Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors
Induction Motors: Important Part B Questions
Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors : Important Part B Questions
Basic Electronics and
Electrical Engineering
Chapter 5: Induction Motors
2 Marks Important Questions with
Answers
PART
B‒QUESTIONS
1. Describe with neat
sketches the construction of a 3‒phase squirrel‒cage type induction motor. 2.
Describe with neat sketches the construction of a 3‒phase split‒phase induction
motor.
3. Explain the working
principle of 3‒phase induction motor.
4. Derive an expression
for the frequency of rotor current in an induction motor.
5. Obtain the
equivalent circuit of a 3‒phase induction motor.
6. Briefly explain
about Torque‒slip characteristics of 3‒phase induction motor.
7. What are the various
power stages in a 3‒phase induction motor.
8. Briefly explain
about various methods of speed control of 3‒phase induction motor.
9. Describe with
construction diagrams the working of the following starters.
(a) Direct‒on‒line starter
(b) Auto transformer
starter
(c) Star‒Delta starter
(d) Slip ring motor
starter.
10. Describe the
construction and working of a capacitor‒start single phase induction motor.
11. Describe the
construction and working of a shaded‒pole motor.
12. Write short notes
on the following: (a) Universal motor (b) Split phase induction motor.
13. Briefly explain
about double field revolving theory.
14. Discuss why single‒phase
induction motors do not have a starting torque.
Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors : Tag: Basic Engineering : - Induction Motors: Important Part B Questions
Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors
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Basic Electronics and Electrical Engineering
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