Answer / ankur

RMU-Ring Main Unit
It consists of Isolator-Breaker-Isolator configuration.
The RMU is used in the 11 kV HT Power network.

The RMU is using SF6 gas for the arc quenching medium. All
the two isolator and one breaker are in the one chamber
having SF6 gas.

The breaker is having O/C and E/F protection using relays.
The isolator is being used for the operation on ON LOAD due
to the SF6 gas medium.

Answer / sunil jaiswar

RMU is used for redudancy feeder purpose with 2inputs
electrical interlock & one outgoing to the load

Dear all, is ther any body who can tell me about the setting of ACB(air circuit breaker ). what kind of it,s setting is and how to do it,s setting. also please tell me the setting of VCB(vaccume circuit breaker) . please tell me their setting,s. i will b very thank ful to all of u. Thank,s and Regard,s. Muhammed Ikram.

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