{"id":3803,"date":"2026-09-29T01:00:00","date_gmt":"2026-09-29T01:00:00","guid":{"rendered":"https:\/\/lbajiele.com\/?p=3803"},"modified":"2026-10-04T10:30:44","modified_gmt":"2026-10-04T10:30:44","slug":"control-switchgear-guide","status":"publish","type":"post","link":"https:\/\/lbajiele.com\/ar\/blog\/control-switchgear-guide\/","title":{"rendered":"Control Switchgear: Guide"},"content":{"rendered":"<p><strong>Control switchgear houses power distribution, motor control, automation, protection and operator interfaces in an engineered enclosure.<\/strong> \u062a\u0628\u062f\u0623 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u0629 \u0628\u0648\u0635\u0641 \u0648\u0638\u064a\u0641\u064a\u060c \u0648\u0642\u0627\u0626\u0645\u0629 \u0623\u062d\u0645\u0627\u0644\u060c \u0648\u062c\u062f\u0648\u0644 \u0625\u062f\u062e\u0627\u0644\/\u0625\u062e\u0631\u0627\u062c \u0642\u0628\u0644 \u062a\u062e\u0637\u064a\u0637 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a.<\/p><p>Related references include the <a href=\"https:\/\/lbajiele.com\/ar\/blog\/33kv-gis-switchgear-guide\/\">33kV GIS switchgear guide<\/a>, \u060c <a href=\"https:\/\/lbajiele.com\/ar\/blog\/switchgear-testing-testing-guide\/\">\u062f\u0644\u064a\u0644 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a> \u0648 <a href=\"https:\/\/lbajiele.com\/ar\/blog\/complete-guide-to-ring-main-units\/\">ring main unit guide<\/a>.<\/p><h2>Control switchgear design inputs<\/h2><p>Define the controlled process, source and load ratings, control voltage, fault duty, operating modes, permissives, interlocks, alarm priorities, communications, environmental conditions and maintenance boundary. Separate power wiring from instrumentation and communications, provide terminal access and reserve space for heat-producing devices. The panel schedule should identify every breaker, contactor, relay, fuse, terminal and spare point.<\/p><p>Protection and automation are related but not interchangeable. A control command must not defeat an earth switch, door interlock or breaker trip path. Review fail-safe behavior for loss of auxiliary power, broken wire, communication failure and emergency stop. Record the expected state of each output during commissioning and maintenance.<\/p><p>Use a cause-and-effect matrix for trips, alarms, permissives and reset conditions. Test normal, abnormal and loss-of-supply states, then save the results with the revision-controlled drawings. This makes later troubleshooting safer because the operator can distinguish a deliberate interlock from an unexpected failure.<\/p><p>Review the matrix with operations and maintenance before handover. A technically correct panel can still be unsafe if operators do not know the normal state, the isolation boundary or the response to a failed permissive. Document those decisions in plain language.<\/p><p>Also define the control-power source, fuse coordination, terminal numbering, communication timeout and safe state for every remote function. Test the panel with the upstream device and the controlled equipment, not only on a workbench. Record measured pickup, trip, timing and indication results against the approved acceptance criteria.<\/p><p>Include a rollback plan for firmware or relay-setting changes and identify who authorizes the return to service. These records protect the operating team when a control sequence is changed after commissioning.<\/p><p>Review these results at handover and retain the signed commissioning record for future maintenance audits.<\/p><p>Store the signed test sheet with the panel serial number.<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/04\/XGN15-12-Box-type-fixed-AC-metal-enclosed-switchgear.webp\" alt=\"LBAJI ring main unit used as a control switchgear reference\" loading=\"lazy\"\/><figcaption>Control switchgear interfaces protection, isolation, indication and the operating sequence shown on the one-line.<\/figcaption><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/04\/XGW-12630-25-Ring-net-box-box-type-opening-and-closing-station.webp\" alt=\"LBAJI ring main unit with cable and control interfaces\" loading=\"lazy\"\/><figcaption>Control and communication wiring must be separated, labeled and tested against the approved drawings.