{"id":2891,"date":"2026-08-29T12:42:00","date_gmt":"2026-08-29T12:42:00","guid":{"rendered":"https:\/\/lbajiele.com\/?p=2891"},"modified":"2026-08-25T12:10:17","modified_gmt":"2026-08-25T12:10:17","slug":"3-phase-transformer-calculations-calculator-and-formula-guide","status":"publish","type":"post","link":"https:\/\/lbajiele.com\/ar\/blog\/3-phase-transformer-calculations-calculator-and-formula-guide\/","title":{"rendered":"\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0637\u0648\u0627\u0631: \u0627\u0644\u0635\u064a\u063a \u0648\u0627\u0644\u0623\u0645\u062b\u0644\u0629"},"content":{"rendered":"<p><strong>\u062a\u0633\u062a\u062e\u062f\u0645 \u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629: kVA = \u221a3 \u00d7 \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u00d7 \u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637 \u00f7 1,000 \u0648 I = kVA \u00d7 1,000 \u00f7 (\u221a3 \u00d7 \u062c\u0647\u062f \u0627\u0644\u062e\u0637)\u061b \u0628\u064a\u0646\u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0648\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629\u060c \u0648\u0647\u0628\u0648\u0637 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0628\u064a\u0627\u0646\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0644\u0645\u062d\u0648\u0644.<\/strong> \u0627\u0633\u062a\u062e\u062f\u0645 \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u0644\u0644\u062e\u0637 \u0641\u064a \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0648\u0645\u064a\u0651\u0650\u0632 \u0643\u0645\u064a\u0627\u062a \u0627\u0644\u062e\u0637 \u0639\u0646 \u0643\u0645\u064a\u0627\u062a \u0627\u0644\u0637\u0648\u0631 \u0644\u0645\u0644\u0641\u0627\u062a \u062f\u0644\u062a\u0627 \u0648\u0648\u0627\u064a (\u0627\u0644\u0645\u0648\u0635\u0648\u0644\u0629 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0646\u062c\u0648\u0645). \u0646\u062a\u0627\u0626\u062c \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u062a\u0648\u062c\u0651\u0647 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0644\u0643\u0646\u0647\u0627 \u0644\u0627 \u062a\u062d\u0644 \u0645\u062d\u0644 \u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0623\u062d\u062c\u0627\u0645 \u0648\u0641\u0642\u0627\u064b \u0644\u0644\u0623\u0643\u0648\u0627\u062f \u0623\u0648 \u0627\u0644\u062f\u0631\u0627\u0633\u0627\u062a.<\/p>\n<div class=\"lbaji-key-takeaways\"><h2>\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2><ul><li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062c\u0630\u0631 \u0627\u0644\u062a\u0631\u0628\u064a\u0639\u064a \u0644\u0640 3 \u0645\u0639 \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637.<\/li><li>\u062a\u062e\u062a\u0644\u0641 \u0642\u064a\u0645 \u0627\u0644\u0637\u0648\u0631 \u0641\u064a \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0639\u0644\u0649 \u0634\u0643\u0644 \u062f\u0644\u062a\u0627 \u0648\u0648\u0627\u064a (\u0646\u062c\u0645\u0629) \u062d\u062a\u0649 \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0642\u064a\u0645 \u0627\u0644\u062e\u0637 \u0645\u0639\u0631\u0648\u0641\u0629.<\/li><li>\u062a\u062a\u062d\u0643\u0645 \u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629 \u0641\u064a \u0627\u0644\u062a\u0646\u0638\u064a\u0645 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u0631 \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0627\u0644\u0645\u062a\u0627\u062d.<\/li><\/ul><\/div>\n<h2>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644<\/h2><figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"Three-phase transformer current calculation\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/three-phase-kva-to-amps.png\"\/><figcaption>\u062d\u0633\u0627\u0628 \u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631.