Exercises on Symmetrical Components1. The line currents in a 3-ph 4 –wire system are l, = 100<30; I, = 50<300"; I, = 30<180°.Find the symmetrical components and the neutral current.2. The sequencec component voltages of phasc voltages of a 3-ph system arc:Van = 100 <0° v; Va = 223.6 <-26.6" V: V = 100 <180" V. Detemine the phasevoltages.3. The two seq. components and the corresponding phase voltage of a 3-ph system areV,0 =1<-60° V; V,-2<0"V ; & Va = 3 <0°V. Determine the other phase voltages.4. Determine the sequence components if I, =10<60° A; I, =10<-60° A; Ic = 10<180° A.5. The line b of a 3-ph line feeding a balanced Y-load with neutral grounded is openresulting in line currents: I, = 10-0" A & I, = 10<120° A. Determine the sequence currentcomponents.6. One conductor of a 3-ph line feeding a balanced delta-load is open. Assuming that line cis open, if current in line a is 10<0" A, determine the sequence components of the linecurrents7. Given Va S253°, V= 72-164°, V.= 7210s°, find the symmetrical components. Thephase components are shown in the phasor form belowVa105164Unbalanced condition8. Given Vo -3,5 4 122", Vi- 5.0 2-10", V2- 1.9 292°, find the phase sequencecomponentsII

As per Bartleby policy we can answer one question at a time. So i am solving first question for you.…

Answered: 1. The line currents in a 3-ph 4 -wire…

1. The line currents in a 3-ph 4 -wire system are I, = 100<30°; I, = 50<300"; I. = 30<180°. Find the symmetrical components and the neutral current.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Q: 2. Draw, in the spaces provided, rough sketches shov ing the following: a) A current which lags the…

Q: a I2 I1 420°A ( -j2 j22 I3 b 12230'v 12 jia I 4 1220°A I5 ell

Q: A 250 m, 2-wire d.c. distributor fed from one end is loaded uniformly at the rate of 0·8 A per…

A: Given values are = Voltage at far end is Vd = 250 Volt.

Q: diameter of 10 mm. The inductance of the cable is 4 × 10-7 H/m. Ignoring inductance due to internal…

A: Diameter of core = 10 mm Inductance of the cable (L) = 4 × 10−7 H/m Relative permeability (µr) = 1…

Q: Q2-The results of the No-lood test of 3phase I.M was 325 W, 400v 4.6 A and S.C. Test was 1550W, 800,…

Q: What are the advantages of delta to wye connections?

A: The solution can be achieved as follows.

Q: Two coils wound on a common core have L1=0.2 H, L2=0.5 H, and M=0.1 H. The currents are…

A: Given data, The value of inductor L1 = 0.2 H. The value of inductor L2 = 0.5 H. The value for…

Q: In a 3-phase 4-wire system, the currents in R, Y and B lines under abnormal conditions of loading…

A: Given:

Q: Two single phase generators operating in parallel have no-loads emfs of E₁ = 24020° V and E₂ =…

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

A: It is given that: MVAbase=15XT1=XT2=XT3=0.04 pu

Q: 56. Determine the general solutions for the currents /1, /2, and Iz if R1 = R2 = R3 = 4 ohms and L1…

A: Let V = 1 V. Write the KVL expression for the left loop. V(s)=R1I1s+I2R2s+sL1I1s1s=4+2sI1s+4I2s…

Q: a I1 620°A V.0790 212 20 I4 I3 ell ji2 b 10 20 420°A -j207 Is I2 e

A: The solution is given below

Q: 2.1: The following data refer to a single-phase transformer: Turn ratio (2:1), R=2 S2, X-12 n,…

Q: The property of conductor which opposes the flow of current through it is called Voltage * O True…

A: The property of a conductor by virtue of that it opposes the flow of electrical current through it's…

Q: A two-legged core is shown in figure below. The winding on the left leg of the core (N) has 800…

A: We have given the following problem A two legged core is shown below the winding on the left leg of…

Q: 3) Obtain the relationships between terminal voltages and currents for each of the ideal…

A: The solution is given below

Q: A ferromagnetic core is shown in Figure 1. There is a small gap of0.07 cm in the structure of the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What are FACTS (Flexible Alternating Current Transmission Systems), and how do they improve the…

A: Flexible Alternating Current Transmission Systems (FACTS) are a set of advanced power electronics…

Q: Using Kirchhoff analysis, determine the initial current in each section along with its direction and…

Q: 10 20 30 E7 V ig 2 S10 20

Q: Circuit B- Parallel Circuit . Use the DMM to measure the resistance of each labeled resistor. Record…

A: Given circuit shown Es=3.05 vR1=49 ΩR2=99.5 Ω

Q: The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter and length of…

A: Since the material A and B are the same hence the resistivity will be the same in both cases. From…

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: 1. Inductance. Consider the configuration of a wire with 90° bends as shown below. A small loop,…

A: The given configuration is shown below,

Q: Determine the mesh currents?