<\/figcaption><\/figure><h2>Control switchgear commissioning<\/h2><p>Commissioning should prove local controls, remote commands, permissive logic, trip circuits, indication, interlocks, alarm contacts, CT and VT polarity, communications and fail-safe behavior. Compare every point with the I\/O list and approved sequence of operation. Do not bypass a protection interlock without an approved test method.<\/p><p>Keep the final control schematic, terminal schedule, relay settings, test records and software revision with the equipment. During maintenance, isolate power and control sources separately, control stored energy and verify that a remote command cannot re-energize the compartment unexpectedly.<\/p><h2>\u0641\u064a\u062f\u064a\u0648 \u062a\u0642\u0646\u064a \u0645\u062d\u0627\u064a\u062f<\/h2><p>This neutral switchgear video provides general background; the installed control philosophy and safety procedure take priority.<\/p><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/4oRT7PoXSS0\" title=\"Switchgear control and protection principles\" loading=\"lazy\" allowfullscreen><\/iframe>\n<div class=\"lbaji-key-takeaways\"><h2>\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2><ul><li>\u0627\u0628\u062f\u0623 \u0628\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647\u0627 \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u062d\u0627\u0643\u0645.<\/li><li>\u0646\u0633\u0642 \u0627\u0644\u062a\u0642\u064a\u064a\u0645\u0627\u062a\u060c \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629\u060c \u0648\u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0643\u0642\u0631\u0627\u0631 \u0648\u0627\u062d\u062f.<\/li><li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0631\u0633\u0648\u0645\u0627\u062a\u060c \u0648\u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a\u060c \u0648\u0633\u062c\u0644\u0651\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0644\u062f\u0639\u0645 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0634\u0631\u0627\u0621.<\/li><\/ul><\/div>\n<h2>\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u062a\u062d\u0643\u0645<\/h2><figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"Control cabinet power supplies, relays and terminal blocks\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/04\/KYN61-40.5-Armouring-removable-AC-metal-enclosed-switchgear.webp\"\/><figcaption>\u0645\u0632\u0648\u062f\u0627\u062a \u0637\u0627\u0642\u0629 \u062e\u0632\u0627\u0646\u0629 \u0627\u0644\u062a\u062d\u0643\u0645\u060c \u0648\u0627\u0644\u0631\u062d\u0644\u0627\u062a (\u0627\u0644\u0645\u0631\u062d\u0644\u0627\u062a)\u060c \u0648\u0643\u062a\u0644 \u0627\u0644\u0637\u0631\u0641\u064a\u0627\u062a (\u0627\u0644\u0631\u0648\u0634\u062a\u0627\u062a).<\/figcaption><\/figure><p>\u062a\u062d\u062f\u062f \u0628\u0646\u064a\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u062d\u062f\u0648\u062f \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0633\u0644\u064a\u0645. \u0642\u0645 \u0628\u062a\u0633\u062c\u064a\u0644 \u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0648\u0627\u0644\u0637\u0648\u0631\u060c \u0648\u0627\u0644\u062a\u0631\u062f\u062f\u060c \u0648\u0627\u0644\u062a\u062d\u0645\u0627\u0644\u060c \u0648\u0627\u062c\u0628 \u0627\u0644\u0639\u0637\u0644\u060c \u0648\u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0648\u062a\u0627\u0631\u064a\u062e \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0637\u0628\u0642 \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0623\u0648 \u0646\u0637\u0627\u0642 \u0627\u0644\u0639\u0645\u0644. \u062a\u0645\u0646\u0639 \u0647\u0630\u0647 \u0627\u0644\u0645\u062f\u062e\u0644\u0627\u062a \u0627\u0633\u0645 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0645\u0623\u0644\u0648\u0641 \u0645\u0646 \u0623\u0646 \u064a\u064f\u062e\u0637\u0623 \u0641\u064a\u064f\u0638\u0646 \u0623\u0646\u0647 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0643\u0627\u0645\u0644\u0629.