Answer / kj

Usually a RMU is used to allow a feed of supply from 2
directions and tapping of to a transformer, etc.

Each of these supplies may have a number of RMU's in series
forming a ring. If a section of the feeder needs to be
isolated due to work or failure an RMU on each end of this
section can be opened without stopping any supply.

Answer / ramgopal gupta

two purposes 1.reduce voltage drop.2.increse the supply
reliability when fault occurs.

Answer / sanjeev kumat

need of RMU is to provide the uninteruptted power supply .
purpose of rmu is to make a ring of power supply network so that supply can be feed from 2nd source on failure of 1st source of power supply .
operating function of RMU (RING MAIN UNIT ) switchgear are closing , opening and to do earth to the ckt. .the funtion of rmu are very easily to operate . it consist mechanically interlocking and sealed tank containing sf6 gas . and provide very good factor of safety .

Answer / al mahmoodi

In addition the easiest way to make feeder sectional when cable fault occurs and arranged power supply backfeed

Answer / chokkalingam

RMU-Ring Main Unit has multiple power source which can switched "ON" alternatively. whenever there is a fault/break down in one circuit by the other source of power supply

Answer / kamal

1 when RMU connected to SCADA system we can detect line fault on the office room
2 AB Switch operation removed by RMU
RMU is nothing but AB Switch in simple word

When oil level in the oltc of power transformer reduces , oil surge relay will act or not

4 Answers  

boiler is running in rankine cycle and deisel generator is....?

0 Answers   century,

what about the input current fan when regulator regulates to speed low?

1 Answers  

What is the meaning, function and application of OLTC?

3 Answers   Home,

Pls anyone explain me the basics of wiring a house?

3 Answers  

what r the tests on the 3 phase transformers can any one explain how to test using megger on transformers thx

2 Answers  

how can we know the size of cable cross-section from current rating ?

3 Answers  

how to calculate the multiplying factor for energy meter with CT ratio given

23 Answers   Bhel, Dalmia Group, DIFC, Fedco, Hindustan Unilever Limited, Lupin, MahaDiscom, MAL Pakistan, Myunghwa Automotive, Panchshil Infrastructure, Regala, RVPN, VIPL,

what is the function and use of cable differential protection relay?

0 Answers  

what are safety seals in HT line?

2 Answers  

Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?

1 Answers  

1.differance between onload ups and off line ups.

1 Answers   CTS,