{"id":4174,"date":"2026-08-08T09:00:00","date_gmt":"2026-08-08T09:00:00","guid":{"rendered":"https:\/\/xbrele.com\/?p=4174"},"modified":"2026-08-18T14:59:10","modified_gmt":"2026-08-18T14:59:10","slug":"altitude-derating-for-12kv-indoor-vcbs-above-2000m","status":"publish","type":"post","link":"https:\/\/xbrele.com\/ar\/altitude-derating-for-12kv-indoor-vcbs-above-2000m\/","title":{"rendered":"\u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u0642\u0648\u0627\u0637\u0639 VCB \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0628\u062c\u0647\u062f 12kV \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0641\u0648\u0642 2000m"},"content":{"rendered":"<h2>\u062e\u0644\u0627\u0635\u0629 \u0633\u0631\u064a\u0639\u0629<\/h2>\n<ul>\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0638\u0631\u0648\u0641 \u062a\u0634\u063a\u064a\u0644 VCB \u0642\u0628\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0623\u0648 \u0625\u062c\u0631\u0627\u0621 \u0623\u0639\u0645\u0627\u0644 \u0627\u0644\u062e\u062f\u0645\u0629.<\/li>\n<li>\u0627\u0633\u062a\u0646\u062f \u0625\u0644\u0649 \u0633\u062c\u0644\u0627\u062a \u0627\u0644\u0641\u062d\u0635 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0645\u062f\u0639\u0648\u0645\u0629.<\/li>\n<li>\u0627\u062d\u062a\u0641\u0638 \u0628\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0642\u0628\u0648\u0644 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0648\u0627\u0644\u062a\u0633\u0644\u064a\u0645 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0636\u0645\u0646 \u0633\u062c\u0644 \u0627\u0644\u0645\u0639\u062f\u0627\u062a.<\/li>\n<\/ul>\n<p>\u062a\u0637\u0631\u062d \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0645\u062c\u0645\u0648\u0639\u0629 \u062a\u062d\u062f\u064a\u0627\u062a \u0647\u0646\u062f\u0633\u064a\u0629 \u064a\u0633\u0647\u0644 \u0627\u0644\u062a\u0642\u0644\u064a\u0644 \u0645\u0646 \u0634\u0623\u0646\u0647\u0627 \u0641\u064a \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0644\u0645\u0634\u0631\u0648\u0639 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0644\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637. \u0648\u0639\u0646\u062f \u062a\u062d\u062f\u064a\u062f \u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0641\u0631\u0627\u063a\u064a \u062f\u0627\u062e\u0644\u064a (VCB) \u0628\u062c\u0647\u062f 12 kV \u0644\u0645\u0648\u0642\u0639 \u064a\u0642\u0639 \u0639\u0644\u0649 \u0627\u0631\u062a\u0641\u0627\u0639 \u064a\u0632\u064a\u062f \u0639\u0644\u0649 2,000 \u0645\u062a\u0631 \u0641\u0648\u0642 \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631 (MASL)\u060c \u064a\u063a\u064a\u0631 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0623\u0642\u0644 \u0643\u062b\u0627\u0641\u0629 \u0638\u0627\u0647\u0631\u062a\u064a\u0646 \u0641\u064a\u0632\u064a\u0627\u0626\u064a\u062a\u064a\u0646 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u064a\u0647\u0645\u0627 \u0627\u0644\u0642\u0627\u0637\u0639 \u062a\u063a\u064a\u064a\u0631\u0627\u064b \u062c\u0648\u0647\u0631\u064a\u0627\u064b: \u0642\u0648\u0629 \u062a\u062d\u0645\u0644 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0639\u0627\u0632\u0644\u0629 \u0648\u062a\u0628\u062f\u064a\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a. \u0648\u0644\u0627 \u064a\u0645\u0643\u0646 \u0625\u0647\u0645\u0627\u0644 \u0623\u064a \u0645\u0646 \u0627\u0644\u062a\u0623\u062b\u064a\u0631\u064a\u0646\u061b \u0641\u062a\u062c\u0627\u0647\u0644 \u0623\u062b\u0631\u0647\u0645\u0627 \u0627\u0644\u0645\u0634\u062a\u0631\u0643 \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0639\u0632\u0644 \u0623\u0648 \u0641\u0635\u0644 \u063a\u064a\u0631 \u0645\u0631\u063a\u0648\u0628 \u0641\u064a\u0647 \u0623\u0648 \u062a\u0642\u0627\u062f\u0645 \u0645\u0628\u0643\u0631 \u0644\u062d\u062c\u0631\u0629 \u0627\u0644\u0642\u0637\u0639. \u062a\u0634\u0631\u062d \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621 \u0648\u0631\u0627\u0621 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 VCB \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 vcb altitude derating 2000m\u060c \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 \u0627\u0644\u0645\u0646\u0637\u0628\u0642\u0629\u060c \u0648\u0645\u0646\u0647\u062c\u064a\u0629 \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062a\u064a \u064a\u0646\u0628\u063a\u064a \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u062a\u0637\u0628\u064a\u0642\u0647\u0627\u060c \u0648\u0627\u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0638\u0647\u0631 \u0641\u064a \u0645\u0631\u062d\u0644\u062a\u064a \u0627\u0644\u0634\u0631\u0627\u0621 \u0648\u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0623\u0648\u0644\u064a.<\/p>\n<p>\u2014<\/p>\n<h3>\u0644\u0645\u0627\u0630\u0627 \u062a\u062a\u062d\u0643\u0645 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u064a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0632\u0644 \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0645\u0639\u0627\u064b<\/h3>\n<p>\u0639\u0646\u062f \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631\u060c \u064a\u062a\u0645\u062a\u0639 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u062c\u0627\u0641 \u0641\u064a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 (20 \u00b0C\u060c 101.3 kPa) \u0628\u0643\u062b\u0627\u0641\u0629 \u062c\u0632\u064a\u0626\u064a\u0629 \u062a\u0643\u0641\u064a \u0644\u062a\u062d\u0645\u0644 \u062c\u0647\u0648\u062f \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0639\u0627\u0632\u0644\u0629 \u0648\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0642\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f\u0647\u0627 \u0645\u0639\u0627\u064a\u064a\u0631 IEC \u0639\u0646\u062f \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0631\u062c\u0639\u064a. \u0648\u0645\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u060c \u064a\u0646\u062e\u0641\u0636 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062d\u064a\u0637 \u062a\u0642\u0631\u064a\u0628\u0627\u064b \u0648\u0641\u0642 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0627\u0644\u062f\u0648\u0644\u064a. \u0639\u0646\u062f 2,000 MASL\u060c \u064a\u0628\u0644\u063a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062c\u0648\u064a \u0646\u062d\u0648 79.5 kPa\u060c \u0623\u064a \u0642\u0631\u0627\u0628\u0629 78% \u0645\u0646 \u0636\u063a\u0637 \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631. \u0648\u0639\u0646\u062f 3,000 MASL \u062a\u0646\u062e\u0641\u0636 \u0627\u0644\u0642\u064a\u0645\u0629 \u0623\u0643\u062b\u0631 \u0625\u0644\u0649 \u0646\u062d\u0648 70 kPa.