View Full Version : What is a ring main unit
Perito
Jun 2, 2009, 02:23 PM
A piece of switchgear in distribution systems .
KEMA - Ring Main Unit (RMU) (http://www.kema.com/high_and_medium_voltage/high_and_medium_voltage_components/MV_switchgear/ring_ain_units/)
Hot Corn Bread
Jun 2, 2009, 03:23 PM
WikiAnswers - What is a ring main unit in electrical power distribution (http://wiki.answers.com/Q/What_is_a_ring_main_unit_in_electrical_power_distr ibution)
tkrussell
Jun 2, 2009, 04:41 PM
Another practical everyday use is used in Britain and other European countries, in homes, starting with the Consumer Unit,
Consumer unit - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Consumer_unit)
Which feeds a Ring main, basically a ring of power cable that has plugin distribution outlets for lights, applainces, etc. all through the circuit.
Wiring a ring main, electrical wiring, wiring a circuit, electrical circuits, mains wiring (http://www.diydoctor.org.uk/projects/ringmain.htm)
ABBAS HARUNA
Jun 7, 2009, 02:01 AM
Rmu is a type of protective device ( switch gear ) that has two oil operated switch at its both ends and a t-off fuse that protect transformer
mosharraf
Nov 29, 2011, 04:44 AM
[B][B]Ring Main Unit. RMU used for H.T.side. RMU is having
3no.s of switches(Circuit Breakers or Isolators or LBS), it
Is used for two inputs with mechanical or electrical
Interlock and one outgoing to the load. Either one input
With two outgoings. RMU used for redundancy feeder's
Purpose.
MOSHARRAF