Electrical Circuits and Modified MasteringEngineering - With Access
10th Edition
ISBN: 9780133992793
Author: NILSSON
Publisher: PEARSON
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Chapter 15, Problem 39P
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A single phase a.c. distributor AB has:
The distance from A to B is 500 m. The distance from A to C is 800 m.
The impedance of each section is (6+j 8) /km.
A
B
C
The voltage at the far end is maintained at 250 volt.
Find: sending voltage, sending current, supply power factor and
80 A
60 A
total voltage drop.
0.8 lag. P.f
0.6 lead. p.f
A 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a load consisting of 8 A at p.f. 0-7
lagging for R-phase, 10 A at p.f. 0-8 leading for Y phase and 12 A at unity p.f. for B phase. The resistance
of each line conductor is 0.4 2. The reactance of neutral is 0.2 2. Calculate the neutral current, the supply
voltage for R phase and draw the phasor diagram. The phase sequence is RYB.
The three line leads of a 400/230 V, 3-phase, 4-wire supply are designated as R, Y and B respectively.
The fourth wire or neutral wire is designated as N. The phase sequence is RYB. Compute the currents
in the four wire when the following loads are connected to this supply:
From R to N: 25 kW, unity power factor.
From Y to N: 20 kVA, 0-7 lag.
From B to N: 30 kVA, 0-6 lead.
Chapter 15 Solutions
Electrical Circuits and Modified MasteringEngineering - With Access
Ch. 15.1 - Compute the values for R2 and C that yield a...Ch. 15.1 - Prob. 2APCh. 15.2 - Prob. 3APCh. 15.4 - Prob. 4APCh. 15.5 - Prob. 5APCh. 15.5 - Prob. 6APCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - Prob. 3PCh. 15 - Prob. 4P
Ch. 15 - Prob. 5PCh. 15 - Use the result of Problem 15.5 to find the...Ch. 15 - Repeat Problem 15.6, using the circuit shown in...Ch. 15 - Prob. 8PCh. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - Prob. 13PCh. 15 - Prob. 14PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - Scale the inductor and capacitor in Fig. P9.66 so...Ch. 15 - Prob. 24PCh. 15 - Prob. 25PCh. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Prob. 30PCh. 15 - Design a parallel band reject filter with a center...Ch. 15 - Show that the circuit in Fig. P15.32 behaves as a...Ch. 15 - For circuits of resistors, capacitors, Inductors,...Ch. 15 - Prob. 34PCh. 15 - Prob. 35PCh. 15 - Prob. 36PCh. 15 - Prob. 37PCh. 15 - Prob. 38PCh. 15 - Prob. 39PCh. 15 - Prob. 40PCh. 15 - Prob. 41PCh. 15 -
Using 250 nF capacitors and ideal op amps, design...Ch. 15 - Prob. 46PCh. 15 - Prob. 47PCh. 15 - Prob. 48PCh. 15 - Use 20 nF capacitors in the circuit in Fig. 15.27...Ch. 15 - The purpose of this problem is to guide you...Ch. 15 - Assume the circuit analyzed in Problem 15.48 is...Ch. 15 - The purpose of this problem is to develop the...Ch. 15 - Prob. 56PCh. 15 - Prob. 57PCh. 15 - Prob. 58PCh. 15 - Prob. 59PCh. 15 - Prob. 60PCh. 15 - Prob. 61PCh. 15 - Prob. 62PCh. 15 - Plot the maximum gain in decibels versus α when ω...Ch. 15 - Prob. 64P
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