A 15-kVA 8000/230-V distribution transformer has an impedance referred to the prima of 80+ j3000. The components of the excitation branch referred to the primary side ar RC = 350 kN and XM = 70 kQ2. (a) If the primary voltage is 7967 V and the load impedance is ZL = 3.0 +j1.5 2, what is the secondary voltage of the transformer? Wha the voltage regulation of the transformer? (b) If the load is disconnected and a capacito of-j4.0 N is connected in its place, what is the secondary voltage of the transformer?
A 15-kVA 8000/230-V distribution transformer has an impedance referred to the prima of 80+ j3000. The components of the excitation branch referred to the primary side ar RC = 350 kN and XM = 70 kQ2. (a) If the primary voltage is 7967 V and the load impedance is ZL = 3.0 +j1.5 2, what is the secondary voltage of the transformer? Wha the voltage regulation of the transformer? (b) If the load is disconnected and a capacito of-j4.0 N is connected in its place, what is the secondary voltage of the transformer?
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Transcribed Image Text:A 15-kVA 8000/230-V distribution transformer has an impedance referred to the primary
of 80 + j3000. The components of the excitation branch referred to the primary side are
RC = 350 kn and XM = 70 k. (a) If the primary voltage is 7967 V and the load
impedance is ZL = 3.0 +j1.5 №, what is the secondary voltage of the transformer? What is
the voltage regulation of the transformer? (b) If the load is disconnected and a capacitor
of-j4.0 2 is connected in its place, what is the secondary voltage of the transformer?
What is its voltage regulation under these conditions?
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