Synchronous Motor Interview Questions Pdf Download

Are you looking for Synchronous Motor Interview Questions? Here you will get your desired result. Here we have collected all important questions with answer related to Synchronous Motor. Here you will get v and inverted v curves of synchronous motor viva questions.

Synchronous Motor Interview Questions
Synchronous Motor Interview Questions

Synchronous Motor is an electric motor having a speed exactly proportional to the current frequency.

Synchronous Motor Interview Questions

  1. Why synchronous motor is not self starting?
  2. A synchronous motor working on leading power factor and not driving any mechanical, which is known?
  3. What are the methods of starting synchronous motor?
  4. What is the effect on speed if the load is increased on a 3 phase synchronous motor?
  5. Distinguish between synchronous phase modifier and synchronous condenser?
  6. What is pony motor starting in Synchronous Motor?
  7. Why a synchronous motor is a constant speed motor?
  8. What is the phasor relation between induced emf and terminal voltage of a 3 phase  synchronous motor?
  9. At what load angle is power developed in a synchronous motor becomes its maximum value ?
  10. Why damper windings are used in synchronous motor? Or How synchronous motor is started as squirrel cage motor?

Synchronous Machines Questions And Answers Pdf

  1. What is the function of damper winding In Synchronous Motor?
  2. Which motor can conveniently operate on lagging as well as leading power factor ?
  3. What is hunting in Synchronous Motor?
  4. What are the effects of hunting?
  5. What is pull in torque?
  6. What happens when the field current of a synchronous motor is increased beyond the normal value at constant input?
  7. The back emf in the stator of a synchronous motor depends on?
  8. What is pull out torque?
  9.  In what way synchronous motor is different from other motors?
  10. What is the effect on speed if the load is increased on a 3 phase synchronous motor?

Electrical Interview Questions On Synchronous Motor

  1. Why a synchronous motor is a constant speed motor?
  2. Which of the following motors is non-self starling ?
  3. What is normal excitation?
  4. What is under excitation?
  5. What is main differences between Induction motor and Synchronous motor?
  6. What is over excitation?
  7. What is critical excitation?
  8. What is synchronous condenser?
  9. Distinguish between synchronous phase modifier and synchronous condenser?
  10. How the synchronous motor can be used as s synchronous condenser?

Short Questions On Synchronous Machines

  1. What are V and inverted V curves of synchronous motor ?
  2. Write the applications of synchronous motor?
  3. State the characteristic features of synchronous motor?
  4. In what way synchronous motor is different from other motors?
  5. A synchronous motor starts as usual but fails to develop its full torque. What could it be due to?
  6. What could be the reasons if a 3-phase synchronous motor fails to start?

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