MindTap Engineering, 1 term (6 months) Printed Access Card for Glover/Overbye/Sarma's Power System Analysis and Design, 6th
6th Edition
ISBN: 9781305636323
Author: Glover, J. Duncan, Overbye, Thomas, Sarma, Mulukutla S.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 2.31P
Consider two interconnected voltage sources connected by a line of impedance
(a) Obtain expressions for
(b) Determine the maximum power transfer and the condition for it to
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Impedances Z2 and Z3 in parallel are in series with impedance Z1 across a 100 V, 50 Hz ac supply. Z1 =6.25 + j1.25 ohm; Z2 = 5+ j0 ohm and Z3 = 5-jXc ohm. Determine the value of capacitance of Xc such that the total curent of the circuit will be in phase with the total voltage. When is then the circuit current and power.
Please answer correct with reason
c) A heater with resistance 10 N is driven by an AC voltage source (120 V). For the circuit shown
below, determine the following:
0.50
j5n
Vs
120 V/50 Hz
j1n
Figure Ql
i. The total circuit impedance, Zr, in polar form.
11. The supply current, I..
iiI. The phasor diagram indicating the supply voltage, V, and the supply current,
17
iv. Apparent Power, Real Power, Reactive Power and Power Factor.
V. The heater output power.
100
Chapter 2 Solutions
MindTap Engineering, 1 term (6 months) Printed Access Card for Glover/Overbye/Sarma's Power System Analysis and Design, 6th
Ch. 2 - The rms value of v(t)=Vmaxcos(t+) is given by a....Ch. 2 - If the rms phasor of a voltage is given by V=12060...Ch. 2 - If a phasor representation of a current is given...Ch. 2 - Prob. 2.4MCQCh. 2 - Prob. 2.5MCQCh. 2 - Prob. 2.6MCQCh. 2 - Prob. 2.7MCQCh. 2 - Prob. 2.8MCQCh. 2 - Prob. 2.9MCQCh. 2 - The average value of a double-frequency sinusoid,...
Ch. 2 - The power factor for an inductive circuit (R-L...Ch. 2 - The power factor for a capacitive circuit (R-C...Ch. 2 - Prob. 2.13MCQCh. 2 - The instantaneous power absorbed by the load in a...Ch. 2 - Prob. 2.15MCQCh. 2 - With generator conyention, where the current...Ch. 2 - Consider the load convention that is used for the...Ch. 2 - Prob. 2.18MCQCh. 2 - The admittance of the impedance j12 is given by...Ch. 2 - Consider Figure 2.9 of the text, Let the nodal...Ch. 2 - The three-phase source line-to-neutral voltages...Ch. 2 - In a balanced three-phase Y-connected system with...Ch. 2 - In a balanced system, the phasor sum of the...Ch. 2 - Consider a three-phase Y-connected source feeding...Ch. 2 - For a balanced- load supplied by a balanced...Ch. 2 - A balanced -load can be converted to an...Ch. 2 - When working with balanced three-phase circuits,...Ch. 2 - The total instantaneous power delivered by a...Ch. 2 - The total instantaneous power absorbed by a...Ch. 2 - Under balanced operating conditions, consider the...Ch. 2 - One advantage of balanced three-phase systems over...Ch. 2 - While the instantaneous electric power delivered...Ch. 2 - Given the complex numbers A1=630 and A2=4+j5, (a)...Ch. 2 - Convert the following instantaneous currents to...Ch. 2 - The instantaneous voltage across a circuit element...Ch. 2 - For the single-phase circuit shown in Figure...Ch. 2 - A 60Hz, single-phase source with V=27730 volts is...Ch. 2 - (a) Transform v(t)=75cos(377t15) to phasor form....Ch. 2 - Let a 100V sinusoidal source be connected to a...Ch. 2 - Consider the circuit shown in Figure 2.23 in time...Ch. 2 - For the circuit shown in Figure 2.24, compute the...Ch. 2 - For the circuit element of Problem 2.3, calculate...Ch. 2 - Prob. 2.11PCh. 2 - The voltage v(t)=359.3cos(t)volts is applied to a...Ch. 2 - Prob. 2.13PCh. 2 - A single-phase source is applied to a...Ch. 2 - Let a voltage source v(t)=4cos(t+60) be connected...Ch. 2 - A single-phase, 120V(rms),60Hz source supplies...Ch. 2 - Consider a load impedance of Z=jwL connected to a...Ch. 2 - Let a series RLC network be connected to a source...Ch. 2 - Consider a single-phase load with an applied...Ch. 2 - A circuit consists of two impedances, Z1=2030 and...Ch. 2 - An industrial plant consisting primarily of...Ch. 2 - The real power delivered by a source to two...Ch. 2 - A single-phase source has a terminal voltage...Ch. 2 - A source supplies power to the following three...Ch. 2 - Consider the series RLC circuit of Problem 2.7 and...Ch. 2 - A small manufacturing plant is located 2 km down a...Ch. 2 - An industrial load consisting of a bank of...Ch. 2 - Three loads are connected in parallel across a...Ch. 2 - Prob. 2.29PCh. 2 - Figure 2.26 shows three loads connected in...Ch. 2 - Consider two interconnected voltage sources...Ch. