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A 400 V, 3-phase, 4 wire system is has balanced loads and is fed from a 11kV/400 V, 3-phase transformer as shown in fig.3.The impedance of section oa and ab is consider as 0.05 + j0.04 and 0.1 + j0.05 Q respectively. Determine the following: a. the total voltage drop of the system; b. Total active power per phase; c. Total reactive power per phase; d. the total (3-phase) kVA output of transformer and its load power factor 11kV 400V 60 A 50 A 0.9 lag 0.8 lag Fig.3 (a) 32.45 V (b) 31.714 kW (c) 42.973 KVAR (d) 95.88 kVA, 0.95 lagging (a) 12.45 V (b) 21.714 kW (c) 12.973 KVAR (d) 75.88 kVA, 0.86 lagging (a) 22.45 V (b) 31.714 kW (c) 22.973 KVAR (d) 85.88 kVA, 0.96 lagging None of these

A 400 V, 3-phase, 4 wire system is has balanced loads and is fed from a 11kV/400 V, 3-phase transformer as shown in fig.3.The impedance of section oa and ab is consider as 0.05 + j0.04 and 0.1 + j0.05 Q respectively. Determine the following: a. the total voltage drop of the system; b. Total active power per phase; c. Total reactive power per phase; d. the total (3-phase) kVA output of transformer and its load power factor 11kV 400V 60 A 50 A 0.9 lag 0.8 lag Fig.3 (a) 32.45 V (b) 31.714 kW (c) 42.973 KVAR (d) 95.88 kVA, 0.95 lagging (a) 12.45 V (b) 21.714 kW (c) 12.973 KVAR (d) 75.88 kVA, 0.86 lagging (a) 22.45 V (b) 31.714 kW (c) 22.973 KVAR (d) 85.88 kVA, 0.96 lagging None of these

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A 400 V, 3-phase, 4 wire system is has balanced loads and is fed from a 11kV/400 V, 3-phase transformer as shown in fig.3.The impedance of section oa and ab is consider as 0.05 + j0.04 S and 0.1 + j0.05 respectively. Determine the following: a. the total voltage drop of the system; b. Total active power per phase; c. Total reactive power per phase; d. the total (3-phase) kVA output of transformer and its load power factor 11kV 400V 60 A 50 A 0.9 lag 0.8 lag Fig.3 (a) 32.45 V (b) 31.714 kW (c) 42.973 KVAR (d) 95.88 kVA, 0.95 lagging (a) 12.45 V (b) 21.714 kW (c) 12.973 KVAR (d) 75.88 kVA, 0.86 lagging O (a) 22.45 V (b) 31.714 kW (c) 22.973 KVAR (d) 85.88 kVA, 0.96 lagging None of these
Transcribed Image Text:A 400 V, 3-phase, 4 wire system is has balanced loads and is fed from a 11kV/400 V, 3-phase transformer as shown in fig.3.The impedance of section oa and ab is consider as 0.05 + j0.04 S and 0.1 + j0.05 respectively. Determine the following: a. the total voltage drop of the system; b. Total active power per phase; c. Total reactive power per phase; d. the total (3-phase) kVA output of transformer and its load power factor 11kV 400V 60 A 50 A 0.9 lag 0.8 lag Fig.3 (a) 32.45 V (b) 31.714 kW (c) 42.973 KVAR (d) 95.88 kVA, 0.95 lagging (a) 12.45 V (b) 21.714 kW (c) 12.973 KVAR (d) 75.88 kVA, 0.86 lagging O (a) 22.45 V (b) 31.714 kW (c) 22.973 KVAR (d) 85.88 kVA, 0.96 lagging None of these
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