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kaka99
Jan 25, 2009, 10:48 AM
what is the current rating of 100 KVA distribution transformer with ratings as
V = 11KV/0.4KV f = 50Hz
danar
Jan 27, 2009, 12:07 AM
use your power formula

p=srt3EI for 3ph
p in kva
I in Amps
E v in the secondary
anasmemon
Mar 10, 2011, 02:00 AM
I=100/(1.73*11)=5.25A on 11KV side
I=100/(1.73*0.4)= 144A on 0.4KV side