<\/p>\n<section class=\"lbaji-article-table\"><h2>\u062c\u062f\u0648\u0644 \u0645\u0642\u0627\u0631\u0646\u0629 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0633\u0631\u064a\u0639<\/h2><p>\u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u062c\u062f\u0648\u0644 \u0643\u0645\u0631\u0627\u062c\u0639\u0629 \u0633\u0631\u064a\u0639\u0629 \u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0648\u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0634\u0631\u062d\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0644.<\/p><figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th scope=\"col\">\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0642\u0631\u0627\u0631<\/th><th scope=\"col\">\u0627\u0644\u0645\u0639\u0646\u0649 \u0627\u0644\u0639\u0645\u0644\u064a<\/th><th scope=\"col\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647<\/th><\/tr><\/thead><tbody><tr><td>\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u062a\u062d\u0643\u0645<\/td><td>\u062a\u062d\u062f\u062f \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u062d\u062f\u0648\u062f \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0633\u0644\u064a\u0645.<\/td><td>\u0633\u062c\u0644 \u062c\u0647\u062f \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0648\u0627\u0644\u0637\u0648\u0631\u060c \u0648\u0627\u0644\u062a\u0631\u062f\u062f\u060c \u0648\u0627\u0644\u062d\u0645\u0644\u060c \u0648\u0627\u062c\u0628 \u0627\u0644\u0639\u0637\u0644\u060c \u0648\u0627\u0644\u0628\u064a\u0626\u0629\u060c \u0648\u062a\u0627\u0631\u064a\u062e \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647 \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0623\u0648 \u0646\u0637\u0627\u0642 \u0627\u0644\u0639\u0645\u0644.<\/td><\/tr><tr><td>\u0642\u0648\u0627\u0637\u0639\u060c \u0645\u0648\u0635\u0644\u0627\u062a\u060c \u0645\u062d\u0631\u0643\u0627\u062a\u060c \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0628\u0631\u0645\u062c\u0629 (PLC) \u0648\u0627\u0644\u0645\u0631\u062d\u0644\u0627\u062a<\/td><td>For control switchgear, ratings and observed condition must be verified from nameplates, drawings and test evidence.<\/td><td>\u0642\u0627\u0631\u0646 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0642\u0627\u0633\u0629 \u0645\u0639 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u060c \u0648\u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0633\u0627\u0628\u0642\u0629\u060c \u0648\u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0635\u0627\u062f\u0631\u0629 \u0639\u0646 \u0627\u0644\u062c\u0647\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0623\u0648 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u062d\u0627\u0643\u0645.<\/td><\/tr><tr><td>\u0645\u062e\u0637\u0637\u060c \u062a\u0631\u0642\u064a\u0645 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0645\u0637\u0627\u0631\u0641<\/td><td>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0646\u0633\u0642 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a\u060c \u0648\u0627\u0644\u0639\u0632\u0644\u060c \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629\u060c \u0648\u0627\u0644\u062a\u0628\u062f\u064a\u0644\u060c \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0643\u0645\u0646\u0638\u0648\u0645\u0629 \u0648\u0627\u062d\u062f\u0629.<\/td><td>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0627\u0644\u062d\u0627\u0644\u064a\u060c \u0648\u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0624\u0642\u062a\u0629\u060c \u0648\u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u0631 \u0627\u0644\u0645\u062a\u0627\u062d\u060c \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0648\u0627\u0644\u062e\u0644\u0648\u0635\u0627\u062a.<\/td><\/tr><tr><td>\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0642\u0635\u064a\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 (SCCR)\u060c \u0648\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062d\u0627\u0648\u064a\u0627\u062a<\/td><td>\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0641\u0639\u0644\u064a.