<\/figcaption><\/figure>\n<p>\u0644\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646\u060c \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0638\u0627\u0647\u0631\u064a\u0629 (\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631) = 1.732 \u00d7 \u0627\u0644\u062c\u0647\u062f \u0628\u064a\u0646 \u0627\u0644\u062e\u0637\u064a\u0646 \u00d7 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637\u0651\u064a \u00f7 1,000. \u0646\u0638\u0627\u0645 \u0628\u062c\u0647\u062f 480 \u0641\u0648\u0644\u062a \u0648\u062a\u064a\u0627\u0631 120 \u0623\u0645\u0628\u064a\u0631 \u064a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 99.8 \u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631. \u0648\u0628\u0625\u0639\u0627\u062f\u0629 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629\u060c \u0641\u0625\u0646 \u0645\u062d\u0648\u0644\u0627\u064b \u0628\u0642\u062f\u0631\u0629 150 \u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0639\u0646\u062f \u062c\u0647\u062f 480 \u0641\u0648\u0644\u062a \u064a\u062d\u0645\u0644 \u062a\u064a\u0627\u0631\u0627\u064b \u064a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 180.4 \u0623\u0645\u0628\u064a\u0631\u061b \u0648\u0639\u0646\u062f \u062c\u0647\u062f 208 \u0641\u0648\u0644\u062a \u064a\u062d\u0645\u0644 \u062a\u064a\u0627\u0631\u0627\u064b \u064a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 416.4 \u0623\u0645\u0628\u064a\u0631.<\/p>\n<p>\u0647\u0630\u0647 \u0647\u064a \u062a\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u062d\u0645\u0648\u0644\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645. \u062a\u062a\u0637\u0644\u0628 \u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0648\u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0641\u062d\u0648\u0635\u0627\u062a \u0644\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0648\u0627\u0644\u0623\u0637\u0631\u0627\u0641\u060c \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621\u060c \u0648\u0627\u0644\u0643\u0648\u062f.<\/p>\n<h2>\u0643\u0645\u064a\u0627\u062a \u0627\u0644\u0637\u0648\u0631 \u0644\u0646\u0638\u0627\u0645\u064a \u062f\u0644\u062a\u0627 \u0648\u0648\u0627\u064a<\/h2>\n<p>\u0641\u064a \u062a\u0648\u0635\u064a\u0644\u0629 \u0627\u0644\u0646\u062c\u0645\u0629\u060c \u062c\u0647\u062f \u0627\u0644\u0648\u062c\u0647 \u064a\u0633\u0627\u0648\u064a \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u00f7 \u221a3 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0648\u062c\u0647 \u064a\u0633\u0627\u0648\u064a \u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637. \u0648\u0641\u064a \u062a\u0648\u0635\u064a\u0644\u0629 \u0627\u0644\u062f\u0644\u062a\u0627\u060c \u062c\u0647\u062f \u0627\u0644\u0648\u062c\u0647 \u064a\u0633\u0627\u0648\u064a \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0648\u062c\u0647 \u064a\u0633\u0627\u0648\u064a \u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637 \u00f7 \u221a3. \u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0639\u0644\u0627\u0642\u0627\u062a \u0639\u0646\u062f \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0644\u0641\u0627\u062a \u0627\u0644\u0645\u0644\u0641 \u0623\u0648 \u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0641\u0631\u062f\u064a.<\/p>\n<p>\u064a\u0631\u0649 \u0645\u0644\u0641 \u0645\u0648\u0635\u0648\u0644 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0645\u062b\u0644\u062b \u0628\u062c\u0647\u062f 480 \u0641\u0648\u0644\u062a \u062c\u0647\u062f\u064b\u0627 \u0642\u062f\u0631\u0647 480 \u0641\u0648\u0644\u062a \u0644\u0643\u0644 \u0648\u062c\u0647\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0631\u0649 \u0645\u0644\u0641 \u0645\u0648\u0635\u0648\u0644 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0646\u062c\u0645\u0629 \u0628\u062c\u0647\u062f 208\/120 \u0641\u0648\u0644\u062a \u062c\u0647\u062f\u064b\u0627 \u0642\u062f\u0631\u0647 120 \u0641\u0648\u0644\u062a \u0644\u0643\u0644 \u0648\u062c\u0647. \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u0641\u0625\u0646 \u0646\u0633\u0628\u0629 \u062e\u0637 \u0627\u0644\u062c\u0647\u062f \u0648\u062d\u062f\u0647\u0627 \u0644\u0627 \u062a\u0633\u0627\u0648\u064a \u0646\u0633\u0628\u0629 \u0644\u0641\u0627\u062a \u0627\u0644\u0645\u0644\u0641 \u0627\u0644\u0641\u0631\u062f\u064a \u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0645\u062b\u0644\u062b-\u0627\u0644\u0646\u062c\u0645\u0629.<\/p>\n<h2>\u0627\u0644\u0646\u0633\u0628\u0629\u060c \u0627\u0644\u062a\u0646\u0638\u064a\u0645 \u0648\u0647\u0628\u0648\u0637 \u0627\u0644\u062c\u0647\u062f<\/h2><figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"Transformer load sizing calculation\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/transformer-load-sizing-calculation.png\"\/><figcaption>\u062d\u0633\u0627\u0628 \u062a\u062d\u062f\u064a\u062f \u0633\u0639\u0629 \u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0645\u062d\u0648\u0644.