if we convert watt into kva,which one formula use by us,pls
tell me?

Answer Posted / jyotirmaya

For 3 Phase Supply
KVA = Watt/ (1.732 x p.f.x 1000)

For 1 Phase Supply
KVA = Watt/(p.f. x 1000)

Is This Answer Correct ?    4 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1031


what happen when power factor of 2 parallely operated transformer become equle?

1697


What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

1670


what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1514


i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

1551






technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1538


how calculate the electrical load for industry and office

8317


how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

1910


What are the advantage of free wheeling diode in a full wave rectifier?

638


what is advertised hop count

1264


There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1418


how to calculate magnetic force genrated by a coil ?

1719


why a tester wont shock while testing the power in house

1314


what are the specifications we must look at to select a relay for any capacity motor?

1558


What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

1718