<\/td><td>\u062a\u0646\u0637\u0628\u0642 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0625\u0632\u0627\u0644\u0629 \u062a\u0646\u0634\u064a\u0637 \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u0648\u0639\u0632\u0644 \u0627\u0644\u0642\u0641\u0644\u060c \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u062e\u0632\u0646\u0629\u060c \u0627\u0644\u062a\u0623\u0631\u064a\u0636\u060c \u0648\u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0623\u0634\u062e\u0627\u0635 \u0627\u0644\u0645\u0624\u0647\u0644\u064a\u0646 \u0642\u0628\u0644 \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u0641\u062d\u0635 \u0623\u0648 \u0627\u0644\u062e\u062f\u0645\u0629.<\/td><\/tr><tr><td>\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0623\u0633\u0644\u0627\u0645 \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645<\/td><td>\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0627\u0644\u0628\u062f\u0627\u0626\u0644 \u0645\u0646 \u062d\u064a\u062b \u0639\u0648\u0627\u0642\u0628 \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629: \u0627\u0644\u062e\u0633\u0627\u0626\u0631\u060c \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0648\u0642\u062a \u0627\u0644\u062a\u0648\u0642\u0641\u060c \u062a\u0648\u0641\u0631 \u0642\u0637\u0639 \u0627\u0644\u063a\u064a\u0627\u0631\u060c \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629\u060c \u0627\u0644\u0628\u0635\u0645\u0629 \u0627\u0644\u0645\u0643\u0627\u0646\u064a\u0629\u060c \u0627\u0644\u062a\u0648\u062b\u064a\u0642\u060c \u0648\u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u062a\u0648\u0642\u0639.<\/td><td>\u0642\u062f \u064a\u0643\u0648\u0646 \u0623\u062f\u0646\u0649 \u0633\u0639\u0631 \u0623\u0648\u0644\u064a \u0647\u0648 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0639\u0644\u0649 \u062a\u0643\u0644\u0641\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642\u060c \u0623\u0648 \u0627\u0646\u0642\u0637\u0627\u0639\u0627\u062a \u0645\u0645\u062a\u062f\u0629\u060c \u0623\u0648 \u0623\u062f\u0627\u0621 \u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647.<\/td><\/tr><\/tbody><\/table><\/figure><\/section><h2>\u0642\u0648\u0627\u0637\u0639\u060c \u0645\u0648\u0635\u0644\u0627\u062a\u060c \u0645\u062d\u0631\u0643\u0627\u062a\u060c \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0628\u0631\u0645\u062c\u0629 (PLC) \u0648\u0627\u0644\u0645\u0631\u062d\u0644\u0627\u062a<\/h2><p>For control switchgear, ratings and observed condition must be verified from nameplates, drawings and test evidence. Compare measured values with factory data, prior trends and limits from the manufacturer or governing standard. A single measurement rarely proves fitness; repeatability, test conditions and trend direction matter.<\/p>\n<p>\u0644\u063a\u0631\u0636 \u0625\u062c\u0631\u0627\u0621 \u0645\u0642\u0627\u0631\u0646\u0629 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639\u060c \u064a\u062a\u0645 \u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0648\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0645\u0646 \u0642\u0628\u0644 \u0641\u0646\u064a\u064a\u0646 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u064a\u0646 \u0645\u0624\u0647\u0644\u064a\u0646. \u0648\u064a\u0639\u062f \u0630\u0644\u0643 \u0645\u0647\u0645\u064b\u0627 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0627\u0644\u0623\u0645\u0631 \u0628\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644\u060c \u0623\u0648 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u060c \u0623\u0648 \u0648\u0627\u062c\u0647\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u0641\u0642\u060c \u0623\u0648 \u0627\u0644\u0639\u0645\u0644 \u0639\u0644\u0649 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u062d\u064a\u0629.<\/p>\n<h2>\u0645\u062e\u0637\u0637\u060c \u062a\u0631\u0642\u064a\u0645 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0645\u0637\u0627\u0631\u0641<\/h2><figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"Electrical drawings and load schedules during design review\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/04\/HC-40.5-Fully-insulated-and-fully-sealed-ring-network-metal-switchgear.webp\"\/><figcaption>\u0627\u0644\u0631\u0633\u0648\u0645\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u062c\u062f\u0627\u0648\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0623\u062b\u0646\u0627\u0621 \u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645.