<\/figcaption><\/figure>\n<p>\u0646\u0633\u0628\u0629 \u062c\u0647\u062f \u0627\u0644\u0637\u0648\u0631 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629 \u062a\u0633\u0627\u0648\u064a \u0646\u0633\u0628\u0629 \u0627\u0644\u0644\u0641\u0627\u062a. \u064a\u062a\u063a\u064a\u0631 \u062c\u0647\u062f \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0627\u0644\u0645\u062d\u0645\u0644 \u0628\u0633\u0628\u0628 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u0644\u0641\u0627\u062a \u0648\u0645\u0641\u0627\u0639\u0644\u0629 \u0627\u0644\u062a\u0633\u0631\u0628. \u062a\u0639\u062a\u0645\u062f \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0645\u0626\u0648\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629 \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0648\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629.<\/p>\n<p>\u0647\u0628\u0648\u0637 \u062c\u0647\u062f \u0627\u0644\u0645\u063a\u0630\u064a \u0645\u0646\u0641\u0635\u0644 \u0639\u0646 \u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644. \u0642\u0645 \u0628\u062a\u0645\u062b\u064a\u0644 \u0643\u0644\u064a\u0647\u0645\u0627 \u0639\u0646\u062f \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0628\u062f\u0621 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u062d\u0631\u0643 \u0623\u0648 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0628\u0639\u064a\u062f\u0629\u060c \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0644 \u0648\u0627\u0644\u0645\u062d\u0648\u0644 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/p>\n<h2>\u0623\u0645\u062b\u0644\u0629 \u0639\u0644\u0649 \u062d\u0633\u0627\u0628\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631<\/h2><figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th scope=\"col\">\u062d\u0633\u0627\u0628<\/th><th scope=\"col\">\u0627\u0644\u0645\u062f\u062e\u0644\u0627\u062a<\/th><th scope=\"col\">\u0635\u064a\u063a\u0629<\/th><th scope=\"col\">\u0627\u0644\u0646\u062a\u064a\u062c\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0627\u0644\u062d\u0645\u0644<\/td><td>\u0664\u0668\u0660 \u0641\u0648\u0644\u062a\u060c \u0661\u0662\u0660 \u0623\u0645\u0628\u064a\u0631<\/td><td>\u0661\u066b\u0667\u0663\u0662 \u00d7 \u0664\u0668\u0660 \u00d7 \u0661\u0662\u0660 \u00f7 \u0661\u066c\u0660\u0660\u0660<\/td><td>99.8 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td><\/tr><tr><td>\u062a\u064a\u0627\u0631 150 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td><td>480 \u0641\u0648\u0644\u062a<\/td><td>\u0661\u0665\u0660\u066c\u0660\u0660\u0660 \u00f7 (\u0661\u066b\u0667\u0663\u0662 \u00d7 \u0664\u0668\u0660)<\/td><td>180.4 \u0623<\/td><\/tr><tr><td>\u062a\u064a\u0627\u0631 150 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td><td>\u0662\u0660\u0668 \u0641\u0648\u0644\u0637<\/td><td>150,000 \u00f7 (1.732 \u00d7 208)<\/td><td>416.4 \u0623<\/td><\/tr><tr><td>\u062c\u0647\u062f \u0637\u0648\u0631 \u0631\u0628\u0637 \u0646\u062c\u0645\u064a<\/td><td>\u062e\u0637 208 \u0641\u0648\u0644\u062a<\/td><td>\u0662\u0660\u0668 \u00f7 \u0661\u066b\u0667\u0663\u0662<\/td><td>\u0661\u0662\u0660 \u0641\u0648\u0644\u062a<\/td><\/tr><tr><td>\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0639\u0637\u0644<\/td><td>1,203 A\u060c 5.75% Z<\/td><td>\u0661\u066c\u0662\u0660\u0663 \u00f7 \u0660\u066b\u0660\u0665\u0667\u0665<\/td><td>\u0662\u0660\u066b\u0669 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631<\/td><\/tr><\/tbody><\/table><\/figure>\n<h2>\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0645\u0641\u0627\u0639\u0644\u064a\u0629 \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644<\/h2>\n<p>\u0627\u0644\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u062a\u0642\u0631\u064a\u0628\u064a \u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0637\u0631\u0641\u064a \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0641\u064a \u062d\u0627\u0644\u0629 \u0648\u062c\u0648\u062f \u0645\u0635\u062f\u0631 \u0635\u0644\u0628 \u0647\u0648: \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0645\u0642\u0633\u0648\u0645\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0644\u0643\u0644 \u0648\u062d\u062f\u0629. \u064a\u0628\u0644\u063a \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0645\u062d\u0648\u0644 \u0628\u0642\u062f\u0631\u0629 1,000 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0648\u062c\u0647\u062f 480 \u0641\u0648\u0644\u062a \u062d\u0648\u0627\u0644\u064a 1,203 \u0623\u0645\u0628\u064a\u0631\u061b \u0648\u0639\u0646\u062f \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u0628\u0644\u063a 5.75%\u060c \u064a\u0628\u0644\u063a \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0637\u0631\u0641\u064a \u0627\u0644\u0645\u062b\u0627\u0644\u064a \u062d\u0648\u0627\u0644\u064a 20.9 \u0643\u064a\u0644\u0648 \u0623\u0645\u0628\u064a\u0631.