ENGINEERING CIRCUIT...(LL)>CUSTOM PKG.<
9th Edition
ISBN: 9781260540666
Author: Hayt
Publisher: MCG CUSTOM
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Chapter 11, Problem 36E
FIGURE 11.43
Calculate the power factor of the combined loads of the circuit depicted in Fig. 11.43 if (a) both loads are purely resistive; (b) both loads are purely inductive and ω = 100 rad/s; (c) both loads are purely capacitive and ω = 200 rad/s; (d) Z1 = 2Z2 = 5 − j8 Ω.
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Understand ac power concepts, their relationships to one another, and how to calculate them in a circuitA load consisting of a 1.35 kΩ resistor in parallel with a 405 mH inductor is connected across the terminals of a sinusoidal voltage source vg, where vg = 90 cos 2500t V. Find
1. a) the average power delivered to the load,2. b) the reactive power for the load,3. c) the apparent power for the load, and4. d) the power factor of the load.
For the circuit shown in Fig Q2, determine:
(a) The total impedance seen by the source.
(b) The total supply current (1)
(c) The voltage across the capacitors (Ve)
(d) The active power, reactive power and
power factor of the source.
R₁5602
E = 100V 200
560
+
fr
= 400
R₂200
+
Ve
Fig. Q2
Xc₁ = 400
Circuit Diagram
Computed Values
Compute the expected power factor of the circuit given the different capacitance.
R1
V1
5002
220V
(1
60Hz
0°
100μl
It (RMS)
Capacitance Real Power
(₂F)
(Watts)
mag (A)
70
60
50
2
11
100mH
Reactive
Power
(Vars)
Power
Factor
HH
Chapter 11 Solutions
ENGINEERING CIRCUIT...(LL)>CUSTOM PKG.<
Ch. 11.1 - A current source of 12 cos 2000t A, a 200 ....Ch. 11.2 - Given the phasor voltage across an impedance ,...Ch. 11.2 - Prob. 3PCh. 11.2 - Prob. 4PCh. 11.2 - A voltage source vs is connected across a 4...Ch. 11.3 - If the 30 mH inductor of Example 11.7 is replaced...Ch. 11.4 - Calculate the effective value of each of the...Ch. 11.5 - For the circuit of Fig. 11.16, determine the power...Ch. 11.6 - Prob. 10PCh. 11 - Prob. 1E
Ch. 11 - Determine the power absorbed at t = 1.5 ms by each...Ch. 11 - Calculate the power absorbed at t = 0, t = 0+, and...Ch. 11 - Three elements are connected in parallel: a 1 k...Ch. 11 - Let is = 4u(t) A in the circuit of Fig. 11.28. (a)...Ch. 11 - Prob. 6ECh. 11 - Assuming no transients are present, calculate the...Ch. 11 - Prob. 8ECh. 11 - Prob. 9ECh. 11 - Prob. 10ECh. 11 - The phasor current I=915mA (corresponding to a...Ch. 11 - A phasor voltage V=10045V (the sinusoid operates...Ch. 11 - Prob. 13ECh. 11 - Prob. 14ECh. 11 - Find the average power for each element in the...Ch. 11 - (a) Calculate the average power absorbed by each...Ch. 11 - Prob. 17ECh. 11 - Prob. 18ECh. 11 - Prob. 19ECh. 11 - The circuit in Fig. 11.36 has a series resistance...Ch. 11 - Prob. 21ECh. 11 - Prob. 22ECh. 11 - Prob. 23ECh. 11 - Prob. 24ECh. 11 - Prob. 25ECh. 11 - Prob. 26ECh. 11 - Prob. 27ECh. 11 - Prob. 28ECh. 11 - Prob. 29ECh. 11 - Prob. 30ECh. 11 - Prob. 31ECh. 11 - Prob. 32ECh. 11 - Prob. 33ECh. 11 - (a) Calculate both the average and rms values of...Ch. 11 - Prob. 35ECh. 11 - FIGURE 11.43 Calculate the power factor of the...Ch. 11 - Prob. 37ECh. 11 - Prob. 38ECh. 11 - Prob. 40ECh. 11 - Prob. 41ECh. 11 - Prob. 42ECh. 11 - Prob. 43ECh. 11 - Compute the complex power S (in polar form) drawn...Ch. 11 - Calculate the apparent power, power factor, and...Ch. 11 - Prob. 46ECh. 11 - Prob. 48ECh. 11 - Prob. 49ECh. 11 - Prob. 50ECh. 11 - Prob. 51ECh. 11 - Prob. 52ECh. 11 - FIGURE 11.49 Instead of including a capacitor as...Ch. 11 - Prob. 54ECh. 11 - A load is drawing 10 A rms when connected to a...Ch. 11 - For the circuit of Fig. 11.50, assume the source...Ch. 11 - Prob. 57ECh. 11 - A source 45 sin 32t V is connected in series with...Ch. 11 - Prob. 60ECh. 11 - FIGURE 11.51 The circuit in Fig. 11.51 uses a Pi...Ch. 11 - Prob. 62ECh. 11 - Prob. 63ECh. 11 - You would like to maximize power transfer to a 50 ...
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- Circuit Diagram Computed Values Compute the expected power factor of the circuit given the different capacitance. R1 V1 500 220Vrms C1 60Hz oº 100μl L (RMS) Capacitance Real Power (UE) (Watts) mag (A) 40 ~ 30 20 2 11 100mH Reactive Power (Vars) Power Factorarrow_forwardMatch with column A by choosing correct answer from column B for the below case. An alternating voltage AV = 100 sin 30 t is applied across a LR series circuit which has R = 10 2 and X,= 24 2 Angular frequency of alternating Voltage (w) Choose.. Choose.. The impedance of the circuit is 34 Q rms current in the Circuit, I rms 30 rad/sec The power factor of the Circuit 0.385 260. 0.417 Question 8 Not yet answered P Flag question Marked 5.44 Aarrow_forwardNonearrow_forward
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