<\/figcaption><\/figure><p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0646\u0633\u0642 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a\u060c \u0648\u0627\u0644\u0639\u0632\u0644\u060c \u0648\u0627\u0644\u062d\u0645\u0627\u064a\u0629\u060c \u0648\u0627\u0644\u062a\u0628\u062f\u064a\u0644\u060c \u0648\u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0643\u0638\u0627\u0645 \u0648\u0627\u062d\u062f. \u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0627\u062f\u064a\u060c \u0648\u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u0624\u0642\u062a\u0629\u060c \u0648\u062a\u064a\u0627\u0631 \u0642\u0635\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u062a\u0627\u062d\u060c \u0648\u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0648\u0627\u0644\u062e\u0644\u0648\u0635\u0627\u062a. \u064a\u0646\u0628\u063a\u064a \u0623\u0646 \u062a\u062d\u0644 \u0627\u0644\u0645\u0644\u062d\u0642\u0627\u062a \u062d\u0627\u062c\u0629 \u062a\u0634\u063a\u064a\u0644\u064a\u0629 \u0623\u0648 \u0645\u0631\u0627\u0642\u0628\u0629 \u0645\u0639\u0644\u0646\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0646\u0633\u062e\u0647\u0627 \u0645\u0646 \u0645\u0634\u0631\u0648\u0639 \u0622\u062e\u0631.<\/p>\n<h2>\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u064a\u0627\u0631 \u0642\u0635\u064a\u0631 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 (SCCR)\u060c \u0648\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062d\u0627\u0648\u064a\u0627\u062a<\/h2><p>\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0641\u0639\u0644\u064a. \u062a\u0646\u0637\u0628\u0642 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0625\u0632\u0627\u0644\u0629 \u062a\u0646\u0634\u064a\u0637 \u0627\u0644\u0637\u0627\u0642\u0629\u060c \u0648\u0627\u0644\u0642\u0641\u0644\u060c \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u062e\u0632\u0646\u0629\u060c \u0648\u0627\u0644\u062a\u0623\u0631\u064a\u0636\u060c \u0648\u0627\u0644\u0623\u0634\u062e\u0627\u0635 \u0627\u0644\u0645\u0624\u0647\u0644\u064a\u0646 \u0642\u0628\u0644 \u0627\u0644\u0641\u062d\u0635 \u0623\u0648 \u0627\u0644\u0635\u064a\u0627\u0646\u0629. \u0648\u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u062a\u0634\u062e\u064a\u0635 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u0646\u0634\u0637\u0629 \u0645\u0628\u0631\u0631\u0627\u064b\u060c \u064a\u062c\u0628 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0642\u064a\u064a\u0645 \u0631\u0633\u0645\u064a \u0644\u0644\u0645\u062e\u0627\u0637\u0631\u060c \u0648\u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629\u060c \u0648\u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0645\u0648\u0642\u0639.<\/p>\n<p>\u0644\u063a\u0631\u0636 \u0625\u062c\u0631\u0627\u0621 \u0645\u0642\u0627\u0631\u0646\u0629 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639\u060c \u064a\u062a\u0645 \u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0648\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0645\u0646 \u0642\u0628\u0644 \u0641\u0646\u064a\u064a\u0646 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u064a\u0646 \u0645\u0624\u0647\u0644\u064a\u0646. \u0648\u064a\u0639\u062f \u0630\u0644\u0643 \u0645\u0647\u0645\u064b\u0627 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0627\u0644\u0623\u0645\u0631 \u0628\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0639\u0637\u0627\u0644\u060c \u0623\u0648 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u060c \u0623\u0648 \u0648\u0627\u062c\u0647\u0627\u062a \u0627\u0644\u0645\u0631\u0627\u0641\u0642\u060c \u0623\u0648 \u0627\u0644\u0639\u0645\u0644 \u0639\u0644\u0649 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u062d\u064a\u0629.