<\/p>\n<p>\u064a\u0624\u062b\u0631 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0647\u0630\u0627 \u0628\u0637\u0631\u064a\u0642\u062a\u064a\u0646 \u0645\u0646\u0641\u0635\u0644\u062a\u064a\u0646 \u0648\u0645\u062a\u0632\u0627\u0645\u0646\u062a\u064a\u0646. \u0623\u0648\u0644\u0627\u064b\u060c \u064a\u0646\u062e\u0641\u0636 \u062c\u0647\u062f \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u0632\u0644 \u0644\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0632\u0644 \u0630\u0627\u062a \u0627\u0644\u0641\u062c\u0648\u0629 \u0627\u0644\u0647\u0648\u0627\u0626\u064a\u0629\u060c \u0644\u0623\u0646 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u062d\u0631 \u0644\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u0627\u062a \u064a\u0632\u062f\u0627\u062f\u060c \u0648\u064a\u062a\u0646\u0628\u0623 \u0642\u0627\u0646\u0648\u0646 \u0628\u0627\u0634\u0646 \u0628\u0627\u0646\u062e\u0641\u0627\u0636 \u062c\u0647\u0648\u062f \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631\u060c \u0643\u0645\u0627 \u064a\u0646\u062e\u0641\u0636 \u062c\u0647\u062f \u0628\u062f\u0621 \u0627\u0644\u062a\u0641\u0631\u064a\u063a \u0627\u0644\u062c\u0632\u0626\u064a \u062a\u0646\u0627\u0633\u0628\u064a\u0627\u064b. \u0648\u0642\u062f \u062a\u0635\u0628\u062d \u0645\u0633\u0627\u0641\u0627\u062a \u0627\u0644\u0639\u0632\u0644 \u0628\u064a\u0646 \u0627\u0644\u0637\u0648\u0631 \u0648\u0627\u0644\u0623\u0631\u0636 \u0648\u0628\u064a\u0646 \u0627\u0644\u0623\u0637\u0648\u0627\u0631\u060c \u0627\u0644\u0643\u0627\u0641\u064a\u0629 \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631\u060c \u0647\u0627\u0645\u0634\u064a\u0629 \u0641\u0648\u0642 2,000 MASL \u0625\u0630\u0627 \u0644\u0645 \u064a\u0637\u0628\u0642 \u0627\u0644\u062a\u0635\u062d\u064a\u062d. \u062b\u0627\u0646\u064a\u0627\u064b\u060c \u062a\u0639\u062a\u0645\u062f \u0642\u062f\u0631\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0639\u0644\u0649 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0639\u0644\u0649 \u0643\u062b\u0627\u0641\u062a\u0647: \u0625\u0630 \u064a\u0646\u0642\u0644 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0642\u0633\u0631\u064a \u0648\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0645\u0627 \u064a\u062a\u0646\u0627\u0633\u0628 \u0645\u0639 \u062a\u062f\u0641\u0642 \u0643\u062a\u0644\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0627\u0631 \u0641\u0648\u0642 \u0633\u0637\u062d \u0627\u0644\u0645\u0648\u0635\u0644. \u0648\u064a\u0632\u064a\u0644 \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0623\u0642\u0644 \u0643\u062b\u0627\u0641\u0629 \u062d\u0631\u0627\u0631\u0629 \u0623\u0642\u0644 \u0641\u064a \u0648\u062d\u062f\u0629 \u0627\u0644\u0632\u0645\u0646\u060c \u0641\u062a\u0631\u062a\u0641\u0639 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0639\u0646\u062f \u062a\u064a\u0627\u0631 \u062d\u0645\u0644 \u0645\u0645\u0627\u062b\u0644.<\/p>\n<p>\u0641\u064a VCB \u062f\u0627\u062e\u0644\u064a \u0628\u062c\u0647\u062f 12 kV\u060c \u064a\u0643\u0648\u0646 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0641\u0631\u0627\u063a\u064a \u0646\u0641\u0633\u0647 \u0645\u062d\u0643\u0645 \u0627\u0644\u0625\u063a\u0644\u0627\u0642\u060c \u0648\u062a\u0643\u0648\u0646 \u0628\u064a\u0626\u062a\u0647 \u0627\u0644\u0639\u0627\u0632\u0644\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0645\u0633\u062a\u0642\u0644\u0629 \u0639\u0646 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639. \u0644\u0643\u0646 \u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0642\u0636\u0628\u0627\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0648\u0627\u0644\u0641\u0648\u0627\u0635\u0644 \u0627\u0644\u0639\u0627\u0632\u0644\u0629 \u0648\u062d\u062c\u0631\u0629 \u0622\u0644\u064a\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0644\u0640 VCB \u062a\u0642\u0639 \u062c\u0645\u064a\u0639\u0647\u0627 \u0641\u064a \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0645\u062d\u064a\u0637\u060c \u0648\u0644\u0630\u0644\u0643 \u062a\u062e\u0636\u0639 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0631\u062a\u0628\u0637 \u0628\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2026\/07\/altitude-derating-for-12kv-indoor-vcbs-above-2000m-fig-01.webp\" alt=\"XBRELE \u2014 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u0642\u0648\u0627\u0637\u0639 VCB \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0628\u062c\u0647\u062f 12kV \u0641\u0648\u0642 2000m \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u2014 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629\" \/><\/figure>\n<p>\u2014<\/p>\n<h3>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0646\u0637\u0628\u0642\u0629: IEC 62271-1 \u0648IEC 60071-2<\/h3>\n<p>\u0627\u0644\u0648\u062b\u064a\u0642\u0629 \u0627\u0644\u062d\u0627\u0643\u0645\u0629 \u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0644\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0647\u064a IEC 62271-1\u060c \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0634\u062a\u0631\u0643\u0629 \u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0646\u0641\u0629 \u0641\u0648\u0642 1 kV. \u0648\u0627\u0644\u0623\u0647\u0645 \u0623\u0646 IEC 62271-1 \u062a\u0639\u062a\u0645\u062f \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0648\u0627\u0631\u062f\u0629 \u0641\u064a IEC 60071-2 (\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0632\u0644 \u2014 \u062f\u0644\u064a\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642) \u0644\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0641\u0648\u0642 1,000 MASL. \u0648\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0625\u0637\u0627\u0631 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0644\u064a\u0633 \u062a\u0641\u0636\u064a\u0644\u0627\u064b \u062e\u0627\u0635\u0627\u064b \u0628\u0645\u0635\u0646\u0651\u0639\u060c \u0628\u0644 \u0645\u062a\u0637\u0644\u0628\u0627\u064b \u0645\u0639\u064a\u0627\u0631\u064a\u0627\u064b \u0645\u0636\u0645\u0651\u0646\u0627\u064b \u0641\u064a \u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c \u0646\u0641\u0633\u0647.<\/p>\n<p>\u064a\u062d\u062f\u062f IEC 60071-2 \u0639\u0627\u0645\u0644 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 Ka \u0627\u0644\u0630\u064a \u064a\u0639\u062f\u0644 \u062c\u0647\u062f \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0644\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a. \u0648\u064a\u0623\u062e\u0630 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0646\u062e\u0641\u0627\u0636 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u064a \u0627\u0644\u062d\u0633\u0628\u0627\u0646 \u0628\u0631\u0641\u0639 \u062c\u0647\u062f \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 (\u0623\u0648\u060c \u0628\u0635\u0648\u0631\u0629 \u0645\u0643\u0627\u0641\u0626\u0629\u060c \u0628\u062e\u0641\u0636 \u0642\u062f\u0631\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0642\u0646\u0646\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a) \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0623\u062f\u0627\u0626\u0647\u0627 \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631. \u0648\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0635\u064a\u063a\u0629 \u0639\u0644\u0649 \u0639\u0644\u0627\u0642\u0629 \u0623\u0633\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0648\u0645\u0636\u0627\u0639\u0641 \u0627\u0644\u062a\u0635\u062d\u064a\u062d\u060c \u0641\u064a\u0645\u0627 \u064a\u062a\u0648\u0642\u0641 \u0627\u0644\u0623\u0633 \u0639\u0644\u0649 \u0641\u0626\u0629 \u0627\u0644\u062a\u0641\u0631\u064a\u063a (\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0641\u062c\u0648\u0629 \u062a\u0634\u0645\u0644 \u0642\u0646\u0627\u0629 \u062a\u0641\u0631\u064a\u063a \u0623\u0648 \u062a\u0631\u062a\u064a\u0628 \u0642\u0636\u064a\u0628-\u0645\u0633\u062a\u0648\u0649 \u0623\u0648 \u0647\u0646\u062f\u0633\u0629 \u0623\u0642\u0637\u0627\u0628 \u0623\u0643\u062b\u0631 \u062a\u0639\u0642\u064a\u062f\u0627\u064b).