A single phase transformer rated at 3000 kVA, 69 kV 4.16 kV, 60 Hz has a total internal impedance Zp of 127...

A single phase transformer rated at 3000 kVA, 69 kV 4.16 kV, 60 Hz has a total internal impedance Zp of 127 ohm, referred to the primary side. Calculate the primary current if the secondary is accidentally short circuited. 

(A) 43.5 A (B) 543 A (C) 9006 A (D) 721 A 
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2 Answers

Answer :

If the secondary is accidentally short circuited then AEs=0

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Answer :

543A
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