Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu

Answer Posted / 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 .

Is This Answer Correct ?    11 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What do you mean by pull of electromagnet?

606


what will be project cost for 100 kv transformer connection under oyt scheme.

2419


how to select battery for 15 KVA UPS with formula

2099


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

1594


types of central Air conditioner plant?

1714






Which device is used for the source of emission of electrons in a crt?

739


why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

1516


specific difference of ICT&Auto Transformer

1395


what is laser diodes?

739


what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

1753


What is kvar?

861


What is the difference between hot and cold loop testing?

676


1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

2088


how to select the no. of brushes in a lap winding?

1761


In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

1642