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Q3- The approximate equivalent circuit of a single-phase 5 kVA, 480-240 V transformer is shown in Fig. 0.500 a. /1.20 200 /300 m (0.125 +/0.30) Draw the equivalent circuit as seen from the high- voltage side. b. Draw the equivalent circuit as seen from the low- voltage side. e. Find the per-unit value of the transformer's leakage impedance. d. Determine the primary voltage when the transformer delivers rated current to a load at 240 volts and 0.80 power factor lagging.

Q3- The approximate equivalent circuit of a single-phase 5 kVA, 480-240 V transformer is shown in Fig. 0.500 a. /1.20 200 /300 m (0.125 +/0.30) Draw the equivalent circuit as seen from the high- voltage side. b. Draw the equivalent circuit as seen from the low- voltage side. e. Find the per-unit value of the transformer's leakage impedance. d. Determine the primary voltage when the transformer delivers rated current to a load at 240 volts and 0.80 power factor lagging.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Q3- The approximate equivalent circuit of a single-phase 5 kVA, 480-240 V transformer is shown in Fig. 0.500 /1.20 200 /300 (0.125+/0.30) Draw the equivalent circuit as seen from the high- voltage side. b. Draw the equivalent circuit as seen from the low- voltage side. c. Find the per-unit value of the transformer's leakage impedance. d. Determine the primary voltage when the transformer delivers rated current to a load at 240 volts and 0.80 power factor lagging.
Transcribed Image Text:Q3- The approximate equivalent circuit of a single-phase 5 kVA, 480-240 V transformer is shown in Fig. 0.500 /1.20 200 /300 (0.125+/0.30) Draw the equivalent circuit as seen from the high- voltage side. b. Draw the equivalent circuit as seen from the low- voltage side. c. Find the per-unit value of the transformer's leakage impedance. d. Determine the primary voltage when the transformer delivers rated current to a load at 240 volts and 0.80 power factor lagging.
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