Introductory Circuit Analysis; Laboratory Manual For Introductory Circuit Analysis Format: Kit/package/shrinkwrap
13th Edition
ISBN: 9780134297446
Author: Boylestad, Robert L.
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 24, Problem 45P
To determine
(a)
Magnitude of phase voltage of load.
To determine
(b)
Magnitude of phase and line currents.
To determine
(c)
Magnitude of phase voltage at the source.
To determine
(d)
Magnitude of line to line voltage at the source.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
3. A balanced delta connected load of "17+j18 - per phase is connected at the end of a three-phase line. The line impedance is 7+j9 - per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 Vrms. Taking phase "a" voltage Va as reference, determine the following:
(a) Current in phase a.
(b) Total complex power supplied from the source.
(c) Magnitude of the line-to-line voltage at the load terminal.
A balanced Y-Y system with generator phase voltages Van = 15kV @ 0 degrees is connected through transmission lines to a load with phase impedance of 24+j18 Ω.
What is the current phasor through the B transmission line?
Suppose you are Mr. Y who is working as an assistant engineer of PGCB. You have
studied a wye-wye system during your investigation of a three-phase system. In
this system, a Y-connected balanced three-phase generator is connected to a Y-
connected balanced load with an impedance of 24 + j19 ohm per phase. The line
joining the generator and the load has an impedance of 0.6 + j0.7 ohm per phase.
Assuming a positive sequence for the source voltages and that Van = X
Chapter 24 Solutions
Introductory Circuit Analysis; Laboratory Manual For Introductory Circuit Analysis Format: Kit/package/shrinkwrap
Ch. 24 - A balanced V load having a 10 resistance in each...Ch. 24 - Repeat Problem 1 if each phase impedance is...Ch. 24 - Repeat Problem 1 if each phase impedance is...Ch. 24 - The phase sequence for the Y-Y system in Fig....Ch. 24 - Repeat Problem 4 if each phase impedance are...Ch. 24 - Repeat Problem 4 if each phase impedance is...Ch. 24 - For the system in Fig. 24.43, find the magnitude...Ch. 24 - Computer the magnitude of the voltage EAB for the...Ch. 24 - For the Y-Y system in Fig. 24.45: a. Find the...Ch. 24 - For the Y-Y system of Fig. 24.46 the impedance of...
Ch. 24 - A balanced load having a 20 resistance in each...Ch. 24 - Repeat Problem 11 if each phase impedance is...Ch. 24 - Repeat Problem 11 if each phase impedance is...Ch. 24 - The phase sequence for the Y- system in Fig....Ch. 24 - Repeat Problem 14 if each phase impedance is...Ch. 24 - Repeat Problem 14 if each phase impedance are...Ch. 24 - Prob. 17PCh. 24 - For the connected load in Fig. 24.49: a. Find the...Ch. 24 - A balanced V load having a 30 resistance in each...Ch. 24 - Repeat Problem 19 if each phase impedance is...Ch. 24 - Prob. 21PCh. 24 - Prob. 22PCh. 24 - Prob. 23PCh. 24 - Repeat Problem 22 if each phase impedance is...Ch. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - The phase sequence for the - system in Fig....Ch. 24 - Repeat Problem 28 if each phase impedance is...Ch. 24 - Repeat Problem 28 if each phase impedance is...Ch. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - Prob. 35PCh. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - A balanced, three-phase, -connected load has a...Ch. 24 - A balanced, three-phase, Y-connected load has a...Ch. 24 - Find the total watts, volt-amperes reactive,...Ch. 24 - The Y-Y system in Fig. 24.53 has a balanced load...Ch. 24 - Prob. 45PCh. 24 - Prob. 46PCh. 24 - Repeat Problem 46 for the network in Fig. 24.47.Ch. 24 - For the three-wire system in Fig. 24.55, properly...Ch. 24 - Sketch three different ways that two wattmeters...Ch. 24 - For the Y- system in Fig. 24.56: Determine the...Ch. 24 - For the system in Fig. 24.57: Calculate the...Ch. 24 - For the three-phase, three-wire system in Fig....