A: Given circuit is shown below:

Q: 2- Find the current through each branch of the network shown below. 10 13 25 60 12 10 II 20

A: Mesh equation of a planar circuit(circuit having flat surfaces without crossing wires) can be…

Q: onsider a three winding transformer with the following particulars: = 50-40° A. Assume that V₂ is 1=…

A: Solution- THREE WINDING TRANSFORMER Given, Z1=Z2=Z3 = 0.02+j0.08 ohmV2 = 400 VI2 = 60∠-30° AI3…

Q: 7. Three load units A, B, and Care connected in parallel and take currents that are respectively 11…

Q: Which of the following statement is true? a. 2 wire ac distribution line has only resistance .

A: The fallowing statement is true in the case of two wire ac distribution system.

Q: A 2-wire DC distributor AB is fed at both ends at the same voltage of 230 V. The length of the…

A: Given data, Specific resistance ρ=1.73×10-8 Ωm Voltage drop VA=5.5 V

Q: A 2-wire DC distributor AB is fed at both ends at the same voltage of 230 V. The length of the…

Q: Please solve Last time Rejected i give upvote. Two single phase scott-connected transformers…

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: The diameter of an ACSR conductor is 1.162 inches. The steel core has 7 strands of diameter 0.1291…

A: Formula to calculate number of strands is: N=3x2-3x+1where N is number of strandsx is layer number

Q: Q) derive the equation of force between two current carrying conductor parallel to cach other and…

Q: When we denote the direction of the line currents in a balance load, balance source system, t is…

A: Load is part of the electrical system which consumes the electrical power generated. The current is…

Q: Mesh currents?

A: Given circuit is shown below:

Q: A source of AC emf E₁ = 120/30º volts with an impedance of Z₁ = 2/0° ohms is connected in parallel…

A: In this question we will find load current for parallel connected AC source....

Q: A source of AC emf E₁ = 100/0º volts with an impedance of Z₁ = 20/0° ohms is connected in parallel…

A: In this question we will find current through load impedance for two parallel connected source....

Q: A conductor is moving with a velocity of 12 m/s in the direction shown. The flux density is 1.6 T,…

Q: In a 3-phase 4-wire system, the currents in R, Y and B lines under abnormal conditions of loading…

A: In a three phase system there are two ways to connect a three phase load. Star/Wye Connection Delta…

Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

Exercises on Symmetrical Components
1. The line currents in a 3-ph 4 –wire system are l, = 100<30; I, = 50<300"; I, = 30<180°.
Find the symmetrical components and the neutral current.
2. The sequencec component voltages of phasc voltages of a 3-ph system arc:
Van = 100 <0° v; Va = 223.6 <-26.6" V: V = 100 <180" V. Detemine the phase
voltages.
3. The two seq. components and the corresponding phase voltage of a 3-ph system are
V,0 =1<-60° V; V,-2<0"V ; & Va = 3 <0°V. Determine the other phase voltages.
4. Determine the sequence components if I, =10<60° A; I, =10<-60° A; Ic = 10<180° A.
5. The line b of a 3-ph line feeding a balanced Y-load with neutral grounded is open
resulting in line currents: I, = 10-0" A & I, = 10<120° A. Determine the sequence current
components.
6. One conductor of a 3-ph line feeding a balanced delta-load is open. Assuming that line c
is open, if current in line a is 10<0" A, determine the sequence components of the line
currents
7. Given Va S253°, V= 72-164°, V.= 7210s°, find the symmetrical components. The
phase components are shown in the phasor form below
Va
105
164
Unbalanced condition
8. Given Vo -3,5 4 122", Vi- 5.0 2-10", V2- 1.9 292°, find the phase sequence
components
II

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

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

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

b. Get branch currents using Kirchhoff's law method
A 30 kV single core cable has a conductor dimeter of 2 cm and a sheath of inside diameter 6 cm. Find the maximum (peak value) and minimum stress (peak value) in the insulation.
An over head TL at a river crossing is Bupprtal From Tws Tourrs a heipet of zrm B 4um abive Water level The chistance betuken The towers is 3oune. and The Tension inthe wires is d5b00N. The weight of oue meterof the Cnluetm is 8N. let A Point înthe ConduCtor thas ahori Zontol distance of gom for From the tower. Find dihe Vertical distance between tis Poit and water level. Sol : Telsood N, w- 8N, Piz25m, Pzzelo iha 40-25=15 my
Eddy currents can be induced only in metals that are not ferromagnetic, for example, copper and aluminium. Select one: True False
a. Get branch currents using kirchhoff's laws method
Find the impedance for good conductor
Mesh Currents ?
8. The two winding transformer and the autotransformer of the circuit shown in Figure are ideal. Determine the conducting and transformed currents of auto transformer. N1=200 NBC=20 N2=100 NBA=30 10A B 200 V 50,Hz C N1: N2
The diameter of an ACSR conductor is 1.1116 inches. The steel core has strands of diameters of 0.1291 inches each. If 54 Aluminum strands have the diameters of 0.1351 inches each, the number of Steel strands is: O A. 15 O B. None of choices are correct O C. 19 O D.7 O E. 27
8. The two winding transformer and the autotransformer of the circuit shown in Figure are ideal. Determine the conducting and transformed currents of auto transformer. N1=200 NBC=20 N2=100 NBA=30 10A B 200 V 50,Hz N1 : N2 lellll
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.