why is the rating of transformer done in kva and not in kw.
Answer Posted / parminder singh
bcz. core losses and cu losses are depend upon voltage and
current. so t/f rating in voltage-ampear. not in watt.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
Explain Random and Deterministic signals?
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15
reason of diode failure in alternator
In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.
How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.
What is knee point voltage?
I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
What is the ideal position cooling fan inside the dc motor?
Is vtg is controlled by the resistor? if else how much?
placement paper samples of mspl company
If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?
Readings of ER300P Trivector meter
What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer
what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?