what is the RMU and RMU system in sub-station(11kv,66kv.....)

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what is the RMU and RMU system in sub-station(11kv,66kv.....)..

Answer / chintu

RING MAIN UNIT.

Used on HT side, when two or more incoming feeders and one out going feeder.
OR
one incoming feeder and two or more out going feeders.

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what is the RMU and RMU system in sub-station(11kv,66kv.....)..

Answer / thran

RMU- Ring main unit... this one is switching devices...

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