{"id":11396,"date":"2026-09-02T00:34:44","date_gmt":"2026-09-01T16:34:44","guid":{"rendered":"https:\/\/subian-electric.com\/?p=11396"},"modified":"2026-09-02T00:36:23","modified_gmt":"2026-09-01T16:36:23","slug":"neutral-earthing-resistor","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ar\/blog\/neutral-earthing-resistor\/","title":{"rendered":"\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629 (NER): \u0645\u0628\u062f\u0623 \u0627\u0644\u0639\u0645\u0644\u060c \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631"},"content":{"rendered":"<p>\u0639\u0646\u062f \u0627\u0644\u0627\u0633\u062a\u0634\u0627\u0631\u0629\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0630\u0643\u0631 \u0627\u0644\u0645\u0631\u062d\u0644\u0627\u062a\u060c \u0648\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0623\u0648 \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 (CTs) \u0644\u0645\u0646\u0627\u0642\u0634\u0629 \u0643\u064a\u0641\u064a\u0629 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0636\u062f \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0641\u0639\u0644\u064a \u0628\u0634\u0623\u0646 \u0642\u0648\u0629 \u0627\u0644\u0639\u0637\u0644 \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0633\u064a\u062a\u0645 \u0625\u064a\u0642\u0627\u0641 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0646\u0634\u0623\u0629 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0623\u0648 \u0641\u0642\u0637 \u0623\u062d\u062f \u0627\u0644\u0645\u063a\u0630\u064a\u0627\u062a \u064a\u062a\u0645 \u0627\u062a\u062e\u0627\u0630\u0647 \u0628\u0648\u0627\u0633\u0637\u0629 \u0645\u0642\u0627\u0648\u0645. \u064a\u064f\u0639\u062a\u0628\u0631 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (NER) \u0648\u0627\u062d\u062f\u064b\u0627 \u0645\u0646 \u0623\u0643\u062b\u0631 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637 (MV)\u060c \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0647\u0646\u0627\u0643 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0642\u0644\u064a\u0644\u0629 \u0639\u0646\u0647 \u0644\u0644\u0623\u0634\u062e\u0627\u0635 \u062e\u0627\u0631\u062c \u0645\u062c\u0627\u0644 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629. \u062a\u063a\u0637\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0645\u0627 \u0647\u0648 NER\u060c \u0648\u0643\u064a\u0641 \u064a\u0639\u0645\u0644\u060c \u0648\u0623\u062c\u0632\u0627\u0624\u0647\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 NERs\u060c \u0648\u0643\u0645 \u064a\u0643\u0644\u0641.<\/p>\n<blockquote><p>\u0625\u062c\u0627\u0628\u0629 \u0633\u0631\u064a\u0639\u0629: NER\/NGR \u0623\u0648 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u064a\u0639\u0646\u064a \u0645\u0642\u0627\u0648\u0645\u064b\u0627 \u064a\u0631\u0628\u0637 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0648\u0644\u062f \u0623\u0648 \u0627\u0644\u0645\u062d\u0648\u0644 \u0628\u0627\u0644\u0623\u0631\u0636. \u0647\u0630\u0647 \u0627\u0644\u0623\u062f\u0627\u0629 \u062a\u0647\u062f\u0641 \u0625\u0644\u0649 \u062a\u0642\u064a\u064a\u062f \u062a\u064a\u0627\u0631 \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636 \u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0637\u0648\u0631 \u0636\u0645\u0646 \u062d\u062f\u0648\u062f \u0645\u0642\u0628\u0648\u0644\u0629 \u0648\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0625\u062f\u0627\u0631\u0629\u060c \u0623\u064a \u0641\u064a \u0646\u0637\u0627\u0642 \u0639\u0634\u0631\u0627\u062a \u0623\u0648 \u0645\u0626\u0627\u062a \u0627\u0644\u0623\u0645\u0628\u064a\u0631\u0627\u062a \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0622\u0644\u0627\u0641.<\/p><\/blockquote>\n<h2 style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11397\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/Neutral-Earthing-Resistor-NER.webp\" alt=\"\u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (NER)\" width=\"1448\" height=\"1086\" \/><\/h2>\n<h2>\u0645\u0627 \u0647\u0648 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u061f<\/h2>\n<p>\u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0647\u0648 \u0628\u0627\u0644\u0636\u0628\u0637 \u0645\u0627 \u064a\u0628\u062f\u0648 \u0639\u0644\u064a\u0647: \u0645\u0642\u0627\u0648\u0645 \u0645\u062a\u0635\u0644 \u0628\u064a\u0646 \u0646\u0642\u0637\u0629 \u062d\u064a\u0627\u062f\u064a\u0629 \u0644\u0644\u0645\u0648\u0644\u062f \u0623\u0648 \u0627\u0644\u0645\u062d\u0648\u0644 \u0648\u0627\u0644\u0623\u0631\u0636 \u0641\u064a \u062a\u0644\u0643 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0648\u0635\u0644\u0627\u062a \u0645\u062d\u0627\u064a\u062f\u0629 (\u0644\u0641\u0627\u062a \u0645\u062a\u0635\u0644\u0629 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0646\u062c\u0645\u0629). \u0625\u0646\u0647 \u0639\u0646\u0635\u0631 \u064a\u064f\u062f\u0631\u062c \u0641\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u062a\u062f\u0641\u0642 \u062a\u064a\u0627\u0631 \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636 \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062a\u0635\u0644 \u0641\u064a\u0647\u0627 \u0623\u062d\u062f \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0628\u0627\u0644\u0623\u0631\u0636. \u0643\u0645\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u062f\u0648\u062f \u0643\u0628\u064a\u0631\u0629 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0644\u062a\u0641\u0627\u0639\u0644 \u0627\u0644\u0645\u0631\u062d\u0644 \u0645\u0639\u0647\u0627 \u0648\u0635\u063a\u064a\u0631\u0629 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0644\u0639\u062f\u0645 \u0625\u062a\u0644\u0627\u0641 \u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0623\u0648 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0623\u0634\u062e\u0627\u0635.