why the rating of a transformer in kva not in kw.

Answer Posted / s hubertsubis

There are two losses in transformer cu loss depends on
current & iron loss depends on voltage total loss depends
on voltamper(VA)at that time we do not require power factor
thats way we mentioned transformer rating in kva not in kw

Is This Answer Correct ?    7 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

1627


Different types of relay fault which phase sequence??

461


block diagram of 2 ups system connected in hot stand by mode?

7485


What is the source of dependent source ?

1423


How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

1599






what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

1465


What is bode plot?

803


what is the difference between torque induced and torque load?compare them with respect to dc motor?

1577


what is is the potential diffrence between two phase ?

5357


Earth has zero potential then what would be the neutral potential ?

921


What is turn ratio of a transformer?

661


how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

1054


Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.

1405


In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

1372


why swityard is necessrry requirement in any bis power distributin systems?

1880