<\/p>\n<h2>\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0623\u0633\u0644\u0627\u0645 \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645<\/h2><p>\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0627\u0644\u0628\u062f\u0627\u0626\u0644 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u062a\u0628\u0639\u0627\u062a \u062f\u0648\u0631\u0629 \u0627\u0644\u062d\u064a\u0627\u0629: \u0627\u0644\u062e\u0633\u0627\u0626\u0631\u060c \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0648\u0642\u062a \u0627\u0644\u062a\u0639\u0637\u0644\u060c \u062a\u0648\u0641\u0631 \u0642\u0637\u0639 \u0627\u0644\u063a\u064a\u0627\u0631\u060c \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629\u060c \u0627\u0644\u0645\u0633\u0627\u062d\u0629 (\u0627\u0644\u0628\u0635\u0645\u0629)\u060c \u0627\u0644\u062a\u0648\u062b\u064a\u0642\u060c \u0648\u0645\u062a\u0648\u0642\u0639 \u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629. \u0642\u062f \u064a\u0643\u0648\u0646 \u0627\u0644\u0633\u0639\u0631 \u0627\u0644\u0623\u0648\u0644\u064a \u0627\u0644\u0623\u0642\u0644 \u0647\u0648 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0639\u0644\u0649 \u062a\u0643\u0644\u0641\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u0639\u062f\u0645 \u0627\u0644\u062a\u0648\u0627\u0641\u0642\u060c \u0623\u0648 \u0627\u0646\u0642\u0637\u0627\u0639\u0627\u062a \u0645\u0645\u062a\u062f\u0629\u060c \u0623\u0648 \u0623\u062f\u0627\u0621 \u063a\u064a\u0631 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u062d\u0642\u0642.<\/p>\n<h2>\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0648\u0627\u0644\u062a\u0648\u062b\u064a\u0642<\/h2><p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0648\u0636\u062d \u0637\u0644\u0628 \u0627\u0644\u0634\u0631\u0627\u0621 \u0623\u0648 \u0627\u0644\u062e\u062f\u0645\u0629 \u0646\u0637\u0627\u0642 \u0627\u0644\u0639\u0645\u0644\u060c \u0648\u0627\u0644\u062a\u0642\u064a\u064a\u0645\u0627\u062a\u060c \u0648\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631\u060c \u0648\u0627\u0644\u0631\u0633\u0648\u0645\u0627\u062a\u060c \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a\u060c \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0642\u0628\u0648\u0644\u060c \u0648\u0627\u0644\u0633\u062c\u0644\u0627\u062a\u060c \u0648\u0627\u0644\u0636\u0645\u0627\u0646. \u0648\u064a\u062c\u0628 \u0627\u0634\u062a\u0631\u0627\u0637 \u0630\u0643\u0631 \u0623\u064a \u0627\u0646\u062d\u0631\u0627\u0641\u0627\u062a \u0628\u0634\u0643\u0644 \u0635\u0631\u064a\u062d. \u0648\u0642\u0628\u0644 \u062a\u0646\u0634\u064a\u0637 \u0627\u0644\u0645\u0639\u062f\u0627\u062a\u060c \u064a\u062c\u0628 \u0645\u0637\u0627\u0628\u0642\u0629 \u0644\u0648\u062d\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0645\u0648\u0631\u062f\u0629 \u0648\u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0639 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0639\u062a\u0645\u062f \u0648\u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u062e\u0637 \u0623\u0633\u0627\u0633 \u0644\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629.<\/p>\n<h2>\u0645\u0627 \u062a\u0624\u0643\u062f \u0639\u0644\u064a\u0647 \u0646\u062a\u0627\u0626\u062c \u062c\u0648\u062c\u0644 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0639\u0627\u062f\u0629\u064b<\/h2><p>\u0623\u0638\u0647\u0631\u062a \u0645\u0631\u0627\u062c\u0639\u062a\u0646\u0627 \u0644\u0646\u062a\u0627\u0626\u062c \u0623\u0641\u0636\u0644 20 \u0646\u062a\u064a\u062c\u0629 \u062d\u0627\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629 \u062a\u063a\u0637\u064a\u0629 \u0645\u062a\u0643\u0631\u0631\u0629 \u062d\u0648\u0644: 3. \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u062a\u062d\u0643\u0645\u060c 3.8. \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0625\u0646\u0633\u0627\u0646 \u0648\u0622\u0644\u0629 (HMI)\u060c 3.6. \u0627\u0644\u0645\u0631\u062d\u0644\u0627\u062a \u0648\u0627\u0644\u0645\u0644\u0627\u0645\u0633\u0627\u062a\u060c 1. \u0645\u0627 \u0647\u0648 \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u0639\u0627\u0632\u0644\u061f\u060c 3.4. \u0637\u0631\u0641 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 (Terminal Block). \u064a\u062a\u0636\u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0646\u0642\u0627\u0637 \u0627\u0644\u0642\u0631\u0627\u0631 \u062a\u0644\u0643 \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u062a\u0631\u0643\u064a\u0632\u0647 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0647\u0646\u062f\u0633\u064a.