<\/p>\n<p>\u064a\u062d\u062a\u0644 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0645\u0648\u0642\u0639\u064b\u0627 \u0648\u0633\u064a\u0637\u064b\u0627 \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u062b\u0646\u064a\u0646 \u0645\u0646 \u0627\u0644\u062a\u0637\u0631\u0641\u0627\u062a\u060c \u0648\u0647\u0645\u0627 \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0624\u0631\u0636\u0629 \u0628\u0634\u0643\u0644 \u0635\u0644\u0628 (\u062d\u064a\u062b \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0635\u0644 \u062a\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0637\u0644 \u0645\u0646 \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636 \u0625\u0644\u0649 \u0622\u0644\u0627\u0641 \u0627\u0644\u0623\u0645\u0628\u064a\u0631\u0627\u062a) \u0648\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0624\u0631\u0636\u0629 (\u0628\u062f\u0648\u0646 \u0645\u062d\u0627\u064a\u062f \u0645\u0624\u0631\u0636 \u0639\u0645\u062f\u064b\u0627\u060c \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636 \u063a\u064a\u0631 \u0645\u0631\u0626\u064a). \u064a\u062c\u0639\u0644 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u062a\u062f\u0641\u0642 \u062a\u064a\u0627\u0631 \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636\u060c \u0648\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0623\u0639\u0637\u0627\u0644\u060c \u0648\u0627\u0644\u062c\u0647\u0648\u062f \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0627\u0644\u0639\u0627\u0628\u0631\u0629.<\/p>\n<p>\u0627\u0644\u0635\u0648\u0631\u0629 \u0627\u0644\u0623\u0648\u0633\u0639 \u0644\u0644\u062a\u0623\u0631\u064a\u0636 - \u0644\u0645\u0627\u0630\u0627 \u0648\u0643\u064a\u0641 \u064a\u062a\u0645 \u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u064a\u0646 \u0641\u064a \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a - \u064a\u062a\u0645 \u062a\u063a\u0637\u064a\u062a\u0647 \u0641\u064a <a href=\"\/ar\/blog\/transformer-grounding-basics\/\">\u0623\u0633\u0627\u0633\u064a\u0627\u062a \u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/a> \u0627\u0644\u0645\u0642\u0627\u0644\u061b NER \u0647\u0648 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0630\u064a \u064a\u062c\u0639\u0644 \u0641\u0644\u0633\u0641\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u062a\u0639\u0645\u0644.<\/p>\n<h2>\u0643\u064a\u0641 \u062a\u0639\u0645\u0644<\/h2>\n<p>\u0627\u0639\u062a\u0628\u0631 \u0627\u0644\u062d\u0627\u0644\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u0639\u0637\u0644 \u0645\u0646 \u0627\u0644\u0637\u0648\u0631 C \u0625\u0644\u0649 \u0627\u0644\u0623\u0631\u0636 \u0641\u064a \u0645\u062d\u0648\u0644 \u0645\u062a\u0635\u0644 \u0628\u062a\u0643\u0648\u064a\u0646 Y. \u064a\u062a\u0643\u0648\u0646 \u0645\u0633\u0627\u0631 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0645\u0646: \u0646\u0642\u0637\u0629 \u0627\u0644\u0639\u0637\u0644\u060c \u0627\u0644\u0623\u0631\u0636\u060c NER\u060c \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u062d\u0648\u0644\u060c \u0648\u0644\u0641\u0627\u0626\u0641 \u0627\u0644\u0637\u0648\u0631 C. \u0647\u0646\u0627\u0643 \u0645\u0642\u0627\u0648\u0645 \u0641\u064a NER\u060c \u0648\u0648\u0641\u0642\u064b\u0627 \u0644\u0642\u0627\u0646\u0648\u0646 \u0623\u0648\u0645\u060c \u0641\u0625\u0646 \u0627\u0644\u062d\u0644 \u0648\u0627\u0636\u062d.<\/p>\n<p>\u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 (\u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 IEEE Std 32): R = Vln \/ (\u221a3 \u00d7 If) \u060c \u062d\u064a\u062b \u062a\u0645\u062b\u0644 Vln \u062c\u0647\u062f \u0627\u0644\u062e\u0637\u0648\u0637 \u0641\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u0628\u064a\u0646 \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0648 If \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636\u064a. \u0628\u0639\u0628\u0627\u0631\u0629 \u0623\u062e\u0631\u0649\u060c \u0625\u0630\u0627 \u0623\u062e\u0630\u0646\u0627 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u062d\u0627\u0644\u0629 \u0646\u0638\u0627\u0645 6kV \u0645\u0639 \u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u0630\u064a \u0644\u0647 \u0645\u0642\u0627\u0648\u0645\u0629 \u0642\u062f\u0631\u0647\u0627 10 \u0623\u0648\u0645\u060c \u0641\u0625\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0641\u0634\u0644 \u064a\u0646\u062e\u0641\u0636 \u0645\u0646 1000 A \u0641\u064a \u0646\u0638\u0627\u0645 \u0645\u0624\u0631\u0636 \u0628\u0634\u0643\u0644 \u0641\u0639\u0627\u0644 \u0625\u0644\u0649 \u062d\u0648\u0627\u0644\u064a 346 A\u060c \u0648\u0647\u0648 \u0645\u0627 \u064a\u0632\u0627\u0644 \u0643\u0627\u0641\u064a\u064b\u0627 \u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0631\u062d\u0644 \u0648\u0644\u0643\u0646\u0647 \u0645\u0646\u062e\u0641\u0636 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0644\u0644\u0633\u0645\u0627\u062d \u0644\u0644\u0643\u0627\u0628\u0644\u0627\u062a\u060c \u0648\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062a\u0628\u062f\u064a\u0644\u060c \u0648\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0639\u0637\u0644 \u0628\u0627\u0644\u062a\u0639\u0627\u0641\u064a \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0627\u0644\u0623\u0636\u0631\u0627\u0631.<\/p>\n<p>\u0647\u0646\u0627\u0643 \u062b\u0644\u0627\u062b\u0629 \u0623\u0634\u064a\u0627\u0621 \u062a\u062d\u062f\u062b \u0641\u064a \u0648\u0642\u062a \u0648\u0627\u062d\u062f \u062e\u0644\u0627\u0644 \u062d\u062f\u062b \u0627\u0644\u0639\u0637\u0644. \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0628\u0648\u0627\u0633\u0637\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629\u060c \u0648\u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062c\u0647\u0648\u062f \u0628\u0648\u0627\u0633\u0637\u0629 \u0648\u062d\u062f\u0629 NER \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0644\u0644\u0645\u0631\u062d\u0644 \u0628\u0627\u0644\u0643\u0634\u0641 \u0639\u0646 \u0627\u0644\u0639\u0637\u0644 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d\u060c \u0648\u064a\u062a\u0645 \u062a\u0641\u0631\u064a\u063a \u0637\u0627\u0642\u0629 \u0627\u0644\u0639\u0637\u0644 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0639\u0644\u0649 \u0634\u0643\u0644 \u062d\u0631\u0627\u0631\u0629\u060c \u0645\u0645\u0627 \u064a\u062b\u0628\u062a \u0623\u0646 NER \u0645\u0635\u0646\u0641\u0629 \u0641\u0642\u0637 \u0644\u0641\u062a\u0631\u0629 \u0642\u0635\u064a\u0631\u0629 \u0648\u0644\u0643\u0646 \u0644\u064a\u0633 \u0641\u064a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11398\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/Types-of-NER.webp\" alt=\"\u0623\u0646\u0648\u0627\u0639 NER\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u0623\u0646\u0648\u0627\u0639 NER<\/h2>\n<p>\u064a\u062a\u0645 \u062a\u0635\u0646\u064a\u0641 NERs \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0645\u0642\u062f\u0627\u0631 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0630\u064a \u062a\u0633\u0645\u062d \u0628\u0647\u060c \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0646\u0648\u0639 NER \u0647\u0648 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u062f\u0641\u0648\u0639 \u0628\u0641\u0644\u0633\u0641\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629:<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u0627\u0644\u0646\u0648\u0639<\/th>\n<th>\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644<\/th>\n<th>\u0627\u0644\u0633\u0644\u0648\u0643 \u0639\u0646\u062f \u0627\u0644\u0639\u0637\u0644<\/th>\n<th>\u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<tr>\n<td>NER \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 (LRG)<\/td>\n<td>100-1,000A (\u0628\u0639\u0636 \u0627\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u062a\u0635\u0644 \u0625\u0644\u0649 2,500A)<\/td>\n<td>\u0627\u0644\u0645\u0631\u062d\u0644 \u064a\u0646\u0641\u0635\u0644 \u0628\u0633\u0631\u0639\u0629\u061b \u0627\u0644\u062a\u063a\u0630\u064a\u0629 \u0645\u0639\u0632\u0648\u0644\u0629<\/td>\n<td>\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629\u060c \u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u0648\u0644\u062f\u0627\u062a<\/td>\n<\/tr>\n<tr>\n<td>NER \u0639\u0627\u0644\u064a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 (HRG)<\/td>\n<td>\u226410\u0623<\/td>\n<td>\u0644\u0627 \u064a\u0648\u062c\u062f \u0641\u0635\u0644\u061b \u0625\u0646\u0630\u0627\u0631 \u0641\u0642\u0637\u061b \u0627\u0644\u0646\u0638\u0627\u0645 \u064a\u0633\u062a\u0645\u0631 \u0641\u064a \u0627\u0644\u0639\u0645\u0644<\/td>\n<td>\u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629\u060c \u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u0648\u0642\u0641 \u0623\u0633\u0648\u0623 \u0645\u0646 \u0627\u0644\u0639\u0637\u0644<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u062a\u0635\u0644 \u0628\u0634\u0643\u0644 \u062f\u0627\u0626\u0645<\/td>\n<td>\u2014<\/td>\n<td>\u062f\u0627\u0626\u0645\u064b\u0627 \u0641\u064a \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/td>\n<td>\u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0648\u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u062d\u0633\u0627\u0633\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u062a\u0635\u0644 \u0645\u0624\u0642\u062a\u064b\u0627 \/ \u0645\u062d\u0645\u0648\u0644<\/td>\n<td>\u2014<\/td>\n<td>\u064a\u062a\u0645 \u062a\u0634\u063a\u064a\u0644\u0647 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0623\u0639\u0637\u0627\u0644\u060c \u0623\u0648 \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0644\u0627\u062e\u062a\u0628\u0627\u0631<\/td>\n<td>\u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0627\u0644\u0635\u064a\u0627\u0646\u0629\u060c \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u064a\u062f\u0627\u0646\u064a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0639\u0646\u062f \u0627\u062a\u062e\u0627\u0630 \u0642\u0631\u0627\u0631 \u0628\u064a\u0646 LRG \u0648 HRG\u060c \u0627\u0644\u0633\u0624\u0627\u0644 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0627\u0644\u0625\u062c\u0627\u0628\u0629 \u0639\u0644\u064a\u0647 \u0647\u0648 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0648\u0642\u0641 \u0623\u0633\u0648\u0623 \u0645\u0646 \u0627\u0644\u0639\u0637\u0644. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0644\u0645\u0631\u0627\u0641\u0642 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u062d\u0645\u0644 \u0627\u0646\u0642\u0637\u0627\u0639\u064b\u0627 \u0642\u0635\u064a\u0631\u064b\u0627\u060c \u0641\u0633\u0648\u0641 \u062a\u062e\u062a\u0627\u0631 LRG \u0627\u0644\u062a\u064a \u062a\u0643\u0648\u0646 \u0633\u0631\u064a\u0639\u0629 \u0648\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0645\u0635\u0646\u0639 \u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0645\u0639\u0646\u064a\u064b\u0627 \u0628\u0623\u0646\u0634\u0637\u0629 \u062d\u064a\u062b \u0642\u062f \u064a\u0624\u062f\u064a \u0627\u0644\u062a\u0648\u0642\u0641 \u063a\u064a\u0631 \u0627\u0644\u0645\u062e\u0637\u0637 \u0644\u0647 \u0625\u0644\u0649 \u062a\u0635\u0644\u0628 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0641\u0633\u064a\u062a\u0645 \u0627\u062e\u062a\u064a\u0627\u0631 HRG \u0644\u0644\u0633\u0645\u0627\u062d \u0628\u0627\u0644\u0627\u0639\u062a\u0631\u0627\u0641 \u0628\u0627\u0644\u0639\u0637\u0644 \u0628\u064a\u0646\u0645\u0627 \u062a\u0633\u062a\u0639\u062f \u0627\u0644\u0645\u0646\u0634\u0623\u0629 \u0644\u0625\u064a\u0642\u0627\u0641 \u0645\u0646\u0638\u0645. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u062d\u0648\u0644 \u0647\u0630\u0647 \u0627\u0644\u062e\u064a\u0627\u0631\u0627\u062a\u060c \u0641\u0625\u0646 <a href=\"\/ar\/blog\/earth-fault-protection-basics\/\">\u0623\u0633\u0627\u0633\u064a\u0627\u062a \u062d\u0645\u0627\u064a\u0629 \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0623\u0631\u0636<\/a> \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u062a\u0648\u0636\u062d \u0643\u064a\u0641 \u064a\u0639\u0645\u0644 \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0648\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u0631\u062d\u0644 \u0645\u0639\u064b\u0627.<\/p>\n<h2>\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0627\u0644\u0628\u0646\u0627\u0621<\/h2>\n<p>\u064a\u062a\u0643\u0648\u0646 \u0646\u0638\u0627\u0645 NER \u0627\u0644\u062d\u062f\u064a\u062b \u0645\u0646 \u0623\u0643\u062b\u0631 \u0645\u0646 \u0645\u062c\u0631\u062f \u0639\u0646\u0635\u0631 \u0645\u0642\u0627\u0648\u0645 \u0645\u062d\u0634\u0648 \u0641\u064a \u063a\u0644\u0627\u0641. \u0625\u0644\u064a\u0643 \u0645\u0627 \u064a\u062a\u0643\u0648\u0646 \u0645\u0646\u0647 \u0648\u062d\u062f\u0629 \u0646\u0645\u0648\u0630\u062c\u064a\u0629:<\/p>\n<ul>\n<li>\u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629: \u0634\u0628\u0643\u0627\u062a \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 (304\/316\/316L) \u0641\u064a \u0645\u0639\u0638\u0645 \u0627\u0644\u062d\u0627\u0644\u0627\u062a\u060c \u0633\u0628\u064a\u0643\u0629 \u0627\u0644\u0646\u064a\u0643\u0644 \u0648\u0627\u0644\u0643\u0631\u0648\u0645 (Cr20Ni80) \u0644\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0635\u0639\u0628\u0629 \u0623\u0648 \u0627\u0644\u062d\u062f\u064a\u062f \u0648\u0627\u0644\u0643\u0631\u0648\u0645 \u0648\u0627\u0644\u0623\u0644\u0645\u0646\u064a\u0648\u0645 (FeCrAl) \u0644\u0644\u062a\u0635\u0627\u0645\u064a\u0645 \u0627\u0644\u0627\u0642\u062a\u0635\u0627\u062f\u064a\u0629. \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0642\u0627\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0639\u0645\u0644 \u062a\u062d\u062a \u0623\u0648\u0636\u0627\u0639 \u0642\u0635\u064a\u0631\u0629 \u0627\u0644\u0623\u062c\u0644 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0644\u0627 \u062a\u0632\u064a\u062f \u0639\u0646 760\u00baC (IEEE 32) \u0648 \u2264385\u00baC \u062a\u062d\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631.