Dnyaneshwar Vidyapeeth (Trust)

Assignment 2

 

ASSIGNMENT ELECTRICAL MACHINES

SUB –CODE- (ELE-D410)                COURSE:  TECH QUIC DIPLOMA          SESSION - Summer

                                                                        BRANCH – Electrical

 

 

Q.1)     Solve.

  1. Define synchronous speed.  
  2. Define maximum slewing frequency or maxim pull out rate.
  3. Define maximum starting torque or maximum pull in torque.
  4. Explain applications of three-phase synchronous motor. 
  5. Define servomechanism.
  6. State the types of servomotors.

Q.2)  Solve.

  1. Give the applications of A. C. servomotors.  
  2. Give applications of D.C. servomotors.
  3. What is stepper motor? 
  4. Explain Torque – Displacement characteristics of a stepper motor.
  5. Explain Torque – current characteristic of stepper motor. 
  6. State the features of servomotors.

7.     State the advantages of Brush less D.C. motors over conventional D.C. motors.

 

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