A balanced three-phase source with grounded neutral has line-to-line voltages of 208 volts with ab-bc-ca sequence. It supplies power to an unbalanced three-phase delta load with impedances: Zab = 30+j40; Zbc = 50-j40; Zca = 65+j25 ohms. What is the magnitude of the line current in line b in amperes?

A balanced three-phase source with grounded neutral has line-to-line voltages of 208 volts with ab-bc-ca sequence. It supplies power to an unbalanced three-phase delta load with impedances: Zab = 30+j40; Zbc = 50-j40; Zca = 65+j25 ohms. What is the magnitude of the line current in line b in amperes?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.23MCQ: In a balanced system, the phasor sum of the line-to-line voltages and the phasor sum of the...

See similar textbooks

Related questions

Q: A balanced three-phase source with grounded neutral has line-to-line voltages of 208 volts with…

A: It is given that: VL-L=208 voltZab=45-j25; Zbc=25+j50; Zca=60+j80 ohms

Q: Given: 1. 2 wye-connected loads per phase to a 3 phase power source 2. first load consists of a…

Q: In the three-phase system shown in the figure, phase a is on no load and phases b and C are…

Q: Four conductors meet at a junction. the current are i1= 5sinwt, i2= 3sin(wt + 90) and i3=…

A: The solution can be achieved as follows.

Q: In a 10 km long three phase conductor diameter of 2.5 mm the conductors are arranged symmetrically…

Q: a) Find the ICA load current. b) Give the line voltage Vab. c) Calculate the total complex power on…

A: a) Find the ICA load current. b) Give the line voltage Vab. c) Calculate the total complex power on…

Q: Source: Ean = 12020° v; Epn = 1204 – 120° v; Een = 1204120° v (grounded neutral) Zan = Zpn = Zen =…

A: Given Condition : Without fault

Q: In a star connected three-phase balanced system, the angle between line voltage and phase voltage is…

A: Explanation: The phase voltages are VR, VY, VB they are part 1200 from each other We are considering…

Q: A three-phase alternator generating unbalanced voltages is connected to an unbalanced load through a…

Q: A three-phase, 230 V, 72 kVA, 0.9 pf (lagging) load is supplied by three 29 kVA, 1330/230 V, 60 Hz…

A: Given, The single line diagram is shown below, Where,Feeder impedance, ZF=0.003+j0.015 Ω/phaseLine…

Q: AC Power and Power Factor 1. Two loads are connected in parallel across a 13,200-volt line. Load A…

Q: The single-line diagram of a subtransmision system is presented in the figure below. At point B a…

A: Three phase fault is the symmetrical fault and it is the most severe fault.

Q: a ZA ZA bo ZA The circuit shown is excited by a balance three phase source. 357 V and 55 phase…

A: convert star connection in to ∆ connection;Zy in ∆=3Zy in starZy∆=3×4+j6Ω=12+j18ΩZ∆ is parallel with…

Q: Calculate the amplitude of the line voltage per phase at the load

A: This is 3 phase balance power circuit, Calculate the amplitude of the line voltage per phase at the…

Q: 1) What is the phase angle between the phases in an ideal 3-phase system?

Q: The one-line diagram of a three-phase power system is shown in the above figure. The line impedances…

A: Bus admittance matrix calculated using line impedance as Ydiagonal=sum of all admittance connected…

Q: 4. If the sequence of Wye connected load is CBA and the reference is VCA then the phase voltage must…

Q: The one-line diagram of a three-phase power system is as shown in the figure attached. Impedances…

A: The load at bus is S2=15.93 MW-j33.4 MvarFirst converting all the values in per-unit systemThe load…

Q: In the figure, the load absorbs 22.256 KVA at a power factor 0.544639 inductive. For the feeder…

A: The solution is given below

Q: What can you say about the flow of power as a function of time between a balanced three-phase source…

A: Concept: A definition of a function is that a relation from a set of inputs to a set of possible…

Q: In a star connected three-phase balanced (RYB) system, the phase angle between phase voltage ( VR…

A: In a star connected three-phase balanced (RYB) system, the phase angle between each phase is 120°.…

Q: One advantages of load balancing is that each phase conductor carries the ? current value

A: We need to tell about advantage load balancing is that each phase conductor carries the equal…

Q: Construct the code segment in order to keep the LED array blinking on and off in an infinite loop.…

A: The 8086 micro processor is a 16 bit micro processor. Its address bus is 20 bits and data bus is 16…

Q: suministrada a la carga. 11020° Vrms | 9-j6 140L-120° Vrms 9-562 110 420° Vims 9-J6R

Q: A single-phase distributor AB has a total impedance 0f (0.1+j0.2) ohms. At the far end B, a current…

A: we need to determine the sending end voltage.