<\/li>\n<li>\u0646\u0638\u0627\u0645 \u0627\u0644\u0639\u0632\u0644: \u064a\u062c\u0628 \u0623\u0646 \u064a\u0644\u0628\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0648\u0623\u0646 \u064a\u0643\u0648\u0646 \u0641\u0639\u0627\u0644\u064b\u0627 \u0639\u0646\u062f \u062a\u062d\u0645\u0644 \u062a\u0631\u062f\u062f \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0646\u0628\u0636 \u0627\u0644\u0623\u0633\u0627\u0633\u064a (BIL) \u0641\u064a\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0628\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0634\u0628\u0643\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 NER \u0628\u062c\u0647\u062f 10 kV \u0642\u0627\u062f\u0631\u064b\u0627 \u0639\u0644\u0649 \u062a\u062d\u0645\u0644 42 kV \u0639\u0646\u062f \u062a\u0631\u062f\u062f \u0627\u0644\u0637\u0627\u0642\u0629 \u064875 kV \u0646\u0628\u0636\u0629).<\/li>\n<li>\u0627\u0644\u062d\u0627\u0648\u064a\u0629: IP20\/IP23 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0648 IP54\/IP55 \u0645\u0639 \u062a\u0647\u0648\u064a\u0629 \u0645\u0634\u0628\u0643\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062e\u0627\u0631\u062c\u064a.<\/li>\n<li>\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629: \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0645\u062d\u0648\u0644 \u062a\u064a\u0627\u0631 \u0644\u0642\u064a\u0627\u0633 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644\u060c \u0648\u0639\u0627\u0632\u0644 \u0623\u0648 \u0642\u0627\u0637\u0639 \u0641\u0631\u0627\u063a \u0644\u0641\u0635\u0644 NER \u0648\u062c\u0647\u0627\u0632 \u0645\u0631\u0627\u0642\u0628\u0629 NGR \u0645\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u062f\u0627\u0626\u0631\u0629 \u0645\u0641\u062a\u0648\u062d\u0629\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 PT100\u060c \u0648\u0645\u0633\u062c\u0644\u0627\u062a \u0627\u0644\u0623\u062d\u062f\u0627\u062b.<\/li>\n<\/ul>\n<p>\u0639\u0646\u062f \u0634\u0631\u0627\u0621 NER\u060c \u0641\u0625\u0646 \u0645\u062d\u0648\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0647\u0648 \u062c\u0632\u0621 \u0635\u063a\u064a\u0631 \u0648\u0644\u0643\u0646\u0647 \u062d\u0627\u0633\u0645 - \u0641\u0647\u0648 \u0645\u0627 \u062a\u0642\u0631\u0623\u0647 \u0627\u0644\u0645\u0631\u062d\u0644\u060c \u0648 <a href=\"\/ar\/product\/current-transformer\/\">\u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646\u062a\u062c\u0627\u062a \u0645\u062d\u0648\u0644 \u0627\u0644\u062a\u064a\u0627\u0631<\/a> \u062a\u0634\u0631\u062d \u0639\u0627\u0626\u0644\u0629 CT \u0648\u062a\u0635\u0646\u064a\u0641\u0627\u062a\u0647\u0627.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11399\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/NER-The-Symbol-and-Circuit-Position.webp\" alt=\"NER \u0627\u0644\u0631\u0645\u0632 \u0648\u0645\u0648\u0642\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u0627\u0644\u0631\u0645\u0632 \u0648\u0645\u0648\u0642\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/h2>\n<p>\u0641\u064a \u0627\u0644\u0645\u062e\u0637\u0637\u0627\u062a \u0627\u0644\u0623\u062d\u0627\u062f\u064a\u0629\u060c \u064a\u062a\u0645 \u062a\u0645\u062b\u064a\u0644 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (NER) \u0628\u0648\u0627\u0633\u0637\u0629 \u062a\u062f\u0648\u064a\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 (\u0625\u0645\u0627 \u0645\u0633\u062a\u0637\u064a\u0644 \u0623\u0648 \u0645\u062a\u0639\u0631\u062c) \u0627\u0644\u0630\u064a \u064a\u0631\u0628\u0637 \u0637\u0631\u0641\u064b\u0627 \u0648\u0627\u062d\u062f\u064b\u0627 \u0645\u0639 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629 \u0625\u0645\u0627 \u0644\u0645\u062d\u0648\u0644 \u0623\u0648 \u0645\u0648\u0644\u062f \u0648\u0627\u0644\u0637\u0631\u0641 \u0627\u0644\u0622\u062e\u0631 \u0645\u0639 \u0631\u0645\u0632 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 (\u0634\u0643\u0644 \u0645\u062b\u0644\u062b \u0630\u0648 \u062b\u0644\u0627\u062b\u0629 \u062e\u0637\u0648\u0637). \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629 \u0645\u0648\u062c\u0648\u062f\u0629 (\u0627\u062a\u0635\u0627\u0644 \u062f\u0644\u062a\u0627)\u060c \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062d\u0648\u0644 \u062a\u0623\u0631\u064a\u0636 \u0644\u0625\u0646\u0634\u0627\u0621 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629\u061b \u0628\u0639\u062f \u0630\u0644\u0643\u060c \u064a\u062a\u0645 \u062a\u0648\u0635\u064a\u0644 NER \u0628\u062a\u0644\u0643 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629. \u0641\u064a \u0643\u0644 \u062d\u0627\u0644\u0629\u060c \u064a\u062a\u0645 \u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u064a\u0646 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629 \u0648\u0627\u0644\u0623\u0631\u0636 \u0648\u0644\u064a\u0633 \u0623\u0628\u062f\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0644\u064a \u0645\u0639 \u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0637\u0648\u0631.<\/p>\n<p>\u0625\u0630\u0627 \u0646\u0638\u0631 \u0627\u0644\u0645\u0631\u0621 \u0625\u0644\u0649 \u0631\u0633\u0648\u0645\u0627\u062a \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0623\u0648 \u0627\u0644\u0645\u0648\u0644\u062f\u0627\u062a\u060c \u064a\u0645\u0643\u0646 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 NER \u0641\u064a \u0645\u062e\u0637\u0637 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0645\u0639 \u0645\u062d\u0648\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (CT)\u060c \u0648\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u062a\u0623\u0631\u064a\u0636\u060c \u0648\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0642\u0636\u064a\u0628 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u060c \u0645\u0645\u0627 \u064a\u062b\u0628\u062a \u0645\u0641\u0647\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0641\u064a \u0622\u0646 \u0648\u0627\u062d\u062f.