Question

IGATE E.E. 2008)
84. In a 100 kVA, 1100/220 V, 50 Hz single phase transformer with
2.000 turns on high-voltage side, the open-circuit test result gives
220 V.91 A, 5 kW on low-voltage side. The core-loss component
of current is, approximately
(a) 9.1 A (b) 22.7 A (c) 45.0 A (d) 91 A
[U.P.S.C. I.E.S. E.E.-II 2002]​

Answer 1

Answer:

Core loss component of current Ic = Core loss/ Voltage on L.V side

CORE LOSS =5 KW =5000W

L.V SIDE VOLTAGE = 220V.

SO Ic = 5000/220=22.72A

Answer 2

Answer:

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