{"id":2538,"date":"2026-08-17T04:00:00","date_gmt":"2026-08-17T04:00:00","guid":{"rendered":"https:\/\/lbajiele.com\/?p=2538"},"modified":"2026-08-17T00:39:15","modified_gmt":"2026-08-17T00:39:15","slug":"transformer-calculator-calculator-and-formula-guide","status":"publish","type":"post","link":"https:\/\/lbajiele.com\/ar\/blog\/transformer-calculator-calculator-and-formula-guide\/","title":{"rendered":"\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a: \u062f\u0644\u064a\u0644 \u0627\u0644\u0622\u0644\u0629 \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0648\u0627\u0644\u0635\u064a\u063a"},"content":{"rendered":"<p>A <strong>\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/strong> \u064a\u062d\u0648\u0644 \u0642\u062f\u0631\u0629 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u0648\u062c\u0647 (\u0627\u0644\u0637\u0648\u0631)\u060c \u0648\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629\u060c \u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0625\u0644\u0649 \u0627\u0644\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0644\u0627\u0632\u0645\u064a\u0646 \u0644\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0644\u064a. \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0647\u064a \u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629. \u064a\u062c\u0628 \u0623\u0646 \u062a\u064f\u0631\u0627\u0639\u0649 \u0623\u064a\u0636\u0627\u064b \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u0629 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0646\u0648\u0639\u060c \u0648\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u0648\u0627\u0641\u0642\u0627\u062a\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u060c \u0648\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u060c \u0648\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644\u060c \u0648\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u0646\u0645\u0648 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u060c \u0648\u0627\u0644\u062a\u0642\u064a\u064a\u0645\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629.<\/p>\n<h2>\u0635\u0644\u0627\u062d\u064a\u0627\u062a \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0642\u062f\u0631\u0629 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA)<\/h2>\n<h3>\u062d\u0627\u0633\u0628\u0629 \u0645\u062d\u0648\u0644 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0637\u0648\u0631<\/h3>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062f\u0627\u0631\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0648\u062c\u0647\u060c, <strong>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = \u0627\u0644\u0641\u0648\u0644\u062a \u00d7 \u0627\u0644\u0623\u0645\u0628\u064a\u0631 \u00f7 \u0661,\u0660\u0660\u0660<\/strong>. \u0628\u0639\u062f \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062a\u064a\u0628\u060c \u064a\u0635\u0628\u062d \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 <strong>\u0627\u0644\u062a\u064a\u0627\u0631 = \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u00d7 \u0661,\u0660\u0660\u0660 \u00f7 \u0627\u0644\u062c\u0647\u062f<\/strong>. \u0644\u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0645\u062d\u0648\u0644\u0627\u064b \u062b\u0627\u0646\u0648\u064a\u0627\u064b \u0628\u0642\u062f\u0631\u0629 75 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0648240 \u0641\u0648\u0644\u062a \u0644\u0647 \u062a\u064a\u0627\u0631 \u062d\u0645\u0644 \u0643\u0627\u0645\u0644 \u0645\u062d\u0633\u0648\u0628 \u064a\u0628\u0644\u063a 312.5 \u0623\u0645\u0628\u064a\u0631.<\/p>\n<h3>\u062d\u0627\u0633\u0628\u0629 \u0645\u062d\u0648\u0644 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0637\u0648\u0631<\/h3>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062f\u0627\u0626\u0631\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631 \u0645\u062a\u0648\u0627\u0632\u0646\u0629\u060c, <strong>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = \u221a3 \u00d7 \u0627\u0644\u062c\u0647\u062f<sub>\u0625\u0644 \u0625\u0644<\/sub> \u00d7 I \u00f7 1,000<\/strong>. \u0627\u0644\u062d\u0627\u0644\u064a \u0647\u0648 <strong>\u0627\u0644\u062a\u064a\u0627\u0631 = \u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u00d7 1000 \u00f7 (\u0627\u0644\u062c\u0630\u0631 \u0627\u0644\u062a\u0631\u0628\u064a\u0639\u064a \u0644\u0640 3 \u00d7 \u0627\u0644\u062c\u0647\u062f)<sub>\u0625\u0644 \u0625\u0644<\/sub>)<\/strong>. \u0645\u062d\u0648\u0644 \u0642\u062f\u0631\u062a\u0647 1000 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0639\u0646\u062f \u062c\u0647\u062f 400 \u0641\u0648\u0644\u062a\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0644\u0647 \u064a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 1443 \u0623\u0645\u0628\u064a\u0631.