Friday, 18 March 2016

Electrical Drives
Question Bank

Unit :1
1) Advantages of electrical drives.
2)State essential part of electrical drives.
3)What are the functions of power modulator?
4) Draw block diagram of electrical drive and explain briefly function of each block.
5) What is electrical drive? Enlist advantages of electrical drive.
6) Enlist factors to be considered for selection of electrical drive.
Unit :2
1)Explain different types of load on electrical drives.
2)Explain quadrilateral diagram of speed and torque characteristic (four quadrant operation)
3)Write a note on load torque and its classification.
4)Dynamic equation of motor load combination.
5)Determination of moment of inertia of a motor.
6)Write a note on stability of an electrical drive.
Unit :3
As per the review questions given at the end of ch. -3 in Electrical Drives – Tech max.
Unit :4
1) Explain self tuning control method.
2) Explain the Model Reference Adaptive control.
3) Explain sliding mode control method.

Unit :5

1) Explain the speed torque characteristic of DC series motor.

2) Explain the speed torque characteristic of DC shunt motor.
Unit : 6
1) Explain d-q model of induction motor.
2) Explain constant flux speed control of induction motor.
3) Explain concept of vector control of 3- ɸ induction motor.
4) Draw and explain block diagram of direct vector control method in 3- ɸ induction motor.
5) Draw and explain block diagram of indirect vector control method in 3- ɸ induction motor.

6) Explain how dynamic performance of 3- ɸ induction motor can be converted like dynamic performance of separately excited DC motor.

No comments:

Post a Comment