Unit – 3

Special Purpose Motors

Question

1. Explain the working principle of stepper motor with constructional diagram?
2. Draw and explain the stepper motor characteristics.
3. State the applications of stepper motor?
4. Compare AC and DC servomotor
5. Explain the construction of BLDC motor and mention its application?
6. Explain in detail the principle of working, types, advantages and applications of AC servomotor?
7. Explain the working principle of split phase induction motors?
8. Explain the working principle of shaded pole induction motors?
9. Write short note on linear induction motor?
10. Explain different types, advantages disadvantages and applications of universal motor?