<\/p>\n<p>\u0625\u0630\u0627 \u062a\u0645 \u062a\u0648\u0637\u0626\u0629 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062d\u0645\u0644 \u0628\u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u0637 (kW)\u060c \u0641\u0642\u0645 \u0628\u0627\u0644\u062a\u0642\u062f\u064a\u0631 <strong>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0e41\u0e1b\u0631 = \u0643\u064a\u0644\u0648\u0648\u0627\u0637 \u00f7 (\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u00d7 \u0627\u0644\u0643\u0641\u0627\u0621\u0629)<\/strong>. \u0644\u0627 \u062a\u0642\u0645 \u0628\u0625\u0636\u0627\u0641\u0629 \u0642\u064a\u0645 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u0637 (kW) \u0648\u0627\u0644\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) \u0645\u0628\u0627\u0634\u0631\u0629. \u0642\u0645 \u0628\u062a\u062d\u0648\u064a\u0644 \u0643\u0644 \u062d\u0645\u0644 \u0625\u0644\u0649 \u0623\u0633\u0627\u0633 \u0645\u0634\u062a\u0631\u0643 \u0642\u0628\u0644 \u062a\u0637\u0628\u064a\u0642 \u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0646\u0648\u0639.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" alt=\"Technician measuring current on a three phase dry type transformer\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/three-phase-transformer-current-test.png\"\/><figcaption>\u062a\u0633\u062a\u062e\u062f\u0645 \u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0637\u0648\u0631 \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u0644\u0644\u062e\u0637 \u0648\u0645\u0639\u0627\u0645\u0644 \u221a3.<\/figcaption><\/figure>\n<h2>\u0637\u0631\u064a\u0642\u0629 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/h2>\n<ol><li>\u0623\u062f\u0631\u062c \u0643\u0644 \u062d\u0645\u0644 \u0645\u0639 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u0648\u062c\u0647 (\u0627\u0644\u0641\u0627\u0635\u0644)\u060c \u0648\u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u0637 \u0623\u0648 \u0627\u0644\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631\u060c \u0648\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629\u060c \u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629\u060c \u0648\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0628\u062f\u0621\u060c \u0648\u062f\u0648\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0648\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0648\u0627\u0641\u0642\u064a\u0627\u062a.<\/li><li>\u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0625\u0644\u0649 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) \u0648\u062a\u0637\u0628\u064a\u0642 \u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0646\u0648\u0639 \u0627\u0644\u0645\u0628\u0631\u0631\u0629.<\/li><li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0623\u0643\u0628\u0631 \u0645\u062d\u0631\u0643 \u0623\u0648 \u062d\u0645\u0644 \u062f\u0648\u0631\u064a \u0628\u0634\u0643\u0644 \u0645\u0646\u0641\u0635\u0644 \u0644\u0645\u0639\u0631\u0641\u0629 \u0647\u0628\u0648\u0637 \u062c\u0647\u062f \u0627\u0644\u0628\u062f\u0621 \u0648\u0627\u0644\u0648\u0627\u062c\u0628 \u0627\u0644\u062d\u0631\u0627\u0631\u064a.<\/li><li>\u0625\u0636\u0627\u0641\u0629 \u0633\u0639\u0629 \u062a\u0648\u0633\u0639\u0629 \u0645\u0648\u062b\u0642\u0629 \u062f\u0648\u0646 \u0625\u0646\u0634\u0627\u0621 \u062a\u0636\u062e\u0645 \u0645\u0641\u0631\u0637 \u0648\u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u0645\u062f \u0628\u0627\u0644\u062d\u062c\u0645.<\/li><li>\u0627\u062e\u062a\u0631 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0627\u0644\u062a\u0627\u0644\u064a \u0648\u062a\u0623\u0643\u062f \u0645\u0646 \u0635\u062d\u062a\u0647 \u0645\u0639 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629.