<\/p>\n<p>\u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u0635\u062f\u0631\u060c \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\u060c \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a\u060c \u0627\u0644\u062a\u0641\u0627\u0648\u062a\u0627\u062a\u060c \u0648\u0636\u0639\u064a\u0629 \u0627\u0644\u0635\u0646\u0628\u0648\u0631 (tap) \u0648\u0646\u0633\u0628\u0629 X\/R. \u0644\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0628\u0633\u064a\u0637 \u0643\u062f\u0631\u0627\u0633\u0629 \u0646\u0647\u0627\u0626\u064a\u0629 \u0644\u0648\u0627\u062c\u0628\u0627\u062a \u0627\u0644\u0645\u0639\u062f\u0627\u062a.<\/p>\n<h2>\u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0648\u062d\u062f\u0648\u062f \u0627\u0644\u0623\u0645\u0627\u0646<\/h2><p>\u064a\u0648\u0641\u0631 \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u062f\u0639\u0645\u0627\u064b \u0644\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0648\u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a\u061b \u0648\u0647\u0648 \u0644\u0627 \u064a\u063a\u0646\u064a \u0639\u0646 \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u060c \u0623\u0648 \u0627\u0644\u0643\u0648\u062f \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u060c \u0623\u0648 \u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u060c \u0623\u0648 \u0623\u0639\u0645\u0627\u0644 \u0637\u0627\u0642\u0645 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0627\u0644\u0645\u0624\u0647\u0644. \u062a\u062d\u0642\u0642 \u0645\u0645\u0651\u0627 \u064a\u0644\u064a \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\u060c \u0623\u0648 \u0627\u062e\u062a\u0628\u0627\u0631\u0647\u0627\u060c \u0623\u0648 \u062a\u0648\u0635\u064a\u0644 \u0623\u0633\u0644\u0627\u0643\u0647\u0627\u060c \u0623\u0648 \u062a\u0634\u063a\u064a\u0644\u0647\u0627:<\/p><ul><li>\u062a\u0623\u0643\u062f \u0645\u0646 \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u0625\u0644\u0649 \u0627\u0644\u062e\u0637 \u0648\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0637\u0648\u0631 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646.<\/li><li>\u0642\u0645 \u0628\u062a\u0637\u0628\u064a\u0642 \u0639\u0644\u0627\u0642\u0627\u062a \u062f\u0644\u062a\u0627\/\u0648\u0627\u064a \u0642\u0628\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0645\u064a\u0627\u062a \u0627\u0644\u0645\u0644\u0641\u0627\u062a.<\/li><li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0639\u0627\u0648\u0642\u0629 \u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645 \u0648\u062a\u0641\u0627\u0648\u062a\u0647\u0627.<\/li><li>\u062a\u0636\u0645\u064a\u0646 \u0645\u0633\u0627\u0647\u0645\u0629 \u0627\u0644\u0643\u0627\u0628\u0644 \u0648\u0627\u0644\u0645\u062d\u0631\u0643 \u0648\u0627\u0644\u0645\u0635\u062f\u0631 \u0641\u064a \u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629.<\/li><li>\u0641\u0635\u0644 \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0633\u0627\u0628 \u0639\u0646 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0643\u0648\u062f.<\/li><\/ul>\n<h2>\u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u062f \u062a\u0636\u0645\u064a\u0646\u0647\u0627 \u0641\u064a \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0623\u0633\u0639\u0627\u0631<\/h2><p>\u064a\u062c\u0628 \u0623\u0646 \u062a\u0633\u062a\u0646\u062f \u0623\u064a \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631 \u0645\u0641\u064a\u062f \u0625\u0644\u0649 \u0646\u0641\u0633 \u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0644\u0643\u0644 \u0645\u064f\u0648\u0631\u0650\u0651\u062f. \u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0648\u0645\u0637\u0627\u0644\u0628\u0629 \u0628\u0630\u0643\u0631 \u062c\u0645\u064a\u0639 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641\u0627\u062a \u0635\u0631\u0627\u062d\u0629\u064b:<\/p><ul><li>\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631\u060c \u0648\u062c\u0647\u0648\u062f \u0627\u0644\u062e\u0637\u060c \u0648\u0627\u0644\u0648\u062c\u0647\u060c \u0648\u0627\u0644\u062a\u0631\u062f\u062f \u0648\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u062a\u062c\u0647\u0627\u062a.