<\/p>\n<h2>\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629 \u0628\u0640 LBAJI<\/h2><p>\u0631\u0627\u062c\u0639 \u0645\u0627 \u0630\u064f\u0643\u0631 <a href=\"https:\/\/lbajiele.com\/ar\/product-category\/distribution-box\/\">\u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646\u062a\u062c\u0627\u062a LBAJI<\/a> \u0648\u0627\u0644\u062f\u0627\u0639\u0645\u0629 <a href=\"https:\/\/lbajiele.com\/ar\/blog\/complete-guide-to-general-electrical-knowledge\/\">\u062f\u0644\u064a\u0644 \u0631\u0643\u064a\u0632\u0629 \u0627\u0644\u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0639\u0627\u0645\u0629<\/a>. \u0623\u0631\u0633\u0644 \u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u062d\u0627\u062f\u064a\u060c \u0648\u0627\u0644\u0642\u062f\u0631\u0627\u062a\u060c \u0648\u0627\u0644\u0643\u0645\u064a\u0629\u060c \u0648\u0627\u0644\u0628\u064a\u0626\u0629 \u0644\u0644\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<\/div>\n<\/div>\n<section class=\"lbaji-decision-aid\"><h2>\u0633\u064a\u0631 \u0639\u0645\u0644 \u0627\u0644\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0639\u0645\u0644\u064a<\/h2><p>For control switchgear, use a documented workflow rather than a catalogue-only choice. First freeze system inputs and operating limits. Next compare the available construction or service options against the actual environment. Then verify calculations, protection interfaces and acceptance tests. Finally, record approved deviations and preserve baseline results for commissioning and maintenance.<\/p><ol><li>\u0631\u0627\u062c\u0639 \u0627\u0644\u0642\u0648\u0627\u0637\u0639\u060c \u0627\u0644\u0645\u0644\u0627\u0645\u0633\u0627\u062a\u060c \u0627\u0644\u0645\u064f\u0634\u063a\u0650\u0651\u0644\u0627\u062a\u060c \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0645\u0646\u0637\u0642\u064a\u0629 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0628\u0631\u0645\u062c\u0629 (PLC)\u060c \u0648\u0627\u0644\u062a\u0631\u062d\u064a\u0644\u0627\u062a (\u0627\u0644\u0631\u064a\u0644\u064a\u0647\u0627\u062a)\u060c \u0648\u0642\u0645 \u0628\u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li><li>\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u062a\u062e\u0637\u064a\u0637\u064a\u060c \u0648\u062a\u0631\u0642\u064a\u0645 \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u0648\u0627\u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0637\u0631\u0641\u064a\u0629\u060c \u0648\u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li><li>\u0645\u0631\u0627\u062c\u0639\u0629 \u062a\u064a\u0627\u0631 \u0627\u0644\u0642\u0635\u0631 (SCCR)\u060c \u0648\u062a\u0635\u0645\u064a\u0645 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062f\u0641\u0626\u0629 \u0648\u0627\u0644\u062d\u0648\u0627\u0641\u0638\u060c \u0648\u062a\u0648\u062b\u064a\u0642 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li><li>\u0645\u0631\u0627\u062c\u0639\u0629 \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0623\u0645\u0627\u0646 \u0648\u0627\u0639\u062a\u0627\u0645 \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0648\u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/li><\/ol><\/section><section class=\"lbaji-acceptance-records\"><h2>\u0633\u062c\u0644\u0627\u062a \u0627\u0644\u0642\u0628\u0648\u0644 \u0627\u0644\u0645\u0631\u0627\u062f \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0647\u0627<\/h2><p>\u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0635\u062d\u064a\u0641\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629\u060c \u0648\u0627\u0644\u0631\u0633\u0648\u0645\u0627\u062a\u060c \u0648\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641\u0627\u062a\u060c \u0648\u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0639\u0646\u062f \u0627\u0644\u0627\u0642\u062a\u0636\u0627\u0621\u060c \u0648\u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0648\u062a\u064a\u0646\u064a\u0629 \u0648\u0627\u0644\u062e\u0627\u0635\u0629\u060c \u0648\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629\u060c \u0648\u0646\u062a\u0627\u0626\u062c \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u060c \u0648\u0627\u0644\u0635\u0648\u0631 \u0627\u0644\u0641\u0648\u062a\u0648\u063a\u0631\u0627\u0641\u064a\u0629\u060c \u0648\u062a\u0641\u0627\u0635\u064a\u0644 \u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629. \u062a\u0633\u062c\u064a\u0644 \u0638\u0631\u0648\u0641 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0627\u0644\u0642\u064a\u0645\u060c \u0644\u0623\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062c\u0647\u0627\u0632 \u0648\u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629. \u062a\u0646\u0634\u0626 \u0647\u0630\u0647 \u0627\u0644\u0645\u0633\u062a\u0646\u062f\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0644\u0644\u062a\u062d\u0642\u064a\u0642 \u0641\u064a \u0627\u0644\u0625\u0646\u0630\u0627\u0631\u0627\u062a \u0627\u0644\u0644\u0627\u062d\u0642\u0629\u060c \u0623\u0648 \u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644\u060c \u0623\u0648 \u0627\u0644\u062a\u062f\u0647\u0648\u0631. \u0643\u0645\u0627 \u0623\u0646\u0647\u0627 \u062a\u0645\u0646\u0639 \u0637\u0644\u0628 \u0645\u0639\u062f\u0627\u062a \u0628\u062f\u064a\u0644\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0648\u0635\u0641 \u063a\u064a\u0631 \u0645\u0643\u062a\u0645\u0644 \u0628\u0639\u062f \u062a\u063a\u064a\u0631 \u0627\u0644\u0623\u0641\u0631\u0627\u062f \u0623\u0648 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646.<\/p><\/section><section class=\"lbaji-technical-references\"><h2>\u0627\u0644\u0645\u0631\u0627\u062c\u0639 \u0627\u0644\u0641\u0646\u064a\u0629 \u0648\u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0625\u0636\u0627\u0641\u064a\u0629<\/h2><ul><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/588\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0642\u062f\u0631\u0629 IEC 60076-1<\/a><\/li><li><a href=\"https:\/\/www.osha.gov\/electrical\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0635\u062d\u0629 \u0627\u0644\u0645\u0647\u0646\u064a\u0629 (\u0623\u0648\u0634\u0627)<\/a><\/li><li><a href=\"https:\/\/www.energy.gov\/cmei\/buildings\/distribution-transformers\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0627\u0628\u0639\u0629 \u0644\u0648\u0632\u0627\u0631\u0629 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629<\/a><\/li><\/ul><\/section>\n<h2>\u062e\u0627\u062a\u0645\u0629<\/h2><p>An control switchgear houses power distribution, motor control, automation, protection and operator interfaces in an engineered enclosure. A reliable panel starts with a functional description, load list and I\/O schedule before component layout. Use project data and documented acceptance criteria before purchase, installation or service.<\/p>","protected":false},"excerpt":{"rendered":"<p>Control switchgear houses power distribution, motor control, automation, protection and operator interfaces in an engineered enclosure. A reliable panel starts with a functional description, load list and I\/O schedule before component layout. Related references include the 33kV GIS switchgear guide, the switchgear testing guide and the ring main unit guide. Control switchgear design inputs Define [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3951,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53],"tags":[76,83],"class_list":["post-3803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-switchgear-protection","tag-medium-voltage-switchgear","tag-power-distribution"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/3803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/comments?post=3803"}],"version-history":[{"count":3,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/3803\/revisions"}],"predecessor-version":[{"id":3810,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/posts\/3803\/revisions\/3810"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/media\/3951"}],"wp:attachment":[{"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/media?parent=3803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/categories?post=3803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbajiele.com\/ar\/wp-json\/wp\/v2\/tags?post=3803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}