<\/li><\/ol>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u062d\u064a\u0648\u064a\u0629\u060c \u0642\u0645 \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0641\u064a \u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0637\u0648\u0627\u0631\u0626 \u0648\u0627\u0644\u0648\u0641\u0631\u0629. \u0642\u062f \u064a\u062d\u062a\u0627\u062c \u0645\u062d\u0648\u0644\u0627\u0646 \u064a\u062a\u0634\u0627\u0631\u0643\u0627\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0639\u0627\u062f\u064a \u0625\u0644\u0649 \u0633\u0639\u0629 \u0643\u0627\u0641\u064a\u0629 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0628\u0639\u062f \u0625\u0632\u0627\u0644\u0629 \u0648\u062d\u062f\u0629 \u0648\u0627\u062d\u062f\u0629\u060c \u0648\u0630\u0644\u0643 \u0627\u0639\u062a\u0645\u0627\u062f\u0627\u064b \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628.<\/p>\n<section class=\"lbaji-article-table\"><h2>\u062c\u062f\u0648\u0644 \u0645\u0642\u0627\u0631\u0646\u0629 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0631\u064a\u0639<\/h2><p>\u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u062c\u062f\u0648\u0644 \u0643\u0645\u0631\u0627\u062c\u0639\u0629 \u0633\u0631\u064a\u0639\u0629 \u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0648\u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0634\u0631\u062d\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0644.<\/p><figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th scope=\"col\">\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0642\u0631\u0627\u0631<\/th><th scope=\"col\">\u0627\u0644\u0645\u0639\u0646\u0649 \u0627\u0644\u0639\u0645\u0644\u064a<\/th><th scope=\"col\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647<\/th><\/tr><\/thead><tbody><tr><td>\u0635\u0644\u0627\u062d\u064a\u0627\u062a \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0642\u062f\u0631\u0629 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA)<\/td><td>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062f\u0627\u0631\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0648\u0631: \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) = \u0627\u0644\u062c\u0647\u062f (V) \u00d7 \u0627\u0644\u062a\u064a\u0627\u0631 (I) \u00f7 1,000. .<\/td><td>\u0628\u0627\u0644\u0625\u0639\u0627\u062f\u0629\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0647\u0648 I = kVA \u00d7 1,000 \u00f7 V .<\/td><\/tr><tr><td>\u0637\u0631\u064a\u0642\u0629 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/td><td>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u062d\u064a\u0648\u064a\u0629\u060c \u0642\u0645 \u0628\u062a\u0642\u064a\u064a\u0645 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0637\u0648\u0627\u0631\u0626 \u0648\u0627\u0644\u0627\u0632\u062f\u0648\u0627\u062c\u064a\u0629.<\/td><td>\u0642\u062f \u064a\u062d\u062a\u0627\u062c \u0645\u062d\u0648\u0644\u0627\u0646 \u064a\u0634\u062a\u0631\u0643\u0627\u0646 \u0641\u064a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0639\u0627\u062f\u064a \u0625\u0644\u0649 \u0633\u0639\u0629 \u0643\u0627\u0641\u064a\u0629 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0628\u0639\u062f \u0625\u0632\u0627\u0644\u0629 \u0625\u062d\u062f\u0649 \u0627\u0644\u0648\u062d\u062f\u0627\u062a\u060c \u0648\u0630\u0644\u0643 \u0627\u0639\u062a\u0645\u0627\u062f\u0627\u064b \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629.<\/td><\/tr><tr><td>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u0648\u0627\u0644\u062b\u0627\u0646\u0648\u064a<\/td><td>\u0627\u0639\u062a\u0628\u0631 \u0645\u062d\u0648\u0644\u0627\u064b \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0628\u0642\u062f\u0631\u0629 500 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631\u060c \u0648\u062c\u0647\u062f \u0645\u0642\u0646\u0646 10 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \/ 400 \u0641\u0648\u0644\u062a.<\/td><td>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u0647\u0648 \u062a\u0642\u0631\u064a\u0628\u0627\u064b 28.9 \u0623\u0645\u0628\u064a\u0631: 500,000 \u00f7 (\u221a3 \u00d7 10,000).<\/td><\/tr><tr><td>\u0645\u0641\u0627\u0647\u064a\u0645 \u062d\u0627\u0633\u0628\u0629 \u0645\u0645\u0627\u0646\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644<\/td><td>\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0626\u0648\u064a\u0629 \u0647\u064a \u0646\u0633\u0628\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646 \u0627\u0644\u0644\u0627\u0632\u0645 \u0644\u0625\u062d\u062f\u0627\u062b \u0633\u0645\u0631 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646 \u0645\u0639 \u062c\u0639\u0644 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0641\u064a \u062d\u0627\u0644\u0629 \u0642\u0635\u0631 \u062a\u062d\u062a \u0638\u0631\u0648\u0641 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631.