German University in Cairo

The results of open circuit and short circuit tests on a 25kVA, 440V/220V, 60 Hz transformer are as follows: Open-circuit test: high-voltage side is open circuited, input voltage= 220V, input current= 9.6A, input power =710W. Short-circuit test: low-voltage short-circuited, input voltage=42V, input current =57A, input power 1030W. Obtain the exact equivalent circuit parameters, referred to the ... ................
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