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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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
- A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is the horsepower output of the motor?arrow_forwardwhat is the value of the torque of the 60Hz 4-pole induction motor at 1800rpm? In real life induction generator possible ?arrow_forwardWhat are the two basic types of construction used for the rotors of induction motors? Which is the most rugged?arrow_forward
- (1) Explain why induction motors are preferred for industrial use. (2) Explain the principle of an induction motor (3) Draw the equivalent circuit of an induction motor and state what each element in the circuit represent. (4) Describe how DC, No- Load and Locked Rotor Tests are performed on an induction Motor.arrow_forwarda) Why the slip of induction motor is never zero, b) What happens if the slip of induction motor is one, c)What is the value of the slip for an induction motor at no load and full load.arrow_forwardDiscuss how the Torque is developed in an Induction Motor.arrow_forward
- 1. What is the formula for torque production in a single-phase induction motor? Draw a vector diagram for capacitor start single-phase induction motor.2. Which type of starter is popular for using in induction motor and why?arrow_forwardAn induction motor has rotor resistance of 6 (ohm) and reactance of 8(ohm) and maximum torque at slip 0.75. Neglect stator resistances and reactance. Find value of ratio of starting torque and maximum torque.arrow_forwardBesides low cost, what are five desirable characteristics for an induction motor?arrow_forward
- Draw the approximate equivalent (without Xm) circuit of an induction motor and derive the equation of the maximum torque..arrow_forwardHow can we calculate the speed of the induction motor provided that the induction motor drive keeps the slip constant? Explain that you can adjust to different values.arrow_forwardAn induction motor develops rated torque with a slip of 3.5% when the rotor is cold. If the rotor resistance is 20% higher when the motor is at normal running temperature, at what slip it will develop rated torque?arrow_forward
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