<\/td><td>\u0627\u0644\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u062a\u0642\u0631\u064a\u0628\u064a \u0627\u0644\u0645\u062a\u0645\u0627\u062b\u0644 \u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0635\u062f\u0639 \u0627\u0644\u0637\u0631\u0641\u064a \u0647\u0648 I_(sc) \u2248 I_(FL) \u00d7 100 \u00f7 Z\u2081TP\u2083T\u060c \u0628\u0627\u0641\u062a\u0631\u0627\u0636 \u0648\u062c\u0648\u062f \u0645\u0635\u062f\u0631 \u0642\u0648\u064a.<\/td><\/tr><tr><td>\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0641\u064a\u0648\u0632\u060c \u0627\u0644\u0642\u0627\u0637\u0639\u060c \u0648\u0627\u0644\u0623\u0633\u0644\u0627\u0643<\/td><td>\u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u062e\u062a\u0632\u0627\u0644 \u062d\u0627\u0633\u0628\u0629 \u062d\u062c\u0645 \u0645\u0646\u0635\u0647\u0631 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0641\u064a \u0645\u0639\u0627\u0645\u0644 \u0636\u0631\u0628 \u0639\u0627\u0644\u0645\u064a \u0648\u0627\u062d\u062f.<\/td><td>\u064a\u062c\u0628 \u0623\u0646 \u062a\u0633\u0645\u062d \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0628\u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0648\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0639\u0627\u062f\u064a \u0628\u064a\u0646\u0645\u0627 \u062a\u0642\u0648\u0645 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0636\u0627\u0631\u0629 \u0636\u0645\u0646 \u0645\u0646\u062d\u0646\u0649 \u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u062d\u0648\u0644.<\/td><\/tr><\/tbody><\/table><\/figure><\/section><h2>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u0648\u0627\u0644\u062b\u0627\u0646\u0648\u064a<\/h2>\n<p>\u0627\u0639\u062a\u0628\u0631 \u0645\u062d\u0648\u0644\u0627\u064b \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0628\u0642\u0648\u0629 500 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631\u060c \u0645\u0635\u0646\u064a\u0641\u0627\u064b \u0628\u062c\u0647\u062f 10 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \/ 400 \u0641\u0648\u0644\u062a. \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u064a\u0628\u0644\u063a \u062a\u0642\u0631\u064a\u0628\u0627\u064b 28.9 \u0623\u0645\u0628\u064a\u0631: 500,000 \u00f7 (\u221a3 \u00d7 10,000). \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u064a\u0628\u0644\u063a \u062a\u0642\u0631\u064a\u0628\u0627\u064b 721.7 \u0623\u0645\u0628\u064a\u0631: 500,000 \u00f7 (\u221a3 \u00d7 400). \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0642\u0627\u0633\u0629 \u0641\u0639\u0644\u064a\u0627\u064b \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u0641\u0627\u0642\u062f\u060c \u0648\u0639\u062f\u0645 \u0627\u0644\u0627\u062a\u0632\u0627\u0646\u060c \u0648\u0627\u0644\u062a\u0648\u0627\u0641\u0642\u0627\u062a.<\/p>\n<p>\u064a\u0633\u0627\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u062d\u0627\u0644\u064a \u0641\u064a \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0645\u062b\u0644 <a href=\"https:\/\/lbajiele.com\/ar\/product\/scb10-10kv-dry-type-transformer\/\">\u0645\u062d\u0648\u0644 \u062c\u0627\u0641 \u0645\u0646 \u0646\u0648\u0639 SCB10<\/a> \u0645\u0639 \u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0648\u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u0635\u0644\u0629\u060c \u0648\u0644\u0643\u0646\u0647 \u0644\u0627 \u064a\u062d\u0644 \u0645\u062d\u0644 \u062f\u0631\u0627\u0633\u0629 \u062a\u0646\u0633\u064a\u0642 \u0645\u062a\u0643\u0627\u0645\u0644\u0629.<\/p>\n<h2>\u0645\u0641\u0627\u0647\u064a\u0645 \u062d\u0627\u0633\u0628\u0629 \u0645\u0645\u0627\u0646\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644<\/h2>\n<p>\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629 \u0627\u0644\u0646\u0633\u0628\u0629 \u0647\u064a \u0646\u0633\u0628\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646 \u0627\u0644\u0644\u0627\u0632\u0645 \u0644\u0625\u062d\u062f\u0627\u062b \u0633\u0631\u064a\u0627\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646 \u0645\u0639 \u0639\u0645\u0644 \u0642\u0635\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u062a\u062d\u062a \u0638\u0631\u0648\u0641 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631. \u0648\u062a\u0642\u062f\u064a\u0631 \u062a\u064a\u0627\u0631 \u0642\u0635\u0631 \u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u0627\u0644\u0645\u062a\u0645\u0627\u062b\u0644 \u0627\u0644\u062a\u0642\u0631\u064a\u0628\u064a \u0647\u0648 <strong>I<sub>\u0627\u0644\u0631\u0645\u0632 \u0627\u0644\u0628\u0631\u064a\u062f\u064a<\/sub> \u2248 \u0623\u0646\u0627<sub>\u0641\u0644<\/sub> \u00d7 100 \u00f7 Z%<\/strong>, \u060c \u0628\u0627\u0641\u062a\u0631\u0627\u0636 \u0648\u062c\u0648\u062f \u0645\u0635\u062f\u0631 \u0642\u0648\u064a. \u0645\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u0628\u0644\u063a 6%\u060c \u064a\u0628\u0644\u063a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062b\u0627\u0644\u064a \u062d\u0648\u0627\u0644\u064a 16.7 \u0636\u0639\u0641 \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644.