how to calculate short circuit calculation of the transformer by usuing the pe

how to calculate short circuit calculation of the transformer
by usuing the percentage impedence?

formula needed.

Question Posted / ashok

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? ..

Answer / k.prakashchandra

= Ifl x 100 / percentage Z

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7 Yes

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? ..

Answer / elangovan kp

Isc (Shot circuit Current ) = Full load current of Tranformer / Impedance(%)

Ex: for 1000 KVA, 11/0.415 KV Transformer , Percentage Impedance - 6% :

Full load current of LV side of Transformer = 1000 * 1000 / ( 415 * 1.732)

= (1391 / 6) * 100

= 23187 Amps.

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