Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 11, Problem 24E
(a)
To determine
Find the value of load impedance to draw the maximum average power from the source.
(b)
To determine
Find the maximum average power supplied to the load.
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A 6600 V, 3 phase star connected alternator has a synchronous impedance of (0.4 +j6) per
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Answer 11.30
Chapter 11 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
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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- Calculate the power factor of the entire circuit of Fig. 11.19 as seen by Practice Problem 11.10 the source. What is the average power supplied by the source? 10 2 82 Ar 165/0° V rms j42 Figure 11.19 For Practice Prob. 11.10.arrow_forward11.17 Calculate the value of Z, in the circuit of Fig. 11.48 in order for Z₁ to receive maximum average power. What is the maximum average power received by ZL? -j10 Ω 40 Ω Figure 11.48 For Prob. 11.17. ZL ww 30 92 •j20 Ω 45/90° Aarrow_forwardIf the potential difference from the AC generator is v = (40)sin 900t V when t is in seconds. When a 20 mH ductile coil and a resistor 1092 ohm are connected in series and connected to the source of this alternating current generator .finds the maximum and effective value of the current.arrow_forward
- HW23 11.61 Given the circuit in Fig. 11.80, find I, and the overall complex power supplied. I. 1.2 kW 0.8 KVAR (cap) 200/90° V 2 kVA 4 kW 0.707 pf leading 0.9 pf laggingarrow_forward11.33 For the following voltage and current phasors, calculate the complex power, apparent power, real power, and reactive power. Specify whether the pf is leading or lagging. (a) V = 220/30° V mms, I = 0.5/60° A rms (b) V=250/-10° V rms, 1= 6.2/-25° Arms (c) V = 120/0° V rms, I = 2.4/-15° Arms (d) V = 160/45° V rms, I = 8.5/90° Armsarrow_forward11.19 The variable resistor R in the circuit of Fig. 11.50 is adjusted until it absorbs the maximum average power. Find R and the maximum average power absorbed. j1Ω 3 Figure 11.50 For Prob. 11.19. 392 www 4/0° A wwww -j2Q2 692 Rarrow_forward
- 1.1) Which of the following descriptions IS NOT correct for loads in power systems? A. The purely resistive load absorbs the real power from the power grid B. The purely inductive load absorbs the positive reactive power from the power grid C. The purely capacitive load absorbs the positive reactive power from the power grid. D. The average value of the instantaneous power through loads is equal to its real power. 1.2) In an ac circuit, power factor correction or improvement is achieved by A. Connecting a resistor in parallel with the inductive load B. Connecting an inductor in parallel with the inductive load C. Connecting a capacitor in parallel with the inductive load 1.3)A balanced delta-load can be converted to an equivalent balanced wve- load by dividing the delta-load impedance by A. square root of 3 В.3 C. 1/3arrow_forwardPRACTICE PROBLEM 11.3 8/45° V 392 www jlQ In the circuit of Fig. 11.4, calculate the average power absorbed by the resistor and inductor. Find the average power supplied by the voltage source. Answer: 9.6 W, 0 W, 9.6 W.arrow_forwardA 3-phase alternator can supply a maximum load of 5000 kVA at 6600 V. The machine has internal reactance of 6%. Find the reactance per phase of the limiting reactor if the steady apparent power (KVA) on short-circuit is not be exceed 5 times the full-load value.arrow_forward
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