<\/p>\n<p>\u062a\u0634\u062a\u0645\u0644 \u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u0623\u064a\u0636\u0627\u064b \u0639\u0644\u0649 \u0645\u0645\u0627\u0646\u0639\u0629 \u0645\u0635\u062f\u0631 \u0627\u0644\u0645\u0631\u0627\u0641\u0642\u060c \u0648\u0645\u0645\u0627\u0646\u0639\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0639\u0644\u0648\u064a\u060c \u0648\u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\u060c \u0648\u0627\u0644\u0642\u0636\u0628\u0627\u0646\u060c \u0648\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a\u060c \u0648\u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u0641\u0627\u0639\u0644 \u0625\u0644\u0649 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 (X\/R). \u0627\u0633\u062a\u062e\u062f\u0645 \u062f\u0631\u0627\u0633\u0629 \u0635\u062d\u064a\u062d\u0629 \u0644\u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u062a\u0642\u064a\u064a\u0645 \u0642\u062f\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u0645\u0642\u0627\u0637\u0639\u0629 \u0648\u0627\u0644\u062a\u062d\u0645\u0644.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" alt=\"Engineer reviewing cable and capacity calculations beside a pad mounted transformer\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/pad-mounted-transformer-sizing.png\"\/><figcaption>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0627\u0644\u0645\u062d\u0648\u0644 \u0647\u0648 \u0645\u062c\u0631\u062f \u0645\u062f\u062e\u0644 \u0648\u0627\u062d\u062f \u0644\u062a\u0635\u0645\u064a\u0645 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0645\u0648\u0642\u0639 \u0627\u0644\u0645\u0646\u0633\u0642.<\/figcaption><\/figure>\n<h2>\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0641\u064a\u0648\u0632\u060c \u0627\u0644\u0642\u0627\u0637\u0639\u060c \u0648\u0627\u0644\u0623\u0633\u0644\u0627\u0643<\/h2>\n<p>\u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u062e\u062a\u0635\u0627\u0631 \u062d\u0627\u0633\u0628\u0629 \u062d\u062c\u0645 \u0645\u0646\u0635\u0647\u0631 (\u0641\u064a\u0648\u0632) \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u0644\u0644\u0645\u062d\u0648\u0644 \u0641\u064a \u0645\u0639\u0627\u0645\u0644 \u0636\u0631\u0628 \u0639\u0627\u0645 \u0648\u0627\u062d\u062f. \u064a\u062c\u0628 \u0623\u0646 \u062a\u0633\u0645\u062d \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0628\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0648\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0632\u0627\u0626\u062f \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0645\u0639 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0636\u0627\u0631\u0629 \u0636\u0645\u0646 \u0645\u0646\u062d\u0646\u0649 \u062a\u062d\u0645\u0651\u064f\u0644 \u0627\u0644\u0645\u062d\u0648\u0644. \u062a\u062d\u062f\u062f \u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u062d\u0644\u064a\u0629\u060c \u0648\u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0646\u0648\u0639 \u0627\u0644\u0645\u062d\u0648\u0644\u060c \u0648\u0627\u0644\u0645\u0627\u0646\u0639\u0629 (\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629)\u060c \u0648\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0641\u064a \u0627\u0644\u0645\u0646\u0628\u0639\u060c \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062b\u0627\u0646\u0648\u064a\u0629\u060c \u0648\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0627\u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647\u0627.