphous core, energy-efficient CRGO steel, online monitoring \u2014 for a much smaller cost.<\/p>\n<p>Jiangsu Subian Electric Power is another representative of the export tier. Its oil-immersed transformers are manufactured according to IEC 60076, have GB20052 efficiency grades and offer esters as well as on-load tap changers and DGA ports for monitoring. Subian is shipping transformers to utilities and EPCs all over Asia, Africa, Middle East and Latin America, supported by factory tests and third-party inspections. The company is providing a practical offer for buyers looking for efficiency, digitisation, and proper supply conditions. Find out more at subian-electric.com.<\/p>\n<h2 id=\"faq\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629<\/h2>\n<h3>What is driving transformer prices up right now?<\/h3>\n<p>There are three factors causing the increase: grain-oriented electrical steel and fluctuating copper prices (20-40% differences each year), very constrained manufacturing capacity at the global scale with large units lead times of 18-36 months, and the demand rise as a result of investments in grid and renewables. Buyers must book orders with fixed prices as soon as possible and incorporate escalation conditions in the contracts.<\/p>\n<h3>Are amorphous core transformers worth the premium?<\/h3>\n<p>In most cases, they are when it comes to heavy-load applications. The 20-30% premium pays off with 60-70% reduction in no-load losses, roughly recouping investments in 6-12 years according to industry pricing policies. For light-load transformer operation and low load factors, conventional CRGO might be found more convenient due to TCO.<\/p>\n<h3>Will mineral oil transformers disappear?<\/h3>\n<p>No, this will not happen for a long time. Mineral oil is used in 75-85% of the new projects due to its low price, good understanding, and efficiency for applications other than fire-risk and environment-sensitive sites. Use of esters will expand in certain areas, but mineral oil will remain the most popular option for many years.<\/p>\n<h3>How much does online monitoring add to a transformer order?<\/h3>\n<p>The price ranges from $1,500-4,000 for basic hydrogen\/gas measurement equipment for distribution units to $8,000-40,000 for full multi-gas DGA systems with IoT telemetry for power transformers. Payback is measured by the saved costs of failures and inspections, with standard monitoring being specified for all units above 10 MVA.<\/p>\n<h3>How do I compare bids from different regions fairly?<\/h3>\n<p>Make sure to get the final price of the unit with delivery and insurance included. Add the cost of the losses incurred in this way (this could be around 20-25 years according to the electricity tariffs), plus the value of lead time and proximity of services.<\/p>\n<h2 id=\"references\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul>\n<li><a href=\"https:\/\/eur-lex.europa.eu\/eli\/reg_del\/2014\/548\/oj\" rel=\"nofollow noopener\" target=\"_blank\">EU Ecodesign Regulation 548\/2014 and amendment 2019\/1783<\/a> \u2014 The efficiency regime shaping the European transformer market.<\/li>\n<li><a href=\"https:\/\/www.energy.gov\/eere\/amo\/energy-efficiency-doe\" rel=\"nofollow noopener\" target=\"_blank\">U.S. DOE distribution transformer efficiency standards (10 CFR Part 431)<\/a> \u2014 Minimum efficiency levels and the market&#8217;s supply response.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/publication\/637\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-1: Power transformers \u2013 General<\/a> \u2014 The design and testing baseline for all oil-immersed units referenced in this article.<\/li>\n<li><a href=\"https:\/\/www.iea.org\/topics\/electricity\" rel=\"nofollow noopener\" target=\"_blank\">IEA electricity and grid investment data<\/a> \u2014 Demand-side context for transformer market growth.<\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/ieee\/c57.104\/7462\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.104: Interpretation of Gases Generated in Oil-Immersed Transformers<\/a> \u2014 The DGA interpretation framework behind online monitoring trends.<\/li>\n<li><a href=\"https:\/\/www.sandia.gov\/app\/uploads\/sites\/163\/2024\/10\/Natural-Ester-Fluids.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Sandia National Laboratories on natural ester transformer fluids<\/a> \u2014 Independent assessment of ester fluid performance and fire safety.<\/li>\n<li><a href=\"https:\/\/subian-electric.com\/ar\/\" rel=\"nofollow\">Jiangsu Subian Electric Power official site<\/a> \u2014 Efficiency-grade oil-immersed transformer products and export documentation.<\/li>\n<\/ul>\n<h2 id=\"conclusion\">\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h2>\n<p>The industry of oil-immersed electrical transformers is progressing at a four-pronged approach: efficiency compliance is lifting the bar, ester fluids are penetrating risky fire and environmentally sensitive areas, digital monitoring is catching up in terms of size and shape, and supply chains are adapting to prices and delivery times. Each of the above changes the dynamics of making purchasing decisions.<\/p>\n<p>Key points to remember:<\/p>\n<ul>\n<li>Efficiency compliance is now declared mandatory and not left at customer choice; check the prevailing regulations in the market you operate in.<\/li>\n<li>Use of amorphous corps and esters will raise initial costs by 10-60%, yet they provide savings in terms of TCO in the right applications.<\/li>\n<li>Allocate $1500-$40,000 for monitoring depending on how critical the asset is.Book deliveries well in advance and hedge the risks of material pricing with fixed-price<\/li>\n<li>contracts.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The distribution utility\u2019s procurement director is analyzing three bids that the company has received for a contract for 250 transformers. The first bidder has submitted prices for S11 transformers and is offering the lowest bid. The second bidder offered a proposal for amorphous core transformers and promised that the loss differential would be paid off [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10795,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-10794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/10794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/comments?post=10794"}],"version-history":[{"count":2,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/10794\/revisions"}],"predecessor-version":[{"id":10993,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/10794\/revisions\/10993"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/media\/10795"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/media?parent=10794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/categories?post=10794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/tags?post=10794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}