WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

Answer Posted / parthi

The copper loss of
transformer is depent
on the current and iron
loss is depent on the
voltage. The losses
are does not depent
on the frequency so
the transformer
ratings are in Kva not
in kw.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Compare salient pole and cylindrical rotor machines.

1462


Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

1575


What is the formuala to calculate the rating of motor protection circuit breaker

1728


What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

2454


What types of question are done for diploma students in aptitude test

1086






in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2413


What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

1630


Define stepper motor. What is the use of stepper motor?

692


What is online and offline ups? how does it works?

1625


Is vtg is controlled by the resistor? if else how much?

1655


Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

1589


how can calculate 1kva generator running time in 1 liter keroscene

2109


what will happens if one phase is missing for 33/11kv power transfomer and why?

2200


how many types of motor can be used in washing machine

1687


what type questions asked in hp cl

1444