<\/p>\n<p>\u0648\u0628\u0627\u0644\u0645\u062b\u0644\u060c \u064a\u0639\u062a\u0645\u062f \u062d\u062c\u0645 \u0627\u0644\u0633\u0644\u0643 \u0639\u0644\u0649 \u0633\u0639\u0629 \u0627\u0644\u062a\u064a\u0627\u0631\u060c \u0648\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0645\u062f\u064a\u062f\u060c \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u0648\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u0648\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0639\u0632\u0644\u060c \u0648\u0647\u0628\u0648\u0637 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0648\u062a\u0635\u0646\u064a\u0641 \u0646\u0642\u0627\u0637 \u0627\u0644\u0646\u0647\u0627\u064a\u0629\u060c \u0648\u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0645\u0637\u0628\u0642\u0629. \u0642\u0645 \u0628\u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0628\u064a\u0646 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062b\u0627\u0646\u0648\u064a\u0629 \u0648\u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0645\u0639 \u0627\u0644\u0645\u062d\u062f\u062f <a href=\"https:\/\/lbajiele.com\/ar\/product\/ggd-low-voltage-fixed-switchgear\/\">\u0644\u0648\u062d\u0629 \u0645\u0641\u0627\u062a\u064a\u062d \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0647\u062f<\/a>.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" alt=\"Transformer protective fuses and circuit breaker being checked during commissioning\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/transformer-protection-sizing.png\"\/><figcaption>\u064a\u062c\u0628 \u0623\u0646 \u062a\u0642\u0639 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0623\u0639\u0644\u0649 \u0645\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0645\u062a\u0648\u0642\u0639 \u0648\u0644\u0643\u0646 \u0623\u062f\u0646\u0649 \u0645\u0646 \u062d\u062f\u0648\u062f \u062a\u0644\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 \u0648\u0627\u0644\u0645\u0648\u0635\u0644.<\/figcaption><\/figure>\n<h2>\u062d\u0633\u0627\u0628 \u0645\u062d\u0648\u0644 \u062e\u0641\u0636 \u0648\u0631\u0641\u0639 \u0627\u0644\u062c\u0647\u062f<\/h2>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u062d\u0648\u0644\u0627\u062a \u062e\u0641\u0636\/\u0631\u0641\u0639 \u0627\u0644\u062c\u0647\u062f (buck-boost)\u060c \u0627\u062d\u0633\u0628 \u0623\u0648\u0644\u0627\u064b \u062a\u063a\u064a\u0631 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0648\u062a\u06cc\u0627\u0631 \u0627\u0644\u062d\u0645\u0644. \u0625\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) \u0627\u0644\u0645\u062d\u0648\u0644\u0629 \u062a\u0633\u0627\u0648\u064a \u062a\u0642\u0631\u064a\u0628\u0627\u064b \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062c\u0647\u062f \u0645\u0636\u0631\u0648\u0628\u0627\u064b \u0641\u064a \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0645\u0642\u0633\u0648\u0645\u0627\u064b \u0639\u0644\u0649 1,000 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0648\u062c\u0647 \u0627\u0644\u0648\u0627\u062d\u062f (single phase). \u0648\u0646\u0638\u0631\u0627\u064b \u0644\u0623\u0646 \u062a\u0648\u0635\u064a\u0644\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0630\u0627\u062a\u064a (autotransformer) \u062a\u0646\u0642\u0644 \u062c\u0632\u0621\u0627\u064b \u0643\u0628\u064a\u0631\u0627\u064b \u0645\u0646 \u0627\u0644\u0642\u062f\u0631\u0629 \u062a\u0648\u0635\u064a\u0644\u0652\u064a\u0627\u064b\u060c \u0641\u0642\u062f \u062a\u0643\u0648\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u0648\u062d\u062f\u0629 (kVA) \u0623\u0635\u063a\u0631 \u0645\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u062d\u0645\u0644 (kVA). \u0627\u0633\u062a\u062e\u062f\u0645 \u062c\u062f\u0648\u0644 \u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0645\u0635\u062f\u0631 \u0627\u0644\u062f\u0642\u064a\u0642\u060c \u0648volt \u0627\u0644\u0647\u062f\u0641\u060c \u0648\u0627\u0644\u0648\u062c\u0647\u060c \u0648\u0627\u0644\u0648\u062d\u062f\u0629.<\/p>\n<h2>\u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a<\/h2>\n<p>\u0642\u0645 \u0628\u062a\u0632\u0648\u064a\u062f \u0627\u0644\u0645\u0648\u0631\u062f \u0628\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0644\u0644\u0645\u062d\u0648\u0644\u060c \u0648\u0639\u062f\u062f \u0627\u0644\u0623\u0637\u0648\u0627\u0631\u060c \u0648\u0627\u0644\u062a\u0631\u062f\u062f\u060c \u0648\u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0638\u0627\u0647\u0631\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0648\u0630\u0627\u062a \u0627\u0644\u0630\u0631\u0648\u0629 (\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631)\u060c \u0648\u0646\u0648\u0639 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0637\u064a\u0641 \u0627\u0644\u062a\u0648\u0627\u0641\u0642\u064a\u0627\u062a\u060c \u0648\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062d\u0646\u0641\u064a\u0629 (\u0627\u0644\u0645\u0635\u0646\u0641\u0627\u062a)\u060c \u0648\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629\u060c \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0639\u0632\u0644\u060c \u0627\u0644\u063a\u0644\u0627\u0641\u060c \u0627\u0644\u062a\u0628\u0631\u064a\u062f\u060c \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0639\u0646 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631\u060c \u0627\u0644\u0647\u062f\u0641 \u0627\u0644\u0645\u062d\u062f\u062f \u0644\u0644\u0636\u0648\u0636\u0627\u0621\u060c \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0643\u0641\u0627\u0621\u0629\u060c \u0627\u0644\u0645\u0644\u062d\u0642\u0627\u062a\u060c \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629. \u062c\u062f\u0648\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0634\u0641\u0627\u0641 \u064a\u062c\u0639\u0644 \u0627\u0644\u062d\u0633\u0627\u0628 \u0642\u0627\u0628\u0644\u0627\u064b \u0644\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0648\u0627\u0644\u062a\u062f\u0642\u064a\u0642 \u0648\u064a\u0645\u0646\u0639 \u0627\u0644\u062f\u0642\u0629 \u0627\u0644\u0648\u0647\u0645\u064a\u0629.<\/p>\n<!-- lbaji-dataforseo-gaps:start -->\n<section class=\"lbaji-serp-gap\"><h2>\u0627\u0644\u0635\u064a\u063a \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u062d\u0627\u0633\u0628\u0629 \u0645\u062d\u0648\u0644 \u0627\u0644\u0637\u0627\u0642\u0629<\/h2><p>\u0637\u0648\u0631 \u0648\u0627\u062d\u062f: \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = \u0627\u0644\u0641\u0648\u0644\u062a \u00d7 \u0627\u0644\u0623\u0645\u0628\u064a\u0631 \u00f7 1,000. \u062b\u0644\u0627\u062b\u0629 \u0623\u0637\u0648\u0627\u0631: \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = 1.732 \u00d7 \u0627\u0644\u0641\u0648\u0644\u062a \u00d7 \u0627\u0644\u0623\u0645\u0628\u064a\u0631 \u00f7 1,000. \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u062a\u064a\u0628 \u062a\u0639\u0637\u064a \u0627\u0644\u062a\u064a\u0627\u0631. \u0639\u0646\u062f \u0627\u0644\u0628\u062f\u0621 \u0645\u0646 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0627\u0644\u0645\u0641\u064a\u062f\u060c \u0627\u0642\u0633\u0645 \u0639\u0644\u0649 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u062d\u0633\u0628 \u0627\u0644\u0627\u0642\u062a\u0636\u0627\u0621 \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0644\u0644\u0645\u062d\u0648\u0644.<\/p><\/section>\n<section class=\"lbaji-serp-gap\"><h2>\u0643\u064a\u0641\u064a\u0629 \u062a\u0641\u0633\u064a\u0631 \u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0622\u0644\u0629 \u0627\u0644\u062d\u0627\u0633\u0628\u0629<\/h2><p>\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062d\u0633\u0648\u0628\u0629 \u0647\u064a \u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0648\u0644\u064a\u0633\u062a \u0627\u062e\u062a\u064a\u0627\u0631\u0627\u064b \u062a\u0644\u0642\u0627\u0626\u064a\u0627\u064b \u0644\u0644\u0645\u0646\u062a\u062c. \u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u0646\u0648\u0639 \u0627\u0644\u0623\u062d\u0645\u0627\u0644\u060c \u0648\u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u0648\u0627\u0641\u0642\u064a\u0627\u062a\u060c \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u0648\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629\u060c \u0648\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u0646\u0645\u0648 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a. \u0627\u062d\u0633\u0628 \u062a\u064a\u0627\u0631\u064a \u0627\u0644\u0645\u0644\u0641\u064a\u0646\u060c \u062b\u0645 \u0646\u0633\u0651\u0642 \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0648\u0627\u0639\u062f \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0633\u0627\u0631\u064a\u0629 \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u064f\u0635\u0646\u0651\u0650\u0639.<\/p><\/section>\n<!-- lbaji-dataforseo-gaps:end -->\n<!