torque. Ans[40.5 N.m, 63.6 N.m, 1333r.p.m] The resistance and standstill reactance of each phase of a 3-phase induction motor with star- connected rotor are 0.062 and 0.42 respectively. The full-load slip is 4% . Calculate the resistance per phase of a star-connected rheostat which, when connected to the rotor circuit will give a pull- out torque at one haif of the fuii ioad speed. What is then the power factor? Ans[0.1482,0.707Lag] A 3-phase induction motor has a 4-pole star-connected ototr

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...
Question
ulate (1) torque at 4 % slip (ii)
LUPQUE (iii) speed at maximum torque.
Ans[40.5 N.m, 63.6 N.m, 1333r.p.m]
Q12/ The resistance and standstill reactance of each phase of a 3-phase induction motor with star-
connected rotor are 0.062 and 0.42 respectively. The full-load slip is 4% . Calculate the resistance
per phase of a star-connected rheostat which, when connected to the rotor circuit will give a pull-
out torque at one haif of the fuii ioad speed. What is then the power factor?
Ans[0.1482,0.707Lag]
A 3-phase induction motor has a 4-polę star-connected
Transcribed Image Text:ulate (1) torque at 4 % slip (ii) LUPQUE (iii) speed at maximum torque. Ans[40.5 N.m, 63.6 N.m, 1333r.p.m] Q12/ The resistance and standstill reactance of each phase of a 3-phase induction motor with star- connected rotor are 0.062 and 0.42 respectively. The full-load slip is 4% . Calculate the resistance per phase of a star-connected rheostat which, when connected to the rotor circuit will give a pull- out torque at one haif of the fuii ioad speed. What is then the power factor? Ans[0.1482,0.707Lag] A 3-phase induction motor has a 4-polę star-connected
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Single Phase Induction Motor
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,