<\/p>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u0649 \u0647\u0646\u062f\u0633\u0629 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0628\u062c\u0647\u062f 12 kV \u0639\u0645\u0644\u064a\u0627\u064b\u060c \u0641\u0625\u0646 \u062e\u0644\u0627\u0635\u0629 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/32982\" target=\"_blank\" rel=\"noopener\">IEC 62271-1<\/a> \u0628\u0627\u0644\u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u0639 IEC 60071-2 \u0648\u0627\u0636\u062d\u0629: \u0641\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0628\u0631\u0629 \u0648\u0627\u0644\u0645\u0635\u0646\u0641\u0629 \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631 \u062a\u062e\u0636\u0639 \u0641\u0639\u0644\u064a\u0627\u064b \u0644\u0642\u064a\u062f \u0627\u0631\u062a\u0641\u0627\u0639\u060c \u0648\u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0628\u0642\u0627\u0621 \u062c\u0647\u062f \u062a\u062d\u0645\u0644 \u0646\u0628\u0636\u0629 \u0627\u0644\u0635\u0627\u0639\u0642\u0629 \u0627\u0644\u0645\u0642\u0646\u0646 (LIWV) \u0648\u062c\u0647\u062f \u062a\u062d\u0645\u0644 \u062a\u0631\u062f\u062f \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0642\u0646\u0646 (PFWV) \u0643\u0627\u0641\u064a\u064a\u0646 \u0628\u0639\u062f \u062a\u0637\u0628\u064a\u0642 \u0623\u062b\u0631 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0639\u0644\u0649 \u0623\u064a \u062a\u0631\u0643\u064a\u0628 \u0641\u0648\u0642 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0631\u062c\u0639\u064a \u0627\u0644\u0642\u064a\u0627\u0633\u064a. \u0648\u064a\u0628\u0644\u063a \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0631\u062c\u0639\u064a \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0644\u0645\u0639\u0638\u0645 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0645\u0639\u062f\u0627\u062a \u0633\u0644\u0633\u0644\u0629 IEC 62271 \u0645\u0642\u062f\u0627\u0631 1,000 MASL\u060c \u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0645\u0634\u0643\u0644\u0629 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u062a\u0628\u062f\u0623 \u0641\u0646\u064a\u0627\u064b \u0641\u0648\u0642 1,000 m\u060c \u0644\u0643\u0646\u0647\u0627 \u062a\u0635\u0628\u062d \u0645\u0647\u0645\u0629 \u0639\u0645\u0644\u064a\u0627\u064b \u2014 \u0648\u0648\u0627\u062c\u0628\u0627\u064b \u062a\u0648\u062b\u064a\u0642\u0647\u0627 \u062a\u0639\u0627\u0642\u062f\u064a\u0627\u064b \u2014 \u0641\u0648\u0642 2,000 MASL. \u0648\u0644\u0644\u062a\u062e\u0637\u064a\u0637 \u0644\u0634\u0647\u0627\u062f\u0629 \u0627\u0644\u0634\u0647\u0648\u062f \u0648\u0627\u0644\u0633\u062c\u0644\u0627\u062a\u060c \u0637\u0627\u0628\u0642 \u0627\u0644\u0623\u062f\u0644\u0629 \u0645\u0639 <a href=\"https:\/\/xbrele.com\/ar\/vcb-fat-sat-acceptance-test-checklist\/\">\u062f\u0644\u064a\u0644 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 FAT\/SAT \u0644\u0644\u0642\u0627\u0637\u0639<\/a>.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2026\/07\/altitude-derating-for-12kv-indoor-vcbs-above-2000m-fig-02.webp\" alt=\"XBRELE \u2014 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u0642\u0648\u0627\u0637\u0639 VCB \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0628\u062c\u0647\u062f 12kV \u0641\u0648\u0642 2000m \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u2014 \u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\" \/><\/figure>\n<p>\u2014<\/p>\n<h3>\u062d\u0633\u0627\u0628 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641: \u062e\u0637\u0648\u0627\u062a \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0639\u0632\u0644 \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/h3>\n<p>**\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0639\u0632\u0644**<\/p>\n<p>\u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0639\u0646 \u0639\u0627\u0645\u0644 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0644\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0648\u0641\u0642 IEC 60071-2 \u0643\u0645\u0627 \u064a\u0644\u064a:<\/p>\n<p>Ka = e^(m \u00d7 H \/ 8150)<\/p>\n<p>\u062d\u064a\u062b \u0625\u0646 H \u0647\u0648 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0627\u0644\u0623\u0645\u062a\u0627\u0631\u060c \u0648m \u0623\u0633 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0646\u0648\u0639 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062c\u0647\u062f (m = 1.0 \u0644\u0646\u0628\u0636\u0627\u062a \u0627\u0644\u062a\u0628\u062f\u064a\u0644\u060c \u0648\u062a\u062a\u063a\u064a\u0631 m \u0644\u0646\u0628\u0636\u0627\u062a \u0627\u0644\u0635\u0648\u0627\u0639\u0642 \u0628\u062d\u0633\u0628 \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0641\u062c\u0648\u0629). \u0644\u0645\u0648\u0642\u0639 \u0639\u0644\u0649 \u0627\u0631\u062a\u0641\u0627\u0639 3,000 MASL \u0645\u0639 m = 1.0\u060c \u062a\u0643\u0648\u0646 Ka \u2248 1.44. \u0648\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u062c\u0647\u062f \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0623\u0639\u0644\u0649 \u0628\u0646\u0633\u0628\u0629 44% \u0645\u0646 \u0642\u064a\u0645\u0629 \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631\u060c \u0623\u0648 \u0628\u0635\u0648\u0631\u0629 \u0645\u0643\u0627\u0641\u0626\u0629 \u0623\u0646 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0641\u0629 \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631 \u0644\u0627 \u064a\u062a\u0628\u0642\u0649 \u0644\u0647\u0627 \u0641\u0639\u0644\u064a\u0627\u064b \u0639\u0644\u0649 \u0630\u0644\u0643 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0633\u0648\u0649 \u0646\u062d\u0648 69% \u0645\u0646 \u0642\u062f\u0631\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0642\u0646\u0646\u0629.<\/p>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u0649 VCB \u0628\u062c\u0647\u062f 12 kV \u0648\u062c\u0647\u062f LIWV \u0645\u0642\u0646\u0646 \u064a\u0628\u0644\u063a 75 kV (\u0630\u0631\u0648\u0629) \u0641\u064a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629\u060c \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633 \u0627\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0628\u0639\u062f \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0639\u0646\u062f \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 75 kV. \u0648\u0625\u0630\u0627 \u062a\u062c\u0627\u0648\u0632\u0647\u060c \u0641\u064a\u062c\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0641\u0626\u0629 \u0645\u0639\u062f\u0627\u062a \u0630\u0627\u062a \u062a\u0635\u0646\u064a\u0641 \u0623\u0639\u0644\u0649 \u2014 \u0648\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u064a\u0639\u0646\u064a \u0630\u0644\u0643 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0625\u0644\u0649 \u0641\u0626\u0629 \u0645\u0639\u062f\u0627\u062a 17.5 kV \u0623\u0648 24 kV \u0644\u062a\u062d\u0642\u064a\u0642 \u0647\u0627\u0645\u0634 \u0643\u0627\u0641\u064d \u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u060c \u0631\u063a\u0645 \u0628\u0642\u0627\u0621 \u062c\u0647\u062f \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0646\u0638\u0627\u0645 \u0639\u0646\u062f 12 kV.