How will you calaculate the Ct ratio based on connected
load 500KVA,and 11KV supply ?

Answer Posted / venu

p=root3*v*i
500K=root3*11K*I
hence we get
I=62.096
so this is the maximum current flowing to the particular
load so we can use 75/1A ratio CT

Is This Answer Correct ?    19 Yes 9 No



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