Home /
Expert Answers /
Electrical Engineering /
3-ph-system-has-transformer-13-8k-v-0-4-kv-3500kva-calculate-the-faul-impedance-znet-pu-o-pa994
(Solved): 3 ph system has transformer ( 13.8k(v)/(0.4)kv ), 3500KVA Calculate the faul impedance ( Znet, pu) o ...
3 ph system has transformer (
13.8k(v)/(0.4)kv),
3500KVACalculate the faul impedance (
Znet, pu) of a symmetrical fault current at
LVside if the operating time of normal IDMT relay is
1000ms, the ratio of
CTis
(900)/(5)and the pick up current is
200%with TMS 0.3