<\/p>\n<p>**\u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062d\u0631\u0627\u0631\u064a**<\/p>\n<p>\u064a\u0646\u0634\u0623 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0641\u0648\u0642 2,000 MASL \u0639\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u062d\u064a\u0637\u060c \u0627\u0644\u0630\u064a \u064a\u0642\u0644\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a. \u0644\u0630\u0627 \u064a\u062c\u0628 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0644\u0640 VCB \u0648\u0642\u0636\u0628\u0627\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0647. \u0648\u064a\u062a\u0648\u0642\u0641 \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062f\u0642\u064a\u0642 \u0639\u0644\u0649 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u062d\u062f\u062f \u0644\u0644\u0645\u0646\u062a\u062c\u060c \u0644\u0643\u0646 \u0627\u0644\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629 \u0627\u0644\u062a\u064a \u064a\u0637\u0628\u0642\u0647\u0627 \u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0645\u0635\u0646\u0651\u0639\u064a\u0646 \u0647\u064a \u0627\u0646\u062e\u0641\u0627\u0636 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0628\u0646\u062d\u0648 0.3% \u0625\u0644\u0649 0.5% \u0644\u0643\u0644 100 m \u0641\u0648\u0642 2,000 MASL. \u0648\u0639\u0646\u062f 4,000 MASL \u0642\u062f \u064a\u0645\u062b\u0644 \u0630\u0644\u0643 \u062e\u0641\u0636\u0627\u064b \u0644\u0644\u062a\u0635\u0646\u064a\u0641 \u0642\u062f\u0631\u0647 6\u201310% \u0639\u0644\u0649 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u060c \u0648\u0647\u0648 \u0645\u0642\u062f\u0627\u0631 \u0645\u0624\u062b\u0631 \u0641\u064a \u062a\u0637\u0628\u064a\u0642 \u0635\u0646\u0627\u0639\u064a \u064a\u0639\u0645\u0644 \u0642\u0631\u0628 \u062a\u0635\u0646\u064a\u0641 \u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645. \u0648\u064a\u0633\u0627\u0639\u062f <a href=\"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker-ratings\/\">\u062f\u0644\u064a\u0644 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a\u0629<\/a> \u0639\u0644\u0649 \u062a\u062d\u0648\u064a\u0644 \u0648\u0627\u062c\u0628 \u0627\u0644\u0646\u0638\u0627\u0645 \u0625\u0644\u0649 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0648\u0627\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647\u0627.<\/p>\n<p>\u0643\u0645\u0627 \u062a\u0624\u0643\u062f \u0627\u0644\u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0634\u0631\u0643\u0629 Schneider Electric\u060c \u064a\u062c\u0628 \u0623\u062e\u0630 \u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u0648\u0629 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0639\u0627\u0632\u0644\u0629 \u0648\u0642\u062f\u0631\u0629 \u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u064a \u0627\u0644\u062d\u0633\u0628\u0627\u0646 \u0645\u0639\u0627\u064b \u0641\u0648\u0642 2,000 m\u060c \u0648\u064a\u0639\u062a\u0645\u062f \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0645\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u062d\u062f\u062f \u0644\u0627 \u0639\u0644\u0649 \u0642\u0627\u0639\u062f\u0629 \u0639\u0627\u0645\u0629 \u0648\u0627\u062d\u062f\u0629. \u0648\u064a\u0624\u0643\u062f \u0630\u0644\u0643 \u0645\u0628\u062f\u0623\u064b \u0645\u0647\u0645\u0627\u064b \u0644\u0644\u0634\u0631\u0627\u0621: \u0642\u062f \u062a\u062e\u062a\u0644\u0641 \u062c\u062f\u0627\u0648\u0644 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0628\u064a\u0646 \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u062f\u0627\u062e\u0644 \u0645\u062d\u0641\u0638\u0629 \u0627\u0644\u0645\u0635\u0646\u0651\u0639 \u0646\u0641\u0633\u0647\u060c \u0648\u0644\u0630\u0644\u0643 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0645\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062a\u0637\u0628\u064a\u0642 \u0639\u0627\u0645\u0644 \u0639\u0627\u0645 \u0648\u0627\u062d\u062f \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2026\/07\/altitude-derating-for-12kv-indoor-vcbs-above-2000m-fig-03.webp\" alt=\"XBRELE \u2014 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u0642\u0648\u0627\u0637\u0639 VCB \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0628\u062c\u0647\u062f 12kV \u0641\u0648\u0642 2000m \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u2014 \u0633\u064a\u0627\u0642 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\" \/><\/figure>\n<p>\u2014<\/p>\n<h3>\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0635\u0646\u0651\u0639 \u0648\u062c\u062f\u0627\u0648\u0644 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0646\u062a\u062c<\/h3>\n<p>\u064a\u062d\u062f\u062f \u0625\u0637\u0627\u0631 IEC 62271-1 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a\u0629\u060c \u0644\u0643\u0646\u0647 \u064a\u062a\u0631\u0643 \u0639\u0645\u062f\u0627\u064b \u0645\u062c\u0627\u0644\u0627\u064b \u0644\u0644\u0645\u0635\u0646\u0651\u0639\u064a\u0646 \u0644\u0646\u0634\u0631 \u062c\u062f\u0627\u0648\u0644 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0646\u062a\u062c \u062a\u0639\u0643\u0633 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0641\u0639\u0644\u064a \u0644\u0643\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0639\u062f\u0627\u062a \u0645\u0641\u0627\u062a\u064a\u062d. \u0648\u0644\u064a\u0633 \u0630\u0644\u0643 \u0642\u0635\u0648\u0631\u0627\u064b \u0641\u064a \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u060c \u0628\u0644 \u0625\u0642\u0631\u0627\u0631 \u0645\u0642\u0635\u0648\u062f \u0628\u0623\u0646 \u0644\u0648\u062d\u0629 \u0645\u0639\u062f\u0627\u062a \u0645\u0641\u0627\u062a\u064a\u062d \u0645\u0639\u0632\u0648\u0644\u0629 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u062c\u0627\u0641\u060c \u0648\u0648\u062d\u062f\u0629 \u0645\u0639\u062f\u0627\u062a \u0645\u0641\u0627\u062a\u064a\u062d \u0645\u062f\u0645\u062c\u0629 \u0645\u0639\u0632\u0648\u0644\u0629 \u0628\u0627\u0644\u063a\u0627\u0632\u060c \u0648\u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u0641\u0631\u0627\u063a\u064a \u062f\u0627\u062e\u0644 \u063a\u0644\u0627\u0641 \u0645\u0639\u062f\u0646\u064a\u060c \u0644\u0647\u0627 \u0647\u0646\u062f\u0633\u0627\u062a \u0623\u0642\u0637\u0627\u0628 \u0648\u0623\u0646\u0638\u0645\u0629 \u0639\u0632\u0644 \u0648\u0645\u0633\u0627\u0631\u0627\u062a \u062a\u0628\u0631\u064a\u062f \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0648\u062a\u0633\u062a\u062c\u064a\u0628 \u0643\u0644 \u0645\u0646\u0647\u0627 \u0644\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0637\u0631\u064a\u0642\u0629 \u0645\u062e\u062a\u0644\u0641\u0629.<\/p>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u0649 \u0645\u0647\u0646\u062f\u0633 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0627\u0644\u0630\u064a \u064a\u062d\u062f\u062f VCB \u062f\u0627\u062e\u0644\u064a\u0627\u064b \u0628\u062c\u0647\u062f 12 kV \u0644\u0645\u0648\u0642\u0639 \u0645\u0631\u062a\u0641\u0639\u060c \u062a\u0645\u062b\u0644 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 IEC 62271-1 \u0648\u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0651\u0639:<\/p>\n<p>1. **\u062d\u062f\u0651\u062f \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0648\u0642\u0639 \u0628\u062f\u0642\u0629.