what is the meaning of Ring Mean Unit in a substation or
trasformer also tell me its oerpuse?

Answer Posted / nitin

root mean squar of a substation

Is This Answer Correct ?    1 Yes 41 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the formula of frequency ?

1067


DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

2154


how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1596


What is reactive power and where it is used.

1296


what is rocking arrangement in arc heating

1771






Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1646


wheather the size of windings in motor and generator are the same

1598


How is the connection of the tap changer on the HV side been made?

1597


A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

2583


is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1538


CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1525


In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

1680


What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?

866


300m long and 30kw inductive loade 3phase supply how many size cable required

1108


How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

1468