<\/p>\n<h2>\u0643\u064a\u0641\u064a\u0629 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 NER<\/h2>\n<p>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0647\u0648 \u0639\u0645\u0644\u064a\u0629 \u0645\u0646 \u0633\u062a \u062e\u0637\u0648\u0627\u062a\u060c \u062d\u064a\u062b \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u063a\u0641\u0627\u0644 \u0623\u064a \u0645\u0646\u0647\u0627 \u0625\u0644\u0649 \u062a\u0639\u0631\u064a\u0636 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0644\u0644\u062e\u0637\u0631 \u0623\u0648 \u062a\u0643\u0628\u062f \u062a\u0643\u0627\u0644\u064a\u0641 \u0628\u0627\u0647\u0638\u0629:<\/p>\n<ul>\n<li>\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646 - \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0627\u0633 \u0645\u0646 \u0627\u0644\u0623\u0631\u0636 \u0625\u0644\u0649 \u0627\u0644\u0637\u0648\u0631 \u0641\u064a \u0627\u0644\u0646\u0638\u0627\u0645 (Vln)\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u062c\u0647\u062f \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0646\u0628\u0636\u064a \u0627\u0644\u0630\u064a \u064a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628.<\/li>\n<li>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0647\u062f\u0641 \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644 (If) \u0623\u0639\u0644\u0649 \u0645\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u0634\u062d\u0646 \u0627\u0644\u0633\u0639\u0648\u064a \u0644\u0644\u0646\u0638\u0627\u0645 (\u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0634\u0631\u0631 \u0623\u0648 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0631\u0646\u064a\u0646\u064a) \u0648\u0644\u0643\u0646\u0647 \u0623\u0642\u0644 \u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u0643\u0627\u0628\u0644 \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a\u060c \u0645\u0639 \u0643\u0648\u0646\u0647 \u0623\u0639\u0644\u0649 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u062a\u0641\u0639\u064a\u0644 \u0627\u0644\u0645\u0631\u062d\u0644 (\u0644\u0627 \u064a\u0642\u0644 \u0639\u0646 10A).<\/li>\n<li>\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 = R = Vln \/ (\u221a3 \u00d7 If).<\/li>\n<li>\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0648\u0642\u062a = 10s-30s \u0644\u0640 LRG\u060c \u0645\u0633\u062a\u0645\u0631 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0627\u0644\u0623\u0645\u0631 \u0628\u0640 HRG \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u062a\u0635\u0646\u064a\u0641 \u0637\u0627\u0642\u0629 I\u00b2t (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0642\u0627\u062f\u0631 \u0639\u0644\u0649 \u062a\u062d\u0645\u0644 400 kA\u00b2s \u0639\u0646\u062f 10kA\/0.4s).<\/li>\n<li>\u0645\u0627\u062f\u0629 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 = \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629\u060c \u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0646\u064a\u0643\u0644 \u0648\u0627\u0644\u0643\u0631\u0648\u0645 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629.<\/li>\n<li>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0648\u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 = \u0633\u0648\u0627\u0621 \u0643\u0627\u0646\u062a \u0633\u062a\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0627\u0644\u062f\u0627\u062e\u0644 \u0623\u0648 \u0641\u064a \u0627\u0644\u062e\u0627\u0631\u062c\u060c \u0648\u0642\u064a\u0645\u0629 \u0648\u062d\u062f\u0627\u062a CT \u0648\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0645\u062f\u0645\u062c\u0629 (\u062f\u0631\u062c\u0629 \u062d\u0645\u0627\u064a\u0629 IP).<\/li>\n<\/ul>\n<p>\u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0647\u0646\u0627\u0643 \u062a\u0648\u0635\u064a\u0629 \u0639\u0645\u0644\u064a\u0629 \u0645\u0646 IEEE 32 \u0628\u0634\u0623\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0635\u0646\u064a\u0641 \u0645\u0633\u062a\u0645\u0631 \u0644\u0646\u0638\u0627\u0645 \u0635\u062d\u064a = 5%-10% \u0645\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0644\u062a\u062b\u0628\u064a\u062a\u0627\u062a \u0627\u0644\u0645\u062a\u0635\u0644\u0629 \u0628\u0627\u0633\u062a\u0645\u0631\u0627\u0631. \u0648\u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062c\u0647\u0627\u0632\u060c \u064a\u062c\u0628 \u062f\u0627\u0626\u0645\u064b\u0627 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u062f\u0629: \u201c\u062a\u0635\u0646\u064a\u0641 10 \u062b\u0648\u0627\u0646\u064d\u060c 400A\u201d \u0647\u0648 \u0645\u0646\u062a\u062c \u0645\u062e\u062a\u0644\u0641 \u062a\u0645\u0627\u0645\u064b\u0627 \u0639\u0646 \u201c\u0645\u0633\u062a\u0645\u0631\u060c 10A\u201d \u2013 \u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u062e\u0637\u0623 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a. \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u062a\u062d\u0648\u064a\u0644 \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u0646\u0638\u0627\u0645 \u0625\u0644\u0649 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c, <a href=\"\/ar\/contact-us\/\">\u0627\u062a\u0635\u0644 \u0628\u0641\u0631\u064a\u0642 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0644\u062f\u064a\u0646\u0627<\/a> \u0645\u0639 \u062c\u0647\u062f\u0643\u060c \u0641\u0644\u0633\u0641\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636\u060c \u0648\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629.<\/p>\n<h2>\u0627\u0644\u0641\u0648\u0627\u0626\u062f \u0648\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0623\u062e\u0631\u0649<\/h2>\n<p>\u0645\u0627 \u0647\u064a \u0645\u0632\u0627\u064a\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 NER \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0646\u0638\u0627\u0645 \u062a\u0623\u0631\u064a\u0636 \u0635\u0644\u0628 \u0623\u0648 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0646\u0638\u0627\u0645 \u062a\u0623\u0631\u064a\u0636\u061f<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636<\/th>\n<th>\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644<\/th>\n<th>\u0643\u0634\u0641 \u0627\u0644\u0623\u0639\u0637\u0627\u0644<\/th>\n<th>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062c\u0647\u062f<\/th>\n<th>\u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629<\/th>\n<\/tr>\n<tr>\n<td>\u0645\u0624\u0631\u0636 \u0628\u0634\u0643\u0644 \u0635\u0644\u0628<\/td>\n<td>\u0639\u0627\u0644\u064a \u062c\u062f\u064b\u0627 (1,000A)<\/td>\n<td>\u0645\u0645\u062a\u0627\u0632<\/td>\n<td>\u062c\u064a\u062f<\/td>\n<td>\u064a\u0646\u0642\u0637\u0639 \u0639\u0646\u062f \u062d\u062f\u0648\u062b \u0639\u0637\u0644<\/td>\n<\/tr>\n<tr>\n<td>NER (LRG)<\/td>\n<td>100-1,000A<\/td>\n<td>\u0645\u0645\u062a\u0627\u0632<\/td>\n<td>\u062c\u064a\u062f (\u062a\u062e\u0641\u064a\u0641 \u0627\u0644\u0642\u0648\u0633)<\/td>\n<td>\u064a\u0646\u0642\u0637\u0639 \u0639\u0646\u062f \u062d\u062f\u0648\u062b \u0639\u0637\u0644\u060c \u0628\u0634\u0643\u0644 \u0627\u0646\u062a\u0642\u0627\u0626\u064a<\/td>\n<\/tr>\n<tr>\n<td>NER (HRG)<\/td>\n<td>\u226410\u0623<\/td>\n<td>\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0625\u0646\u0630\u0627\u0631<\/td>\n<td>\u0645\u0645\u062a\u0627\u0632<\/td>\n<td>\u064a\u0633\u062a\u0645\u0631 \u0641\u064a \u0627\u0644\u0639\u0645\u0644<\/td>\n<\/tr>\n<tr>\n<td>\u063a\u064a\u0631 \u0645\u0624\u0631\u0636<\/td>\n<td>\u0644\u0627 \u0634\u064a\u0621 (\u0627\u0644\u0639\u0637\u0644 \u0627\u0644\u0623\u0648\u0644)<\/td>\n<td>\u0636\u0639\u064a\u0641\u0629<\/td>\n<td>\u0636\u0639\u064a\u0641 \u2014 \u0632\u064a\u0627\u062f\u0629 \u062c\u0647\u062f \u0627\u0644\u0642\u0648\u0633<\/td>\n<td>\u064a\u0639\u0645\u0644\u060c \u0648\u0644\u0643\u0646 \u0628\u0634\u0643\u0644 \u062e\u0637\u064a\u0631<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0627\u0644\u0645\u064a\u0632\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 NER \u0647\u064a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 (\u0623\u0642\u0635\u0649 \u062c\u0647\u062f \u0644\u0645\u0633\u0629 \u0623\u0642\u0644 \u0645\u0646 50V \u0648\u0641\u0642\u064b\u0627 \u0644\u0640 IEC 60479)\u060c \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0636\u062f \u062a\u0644\u0641 \u0627\u0644\u0645\u0639\u062f\u0627\u062a (\u0644\u0646 \u062a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u0632\u064a\u0627\u062f\u0627\u062a \u062c\u0647\u062f \u0645\u0646 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a)\u060c \u0627\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u0623\u0636\u0631\u0627\u0631 \u0639\u0646\u062f \u062d\u062f\u0648\u062b \u0627\u0644\u0639\u0637\u0644 (\u0633\u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644)\u060c \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629 (\u0633\u064a\u0639\u0645\u0644 \u0627\u0644\u0645\u0631\u062d\u0644 \u062f\u0648\u0646 \u062a\u0634\u063a\u064a\u0644 \u063a\u064a\u0631 \u0636\u0631\u0648\u0631\u064a) \u0648\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0646\u0638\u0627\u0645 (\u0633\u062a\u0643\u0648\u0646 \u0627\u0644\u0641\u0627\u0632\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0645\u0639\u0637\u0644\u0629 \u0644\u0647\u0627 \u062c\u0647\u062f \u064a\u0633\u0627\u0648\u064a \u062d\u062a\u0649 10% \u0645\u0646 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0623\u0643\u062b\u0631 \u0645\u0646 90% \u0645\u0646 \u0627\u0644\u0646\u0638\u0627\u0645 \u0633\u064a\u0639\u0645\u0644). \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u0644\u0627 \u064a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0623\u064a \u062a\u0648\u0642\u0641 \u0645\u0642\u0628\u0648\u0644 \u0644\u0644\u0623\u0639\u0645\u0627\u0644\u060c \u0641\u0625\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 NER \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0625\u064a\u0642\u0627\u0641 \u063a\u064a\u0631 \u0627\u0644\u0645\u062e\u0637\u0637 \u0648\u0638\u0647\u0648\u0631 \u0625\u0646\u0630\u0627\u0631 \u0645\u0633\u064a\u0637\u0631.<\/p>\n<h2>\u0646\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u0623\u0633\u0639\u0627\u0631<\/h2>\n<p>\u062a\u0639\u062a\u0645\u062f \u0623\u0633\u0639\u0627\u0631 NER \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u0627\u0644\u062c\u0647\u062f\u060c \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631\u060c \u0648\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0648\u0642\u062a\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0623\u064a \u0645\u0644\u062d\u0642\u0627\u062a \u0645\u0637\u0644\u0648\u0628\u0629.<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u0627\u0644\u062a\u0643\u0648\u064a\u0646<\/th>\n<th>\u0627\u0644\u0633\u0639\u0631 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<tr>\n<td>\u0648\u062d\u062f\u0629 HRG \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0647\u062f (\u0635\u063a\u064a\u0631\u0629\u060c \u062f\u0627\u062e\u0644\u064a\u0629)<\/td>\n<td>$1,500-5,000<\/td>\n<\/tr>\n<tr>\n<td>NER \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062c\u0647\u062f\u060c \u062a\u0635\u0646\u064a\u0641 10 \u062b\u0648\u0627\u0646\u064d\u060c \u062d\u0627\u0648\u064a\u0629 \u0623\u0633\u0627\u0633\u064a\u0629<\/td>\n<td>$3,000-12,000<\/td>\n<\/tr>\n<tr>\n<td>NER \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062c\u0647\u062f \u0645\u0639 \u0648\u062d\u062f\u0629 CT + \u0648\u062d\u062f\u0629 \u0645\u0631\u0627\u0642\u0628\u0629<\/td>\n<td>$8,000-20,000<\/td>\n<\/tr>\n<tr>\n<td>\u0648\u062d\u062f\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a (\u0641\u0626\u0629 35kV\u060c \u0639\u0646\u0627\u0635\u0631 NiCr\u060c \u062e\u0627\u0631\u062c\u064a\u0629 IP55\u060c \u0645\u0631\u0627\u0642\u0628\u0629 \u0643\u0627\u0645\u0644\u0629)<\/td>\n<td>$15,000-30,000+<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0623\u064a\u0636\u064b\u0627\u060c \u0633\u062a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u062a\u0643\u0627\u0644\u064a\u0641 \u062a\u0631\u0643\u064a\u0628 \u0645\u062b\u0644 \u062a\u0648\u0638\u064a\u0641 \u0637\u0627\u0642\u0645 \u0645\u0631\u062e\u0635\u060c \u0625\u0646\u0647\u0627\u0621\u0627\u062a \u0627\u0644\u0643\u0627\u0628\u0644\u0627\u062a\u060c \u0648\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0648\u0627\u0644\u062a\u064a \u0633\u062a\u0636\u064a\u0641 \u062a\u0642\u0631\u064a\u0628\u064b\u0627 10%-25% \u0625\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u062a\u0643\u0627\u0644\u064a\u0641\u0643. \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0634\u0631\u0627\u0621 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0648\u0627\u0644\u0645\u0631\u062d\u0644 \u0645\u0646 \u0645\u0635\u062f\u0631 \u0648\u0627\u062d\u062f \u0633\u064a\u0636\u0645\u0646 \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0641\u064a \u0646\u0638\u0627\u0645\u0643.