A 2400/240 V, 200 kVA, single phase transformer has a core loss of 1.8 – McqOptions

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1.	A 2400/240 V, 200 kVA, single phase transformer has a core loss of 1.8 kW at rated voltage. Its equivalent resistance is 1.1%. Then the transformer efficiency at 0.9 power factor and on full load is
A.	95.60%
B.	96.71%
C.	97.82%
D.	98.93%
Answer» D. 98.93%

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