Why Trasformers rated in KVA
Answer Posted / sadik pasha
copper losses depends on current and iron losses depends on
voltage so efficency of t/f depends on these two losses so
t/f's rated in KVA.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is the safty of poly phase tranformer?
what are the disadvantages in GIS over AIS
Define active filter?
what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.
how we can calculate chiller required ampear?
Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .
sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box
What is ideal IR values for ground and neutral.
what are the condition that makes hooter blow?
What is the use of Surge Capacitor in LAVT?
A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
what is the transformer turn ratio formula and give some examples?