Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
Problem 1. A 20-hp, 250-V shunt motor has an armature-circuit resistance (including brushes and interpoles) of 0.22 $2 and a field resistance of 170 2. At no-load and rated voltage, the speed is 1200 rpm and the armature current are 3.0 A. At all-load and rated voltage, the line current is 55 A, and the flux is reduced 6% (because of armature reaction) from its value at no-load. What is the full- load speed?

Problem 1. A 20-hp, 250-V shunt motor has an armature-circuit resistance (including brushes and interpoles) of 0.22 $2 and a field resistance of 170 2. At no-load and rated voltage, the speed is 1200 rpm and the armature current are 3.0 A. At all-load and rated voltage, the line current is 55 A, and the flux is reduced 6% (because of armature reaction) from its value at no-load. What is the full- load speed?

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

answer problem #1 write your solution on any peace of paper tnxxxxxx

BOX your final answer. Problem 1. A 20-hp, 250-V shunt motor has an armature-circuit resistance (including brushes and interpoles) of 0.22 $2 and a field resistance of 170 2. At no-load and rated voltage, the speed is 1200 rpm and the armature current are 3.0 A. At all-load and rated voltage, the line current is 55 A, and the flux is reduced 6% (because of armature reaction) from its value at no-load. What is the full-load speed? Problem 2. A 4-pole, wave-wound, 750 rpm shunt generator has an armature and field resistances of 0.4 ohm and 200 ohms, respectively. The armature has 720 conductors and the flux per pole is 28.95 mWb. If the load resistance is 10 ohms, what is the terminal voltage of the machine?
Transcribed Image Text:BOX your final answer. Problem 1. A 20-hp, 250-V shunt motor has an armature-circuit resistance (including brushes and interpoles) of 0.22 $2 and a field resistance of 170 2. At no-load and rated voltage, the speed is 1200 rpm and the armature current are 3.0 A. At all-load and rated voltage, the line current is 55 A, and the flux is reduced 6% (because of armature reaction) from its value at no-load. What is the full-load speed? Problem 2. A 4-pole, wave-wound, 750 rpm shunt generator has an armature and field resistances of 0.4 ohm and 200 ohms, respectively. The armature has 720 conductors and the flux per pole is 28.95 mWb. If the load resistance is 10 ohms, what is the terminal voltage of the machine?
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Speed control of 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.
Similar questions
  • SEE MORE 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,
SEE MORE TEXTBOOKS