Electric Circuits Plus Mastering Engineering with Pearson eText 2.0 - Access Card Package (11th Edition) (What's New in Engineering)
11th Edition
ISBN: 9780134814117
Author: NILSSON, James W., Riedel, Susan
Publisher: PEARSON
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Chapter 8, Problem 45P
To determine
Find the expression of
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QUESTION 5 ✓
A 100 kVA, 7200 -480 V 50 Hz single phase transformer has the following parameters all given
in ohms:
RLS = 0.00800 RHS = 1.96 RfеHS = 53.2
XLS = 0.01510 XHS=4.55 XMHS=7800
This transformer is operated in step-down mode and delivers 75% of its rated power to a load that
has a power factor of 0.93 lagging.
a) Draw the equivalent circuit model of the transformer with the equivalent series Z's referred to
the high voltage side (3 Marks)
b) Find the total Zin of the transformer at the high side (3 Marks)
c) Find input Z of the transformer with the load disconnected (3 Marks)
d) Find input voltage at 75% of the load required to maintain the rated load voltage (3 Marks)
e) Find an exciting current with the load disconnected (3 Marks).
60 Marks
2- Sketch the circuits in the Block 1, Block 2
and Black 3, Then show the type of every
circuit
Iov
Vout
Block!
Vouts
20
t
Vout 2
t
lovT
Block 2
-lov
P-50HZ
25
*Vout 3
Block 3-2
2.2V 22V
Chapter 8 Solutions
Electric Circuits Plus Mastering Engineering with Pearson eText 2.0 - Access Card Package (11th Edition) (What's New in Engineering)
Ch. 8.1 - The resistance and inductance of the circuit in...Ch. 8.2 - Use the integral relationship between iL and v to...Ch. 8.2 - Prob. 3APCh. 8.2 - Prob. 4APCh. 8.2 - Prob. 5APCh. 8.3 - Prob. 6APCh. 8.4 - Prob. 7APCh. 8.4 - Prob. 8APCh. 8.4 - Repeat Assessment Problems 8.7 and 8.8 if the 80 Ω...Ch. 8 - The resistance, inductance, and capacitance in a...
Ch. 8 - Prob. 2PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - The natural response for the circuit shown in Fig....Ch. 8 - The natural voltage response of the circuit in...Ch. 8 - The voltage response for the circuit in Fig. 8.1...Ch. 8 - Prob. 10PCh. 8 - Design a parallel RLC circuit (see Fig. 8.1) using...Ch. 8 - Prob. 12PCh. 8 - The initial value of the voltage υ in the circuit...Ch. 8 - Prob. 14PCh. 8 - The resistor in the circuit of Fig. P8.14 is...Ch. 8 - Prob. 16PCh. 8 - The switch in the circuit of Fig. P8.17 has been...Ch. 8 - The inductor in the circuit of Fig. P8.17 is...Ch. 8 - The inductor in the circuit of Fig. P8.17 is...Ch. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - The switch in the circuit in Fig. P8.27 has been...Ch. 8 - For the circuit in Fig. P8.27, find υo for t ≥...Ch. 8 - The switch in the circuit in Fig. P8.29 has been...Ch. 8 - There is no energy stored in the circuit in Fig....Ch. 8 - For the circuit in Fig. P8.30, find υo for t ≥...Ch. 8 - Prob. 32PCh. 8 - Prob. 33PCh. 8 - Prob. 34PCh. 8 - Switches 1 and 2 in the circuit in Fig. P8.35 are...Ch. 8 - The switch in the circuit in Fig. P8.36 has been...Ch. 8 - Prob. 37PCh. 8 - Prob. 38PCh. 8 - In the circuit in Fig. P8.39, the resistor is...Ch. 8 - The initial energy stored in the 50 nF capacitor...Ch. 8 - Prob. 41PCh. 8 - Find the voltage across the 80 nF capacitor for...Ch. 8 - Design a series RLC circuit (see Fig. 8.3) using...Ch. 8 - Change the resistance for the circuit you designed...Ch. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - The switch in the circuit shown in Fig. P8.48 has...Ch. 8 - Prob. 49PCh. 8 - The initial energy stored in the circuit in Fig....Ch. 8 - The resistor in the circuit shown in Fig. P8.50 is...Ch. 8 - The resistor in the circuit shown in Fig. P8.50 is...Ch. 8 - The two switches in the circuit seen in Fig. P8.53...Ch. 8 - Prob. 54PCh. 8 - Prob. 55PCh. 8 - The circuit parameters in the circuit of Fig....Ch. 8 - Prob. 57PCh. 8 - Prob. 58PCh. 8 - Prob. 59PCh. 8 - Prob. 60PCh. 8 - Prob. 61PCh. 8 - Derive the differential equation that relates the...Ch. 8 - The voltage signal of Fig. P8.63(a) is applied to...Ch. 8 - The circuit in Fig. P8.63 (b) is modified by...Ch. 8 - Prob. 65PCh. 8 - Prob. 66PCh. 8 - Prob. 67PCh. 8 - Prob. 68P
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