Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 32, Problem 6RQ
Name three factors that determine the torque produced by an induction motor.
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Chapter 32 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 32 - What are the three basic types of three-phase...Ch. 32 - What is the principle of operation of all...Ch. 32 - What is synchronous speed?Ch. 32 - What two factors determine synchronous speed?Ch. 32 - Prob. 5RQCh. 32 - Name three factors that determine the torque...Ch. 32 - Is the synchronous motor an induction motor?Ch. 32 - Prob. 8RQCh. 32 - Why must a synchronous motor never be started when...Ch. 32 - Name three characteristics that make the...
Ch. 32 - What is the function of the field-discharge...Ch. 32 - Why can an induction motor never operate at...Ch. 32 - A squirrel-cage induction motor is operating at...Ch. 32 - Prob. 14RQCh. 32 - Prob. 15RQCh. 32 - Prob. 16RQCh. 32 - Name three factors that determine the amount of...Ch. 32 - Why will the rotor of a wound-rotor motor not turn...Ch. 32 - Why is the starting torque per A of starting...Ch. 32 - When is a synchronous motor a synchronous...Ch. 32 - What determines when a synchronous motor is at...Ch. 32 - How can a synchronous motor be made to have a...Ch. 32 - Is the excitation current of a synchronous motor...Ch. 32 - Prob. 24RQCh. 32 - Prob. 25RQCh. 32 - You are working as a plant electrician. It is your...Ch. 32 - You have been given the task of connecting a...Ch. 32 - You are an electrician working in an industrial...
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- 200 +21. If maximum torque of an induction motor is kg-m at a slip of 12%, the torque at 6% slip would be...... kg-m. 1 (a) 100 (b) 160 (c) 50 (d) 40 B, 1993)arrow_forward6. What should be done for an induction motor to be able to produce the highest possible torque?arrow_forwardIn your opinion, what happens to the rotor speed and current when mechanical load on an induction motor increases? Barrow_forward
- Explain working of an induction motor in your own word and in detail Please do it fastarrow_forwardAn induction motor has a full load slip of 0.04. It's starting current 5 times its full load current. What is the ratio of starting torque to the full load torque? Select one: a. 2 b. 0.5 c. 0.2 d. 1arrow_forwardDiscuss how the Torque is developed in an Induction Motor.arrow_forward
- The rotor of an induction motor has a moment of inertia of 5kgm2. What is the torque required to increase the motor speed from 1600rpm to 1800rpm in 8s?arrow_forwardWould a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction motor? Explain your answer.arrow_forwardpole. 50-Hz. 3-ϕ induction motor has a full-load speed of 950 rpm. At half load its speed would be ..... rpm a) 475 b) 500 c) 975 d)1000arrow_forward
- THERE MAY BE MORE THAN ONE ANSWERarrow_forward1. Describe the constructional features and characteristics, of a induction motor that would be used in Lathe machine. Identify another application for this motor? 2. Describe the Torque-Slip characteristics of a three phase induction motor.arrow_forwardWhat are the two factors influencing the speed of induction motor?arrow_forward
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