** \u0627\u0633\u062a\u062e\u062f\u0645 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0633\u062d \u0627\u0644\u0637\u0628\u0648\u063a\u0631\u0627\u0641\u064a \u0623\u0648 \u0627\u0631\u062a\u0641\u0627\u0639\u0627\u064b \u0645\u0635\u062d\u062d\u0627\u064b \u0628\u0646\u0638\u0627\u0645 GPS \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0623\u0631\u0642\u0627\u0645 \u0625\u0642\u0644\u064a\u0645\u064a\u0629 \u062a\u0642\u0631\u064a\u0628\u064a\u0629. \u0642\u062f \u064a\u0624\u062f\u064a \u0641\u0631\u0642 \u0642\u062f\u0631\u0647 300 m \u0625\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u0645\u0644\u0645\u0648\u0633 \u0641\u064a \u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0635\u062d\u064a\u062d.<\/p>\n<p>2. **\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u062c\u062f\u0648\u0644 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0646\u062a\u062c \u0645\u0646 \u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0635\u0646\u0651\u0639 \u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0629.** \u0644\u0627 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0639\u0627\u0645\u0644 \u0639\u0627\u0645 \u0645\u0623\u062e\u0648\u0630 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646\u062a\u062c\u0627\u062a \u0623\u062e\u0631\u0649\u060c \u062d\u062a\u0649 \u0644\u0648 \u0643\u0627\u0646\u062a \u0645\u0646 \u0627\u0644\u0645\u0635\u0646\u0651\u0639 \u0646\u0641\u0633\u0647. \u0641\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062a\u0648\u0636\u062d \u0625\u0631\u0634\u0627\u062f\u0627\u062a Schneider \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0642\u0627\u0637\u0639 PowerPact B-Frame \u0623\u0646 \u0642\u064a\u0645 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u062a\u062e\u062a\u0644\u0641 \u0628\u0627\u062e\u062a\u0644\u0627\u0641 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u0646\u062a\u062c\u060c \u0645\u0645\u0627 \u064a\u0624\u0643\u062f \u0623\u0646 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629 \u0648\u062d\u062f\u0647\u0627 \u0647\u064a \u0627\u0644\u0645\u0646\u0637\u0628\u0642\u0629.<\/p>\n<p>3. **\u0637\u0628\u0651\u0642 \u062a\u0635\u062d\u064a\u062d\u064a \u0627\u0644\u0639\u0632\u0644 \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0639\u0627\u064b.** \u064a\u062d\u0643\u0645 \u0627\u0644\u0634\u0631\u0637 \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u062d\u0641\u0638\u0627\u064b \u0627\u062e\u062a\u064a\u0627\u0631 \u0641\u0626\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\u061b \u0648\u0641\u064a \u0645\u0639\u0638\u0645 \u062a\u0637\u0628\u064a\u0642\u0627\u062a 12 kV \u0641\u0648\u0642 3,000 MASL\u060c \u064a\u0643\u0648\u0646 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0639\u0632\u0644 \u0647\u0648 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062d\u0627\u0633\u0645 \u0641\u064a \u0627\u0644\u0642\u0631\u0627\u0631.<\/p>\n<p>4. **\u0648\u062b\u0651\u0642 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0645\u0635\u062d\u062d\u0629 \u0641\u064a \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0648\u0631\u0642\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0639\u062f\u0627\u062a.** \u064a\u062d\u0645\u064a \u0630\u0644\u0643 \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u0623\u062b\u0646\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u0628\u0648\u0644 \u0641\u064a \u0627\u0644\u0645\u0635\u0646\u0639 (FAT) \u0648\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u0628\u0648\u0644 \u0641\u064a \u0627\u0644\u0645\u0648\u0642\u0639 (SAT)\u060c \u0648\u064a\u0624\u0633\u0633 \u0645\u0631\u062c\u0639\u0627\u064b \u0644\u0623\u064a \u0642\u0631\u0627\u0631\u0627\u062a \u0635\u064a\u0627\u0646\u0629 \u0623\u0648 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629.<\/p>\n<p>5. **\u0641\u0643\u0651\u0631 \u0641\u064a \u0637\u0644\u0628 \u0627\u062e\u062a\u0628\u0627\u0631 \u0646\u0648\u0639\u064a \u062e\u0627\u0635 \u0628\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0623\u0648 \u0634\u0647\u0627\u062f\u0629 \u0644\u0645\u062f\u0649 \u0627\u0631\u062a\u0641\u0627\u0639 \u0645\u0645\u062a\u062f \u0645\u0646 \u0627\u0644\u0645\u0635\u0646\u0651\u0639** \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0648\u0642\u0639 4,000 MASL\u060c \u062d\u064a\u062b \u0642\u062f \u0644\u0627 \u064a\u0643\u0648\u0646 \u0627\u0633\u062a\u0642\u0631\u0627\u0621 \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0645\u062a\u062d\u0641\u0638\u0627\u064b \u0628\u0645\u0627 \u064a\u0643\u0641\u064a.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xbrele.com\/wp-content\/uploads\/2026\/07\/altitude-derating-for-12kv-indoor-vcbs-above-2000m-fig-04.webp\" alt=\"XBRELE \u2014 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 \u0642\u0648\u0627\u0637\u0639 VCB \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0628\u062c\u0647\u062f 12kV \u0641\u0648\u0642 2000m \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u2014 \u0627\u0644\u062a\u0648\u0631\u064a\u062f \u0648\u0627\u0644\u062a\u0633\u0644\u064a\u0645\" \/><\/figure>\n<p>\u2014<\/p>\n<h3>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0623\u0648\u0644\u064a \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629<\/h3>\n<p>\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\u060c \u064a\u0641\u0631\u0636 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0641\u0639\u0644\u064a \u0648\u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0623\u0648\u0644\u064a \u0644\u0642\u0627\u0637\u0639 VCB \u062f\u0627\u062e\u0644\u064a \u0628\u062c\u0647\u062f 12 kV \u0639\u0644\u0649 \u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0639\u0645\u0644\u064a\u0629 \u0625\u0636\u0627\u0641\u064a\u0629 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0641\u0631\u064a\u0642 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0627\u0644\u062a\u062e\u0637\u064a\u0637 \u0644\u0647\u0627. \u0631\u0627\u062c\u0639 <a href=\"https:\/\/xbrele.com\/ar\/vacuum-circuit-breaker\/\">\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u0641\u0631\u063a\u0629 \u0645\u0646 \u0627\u0644\u0647\u0648\u0627\u0621 XBRELE<\/a> \u0643\u0646\u0642\u0637\u0629 \u0628\u062f\u0627\u064a\u0629 \u0639\u0645\u0644\u064a\u0629 \u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0635\u064a\u063a\u0629 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0645\u0639 \u0627\u0644\u062a\u0637\u0628\u064a\u0642.<\/p>\n<p>**\u0645\u0631\u0627\u062c\u0639\u0629 \u0645\u0633\u0627\u0641\u0629 \u0627\u0644\u0632\u062d\u0641.** \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0623\u0633\u0637\u062d \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u2014 \u0627\u0644\u062c\u0644\u0628 \u0648\u0627\u0644\u0639\u0648\u0627\u0632\u0644 \u0648\u0642\u0636\u0628\u0627\u0646 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0639\u0632\u0648\u0644\u0629 \u2014 \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0645\u0633\u0627\u0641\u0629 \u0627\u0644\u0632\u062d\u0641 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0628\u0639\u062f \u0632\u064a\u0627\u062f\u062a\u0647\u0627. \u064a\u0635\u0646\u0641 IEC 60815 \u0634\u062f\u0629 \u0627\u0644\u062a\u0644\u0648\u062b\u060c \u0648\u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u062a\u0632\u064a\u062f \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0645\u0646 \u062e\u0637\u0631 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0633\u0637\u062d\u064a\u060c \u0648\u0644\u0627 \u0633\u064a\u0645\u0627 \u0639\u0646\u062f \u0648\u062c\u0648\u062f \u062a\u0644\u0648\u062b \u0635\u0646\u0627\u0639\u064a \u0623\u0648 \u0635\u062d\u0631\u0627\u0648\u064a \u0623\u064a\u0636\u0627\u064b. \u062d\u062f\u0651\u062f \u0645\u0633\u0627\u0641\u0629 \u0632\u062d\u0641 \u0645\u0645\u062a\u062f\u0629 \u0623\u0648 \u0639\u0632\u0644\u0627\u064b \u0645\u0646 \u0645\u0637\u0627\u0637 \u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 \u0627\u0644\u0643\u0627\u0631\u0647 \u0644\u0644\u0645\u0627\u0621 \u0644\u0644\u0645\u0648\u0627\u0642\u0639 \u0634\u062f\u064a\u062f\u0629 \u0627\u0644\u062a\u062d\u062f\u064a.