<\/p>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3>\u0645\u0627 \u0647\u0648 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u061f<\/h3>\n<p>\u064a\u0645\u062b\u0644 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0645\u0639\u062a\u0627\u062f\u0629 \u0644\u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0645\u0646 \u0623\u062c\u0644 \u0627\u0644\u0633\u0644\u0627\u0645\u0629\u060c \u0645\u0646 \u062e\u0644\u0627\u0644 \u0631\u0628\u0637 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u0629\u060c \u0648\u0627\u0644\u0647\u064a\u0627\u0643\u0644\u060c \u0648\u0627\u0644\u0623\u063a\u0644\u0641\u0629 \u0644\u0644\u0646\u0638\u0627\u0645. \u0645\u0646 \u0646\u0627\u062d\u064a\u0629 \u0623\u062e\u0631\u0649\u060c \u0641\u0625\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0647\u064a \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u064a \u064a\u062a\u0645 \u0641\u064a\u0647\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0642\u0627\u0648\u0645\u0629 \u0628\u064a\u0646 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0648\u0627\u0644\u0623\u0631\u0636 \u0644\u0644\u062d\u062f \u0645\u0646 \u062a\u064a\u0627\u0631 \u062e\u0637\u0623 \u0627\u0644\u0623\u0631\u0636. \u064a\u0639\u062a\u0628\u0631 \u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u062d\u062f \u0623\u0646\u0648\u0627\u0639 \u0641\u0644\u0633\u0641\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0628\u064a\u0646\u0645\u0627 \u062a\u0634\u0645\u0644 \u0627\u0644\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0623\u062e\u0631\u0649 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0635\u0644\u0628\u060c \u0648\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629\u060c \u0648\u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0624\u0631\u0636\u0629.<\/p>\n<h3>\u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u062d\u0633\u0627\u0628 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u061f<\/h3>\n<p>\u064a\u062c\u0628 \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u062d\u0633\u0627\u0628 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 R=Vln\/(\u221a3 \u00d7 If)\u060c \u062d\u064a\u062b Vln \u0647\u0648 \u0627\u0644\u062c\u0647\u062f \u0628\u064a\u0646 \u0637\u0648\u0631\u064a\u0646 \u0645\u0646 \u0645\u0635\u062f\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0648If \u0647\u0648 \u062a\u064a\u0627\u0631 \u062e\u0637\u0623 \u0627\u0644\u0623\u0631\u0636 \u0627\u0644\u0645\u062e\u062a\u0627\u0631. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u062a\u064a\u0627\u0631 \u062e\u0637\u0623 \u0627\u0644\u0623\u0631\u0636 \u0627\u0644\u0645\u062e\u062a\u0627\u0631 \u0623\u0643\u0628\u0631 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0633\u0639\u0648\u064a \u0644\u0644\u0646\u0638\u0627\u0645 \u0648\u0623\u0644\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u062d\u062f\u0648\u062f \u0627\u0644\u0643\u0627\u0628\u0644 \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0648\u0623\u0646 \u064a\u0643\u0648\u0646 \u0623\u0643\u0628\u0631 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0630\u064a \u062a\u0644\u062a\u0642\u0637\u0647 \u0627\u0644\u0645\u0631\u062d\u0644. \u0628\u0639\u062f \u0630\u0644\u0643\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0648\u0627\u0641\u0642 \u062d\u062f \u0637\u0627\u0642\u0629 I\u00b2t \u0644\u0644\u0648\u062d\u062f\u0629 \u0645\u0639 \u0637\u0648\u0644 \u0627\u0644\u062e\u0637\u0623.<\/p>\n<h3>\u0644\u0645\u0627\u0630\u0627 \u0623\u062d\u0635\u0644 \u0639\u0644\u0649 230 \u0641\u0648\u0644\u062a \u0628\u064a\u0646 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0648\u0627\u0644\u0623\u0631\u0636\u061f<\/h3>\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u062c\u0647\u062f \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0625\u0644\u0649 \u0627\u0644\u0623\u0631\u0636 \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0645\u0633\u0627\u0648\u064a\u0627\u064b \u0644\u0644\u0635\u0641\u0631 \u0628\u0633\u0628\u0628 \u0631\u0628\u0637 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0628\u0627\u0644\u0623\u0631\u0636. \u062a\u0634\u064a\u0631 \u0642\u064a\u0645\u0629 230 \u0641\u0648\u0644\u062a \u0627\u0644\u062a\u064a \u062a\u064f\u0631\u0649 \u0644\u0641\u062a\u0631\u0629 \u0637\u0648\u064a\u0644\u0629 \u0625\u0644\u0649 \u0641\u0642\u062f\u0627\u0646 \u0623\u0648 \u0645\u0642\u0627\u0648\u0645\u0629 \u0639\u0627\u0644\u064a\u0629 \u0641\u064a \u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0628\u0627\u0644\u0623\u0631\u0636 \u0623\u0648 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0645\u062d\u0627\u064a\u062f \u0641\u064a \u062f\u0627\u0626\u0631\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0623\u0648 \u0641\u0635\u0644 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0641\u064a \u0646\u0638\u0627\u0645 \u0645\u0624\u0631\u0636 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d. \u064a\u062c\u0628 \u0641\u062d\u0635 \u062c\u0645\u064a\u0639 \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0628\u0648\u0627\u0633\u0637\u0629 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0623\u0648 \u0645\u0647\u0646\u062f\u0633 \u0645\u0624\u0647\u0644.<\/p>\n<h3>\u0645\u0627 \u0647\u0648 \u0627\u0644\u063a\u0631\u0636 \u0645\u0646 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u061f<\/h3>\n<p>\u064a\u0633\u0645\u062d \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0628\u0631\u0628\u0637 \u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645 \u0628\u0646\u0642\u0637\u0629 \u0645\u0631\u062c\u0639\u064a\u0629 \u0645\u0639\u064a\u0646\u0629 \u0628\u062d\u064a\u062b \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0627\u0644\u062c\u0647\u0648\u062f \u0628\u064a\u0646 \u0627\u0644\u0623\u0637\u0648\u0627\u0631 \u0648\u0627\u0644\u0623\u0631\u0636 \u0648\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621.<\/p>\n<h2>\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.omo-np.com\/blog\/2025-06\/In-Depth-Guide-to-Neutral-Earthing-Resistor-NER-Technology-and-Applications.html\" rel=\"nofollow noopener\" target=\"_blank\">OMO \u2014 \u062f\u0644\u064a\u0644 \u0634\u0627\u0645\u0644 \u0644\u062a\u0642\u0646\u064a\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f<\/a><\/li>\n<li><a href=\"https:\/\/www.digi-electronics.uk\/uk\/blogs\/neutral-earthing-resistors-ners-guide-working-principle-design-applications\/152.html\" rel=\"nofollow noopener\" target=\"_blank\">DiGi Electronics \u2014 \u062f\u0644\u064a\u0644 \u0645\u0642\u0627\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f<\/a><\/li>\n<li><a href=\"https:\/\/www.orionresistors.com\/news\/one-minute-calculate-neutral-grounding-resistor.html\" rel=\"nofollow noopener\" target=\"_blank\">Orion Resistors \u2014 \u062d\u0633\u0627\u0628 \u0645\u0642\u0627\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f (6kV-35kV)<\/a><\/li>\n<li><a href=\"https:\/\/www.captech.com.au\/wp-content\/uploads\/2015\/12\/What-is-a-Neutral-Earthing-Resistor.