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
- Two three-phase generators supply a three-phase load through separate three-phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4+j1.6) per phase between generator G1 and the load, and (0.8+j1) per phase between generator G2 and the load. If generator G1 supplies 15 kW at 0.8 poir factor lagging, with a terminal voltage of 460 V line-to-line, determine (a) the voltage at the load terminals. (b) the voltage at the terminals of generator G2, and (c) the real and reactive power supplied by generator G2. Assume balanced operation.arrow_forwardQ6: i) Which of the following is true for a transmission line under load? Power factor at both the sending and receiving end will be equal Reactive Power at both the sending and receiving end will be equal. Active Power at the sending end will be greater than the active power at the receiving end. Line current in the sending end will be equal to the line current at the receiving end ii) A transmission line has 80% efficiency when delivering 500 KW power to a 3-phase load at the receiving end. This implies that ______. Voltage regulation of the line is 20% Active power at the receiving side 375 kw/phase Active power at the sending end is 500 kw/phase Total power loss in the transmission line is 125 kW iii) Which of the following is true for transmission line under no-load? Power factor at the sending end will be unity Active Power at the…arrow_forward1. a) Find the reading of each wattmeter in the circuit shown if ZA=20 30° Ω, ZB=60 0° Ω, and ZC=40 −30° Ω. 2. b) Show that the sum of the wattmeter readings equals the total average power delivered to the unbalanced three-phase load.arrow_forward
- A three-phase generator in Y is connected to a balanced three-phase load in Δ of Z= 2.24∠26.57° Ω. If Van = 120∠30° and Vbn = 120∠150°, determine the line voltages and currents.arrow_forwardShow the graph Three unbalanced DELTA connected loads are connected across a balanced source of 220 volts line to line. If Zab = 11 ∠30 Ω, Zbc = 22 ∠-30 Ω, and Zca = 22 Ω, calculate: a. Phase currents b. Line currentsarrow_forwardProblem 2A three-phase generator in Y is connected to a balanced three-phase load in Δ of Z = 2.24∠26.57 ° Ω. If Van = 120∠30 ° and Vbn = 120∠150 °, determine the line voltages and currents.arrow_forward
- A three-phase transmission line has resistance and inductive reactance of 25V and 90V, respectively. With no load at the receiving end, a synchronous compensator there takes a current lagging by 90; the voltage is 145 kV at the sending end and 132 kV at the receiving end. Calculate the value of the current taken by the compensator. When the load at the receiving end is 50MW, it is found that the line can operate with unchanged voltages at the sending and receiving ends, provided that the compensator takes the same current as before, but now leading by 90. Calculate the reactive power of the loadarrow_forward30. A 30-Y-connected load is connected between three line terminals, R, Y, B, the impedances (in ohms) of the load being: (I + 2) between R and the star point. (2+3) between Y and the star point and (3+j4) between B and the star point. The phase sequence is RYB. If the line voltage is 400 V, calculate the voltage between R and the star point. [181 V]arrow_forwardFor balanced Y - ∆ connected three-phase system, at 60 Hz during generator positive phaseIt provides 230 V nominal rms line voltage. Balanced load from three identical impedances ZAB = ZBC = ZCA=It consists of 20∠45 °. All generator and line impedances can be neglected. Power supplied to the load, all phase anddetermine load voltages and line currents? (Note = take = 230∠30 ° V)arrow_forward
- A balanced delta connected generator supplies a line voltage of 180v rms to a balanced load connected in w and e, with a sequence abc and having an angle of 0 ° for the voltage Vab. considering that the load per phase is 45 + 20j Ω, calculate all the line currents and the real power (w) supplied by this generator to the loadarrow_forwardTwo balanced three-phase loads that are connected in parallel are fed by a three-phase line having a series impedance of (0.4j2.7) per phase. One of the loads absorbs 560 kVA at 0.707 power factor lagging, and the other 132 kW at unity power factor. The line-to-line voltage at the load end of the line is 2203V. Compute (a) the line-to-line voltage at the source end of the line. (b) the total real and reactive power losses in the three-phase line, and (c) the total three-phase real and reactive power supplied at the sending end of the line. Check that the total three-phase complex power delivered by the source equals the total three-phase comp lex power absorbed by the line and loads.arrow_forwardA wye-connected unbalanced load, Za = 10 angle 36.9 , Zb = 10 angle -36.9 , and Zc = 10 angle 0 are connected across a balanced 130-V, 3-phase system. Determine the reading of two wattmeters with line c as common.arrow_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
What is the Difference Between Single Phase and Three Phase???; Author: Electrician U;https://www.youtube.com/watch?v=FEydcr4wJw0;License: Standard Youtube License