DELMAR'S STANDARD TEXT OF ELECTRICITY
6th Edition
ISBN: 9780357323380
Author: Herman
Publisher: CENGAGE C
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Chapter 22, Problem 1PP
Refer to the formulas in the Resistive-Capacitive Series Circuits Formula section of Appendix B and to Figure 22-1.
Assume that the circuit shown in Figure 22–1 is connected to a 480-V, 61-Hz line. The capacitor has a capacitance of 165.782 µF, and the resistor has a resistance of 12 Ω. Find the missing values.
| ET 480 V ________ | ER _____________ | EC ________________ |
| ET 480 V ________ | ER _____________ | EC ________________ |
| Z ________________ | R 12 Ω _________ | XC _________________ |
| VA _______________ | P _____________ | VARsC ______________ |
| PF _______________ | ∠θ ______________ | C 16.782 µF __________ |
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Q1 .Determine the model of the following system using Mason's rule
A three-phase delta-connected load, each phase of which
has an inductive reactance of 40 Ω and a resistance
of 25 Ω, is fed from the secondary of a three-phase
star-connected transformer which has a phase voltage
of 230 V. Draw the circuit diagram of the system and
calculate: (a) the current in each phase of the load; (b)
the p.d. across each phase of the load; (c) the current
in the transformer secondary windings; (d) the total
active power taken from the supply and its power factor.
ANS= 8.8 A, 416 V, 15.25 A, 5810 W
Chapter 22 Solutions
DELMAR'S STANDARD TEXT OF ELECTRICITY
Ch. 22 - In a pure capacitive circuit, does the current...Ch. 22 - A series circuit contains a 20- resistor and a...Ch. 22 - An RC series circuit has a power factor of 76%....Ch. 22 - An RC series circuit has a total impedance of 84 ....Ch. 22 - A capacitor has a capacitive reactance of 50 when...Ch. 22 - A 15-F AC capacitor is connected in series with a...Ch. 22 - An RC series circuit is connected to a 120-V,...Ch. 22 - An RC series circuit is connected to a 240-V,...Ch. 22 - Refer to the formulas in the Resistive-Capacitive...Ch. 22 - Assume that the voltage drop across the resistor,...
Ch. 22 - Assume the circuit shown in Figure 221 has an...Ch. 22 - Assume the circuit in Figure 22-1 has a power...Ch. 22 - In a series RC circuit, ET=240 volts, R=60, and...Ch. 22 - In a series RC circuit, ET=120 volts, R=124, and...Ch. 22 - In a series RC circuit, ET=208 volts, IT=2.4...Ch. 22 - In a series RC circuit, ET=460 volts and =44. Find...Ch. 22 - In a series RC circuit, ET=240 volts at 60 Hz. An...Ch. 22 - In a series RC circuit, the apparent power is 4250...
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