Determine efficiency of transformer for secondary current

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Reference no: EM13256327

A single-phase, 100-kVA, 1000:100-V, 60-Hz transformer has the following test results:

Open-circuit test (FIV side open): 100 V, 6 A, 400 W

Short-circuit test (LV side shorted): 50 V, 100 A, 1800 W

1)Determine the voltage regulation at 75% of the rated secondary current with 0.6 power factor leading. Assume the primary is supplied with rated voltage.

2)Determine the efficiency of the transformer when the secondary current is at its rated value and the power factor at the load is 0.8 lagging with a secondary voltage of 98 V across the load.

Reference no: EM13256327

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