Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 12, Problem 36E
(a)
To determine
The wattmeter reading and the state of leads for obtainable reading for the given condition.
(b)
To determine
The wattmeter reading and the state of leads for obtainable reading for the given condition.
(c)
To determine
The wattmeter reading and the state of leads for obtainable reading for the given condition.
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Via
(a)
Primaray:Vph= 220
secndary: Vph=74
VI=374 i=0.4
i=0.4
VI=125
at
Vla
INS
all VS
(b)
Vph= 220 i=1.1
Vph=128 i=0.8
VI=
220
VI=128
V5al
VI V5 a
Vph=220
Vph=380
VI= 220
VI=380
QUESTION 3
For the network shown in Figure below, determine:
(a) The total impedance, ZT
(b)
The total current, IT
(c)
All voltages for all impedances/loads.
(d) All currents for all impedances/loads.
(E = 170Vrms = 240Vp, f=1kHz)
Va
R1
708
JIc
Ves
EEE
L1
C1
240V
1kHz
1.70MH
18µF
0°
Figure Q3
In a laboratory there is a special equipment with a three-phase symmetrical load with three resistances each of R = 33 Ω. Phase voltage Uf =289 V and frequency f = 50 Hz.
a) Calculate main voltage
b) Calculate the power that develops in the machine at Y connection .
c) Calculate the current in each individual resistor in Y connection
d) The machine is switched to D coupling. Calculate the power that develops in the machine at D coupling
Chapter 12 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 12.1 - Let and . Find (a) Vad; (b) Vbc; (c) Vcd.Ch. 12.2 - Prob. 2PCh. 12.2 - Modify Fig. 12.9 by adding a 1.5 resistance to...Ch. 12.3 - A balanced three-phase three-wire system has a...Ch. 12.3 - A balanced three-phase three-wire system has a...Ch. 12.3 - Three balanced Y-connected loads are installed on...Ch. 12.4 - Each phase of a balanced three-phase -connected...Ch. 12.4 - Prob. 8PCh. 12.5 - Determine the wattmeter reading in Fig. 12.24,...Ch. 12.5 - Prob. 10P
Ch. 12 - Prob. 1ECh. 12 - Prob. 2ECh. 12 - Prob. 3ECh. 12 - Describe what is meant by a polyphase source,...Ch. 12 - Prob. 5ECh. 12 - Prob. 6ECh. 12 - Prob. 7ECh. 12 - Prob. 8ECh. 12 - Prob. 9ECh. 12 - Prob. 10ECh. 12 - The single-phase three-wire system of Fig. 12.31...Ch. 12 - Prob. 12ECh. 12 - Referring to the balanced load represented in Fig....Ch. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Consider a simple positive phase sequence,...Ch. 12 - Assume the system shown in Fig. 12.34 is balanced,...Ch. 12 - Repeat Exercise 17 with Rw = 10 , and verify your...Ch. 12 - Prob. 19ECh. 12 - Prob. 20ECh. 12 - Prob. 21ECh. 12 - Prob. 22ECh. 12 - A three-phase system is constructed from a...Ch. 12 - Prob. 24ECh. 12 - Each load in the circuit of Fig. 12.34 is composed...Ch. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - A three-phase load is to be powered by a...Ch. 12 - For the two situations described in Exercise 28,...Ch. 12 - Prob. 30ECh. 12 - Prob. 31ECh. 12 - Prob. 32ECh. 12 - Repeat Exercise 32 if Rw = 1 . Verify your...Ch. 12 - Prob. 34ECh. 12 - Prob. 35ECh. 12 - Prob. 36ECh. 12 - A wattmeter is connected into the circuit of Fig....Ch. 12 - Find the reading of the wattmeter connected in the...Ch. 12 - (a) Find both wattmeter readings in Fig. 12.39 if...Ch. 12 - Circuit values for Fig. 12.40 are , , , , . Find...Ch. 12 - Prob. 41ECh. 12 - Prob. 42ECh. 12 - (a) Is the load represented in Fig. 12.41...Ch. 12 - Prob. 44E
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