single phase transformer with open circuit test and short circuit test
A 20 kVA, 12,000/380 V, single-phase transformer has the following test results:
open circuit (low voltage side): V = 380, I = 2, P = 250
short circuit (high voltage side): V = 200, I = 2.5, P = 250
a)Determine the approximate equivalent circuit parameters of the transformer in per-unit values.
b) the transformer is working at 80% full load with 0.85 power factor lagging. what is the secondary current at this working condition in both actual and per-unit values.
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single phase transformer with open circuit test and short circuit test
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please solve the question in pu sysyem !!!!
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