how to calculate optimum loading for transformer?

Answer Posted / sathish n p

Take an example let tr rating is 2500KVA, 11KV/415v

TO calculate maximum loading on primary side
2500 X 10^3=1.732 X 11 X 10^3 X I

I=131.01Amps
Similarly Secondary side
2500 X 10^3=1.732 X 415 X I

I=3478 Amps

Is This Answer Correct ?    33 Yes 5 No



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