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - A balanced three-phase 240-V source supplies a...Ch. 2 - Prob. 2.41PCh. 2 - A balanced -connected impedance load with (12+j9)...Ch. 2 - A three-phase line, which has an impedance of...Ch. 2 - Two balanced three-phase loads that are connected...Ch. 2 - Two balanced Y-connected loads, one drawing 10 kW...Ch. 2 - Three identical impedances Z=3030 are connected in...Ch. 2 - Two three-phase generators supply a three-phase...Ch. 2 - Prob. 2.48PCh. 2 - Figure 2.33 gives the general -Y transformation....Ch. 2 - Consider the balanced three-phase system shown in...Ch. 2 - A three-phase line with an impedance of...Ch. 2 - A balanced three-phase load is connected to a...Ch. 2 - What is a microgrid?Ch. 2 - What are the benefits of microgrids?Ch. 2 - Prob. CCSQCh. 2 - Prob. DCSQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 8. The circuit below is similar to Problem 7 and operates at a frequency of 10 kHz. Circuit element Z can be either a capacitor or inductor. Assuming the transformer is ideal, determine the inductance or capacitance of Z and the turns ratio N that optimizes the power delivered to the load, RL , then calculate the power in R1. 1:N k 10490° R= 200 2 -j4 2 =arrow_forwardDo iv and v?arrow_forwardasic power electrical engineering coursearrow_forward
- 1. -) A sinusoidal voltage source in placed in series with a DC voltage source and produces an output of: v(t) = 70.7cos (377t) + 20 volts [ 70.7 = 50√2] Calculate: a. v²(t) b. Vrms C. The magnitude of the RMS current if the combined source is placed across a load of Z=4+j3 ohms (if you have trouble with part b, just assume a voltage of 100 Vrms for part c)arrow_forwardQuestion is in the attachment.arrow_forwardProblem 5 Consider a three winding transformer with the following particulars: = Z₁ Z2 Z3 =0.02 + j0.08 £, V₂ = 400 V, 12 = 60/30° A, and I3 = 50/-40° A. Assume that V₂ is the reference phasor, calculate: The intermediate voltage Vo. a. b. The primary current I₁ and the primary voltage V₁. c. The tertiary voltage V3 referred to the primary side. d. The apparent powers and the power factors at the primary, secondary and tertiary terminals. e. The transformer efficiency.arrow_forward
- I need the answer at 20 minutearrow_forward= Q3. (a) Two circuits have impedances Z₁ 1000237⁰ and Z₂ = 500253⁰ N. Showing all calculations, determine the total impedance, and the current drawn from a 230 V, 50 Hz supply, in a ±jb form, when these impedances are connected: (i) in series across the voltage terminals. (ii) in parallel across the voltage terminals.arrow_forwardAC Circuits Current, Voltage, Power, Power Factor and Phasor Diagrams. Consider the circuit shown in Figure 3. (i) Find the total impedance ZT as seen by the voltage source. (ii) Find the total current IT supplied by the source. (iii) Sketch phasor diagram of Vs and IT and State whether IT leads or lags Vs (iv) Determine the power factor angle for the circuit. 9. L R1 1002 0.213H IT Vs R3 1502 C 12020°V 22µF 60HZ R2 50Ω Figure 3 Answers |(1) Zr = (ii) IT= (iii)arrow_forward
- A d.c. serier generator, having an external characteristic which is a straight line through zero to 50 V 200 A is connected as a booster between a station bus bar and a feeder of 0.3 ohm resistane. Calculate the voltage difference between the station bus-bar and the far end of the feeder qa current of (i) 200 A and (ii) 50 A.arrow_forwardThree loads are connected in parallel across a 1400-V rms, 60-Hz single-phase supply as shown in Figure 2.8. Load 1: Inductive load, 125 kVA at 0.28 power factor. Load 2: Capacitive load, 10 kW and 40 kvar. Load 3: Resistive load of 15 kW. 1400 V (a) Find the total kW, kvar, kVA, and the supply power factor. 1 12 (b) A capacitor of negligible resistance is connected in parallel with the above loads to improve the power factor to 0.8 lagging. Determine the kvar rating of this ca- pacitor and the capacitance in uF. 13 3arrow_forward1a)Analyze the circuit in Figure 1, consider R = 10 kQ and C = 10 nF. Obtain the mathematical equation for the equivalent impedance seen by the generator as a function of frequency. By voltage division obtain the mathematical relationship for the voltage across the capacitor and resistor as a function of VF and frequency. Perform all the circuit analysis (voltages, impedances, currents, waveforms). 1b) For the conditions in the previous item, deduce the value of the frequency that satisfies |XC| = R. Vf f=4 kHz R=1 kΩ C=10 nF Figure 1. Measurement circuit #1. Y X ORCarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning
Power System Analysis and Design (MindTap Course ...
Electrical Engineering
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:Cengage Learning
Maximum Power Transfer Theorem Using Nodal Analysis & Thevenin Equivalent Circuits; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=8CA6ZNXgI-Y;License: Standard Youtube License