
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question

Transcribed Image Text:Select the correct answer. In a Y-Y system, a phase voltage of 100 V produces a line voltage of:
100 V
а.
71 V
b.
58 V
с.
173 V
d.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps with 1 images

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
- Please I need step by step solution.arrow_forwardHere X= 165 this is my roll no plzz solve urgent with detail...arrow_forwarda) The phase currents in a delta - connected three-phase load are as follows: between the red and yellow lines, 60 A at p.f. 0.9 leading; between the yellow and blue lines, 40 A at 0.95 p.f lagging; between the blue and red lines, 50 A at p.f. 0.8 lagging. The supply voltage is 240 V. Draw a labeled diagram of the circuit and calculate the line currents. Note: Use VRY as the reference phasor. b) The two-wattmeter method is used to measure the total power drawn by the load in 1 (a) above. Wattmeter one has its current coil connected in the yellow line and its voltage coil connected between the yellow and red lines. Calculate: i. The power measured by each wattmeter. ii. The power factor of the load.arrow_forward
- A balanced Y-connected generator with terminal voltage Vbc 5 200/08 volts is connected to a balanced-D load whose impedance is 10/408 ohms per phase. The line impedance between the source and load is 0.5/808 ohm for each phase. The generator neutral is grounded through an impedance of j5 ohms. The generator sequence impedances are given by Zg0 5 j7, Zg1 5 j15, and Zg2 5 j10 ohms. Draw the sequence networks for this system and determine the sequence components of the line currents.arrow_forward11 Ia b 6-j8Q2 440-120° V 6-j8Q2 N Ic For the three-phase Y-load circuit shown above: (a) Find the line currents Ia, Ib and Ic ? (b) The total average power absorbed by the Y-load ? The line voltage Vcb? (c) 6-j8Q2arrow_forwardExp. (A) Determine the sequence components of the voltages Va = 180 L00 V an V=150L108°V and V = 200L245ºV. Exp. (B) In a three phase system, la₁ = 90 L30° A and Ib2 = 40L90°A and = Ico : 20L-40° A. Find the line currents.arrow_forward
- 1. A balanced three-phase Y-source with Vph "E" V rms drives a Y-connected three-phase load with phase impedance ZA = " F" Q, ZB = "G" N, and Zc= "H" N. Calculate the line currents and total complex power delivered to the load. Assume that the neutrals are connected. E=230 F= 90 G= 9+j5 H= j90arrow_forwardThe currents flowing in the lines toward a balanced load connected in A are Ia 10020° A, Ib 141.4225° A, and I. = 100290° A. Look for the following: a.Find the symmetrical components of the given line currents b.Draw the phasor diagram of the positive sequence currents of the line currents c. Draw the phasor diagram of the negative sequence currents of the line currents d.What is Iab?'arrow_forwardA three-phase A-connected generator has an inter- nal impedance of 0.6 + j4.8 N/4. When the load is removed from the generator, the magnitude of the terminal voltage is 34,500 V. The generator feeds a A-connected load through a transmission line with an impedance of 0.8 + j6.4 N/þ. The per-phase impedance of the load is 2877 – j864 N. a) Construct a single-phase equivalent circuit. b) Calculate the magnitude of the line current. c) Calculate the magnitude of the line voltage at the terminals of the load. d) Calculate the magnitude of the line voltage at the terminals of the source. e) Calculate the magnitude of the phase current in the load. f) Calculate the magnitude of the phase current in the source.arrow_forward
- In a balanced system, the phasor sum of the line-to-line voltages and the phasor sum of the line-to-neutral voltages are always equal to zero. (a) False (b) Truearrow_forward2. A three-phase transmission line has parameters Xc-6 k 2, R-3.25 2 and X₁-25 92, and delivers 300 MW to a load with both ends of the line at 230 kV. Draw a pi equivalent per-phase circuit of the line. On a per-phase basis, calculate the active power delivered to the load, the reactive power of the line and the active power delivered by the source. Based on these calculations can the equivalent circuit be simplified further?arrow_forwardq1 B g6= 9 g7 = 8arrow_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