-- lbaji-references:start -->\n<section aria-labelledby=\"technical-references-heading\" class=\"lbaji-technical-references\">\n<h2 id=\"technical-references-heading\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639 \u0627\u0644\u0641\u0646\u064a\u0629 \u0648\u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0625\u0636\u0627\u0641\u064a\u0629<\/h2>\n<p>\u062a\u062f\u0639\u0645 \u0627\u0644\u0645\u0635\u0627\u062f\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0648\u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u0648\u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0648\u0633\u064a\u0627\u0642 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0645\u062a \u0645\u0646\u0627\u0642\u0634\u062a\u0647\u0627 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644:<\/p>\n<ul><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/588\" rel=\"noopener nofollow\" target=\"_blank\">\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 IEC 60076-1<\/a> \u2014 \u0627\u0644\u0646\u0637\u0627\u0642\u060c \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a\u060c \u0627\u0644\u062a\u0642\u064a\u064a\u0645\u0627\u062a\u060c \u0631\u0645\u0648\u0632 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u060c \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u0627\u0644\u0633\u0644\u0627\u0645\u0629\u060c \u0648\u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629.<\/li>\n<li><a href=\"https:\/\/www.energy.gov\/cmei\/buildings\/distribution-transformers\" rel=\"noopener nofollow\" target=\"_blank\">\u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629: \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639<\/a> \u2014 \u0627\u0644\u062a\u0639\u0631\u064a\u0641\u0627\u062a \u0627\u0644\u0631\u0633\u0645\u064a\u0629\u060c \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0643\u0641\u0627\u0621\u0629\u060c \u0648\u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u0648\u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u062a\u0646\u0638\u064a\u0645\u064a\u0629 \u0644\u0645\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639.<\/li>\n<li><a href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1926\/1926SubpartV\" rel=\"noopener nofollow\" target=\"_blank\">\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0635\u062d\u0629 \u0627\u0644\u0645\u0647\u0646\u064a\u0629 (\u0623\u0648\u0634\u0627) \u0644\u0646\u0642\u0644 \u0648\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a> \u2014 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629 \u0628\u0627\u0644\u0625\u0646\u0634\u0627\u0621\u0627\u062a \u0648\u0627\u0644\u0639\u0645\u0644 \u062d\u0648\u0644 \u0645\u0639\u062f\u0627\u062a \u0646\u0642\u0644 \u0648\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/li><\/ul>\n<\/section>\n<!-- lbaji-references:end -->","protected":false},"excerpt":{"rendered":"<p>\u062a\u062a\u062d\u0648\u0644 \u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0625\u0644\u0649 \u0637\u0627\u0642\u0629 \u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u0644\u062c\u0647\u062f\u060c \u0648\u0627\u0644\u0637\u0648\u0631\u060c \u0648\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629\u060c \u0648\u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0625\u0644\u0649 \u0627\u0644\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) \u0648\u0627\u0644\u062a\u06cc\u0627\u0631 \u0627\u0644\u0644\u0627\u0632\u0645\u064a\u0646 \u0644\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0648\u0644\u064a. \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0647\u064a \u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629. \u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u0629 \u0623\u064a\u0636\u064b\u0627...<\/p>","protected":false},"author":6,"featured_media":2534,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[52],"tags":[85,64,66,69,65],"class_list":["post-2538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-transformers","tag-kva-calculations","tag-three-phase-transformer","tag-transformer-capacity","tag-transformer-protection","tag-transformer-sizing"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/2538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/comments?post=2538"}],"version-history":[{"count":7,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/2538\/revisions"}],"predecessor-version":[{"id":2806,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/2538\/revisions\/2806"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/media\/2534"}],"wp:attachment":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/media?parent=2538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/categories?post=2538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/tags?post=2538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}