Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 19P
For the parallel R-L-C network in Fig. 16.79.
a. Plot
b. Repeat part (a) for
c. Plot Vc versus frequency for the frequency range of part (a).
d. Plot IL versus frequency for the frequency range of part (a).
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Students have asked these similar questions
Three similar coils, connected in star, take a total
power of 1.5 kW, at a power factor of 0.2, from a
three-phase, 400 V, 50 Hz supply. Calculate: (a) the
resistance and inductance of each coil; (b) the line
currents if one of the coils is short-circuited.
(a) Three 20 µF capacitors are star-connected across
a 400 V, 50 Hz, three-phase, three-wire supply.
Calculate the current in each line. (b) If one of the
capacitors is short-circuited, calculate the line cur
rents. (c) If one of the capacitors is open-circuited,
calculate: the line currents and the p.d. across each
of the other two capacitors.
ANS:
1.525 A; 2.64 A, 2.64 A, 4.57 A; 1.32 A, 1.32 A, 0;
210 V
Explain the advantages of three-phase supply for
distribution purposes.
(b) Assuming the relationship between the line and
phase values of currents and voltages, show that
the active power input to a three-phase balanced
load is √3VI cos φ, where V and I are line quantities.
(c) Three similar inductors, each of resistance 10 Ω
and inductance 0.019 H, are delta-connected to a
three-phase, 400 V, 50 Hz sinusoidal supply. Calcu
late: the value of the line current; the power
factor and the active power input to the circuit.
ANS:
59.5 A, 0.858 lag, 35.5 kW
Chapter 16 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 16 - Find the total impedance of the parallel networks...Ch. 16 - Find the total impedance of the parallel...Ch. 16 - Prob. 3PCh. 16 - For each configuration of Fig. 16.66: a. Find the...Ch. 16 - For each configuration of Fig. 16.67 a. Find the...Ch. 16 - For each network of Fig. 16.68: a. find the total...Ch. 16 - For the circuit of Fig. 16.69: a. Find the total...Ch. 16 - Given the voltage and current shown in Fig. 16.70,...Ch. 16 - For the network in Fig. 16.71: a. Find the total...Ch. 16 - Repeat Problem 9 for the network in Fig. 16.72,...
Ch. 16 - For the network of Fig. 16.73: a. Find the total...Ch. 16 - For the network in Fig. 16.74: a. Find the total...Ch. 16 - Repeat Problem 12 for the circuit in Fig. 16.75...Ch. 16 - Calculate the currents I1 and I2 in Fig. 16.76 in...Ch. 16 - For the parallel R-C network in Fig. 16.77: a....Ch. 16 - For the parallel R-L network in Fig. 16.78: a....Ch. 16 - Plot YTandT(ofYT=YTT) for a frequency range of...Ch. 16 - Plot YTandT(ofYT=YTT) for a frequency range of...Ch. 16 - For the parallel R-L-C network in Fig. 16.79. a....Ch. 16 - For the series circuits in Fig. 16.80, find a...Ch. 16 - For the parallel circuits in Fig. 16.81, find a...Ch. 16 - For the network in Fig. 16.82: a. Calculate E, IR,...Ch. 16 - Find the element or elements that must be in the...Ch. 16 - For the network in Fig. 16.13 (usef=1kHz): a....Ch. 16 - For the network in Fig. 16.32: a. Plot the...
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