<\/p>\n<p>**\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0641\u0631\u0627\u063a \u0648\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 SF\u2086.** \u0645\u0646 \u0645\u0632\u0627\u064a\u0627 \u062a\u0642\u0646\u064a\u0629 VCB \u0627\u0644\u062a\u064a \u0644\u0627 \u062a\u062d\u0638\u0649 \u0628\u0627\u0644\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0643\u0627\u0641\u064a \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0623\u0646 \u0648\u0633\u0637 \u0627\u0644\u0642\u0637\u0639 \u2014 \u0627\u0644\u0641\u0631\u0627\u063a \u2014 \u0645\u0633\u062a\u0642\u0644 \u062a\u0645\u0627\u0645\u0627\u064b \u0639\u0646 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u062c\u0648\u064a\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629. \u062a\u0639\u0645\u0644 \u0641\u062c\u0648\u0629 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0641\u064a \u0641\u0631\u0627\u063a \u0634\u0628\u0647 \u062a\u0627\u0645 \u062f\u0627\u062e\u0644 \u0642\u0627\u0631\u0648\u0631\u0629 \u0627\u0644\u0642\u0627\u0637\u0639\u060c \u0644\u0630\u0627 \u0644\u0627 \u062a\u062a\u0631\u0627\u062c\u0639 \u0642\u062f\u0631\u0629 \u0625\u062e\u0645\u0627\u062f \u0627\u0644\u0642\u0648\u0633 \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639. \u0648\u064a\u062e\u062a\u0644\u0641 \u0630\u0644\u0643 \u0639\u0646 \u0642\u0648\u0627\u0637\u0639 \u0646\u0641\u062b \u0627\u0644\u0647\u0648\u0627\u0621 \u0623\u0648 \u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0632\u064a\u062a\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0632\u064a\u062a\u060c \u0627\u0644\u062a\u064a \u062a\u062a\u0623\u062b\u0631 \u0628\u062f\u0631\u062c\u0629 \u0623\u0643\u0628\u0631 \u0643\u062b\u064a\u0631\u0627\u064b. \u0644\u0630\u0644\u0643 \u064a\u0642\u062a\u0635\u0631 \u0623\u062b\u0631 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0639\u0644\u0649 VCB \u0639\u0644\u0649 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0648\u0627\u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0644\u0627 \u0639\u0644\u0649 \u0623\u062f\u0627\u0621 \u0627\u0644\u0642\u0637\u0639\u060c \u0648\u0647\u064a \u0645\u064a\u0632\u0629 \u0647\u0646\u062f\u0633\u064a\u0629 \u0645\u0647\u0645\u0629.<\/p>\n<p>**\u0623\u062f\u0627\u0621 \u0622\u0644\u064a\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.** \u062a\u0639\u062a\u0645\u062f \u0622\u0644\u064a\u0629 \u0627\u0644\u0632\u0646\u0628\u0631\u0643 \u0627\u0644\u0645\u062e\u0632\u0646 \u0644\u0644\u0637\u0627\u0642\u0629 \u0641\u064a VCB \u0639\u0644\u0649 \u0646\u0648\u0627\u0628\u0636 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0644\u0627 \u0639\u0644\u0649 \u0636\u063a\u0637 \u0647\u0648\u0627\u0626\u064a \u0623\u0648 \u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u060c \u0648\u0644\u0630\u0644\u0643 \u064a\u0643\u0648\u0646 \u0645\u0635\u062f\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0645\u0633\u062a\u0642\u0644\u0627\u064b \u0628\u0637\u0628\u064a\u0639\u062a\u0647 \u0639\u0646 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u062a\u0633\u062a\u0645\u062f \u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0634\u062d\u0646 \u0628\u0627\u0644\u0645\u062d\u0631\u0643 \u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646 \u062a\u0628\u0631\u064a\u062f\u0647 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u062d\u064a\u0637\u061b \u0644\u0630\u0627 \u064a\u0646\u0628\u063a\u064a \u0645\u0631\u0627\u062c\u0639\u0629 \u0639\u0632\u0644 \u0645\u0644\u0641\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643 \u0641\u064a\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0628\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0648\u0642\u0639 \u0630\u0627 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u062d\u064a\u0637\u0629 \u0645\u0631\u062a\u0641\u0639\u0629 \u0623\u064a\u0636\u0627\u064b. \u062a\u062c\u0645\u0639 \u0645\u0648\u0627\u0642\u0639 \u0643\u062b\u064a\u0631\u0629 \u0645\u0631\u062a\u0641\u0639\u0629 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0627\u0633\u062a\u0648\u0627\u0626\u064a\u0629 \u0623\u0648 \u0634\u0628\u0647 \u0627\u0644\u062c\u0627\u0641\u0629 \u0628\u064a\u0646 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0648\u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0646\u0634\u0626 \u062d\u0627\u0644\u0629 \u0645\u0631\u0643\u0628\u0629 \u0644\u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u064a\u062c\u0628 \u062a\u0642\u064a\u064a\u0645\u0647\u0627 \u0628\u0635\u0648\u0631\u0629 \u0634\u0627\u0645\u0644\u0629. \u0627\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/xbrele.com\/ar\/vcb-closing-opening-failure-troubleshooting\/\">\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0648\u0627\u0644\u0641\u0635\u0644 \u0641\u064a VCB<\/a> \u0644\u062a\u0645\u064a\u064a\u0632 \u0623\u0633\u0628\u0627\u0628 \u0639\u0637\u0644 \u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0623\u0648 \u0627\u0644\u0645\u0644\u0641 \u0623\u0648 \u0627\u0644\u062a\u0634\u0627\u0628\u0643 \u0623\u0648 \u0627\u0644\u0622\u0644\u064a\u0629 \u0628\u0639\u062f \u0641\u0634\u0644 \u0639\u0645\u0644\u064a\u0629 \u062a\u0634\u063a\u064a\u0644.<\/p>\n<p>**\u062a\u062e\u0637\u064a\u0637 \u0627\u0644\u0635\u064a\u0627\u0646\u0629.** \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629\u060c \u064a\u062c\u0628 \u0623\u0646 \u062a\u0633\u062a\u062e\u062f\u0645 \u0643\u0644 \u0645\u0647\u0645\u0629 \u0635\u064a\u0627\u0646\u0629 \u062a\u0634\u0645\u0644 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u064b \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0627\u064b \u2014 \u0648\u0644\u0627 \u0633\u064a\u0645\u0627 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0639\u0627\u0644\u064a (Hi-Pot) \u0644\u0644\u0639\u0632\u0644 \u2014 \u062c\u0647\u0648\u062f \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0635\u062d\u062d\u0629 \u0644\u0644\u0627\u0631\u062a\u0641\u0627\u0639. \u064a\u0624\u062f\u064a \u062a\u0637\u0628\u064a\u0642 \u062c\u0647\u0648\u062f \u062a\u062d\u0645\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0639\u0646\u062f \u0645\u0633\u062a\u0648\u0649 \u0633\u0637\u062d \u0627\u0644\u0628\u062d\u0631 \u0639\u0644\u0649 \u0645\u0639\u062f\u0627\u062a \u0641\u064a \u0645\u0648\u0642\u0639 \u0645\u0631\u062a\u0641\u0639 \u0625\u0644\u0649 \u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0639\u0632\u0644 \u0628\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u062d\u062f \u062a\u0635\u0645\u064a\u0645\u0647\u060c \u0648\u0642\u062f \u064a\u0633\u0628\u0628 \u062a\u0644\u0641\u0627\u064b \u063a\u064a\u0631 \u0638\u0627\u0647\u0631 \u0641\u0648\u0631\u0627\u064b \u0644\u0643\u0646\u0647 \u064a\u0633\u0631\u0651\u0639 \u0627\u0644\u062a\u0642\u0627\u062f\u0645. \u0644\u0630\u0644\u0643 \u064a\u062c\u0628 \u0623\u0646 \u062a\u062d\u062f\u062f \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u062c\u0647\u0648\u062f \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0635\u062d\u062d\u0629 \u0643\u0645\u062e\u0631\u062c \u0645\u0646 \u0645\u062e\u0631\u062c\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u060c \u0644\u0627 \u0643\u0625\u0636\u0627\u0641\u0629 \u0644\u0627\u062d\u0642\u0629.