2. A 17KVA, 340V/680V transformer has been tested to determine its equivalent circuit. The open circuit test data when high voltage side is open: Voc=340, lo=5A, Pac=250W. The short circuit test data when low voltage side is short circuited: V=50V, Ik=25A, Pa=275W. Use approximate equivalent circuit. Find the equivalent circuit parameters of this transformer referred to the low voltage side.

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Author:Robert L. Boylestad
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c. Calculate the magnitude and the phase angle of full load current at the secondary side at
0.8 pf lagging. -
d. Calculate the full load voltage regulation at 0.8 lagging PF.
Draw the phasor diagram with the values of the parameters for secondary referred circuit.
е.
Transcribed Image Text:c. Calculate the magnitude and the phase angle of full load current at the secondary side at 0.8 pf lagging. - d. Calculate the full load voltage regulation at 0.8 lagging PF. Draw the phasor diagram with the values of the parameters for secondary referred circuit. е.
2. A 17KVA, 340v/680V transformer has been tested to determine its equivalent circuit. The open
circuit test data when high voltage side is open: Vac=340, loc=5A, Poc=250W. The short circuit test
data when low voltage side is short circuited: V=50V, Ic=25A, Pa=275W. Use approximate
equivalent circuit. Find the equivalent circuit parameters of this transformer referred to the low
voltage side.
Transcribed Image Text:2. A 17KVA, 340v/680V transformer has been tested to determine its equivalent circuit. The open circuit test data when high voltage side is open: Vac=340, loc=5A, Poc=250W. The short circuit test data when low voltage side is short circuited: V=50V, Ic=25A, Pa=275W. Use approximate equivalent circuit. Find the equivalent circuit parameters of this transformer referred to the low voltage side.
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