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Captech \u2014 \u0645\u0627 \u0647\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f\u061f<\/a><\/li>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/174537\" rel=\"nofollow noopener\" target=\"_blank\">IEEE Std 32 \u2014 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a\u060c \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u0627\u062a\u060c \u0648\u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f<\/a><\/li>\n<\/ul>\n<h2>\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h2>\n<p>\u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0647\u0648 \u0627\u0644\u062c\u0647\u0627\u0632 \u063a\u064a\u0631 \u0627\u0644\u0645\u0644\u062d\u0648\u0638 \u0627\u0644\u0630\u064a \u064a\u062d\u062f\u062f \u0645\u0635\u064a\u0631 \u0639\u0637\u0644 \u0627\u0644\u0623\u0631\u0636\u060c \u062d\u064a\u062b \u064a\u062d\u062f\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0647\u0630\u0627 \u0633\u064a\u0643\u0648\u0646 \u062d\u062f\u062b\u064b\u0627 \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647 \u0648\u0627\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u064a\u0647 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062d\u062f\u0648\u062b \u0642\u0648\u0633 \u0623\u0648 \u0627\u0646\u0642\u0637\u0627\u0639 \u0643\u0627\u0645\u0644 \u0641\u064a \u0627\u0644\u0645\u0635\u0646\u0639. \u064a\u0645\u0643\u0646 \u0648\u0635\u0641 \u062c\u0648\u0647\u0631 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0628\u0625\u064a\u062c\u0627\u0632 \u0645\u0646 \u062d\u064a\u062b \u0642\u0627\u0646\u0648\u0646 \u0623\u0648\u0645 \u2014 R = Vln \/ (\u221a3 \u00d7 If). \u0623\u064a\u0636\u064b\u0627\u060c \u064a\u062a\u0645 \u062a\u062d\u0642\u064a\u0642 \u0645\u0628\u062f\u0623 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u0628\u0637\u0631\u064a\u0642\u062a\u064a\u0646. \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0647\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0630\u0648 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0630\u064a \u064a\u0646\u0642\u0637\u0639 \u0639\u0646\u062f 100-1,000 A\u060c \u0628\u064a\u0646\u0645\u0627 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0647\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u0630\u0648 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u062a\u062d\u062a 10 A \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0628\u062a\u0646\u0628\u064a\u0647 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0648\u0644\u0643\u0646 \u0644\u0627 \u064a\u0648\u0642\u0641 \u0627\u0644\u0639\u0645\u0644\u064a\u0629. \u0628\u0634\u0643\u0644 \u0639\u0627\u0645\u060c \u064a\u062c\u0628 \u0623\u062e\u0630 \u0633\u062a\u0629 \u0645\u0639\u0627\u064a\u064a\u0631 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0642\u0627\u0648\u0645 \u062a\u0623\u0631\u064a\u0636 \u0645\u062d\u0627\u064a\u062f \u0622\u0645\u0646 \u0648\u0641\u0639\u0627\u0644: \u0627\u0644\u062c\u0647\u062f\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0637\u0644\u060c \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629\u060c \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0648\u0642\u062a\u060c \u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0643\u0648\u0646 \u0648\u0645\u0627\u062f\u0629 \u0627\u0644\u063a\u0644\u0627\u0641\u061b \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0623\u064a \u0645\u0646 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u062e\u0627\u0637\u0626\u064b\u0627\u060c \u064a\u0635\u0628\u062d \u062c\u0647\u0627\u0632 \u0627\u0644\u0623\u0645\u0627\u0646 \u062e\u0637\u0631\u064b\u0627 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062d\u0631\u064a\u0642. \u0633\u0639\u0631 \u0645\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0645\u062d\u0627\u064a\u062f \u062d\u0648\u0627\u0644\u064a $1,500 \u0644\u062c\u0647\u0627\u0632 LV \u0635\u063a\u064a\u0631 \u0648\u0641\u0648\u0642 $30,000 \u0644\u0646\u0638\u0627\u0645 35kV \u0627\u0644\u0645\u0631\u0627\u0642\u0628 \u0628\u0627\u0644\u0643\u0627\u0645\u0644\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647 \u0648\u0627\u062d\u062f\u064b\u0627 \u0645\u0646 \u0623\u0642\u0644 \u0623\u0634\u0643\u0627\u0644 \u0627\u0644\u062a\u0623\u0645\u064a\u0646 \u062a\u0643\u0644\u0641\u0629 \u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0646\u0642\u0630 \u0645\u0648\u0644\u062f\u064b\u0627 \u0648\u0645\u062d\u0648\u0644\u0627\u062a \u0642\u064a\u0645\u0629 \u0648\u0643\u0630\u0644\u0643 \u064a\u062d\u0644 \u0645\u0634\u0643\u0644\u0629 \u062d\u062f\u0648\u062b \u062d\u0627\u062f\u062b \u0643\u0627\u0646 \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0623\u0646 \u064a\u062f\u0645\u0631\u0647\u0627.<\/p>","protected":false},"excerpt":{"rendered":"<p>When consulted, engineers could mention relays, circuit breakers, or current transformers (CTs) to discuss how protection against ground fault is carried out. However, the actual decision about the strength of the fault and whether the entire facility shuts down or only one feeder is made by a resistor. Neutral earthing resistor (NER) is considered to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11397,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/11396","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=11396"}],"version-history":[{"count":3,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/11396\/revisions"}],"predecessor-version":[{"id":11402,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/11396\/revisions\/11402"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/media\/11397"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/media?parent=11396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/categories?post=11396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/tags?post=11396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}