The following data are obtained when open-circuit and
Chapter , Problem 3.12(choose chapter or problem)
The following data are obtained when open-circuit and short-circuit tests are performed on a single-phase, 50-kVA, 2400/240-volt, 60-Hz distribution transformer. VOLTAGE(volts) CURRENT(amperes) POWER(watts) Measurements on low-voltage side with high-voltage winding open 240 4.85 173 Measurements on high-voltage side with low-voltage winding shorted 52.0 20.8 650 (a) Neglecting the series impedance, determine the exciting admittance referred to the high-voltage side. (b) Neglecting the exciting admittance, determine the equivalent series impedance referred to the high-voltage side. (c) Assuming equal series impedances for the primary and referred secondary, obtain an equivalent T-circuit referred to the high-voltage side.
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