Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
Answer all questions from this section. Use a fresh page for each question. Question B1 [15 pts] An universal motor is very similar to a DC series motor in construction, but it is modified slightly to allow the motor to operate properly on AC power. A washing machine is driven by an universal motor, which is powered by single-phase AC source having 110 Vac and 60 Hz. The armature winding of the motor has the resistance and inductance of 0.4 Q2 and 3 mH, respectively. The field winding of the motor has the resistance and inductance of 0.8 02 and 6 mH, respectively. When the washing machine operates at half load torque, the motor draws 10 Aac and runs at 1000 rpm. Calculate the input current and speed of the motor when the washing machine operates at full load torque. At half load torque, (i) Calculate impedance of the armature and field windings. [3 pts] (ii) Calculate the average electromotive force (emf) and average current in the armature. [4 pts] At full load torque. (iii) Determine the average and root mean square armature current. [4 pts] (iv) Determine the average emf in the armature. [2 pts] (v) Determine the speed of the motor. [2 pts]

Answer all questions from this section. Use a fresh page for each question. Question B1 [15 pts] An universal motor is very similar to a DC series motor in construction, but it is modified slightly to allow the motor to operate properly on AC power. A washing machine is driven by an universal motor, which is powered by single-phase AC source having 110 Vac and 60 Hz. The armature winding of the motor has the resistance and inductance of 0.4 Q2 and 3 mH, respectively. The field winding of the motor has the resistance and inductance of 0.8 02 and 6 mH, respectively. When the washing machine operates at half load torque, the motor draws 10 Aac and runs at 1000 rpm. Calculate the input current and speed of the motor when the washing machine operates at full load torque. At half load torque, (i) Calculate impedance of the armature and field windings. [3 pts] (ii) Calculate the average electromotive force (emf) and average current in the armature. [4 pts] At full load torque. (iii) Determine the average and root mean square armature current. [4 pts] (iv) Determine the average emf in the armature. [2 pts] (v) Determine the speed of the motor. [2 pts]

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 all questions from this section. Use a fresh page for each question. Question B1 [15 pts] An universal motor is very similar to a DC series motor in construction, but it is modified slightly to allow the motor to operate properly on AC power. A washing machine is driven by an universal motor, which is powered by single-phase AC source having 110 Vac and 60 Hz. The armature winding of the motor has the resistance and inductance of 0.4 Q2 and 3 mH, respectively. The field winding of the motor has the resistance and inductance of 0.8 02 and 6 mH, respectively. When the washing machine operates at half load torque, the motor draws 10 Aac and runs at 1000 rpm. Calculate the input current and speed of the motor when the washing machine operates at full load torque. At half load torque, (i) Calculate impedance of the armature and field windings. [3 pts] (ii) Calculate the average electromotive force (emf) and average current in the armature. [4 pts] At full load torque. (iii) Determine the average and root mean square armature current. [4 pts] (iv) Determine the average emf in the armature. [2 pts] (v) Determine the speed of the motor. [2 pts]
Transcribed Image Text:Answer all questions from this section. Use a fresh page for each question. Question B1 [15 pts] An universal motor is very similar to a DC series motor in construction, but it is modified slightly to allow the motor to operate properly on AC power. A washing machine is driven by an universal motor, which is powered by single-phase AC source having 110 Vac and 60 Hz. The armature winding of the motor has the resistance and inductance of 0.4 Q2 and 3 mH, respectively. The field winding of the motor has the resistance and inductance of 0.8 02 and 6 mH, respectively. When the washing machine operates at half load torque, the motor draws 10 Aac and runs at 1000 rpm. Calculate the input current and speed of the motor when the washing machine operates at full load torque. At half load torque, (i) Calculate impedance of the armature and field windings. [3 pts] (ii) Calculate the average electromotive force (emf) and average current in the armature. [4 pts] At full load torque. (iii) Determine the average and root mean square armature current. [4 pts] (iv) Determine the average emf in the armature. [2 pts] (v) Determine the speed of the motor. [2 pts]
Expert Solution
steps

Step by step

Solved in 2 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
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,
SEE MORE TEXTBOOKS