Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
1. Three 3.33 Q resistance are connected in delta across 220 V, 3 phase supply. The equivalent wye connected resistance is a. 1.110 c. 6.7 0 d. 10 0 b. 20 0 3. The primary of 34.5/13.8 kV, 75 MVA transformer is wye grounded. The three primary currents are: la = 7202 - 30 Determine the neutral current I, = 6952209 I = 710488 a. 42.39417.34 b. 57.812- 15.21 c. 30.2220.51 d. 14.134- 12.31 ----- -. 6. The line current of unbalanced delta connected load are: I, = 40240 Detemine the phase b zero sequence component b. 45 - j2.9 a = 5020 I = 45.84130.9 a. 0 c. 16 + j17.25 d. 5-j2.9 7. Three identical resistors are connected in delta across a balance, 3-phase source. If one of the resistors is open, a. power will become double b. power is reduced to 33% c. power will become three times the original d. power will increase to 66%

1. Three 3.33 Q resistance are connected in delta across 220 V, 3 phase supply. The equivalent wye connected resistance is a. 1.110 c. 6.7 0 d. 10 0 b. 20 0 3. The primary of 34.5/13.8 kV, 75 MVA transformer is wye grounded. The three primary currents are: la = 7202 - 30 Determine the neutral current I, = 6952209 I = 710488 a. 42.39417.34 b. 57.812- 15.21 c. 30.2220.51 d. 14.134- 12.31 ----- -. 6. The line current of unbalanced delta connected load are: I, = 40240 Detemine the phase b zero sequence component b. 45 - j2.9 a = 5020 I = 45.84130.9 a. 0 c. 16 + j17.25 d. 5-j2.9 7. Three identical resistors are connected in delta across a balance, 3-phase source. If one of the resistors is open, a. power will become double b. power is reduced to 33% c. power will become three times the original d. power will increase to 66%

Introductory Circuit Analysis (13th Edition)
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
icon
Related questions
Question

these are easy questions please answer alll questions for like either dislike is ready

please answer all subparts....

please...

1. Three 3.33 Q resistance are connected in delta across 220 V, 3 phase supply. The equivalent wye connected resistance is a. 1.110 c. 6.7 0 d. 10 0 b. 20 0 3. The primary of 34.5/13.8 kV, 75 MVA transformer is wye grounded. The three primary currents are: I, = 6952209 4 = 7202 – 30 Determine the neutral current I = 710488 a. 42.39417.34 b. 57.812 - 15.21 c. 30.2220.51 d. 14.132 - 12.31 ----- -. 6. The line current of unbalanced delta connected load are: I, = 40240 Detemine the phase b zero sequence component b. 45 - j2.9 la = 5020 I = 45.84130.9 a. 0 c. 16 + j17.25 d. 5- j2.9 7. Three identical resistors are connected in delta across a balance, 3-phase source. If one of the resistors is оpen,. a. power will become double b. power is reduced to 33% c. power will become three times the original d. power will increase to 66%
Transcribed Image Text:1. Three 3.33 Q resistance are connected in delta across 220 V, 3 phase supply. The equivalent wye connected resistance is a. 1.110 c. 6.7 0 d. 10 0 b. 20 0 3. The primary of 34.5/13.8 kV, 75 MVA transformer is wye grounded. The three primary currents are: I, = 6952209 4 = 7202 – 30 Determine the neutral current I = 710488 a. 42.39417.34 b. 57.812 - 15.21 c. 30.2220.51 d. 14.132 - 12.31 ----- -. 6. The line current of unbalanced delta connected load are: I, = 40240 Detemine the phase b zero sequence component b. 45 - j2.9 la = 5020 I = 45.84130.9 a. 0 c. 16 + j17.25 d. 5- j2.9 7. Three identical resistors are connected in delta across a balance, 3-phase source. If one of the resistors is оpen,. a. power will become double b. power is reduced to 33% c. power will become three times the original d. power will increase to 66%
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Random Variable and Random Process
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.
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,
SEE MORE TEXTBOOKS