<\/p>\n<p>\u2014<\/p>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3>\u0645\u0627 \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0628\u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 VCB \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 vcb altitude derating 2000m\u060c \u0648\u0644\u0645\u0627\u0630\u0627 \u064a\u0647\u0645\u061f<\/h3>\n<p>\u064a\u0634\u064a\u0631 \u062e\u0641\u0636 \u062a\u0635\u0646\u064a\u0641 VCB \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0641\u0648\u0642 2,000 MASL \u0625\u0644\u0649 \u0627\u0644\u062a\u062e\u0641\u064a\u0636 \u0627\u0644\u0625\u0644\u0632\u0627\u0645\u064a \u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u062a\u062d\u0645\u0644 \u0627\u0644\u0639\u0632\u0644 \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0648\u0627\u062c\u0628 \u062a\u0637\u0628\u064a\u0642\u0647 \u0639\u0644\u0649 \u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0631\u0627\u063a\u064a\u0629 \u0644\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629. \u0648\u062a\u0643\u0645\u0646 \u0623\u0647\u0645\u064a\u062a\u0647 \u0641\u064a \u0623\u0646 IEC 62271-1\u060c \u0628\u0627\u0644\u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u0639 IEC 60071-2\u060c \u064a\u0634\u062a\u0631\u0637 \u062a\u0635\u062d\u064a\u062d \u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0628\u0633\u0628\u0628 \u0627\u0646\u062e\u0641\u0627\u0636 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u0648\u0642 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0631\u062c\u0639\u064a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u060c \u0643\u0645\u0627 \u0623\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u064a\u062d\u062f \u0645\u0646 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0628\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0645\u0627 \u064a\u0642\u064a\u0651\u062f \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0622\u0645\u0646 \u0627\u0644\u0630\u064a \u062a\u0633\u062a\u0637\u064a\u0639 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u062d\u0645\u0644\u0647. \u0648\u0642\u062f \u064a\u0624\u062f\u064a \u0639\u062f\u0645 \u062a\u0637\u0628\u064a\u0642 \u0647\u0630\u0647 \u0627\u0644\u062a\u0635\u062d\u064a\u062d\u0627\u062a \u0625\u0644\u0649 \u0627\u0646\u0647\u064a\u0627\u0631 \u0627\u0644\u0639\u0632\u0644 \u0623\u0648 \u062a\u0633\u0631\u064a\u0639 \u0627\u0644\u062a\u0642\u0627\u062f\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0623\u0648 \u0643\u0644\u064a\u0647\u0645\u0627.<\/p>\n<h3>\u0645\u0627 \u062f\u0648\u0631 IEC 62271-1 \u0641\u064a \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d\u061f<\/h3>\n<p>\u064a\u064f\u0639\u062f IEC 62271-1 \u0645\u0639\u064a\u0627\u0631 IEC \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0630\u064a \u064a\u062d\u0643\u0645 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0634\u062a\u0631\u0643\u0629 \u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u062a\u064a\u062d \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0644\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0635\u0646\u0641\u0629 \u0641\u0648\u0642 1 kV. \u0648\u0647\u0648 \u064a\u0639\u062a\u0645\u062f \u0635\u0631\u0627\u062d\u0629\u064b \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0645\u0646 IEC 60071-2 \u0644\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0641\u0648\u0642 1,000 MASL. \u0648\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0644\u064a\u0633 \u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0629 \u0644\u0644\u0645\u0635\u0646\u0651\u0639\u060c \u0628\u0644 \u0645\u062a\u0637\u0644\u0628\u0627\u064b \u0645\u0639\u064a\u0627\u0631\u064a\u0627\u064b \u0644\u0644\u0645\u0646\u062a\u062c \u0646\u0641\u0633\u0647. \u0648\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u0649 \u0634\u0631\u0627\u0621 VCB \u0628\u062c\u0647\u062f 12 kV\u060c \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0640 IEC 62271-1 \u0623\u0646 \u064a\u0637\u0628\u0642 \u0627\u0644\u0645\u0647\u0646\u062f\u0633 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0635\u062d\u062d\u0629 \u0644\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0645\u0648\u0642\u0639 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u064a\u0648\u062b\u0642\u0647\u0627 \u0648\u064a\u062a\u062d\u0642\u0642 \u0645\u0646\u0647\u0627.<\/p>\n<h3>\u0645\u0627 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0639\u0627\u0632\u0644 \u0648\u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a\u061f<\/h3>\n<p>\u064a\u0639\u0627\u0644\u062c \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0646\u062e\u0641\u0627\u0636 \u062c\u0647\u062f \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631 \u0641\u064a \u0641\u062c\u0648\u0627\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639: \u0641\u0642\u0644\u0629 \u062c\u0632\u064a\u0626\u0627\u062a \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u064a \u0648\u062d\u062f\u0629 \u0627\u0644\u062d\u062c\u0645 \u062a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u0627\u062a \u062a\u0642\u0637\u0639 \u0645\u0633\u0627\u0641\u0627\u062a \u0623\u0637\u0648\u0644 \u0628\u064a\u0646 \u0627\u0644\u062a\u0635\u0627\u062f\u0645\u0627\u062a\u060c \u0645\u0627 \u064a\u062e\u0641\u0636 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0630\u064a \u064a\u062d\u062f\u062b \u0639\u0646\u062f\u0647 \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631 \u0641\u064a \u0627\u0644\u0639\u0632\u0644 \u0630\u064a \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u0647\u0648\u0627\u0626\u064a. \u0623\u0645\u0627 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0641\u064a\u0639\u0627\u0644\u062c \u0627\u0646\u062e\u0641\u0627\u0636 \u0642\u062f\u0631\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u062d\u064a\u0637 \u0639\u0644\u0649 \u0646\u0642\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0639\u064a\u062f\u0627\u064b \u0639\u0646 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0648\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062d\u0627\u0645\u0644\u0629 \u0644\u0644\u062a\u064a\u0627\u0631: \u0641\u0627\u0644\u0627\u0646\u062e\u0641\u0627\u0636 \u0646\u0641\u0633\u0647 \u0641\u064a \u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0630\u064a \u064a\u062e\u0641\u0636 \u062c\u0647\u062f \u0627\u0644\u0627\u0646\u0647\u064a\u0627\u0631 \u064a\u0642\u0644\u0644 \u0623\u064a\u0636\u0627\u064b \u062a\u062f\u0641\u0642 \u0643\u062a\u0644\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0641\u064a \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0648\u0627\u0644\u0642\u0633\u0631\u064a\u060c \u0641\u062a\u0631\u062a\u0641\u0639 \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0627\u062a\u0632\u0627\u0646 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644. \u0648\u064a\u062d\u062f\u062b \u0627\u0644\u062a\u0623\u062b\u064a\u0631\u0627\u0646 \u0645\u0639\u0627\u064b \u0639\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629\u060c \u0648\u064a\u062c\u0628 \u062a\u0642\u064a\u064a\u0645\u0647\u0645\u0627 \u0639\u0644\u0649 \u062d\u062f\u0629\u060c \u0648\u062a\u0643\u0648\u0646 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u0642\u064a\u064a\u062f\u0627\u064b \u0647\u064a \u0627\u0644\u062d\u0627\u0643\u0645\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a.