Answer / rajiniganth

RING MAIN UNIT

Answer / sivakumar

RING MAIN UNIT IS A 11 KV OR 33 KV HT PANEL HAVING 3
BREAKERS THAT IS 2 FOR INCOMING ONE FOR OUT GOING. IT
ENABLES CONSUMER USE 2 SOURCES OF HT POWER IN A THE SAME
METERING POINT i. e RMU.

Answer / santosh

If there are two nos of ht power we have used to ring main
unit panel. In case of power failer from one source we can
take power from another source at the same point.

Answer / khalid mahmood

RMU IS A DISTRIBUTION SUBSTATION.IT PROVIDES MEDIUM VOLTAGE
POWER SUPPLY 11KV 13.8KV 22KV 33KVS.TWO CIRCUITS PROVIDED
FOR FEEDIND ALTERNATIVELY & ONE FOR TO FEED THE TRANSFORMER
EQUIPED WITH OVER CURRENT AS WELL AS EARTH FAULT PROTECTION
RELAYS TO PROTECT THE TRANSFORMER.I HIGHLY RECMEND THAT TWO
FEEDERS SHOULD BE INTERLOCKED TO AVOID THE OPERATION
SIMELTANEOUSLY.

Answer / zafir alam

Ring Main Unit used in high voltage Distribution
System.There's flexibility in the supply in this system.

Answer / dixit

RMU is a panel generally forms ring system in which distributor is supplied from more than 1 feeders as input to RMU so that in case of failure from any one feeder ,power can be fed uninterruptedly from another feeders at the same point.
Now a days it is of SF6 gas insulated type.

Answer / ramandeep

used for two input of ht and one out put for ht ..
used for given the supply at same time .when one supply
will be fail ....& most important is we have to provide
interlocking between two incomer so that at a time only one
incomer can be ON . other it may short circuit

Answer / santosh bansal

Ring Main Unit
used for two input of ht and one out put for ht ..
or same one input and two out put ....
used for given the supply at same time .when one supply
will be fail ....

Answer / khalid mahmood janjua

RING MAIN UNIT IS TO BE USED TWO INCOMMING AND ONE OUT GOING GENERALLY BUT SOME TIMES ONE INCOMMING AND TWO OUT GOINGS MEDIUM VOLTAGE SUPPLIES.IN ENGINEERING DISTRIBUTION THIS IS CALLED FLEXIBLE POWER SUPPLY.NO A DAY SF6 CIRCUIT BREAKERS GOING TO BE USED.THESE ARE MAINTENANCE FREE BREAKERS.REMEMBER THAT SOLID WITH EPOXY RESIN CAST ALSO USED THOSE ARE NOT LATEST BUT ARE COMPATIBLE TO INTERNAL STANDARDS.

Answer / jitendra patil

what is interlock in rmu (sf6breaker) bitween two or three isolator?

why ht11kv supply needs discharging during shut down time

1 Answers  

A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

0 Answers   TCS,

what is the resistance value of our human body?

9 Answers  

what is the EMF

2 Answers  

What are the precautions to be taken before working on a cable?

1 Answers   Alfanar,

What is the difference between bundled conductors and double circuit?

1 Answers   Power Grid,

Why use in ht motore

0 Answers   ACB Group,

what are the different kind of cables used for transmissions?

0 Answers  

HOW DOES THE PERCENTAGE DIFFERENTIAL PROTECTION WORK IN POWER TRANSFORMER

1 Answers  

What is difference between YNyn0 and YNyn ??

0 Answers  

How to calculate battery back up time for a 400 AH battery bank installed in telecom shelter for a load of 20 Amps and time taken to fully charge this battery bank?

3 Answers  

What is the power requirement of tamil nadu for one month?

0 Answers