what is ring main unit?

Answer Posted / pramod

in normal power system, if load is connected to only one common bus,then whole load depend on it. But, if load is connected in ring system, like ring main system, then if one section getting fault, then other will capable to supply power. So, it is more important for reliability of power supply

Is This Answer Correct ?    7 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

1527


tell me about roaster switch .& what is the function in transmission & distribution?

2172


Why can't we parallel the secondary circuits of two voltage transformers?

981


hi, i finished b.tech eee in 2008, im worked in dg sets mfg company , now i left job in 6months back, now again i want get job core side, how can i get? is there any couses we have learn to get better oppurtunity? /

1522


Installation method of self treated earth electrode.

1487






oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1571


how slip power recovery system work

2538


Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?

1478


What is the meaning of Insulation H for transformers????

1617


What are the advantages and disadvantages of the dc motors?

629


how we find transformer capacity by ohm

1745


diameter of cable and core is doubled then the value of capacitance is

3702


Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

1742


What are the advantages and disadvantages of open loop control system?

662


What is different between Circuit breaker and Isolater?

1228