<\/li><li>\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629\u060c \u0648\u0627\u0644\u0628\u0646\u0648\u062f (\u0623\u0648 \u0627\u0644\u0646\u0642\u0627\u0637)\u060c \u0648\u0627\u0644\u062a\u0646\u0638\u064a\u0645\u060c \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u0639\u0637\u0644 \u0627\u0644\u0645\u0635\u062f\u0631.<\/li><li>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0627\u0644\u064a\u060c \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629\u060c \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u0627\u0641\u0642\u0627\u062a.<\/li><li>\u0627\u0644\u0645\u062d\u064a\u0637\u060c \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u060c \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0648\u0627\u0644\u0646\u0645\u0648 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a.<\/li><li>\u0627\u0644\u062f\u0631\u0627\u0633\u0627\u062a \u0648\u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0648\u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0636\u0645\u0648\u0646\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629.<\/li><\/ul>\n<h2>\u0645\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0625\u0644\u0649 \u0642\u0631\u0627\u0631 \u0645\u0639\u062a\u0645\u062f<\/h2><p>\u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0631\u0627\u062c\u0639\u0629 \u0639\u0644\u0649 \u0645\u0631\u0627\u062d\u0644 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0639\u0644\u0649 \u0623\u0648\u0644 \u0645\u0637\u0627\u0628\u0642\u0629 \u0641\u064a \u0627\u0644\u0643\u062a\u0627\u0644\u0648\u062c. \u0627\u0628\u062f\u0623 \u0628\u0642\u062f\u0631\u0629 \u0627\u0644\u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 (kVA) \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 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\u0633\u0627\u0631\u064a\u0627\u064b.<\/p>\n<p>\u064a\u062c\u0628 \u0623\u0646 \u062a\u062d\u062f\u062f \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629\u060c \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629\u060c \u0648\u0627\u0644\u0645\u0644\u0641\u0627\u062a \u0627\u0644\u0645\u0644\u063a\u0627\u0629. \u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0644\u0642\u0649 \u0627\u0644\u0641\u0631\u0642 \u0627\u0644\u0645\u064a\u062f\u0627\u0646\u064a\u0629 \u0646\u0641\u0633 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0644\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u062c\u0628 \u0623\u0646 \u062a\u0633\u062c\u0644 \u0633\u062c\u0644\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a 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\u0648\u0645\u0627 \u0647\u064a \u0635\u064a\u063a\u0629 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0645\u062d\u0648\u0644 \u062b\u0644\u0627\u062b\u064a \u0627\u0644\u0637\u0648\u0631 \u0628\u0623\u062d\u0645\u0627\u0644 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0648\u0631\u060c \u0648\u0643\u064a\u0641 \u064a\u0624\u062b\u0631 \u062a\u0648\u0635\u064a\u0644 \u062f\u0644\u062a\u0627 \u0639\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u060c \u0648\u0627\u0644\u062c\u062f\u0648\u0644 1. \u062a\u0639\u0627\u0644\u062c \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u064a\u0646 \u062a\u0644\u0643 \u0628\u062a\u0633\u0644\u0633\u0644 \u0647\u0646\u062f\u0633\u064a \u0648\u062a\u0634\u062a\u0631\u064a \u0627\u0644\u0623\u0635\u0644\u064a\u061b \u0648\u062a\u0645 \u0627\u0633\u062a\u0628\u0639\u0627\u062f 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\u0623\u0645\u0628\u064a\u0631<\/a> <a href=\"https:\/\/lbajiele.com\/ar\/blog\/transformer-calculator-calculator-and-formula-guide\/\">\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/a>. \u062a\u0633\u0627\u0639\u062f \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0641\u064a \u0631\u0628\u0637 \u0627\u0644\u062d\u0633\u0627\u0628 \u0623\u0648 \u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0643\u0648\u0646 \u0628\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0643\u0627\u0645\u0644\u0629 \u0644\u0644\u0645\u062d\u0648\u0644\u060c \u0623\u0648 \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0623\u0648 \u0627\u0644\u062a\u062d\u0643\u0645\u060c \u0623\u0648 \u0627\u0644\u062a\u0648\u0632\u064a\u0639.