this motor. Ans. 4.2/36.9° 14.27. A 25 hp three-phase, induction motor with a full load efficiency of 82% and a power factor of .75 is connected to a 208 volt system. Find the equivalent delta-connected impedance which can replace this motor and find the readings obtained by the two-wattmeter method. Ans. 4.28/41.4°; 5.58 kw, 17.15 kw

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...
icon
Related questions
Question
100%

14.27 pls

Ans. 4.26/–70°, 4.26/50°, 4.26/170°; 3320 w
14.26. A 50 hp induction motor with a full load efficiency of 85% and a power factor of .80 is connected
to a three-phase, 480 volt system. Find the equivalent wye-connected impedance which can replace
this motor.
Ans. 4.2/36.9°
14.27. A 25 hp three-phase, induction motor with a full load efficiency of 82% and a power factor of .75
is connected to a 208 volt system. Find the equivalent delta-connected impedance which can replace
this motor and find the readings obtained by the two-wattmeter method.
Ans. 4.28/41.4°; 5.58 kw, 17.15 kw
Three identical impedances of 9/-30° ohms in delta and three impedances of 5/45° ohms in wye
are both connected to the same three-phase, three-wire, 480 volt, ABC system. Find the magnitude
of the line current and the total power.
14.28.
Ans. 119.2; 99 kw
bed mith impedenees
Transcribed Image Text:Ans. 4.26/–70°, 4.26/50°, 4.26/170°; 3320 w 14.26. A 50 hp induction motor with a full load efficiency of 85% and a power factor of .80 is connected to a three-phase, 480 volt system. Find the equivalent wye-connected impedance which can replace this motor. Ans. 4.2/36.9° 14.27. A 25 hp three-phase, induction motor with a full load efficiency of 82% and a power factor of .75 is connected to a 208 volt system. Find the equivalent delta-connected impedance which can replace this motor and find the readings obtained by the two-wattmeter method. Ans. 4.28/41.4°; 5.58 kw, 17.15 kw Three identical impedances of 9/-30° ohms in delta and three impedances of 5/45° ohms in wye are both connected to the same three-phase, three-wire, 480 volt, ABC system. Find the magnitude of the line current and the total power. 14.28. Ans. 119.2; 99 kw bed mith impedenees
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Analog to digital converters
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
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,