Tripping by protective relays on all CBs is unrestricted. The opening command on all CBs,…
Read More »The principle of operation of switchgear is shown in First photo for a circuit breaker.The…
Read More »Fiber-optic current sensors (FOCS) have reached a high degree of maturity and are about to…
Read More »For installations at an altitude higher than 1000 m from sea level, the required insulation…
Read More »Video from YouTube (Tavrida Electric – Russia circuit breaker operating mechanism) Closing operation:…
Read More »Interlocking between different switchgear apparatus and enclosure access covers and doors enhances personnel safety, as…
Read More »Particulars of system, i.e. nominal and highest voltages, frequency, number of phases and details of…
Read More »Metal atoms are explosively accelerated from the cathode spots into the switching…
Read More »Disconnector switches interlock takes 3 basic forms in substations: Mechanical cam-action type (figure left): used…
Read More »Control function can be performed from different control levels: From bay level: Through the bay…
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