What is a switchgear?
Jul 17, 2021
The switchgear consists of one or more low-voltage switchgear and related control, measurement, signal, protection, regulation and other equipment. It is a combination that the manufacturer is responsible for completing all internal and mechanical connections, and is completely assembled with structural components.
The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, power distribution and electrical energy conversion in the system.
The structure of the switch cabinet is roughly similar, mainly divided into busbar room, room, secondary control room (instrument room), and feeder room. Usually there is steel plate isolation between each chamber.
The interior includes: bus (busbar), circuit breaker, conventional and integrated relay protection device, measuring instrument, isolating knife, indicator light, grounding knife, etc.