<\/p>\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<\/div>\n<\/div>\n<section class=\"lbaji-technical-references\"><h2>\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><ul><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/588\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">IEC 60076-1<\/a> \u2014 \u0642\u062f\u0631\u0627\u062a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629.<\/li><li><a href=\"https:\/\/www.nist.gov\/pml\/owm\/si-units-electric-current-ampere\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062f\u0648\u0644\u064a \u0644\u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u062a\u0627\u0628\u0639\u0629 \u0644\u0644\u0645\u0639\u0647\u062f \u0627\u0644\u0648\u0637\u0646\u064a \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0648\u0627\u0644\u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627<\/a> \u2014 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629.<\/li><li><a href=\"https:\/\/www.nfpa.org\/codes-and-standards\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u0623\u0643\u0648\u0627\u062f \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062c\u0645\u0639\u064a\u0629 \u0627\u0644\u0648\u0637\u0646\u064a\u0629 \u0644\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u064a\u0642 (NFPA)<\/a> \u2014 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629.<\/li><\/ul><\/section>\n<h2>\u062e\u0627\u062a\u0645\u0629<\/h2><p>\u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631 \u062a\u0643\u0648\u0646 \u0645\u0648\u062b\u0648\u0642\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0645 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062a\u0645\u064a\u064a\u0632 \u0643\u0645\u064a\u0627\u062a \u0627\u0644\u062e\u0637 \u0648\u0627\u0644\u0637\u0648\u0631 \u0648\u0627\u0644\u0648\u0635\u0648\u0644 \u0648\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629 \u0628\u0648\u0636\u0648\u062d. \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0635\u064a\u063a \u0644\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u0634\u0641\u0627\u0641\u060c \u062b\u0645 \u0623\u0643\u0645\u0644 \u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062a\u0646\u0638\u064a\u0645 \u0648\u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0648\u0627\u0644\u0643\u0648\u062f \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647\u0627.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u062a\u0633\u062a\u062e\u062f\u0645 \u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629:\n\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = \u0627\u0644\u062c\u0630\u0631 \u0627\u0644\u062a\u0631\u0628\u064a\u0639\u064a \u0644\u0640 3 \u00d7 \u062c\u0647\u062f \u0627\u0644\u062e\u0637 \u00d7 \u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0637 \u00f7 1,000\n\u0648\u0627\u0644\u062a\u064a\u0627\u0631 = \u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u00d7 1,000 \u00f7 (\u0627\u0644\u062c\u0630\u0631 \u0627\u0644\u062a\u0631\u0628\u064a\u0639\u064a \u0644\u0640 3 \u00d7 \u062c\u0647\u062f \u0627\u0644\u062e\u0637)\u061b\n\u0628\u064a\u0646\u0645\u0627 \u062a\u062a\u0637\u0644\u0628 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0648\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629\u060c \u0648\u0647\u0628\u0648\u0637 \u0627\u0644\u062c\u0647\u062f\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0628\u064a\u0627\u0646\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0644\u0644\u0645\u062d\u0648\u0644.<\/p>","protected":false},"author":6,"featured_media":2890,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[52],"tags":[64,66,67,69,65],"class_list":["post-2891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-transformers","tag-three-phase-transformer","tag-transformer-capacity","tag-transformer-efficiency","tag-transformer-protection","tag-transformer-sizing"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/2891","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=2891"}],"version-history":[{"count":1,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/2891\/revisions"}],"predecessor-version":[{"id":3023,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/2891\/revisions\/3023"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/media\/2890"}],"wp:attachment":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/media?parent=2891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/categories?post=2891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/tags?post=2891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}