RMU and switchgear
RMU and switchgear
(OP)
Hello friends,
could someone please explain the main difference between a ring main unit and MV switchgear. in a substation do we have to have the two?
could someone please explain the main difference between a ring main unit and MV switchgear. in a substation do we have to have the two?






RE: RMU and switchgear
An RMU is a specific type of switchgear comprising a pair of switches for a ring circuit to loop in and out, plus a switch-fuse or breaker for the tap-off feeding the load, all integrated into a single unit.
RE: RMU and switchgear
Thanks,
Vijay
RE: RMU and switchgear
RMUs are mostly suitable for outdoor installation with minimum protection and controls. In some cases even the external control supply also not use.
RE: RMU and switchgear
Maybe you can check ABB Safeplus for more details.
Thanks,
Vijay
RE: RMU and switchgear
type. One can add features such as standoff trip/close facility. The VIP410E protection relay has adequate settings.
RE: RMU and switchgear