Switchgear, ib hom kev sib sau ua tiav fais fab sib dhos, feem ntau yog lub luag haujlwm rau kev tswj thiab kev tiv thaiv ntawm lub tshuab hluav taws xob.
Nws cov qauv feem ntau muaj xws li ib tug busbar compartment, lub Circuit Court breaker compartment, ib tug thib ob tswj compartment (los yog instrumentation compartment), thiab ib tug feeder compartment; cov compartments yog cais los ntawm ib leeg los ntawm cov hlau phaj kom muaj kev ruaj ntseg thiab ruaj khov.
Internally, lub switchgear yog nruab nrog ntau yam khoom xyaw-xws li busbars, Circuit Court breakers, pa relays, integrated relay tiv thaiv pab kiag li lawm, metering instruments, disconnectors, taw qhia teeb, thiab grounding switches- uas ua hauj lwm nyob rau hauv kev hais kwv txhiaj kom muaj kev saib xyuas thiab kev tiv thaiv rau lub hwj chim system.
