what is the current rating of 2500 KVA,33KV/433v transformer
on secondary(LT) side
Answer Posted / rafeek
p=3^1/3*vicos$
=3^1/3*415*i*0.8
p = 575i
p=250*0.8=200kw
200*1000=575i
i=347.82
i=347.82*1.2=417.39
i-~=400amps
| Is This Answer Correct ? | 3 Yes | 9 No |
Post New Answer View All Answers
what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?
in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?
What is different between Circuit breaker and Isolater?
What happen if 200 KVAR capacitor connected to power continuesly?
What are the conditions for sustained oscillator or what is backhouse criterion?
What is the function of the generator exciter?
State thevenin’s theorem?
Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.
How to setting the volume of RTCC panel AVR (11kv) controller
What would be the size of wire used for 2 Ton of window A.C?
When MICC cables used ?
slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock
what is the difference between switch yard to residential area.and how much required it.
what is EIB lighting control system? what is the advantages of this system?
how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.