Q: Develop the mathematical relationships for the design of the inductance and capacitance of a…

A: Distances of conductors are written as: Da1b2=distance between a1 and b2.like…

Q: In the system shown in Figure 1, the transformers are connected star-star with both star points…

A: In this question we need to find the load current in per unit value

Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

A balanced three-phase source with grounded neutral has line-to-line voltages of 208 volts with ab-bc-ca sequence. It supplies power to an unbalanced three-phase delta load with impedances: Z_ab = 30+j40; Z_bc = 50-j40; Z_ca = 65+j25 ohms. What is the magnitude of the line current in line b in amperes?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Analysis of Single Phase and Three Phase System

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

The one-line diagram of a three-phase power system is shown in the above figure. The line impedances are in per- unit on a 100-MVA base, and the line admittances are neglected. Use Gauss-Seidel method in Matlab to analyze the system the tolerance of error is 10-3. Then anwser the questions as follows. V, = 1.05200 0.01+ j0.025 300 + j200 MVA 0.015 + j0.035 150 MW 200 +j150 MVA 0.01+ j0.03 |V = 1.03 The admittance matrix (Y_bus)? 0.02 + jo.04 0.0125 + jo.03 2.
Differentiate Wye and Delta Connection in Three Phase System and Relate it with Computer Engineering
3. The single-line diagram of a three-phase power system is as shown in Figure Al-3. Impedances are marked in per unit on a 100-MVA, 400-kV base. The load at bus 2 is S2 = 15.93 MW – j 33.4 Mvar, and at bus 3 is S3 = 77 MW +jl4 Mvar. It is required to hold the voltage at bus 3 at 40020° kV. Working in per unit, determine the voltage at buses 2 and 1. V2 V1 V3 j0.5 pu j0.4 pu S2 S3 Figure A1-3
Discuss how delta connection is achieved in three-phase systems?
The three-phase source line-to-neutral voltages are given by Ean=100,Ebh=10+240, and Ecn=10240volts. Is the source balanced? (a) Yes (b) No
Does an open connection permit balanced three-phase operation? - (a) Yes (b) No
Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series reactance of 0.1 per unit divided equally between primary and secondary, are connected in a three-phase bank. The high-voltage windings are V-connected and their terminals are directly connected to a 115-kV three-phase bus. The secondary terminals are all shorted together. Find the currents entering the high-voltage terminals and leaving the low-voltage terminals if the low-voltage windings are (a) Y-connected and (b) - connected.
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) True
Three phase circuit(balanced)
Develop the mathematical relationships for the design of the inductance and capacitance of a three-phase double circuit line. A three-phase double circuit line consists of two identical three-phase parallel circuits as shown in the figure below. The circuits are operated with a1-a2, b1-b2, and c1-c2 in parallel.
H.W 6: For the systom shown, determeine the fauttt level and short cerint current for a 3-phase fault at the of The linee. middle ofone のC) Vo.2 P.u t02p.u ikV 132 ICV =110 p.u 132KV Assume all reactances of generatos and transfe ona 10% u kV at aen's. on common base, Sb- 50 MVA,
The following single-phase loads are connected to a 415V three-phase supply. Z, = (25 - j15)0, Z, = (45+ j10)2 and Z, = (5+ j30)2. Answer questions 37 and 38. -. What is the current in amperes in the red phase? A. 6.65233.69 D. 5.60233.69 B. 8.23/30.96 C. 14.23430.96 Find the magnitude of the current in the neutral conductor in amperes. A. 18.16 с. 21.33 B. 14.23 D. 12.54 E. 15.68 . A three-phase supply energizes three resistive single-phase loads which draw the following currents: 1, =84, 1, = 6A and I, = 24. What is the magnitude of the neutral current? A. 8 В. 16 С. 5.29 D. 12.49 E. 5.61