<\/p>\n<h3>\u0645\u0627 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 VCB \u0628\u062c\u0647\u062f 12 kV \u0644\u0645\u0648\u0642\u0639 \u064a\u0632\u064a\u062f \u0627\u0631\u062a\u0641\u0627\u0639\u0647 \u0639\u0644\u0649 3,000 MASL\u061f<\/h3>\n<p>\u062a\u0628\u062f\u0623 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0628\u0628\u064a\u0627\u0646\u0627\u062a \u062f\u0642\u064a\u0642\u0629 \u0639\u0646 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0648\u0642\u0639\u060c \u062b\u0645 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062c\u062f\u0648\u0644 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0627\u0644\u0645\u0646\u0634\u0648\u0631 \u0645\u0646 \u0627\u0644\u0645\u0635\u0646\u0651\u0639 \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0644\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u062f \u0645\u0646 VCB \u0642\u064a\u062f \u0627\u0644\u062f\u0631\u0627\u0633\u0629. \u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647 \u0628\u0639\u0648\u0627\u0645\u0644 \u0639\u0627\u0645\u0629 \u0645\u0623\u062e\u0648\u0630\u0629 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0645\u0646\u062a\u062c\u0627\u062a \u0623\u062e\u0631\u0649 \u0623\u0648 \u0645\u0646 \u0645\u0635\u0646\u0651\u0639\u064a\u0646 \u0622\u062e\u0631\u064a\u0646. \u0648\u064a\u0637\u0628\u0642 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u0639\u0632\u0644 \u0648\u0641\u0642 IEC 60071-2 \u0644\u062a\u062d\u062f\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u062c\u0647\u062f\u0627 LIWV \u0648PFWV \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0627\u0646 \u0644\u0645\u0639\u062f\u0627\u062a 12 kV \u0633\u064a\u0638\u0644\u0627\u0646 \u0643\u0627\u0641\u064a\u064a\u0646 \u0641\u064a \u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0648\u0642\u0639\u060c \u0623\u0648 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u064a\u0644\u0632\u0645 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0639\u062f\u0627\u062a \u0630\u0627\u062a \u0641\u0626\u0629 \u0639\u0632\u0644 \u0623\u0639\u0644\u0649 (\u0645\u062b\u0644 VCB \u0628\u062c\u0647\u062f 17.5 kV \u0623\u0648 24 kV) \u0644\u0646\u0638\u0627\u0645 \u0628\u062c\u0647\u062f 12 kV. \u0648\u064a\u0637\u0628\u0642 \u0627\u0644\u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0628\u0635\u0648\u0631\u0629 \u0645\u0633\u062a\u0642\u0644\u0629 \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0643\u0641\u0627\u064a\u0629 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631. \u0648\u064a\u0648\u062b\u0642 \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u0646 \u0627\u0644\u0645\u0635\u062d\u062d\u0627\u0646 \u0641\u064a \u0648\u0631\u0642\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<h3>\u0645\u0627 \u0623\u062b\u0631 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0639\u0644\u0649 \u0623\u062f\u0627\u0621 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0641\u0631\u0627\u063a\u064a \u062a\u062d\u062f\u064a\u062f\u0627\u064b\u061f<\/h3>\n<p>\u064a\u0643\u0648\u0646 \u0627\u0644\u0642\u0627\u0637\u0639 \u0627\u0644\u0641\u0631\u0627\u063a\u064a \u0646\u0641\u0633\u0647 \u0645\u062d\u0643\u0645 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0648\u064a\u0639\u0645\u0644 \u0641\u064a \u0641\u0631\u0627\u063a \u062f\u0627\u062e\u0644\u064a \u062a\u062a\u0645 \u0627\u0644\u0645\u062d\u0627\u0641\u0638\u0629 \u0639\u0644\u064a\u0647 \u0628\u0635\u0648\u0631\u0629 \u0645\u0633\u062a\u0642\u0644\u0629 \u0639\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062c\u0648\u064a \u0627\u0644\u0645\u062d\u064a\u0637. \u0644\u0630\u0644\u0643 \u0644\u0627 \u062a\u062a\u062f\u0647\u0648\u0631 \u0642\u062f\u0631\u0629 VCB \u0639\u0644\u0649 \u0625\u062e\u0645\u0627\u062f \u0627\u0644\u0642\u0648\u0633 \u0648\u0642\u0637\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0628\u0633\u0628\u0628 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639. \u0648\u0647\u0630\u0647 \u0645\u064a\u0632\u0629 \u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u062a\u0642\u0646\u064a\u0629 VCB \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0642\u0648\u0627\u0637\u0639 \u0646\u0641\u062b \u0627\u0644\u0647\u0648\u0627\u0621 \u0623\u0648 \u0627\u0644\u0642\u0648\u0627\u0637\u0639 \u0627\u0644\u0632\u064a\u062a\u064a\u0629\u060c \u0627\u0644\u062a\u064a \u064a\u0631\u062a\u0628\u0637 \u0623\u062f\u0627\u0621 \u0627\u0644\u0642\u0637\u0639 \u0641\u064a\u0647\u0627 \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0628\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0648\u064a. \u0644\u0630\u0644\u0643 \u064a\u062a\u0631\u0643\u0632 \u062e\u0641\u0636 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0631\u062a\u0628\u0637 \u0628\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0641\u064a VCB \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a (\u0627\u0644\u062c\u0644\u0628 \u0648\u0627\u0644\u0641\u0648\u0627\u0635\u0644 \u0648\u0627\u0644\u0623\u0637\u0631\u0627\u0641 \u0648\u0645\u0633\u0627\u0641\u0627\u062a \u0627\u0644\u0639\u0632\u0644) \u0648\u0641\u064a \u0627\u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u062d\u0627\u0645\u0644\u0629 \u0644\u0644\u062a\u064a\u0627\u0631\u060c \u0644\u0627 \u0641\u064a \u0622\u0644\u064a\u0629 \u0627\u0644\u0642\u0637\u0639 \u0646\u0641\u0633\u0647\u0627.<\/p>","protected":false},"excerpt":{"rendered":"<p>Quick Takeaway Confirm the project duty and applicable requirements for VCB before selection or service work. Use recorded inspection and test evidence instead of unsupported assumptions. Keep the final acceptance, maintenance, and handover documents with the equipment record. High-altitude installations introduce a set of engineering challenges that are easy to underestimate during the early design [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4169,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[24],"tags":[],"class_list":["post-4174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vacuum-circuit-breaker-knowledge"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts\/4174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/comments?post=4174"}],"version-history":[{"count":2,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts\/4174\/revisions"}],"predecessor-version":[{"id":4276,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/posts\/4174\/revisions\/4276"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/media\/4169"}],"wp:attachment":[{"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/media?parent=4174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/categories?post=4174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xbrele.com\/ar\/wp-json\/wp\/v2\/tags?post=4174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}