1.
List the advantages of electrical braking
2.
What is the difference between scalar and vector
control of induction motor.
3.
Compare CSI fed induction motor drive with VSI
fed induction motor drive.
4.
Discuss the effect of harmonics on induction
motor./ Discuss effect of various harmonic torques of VSI based induction motor
drive/Explain the effect of non sinusoidal supply on VSI.
5.
Explain closed loop slip control scheme for
induction motor.
6.
Explain operation of doubly fed induction
machine in sub synchronous mode.
7.
What are the advantages of V/f control over
other scalar control techniques?/Explain constant air gap flux control scheme
for induction motor drives.
8.
Draw block diagram of vector control of
induction motor.
9.
Compare Direct torque control method and field
oriented control method.
10.
Explain the d-q model of induction motor.
11.
Draw and explain block diagram of CSI variable
frequency drive with current control.
12.
Discuss the points to be considered while
selecting carrier frequency for inverter.
13.
Write a short note on static Scherbius Drive.
14.
Why dynamic model Induction motor is required?
15.
List various frames used for control of
induction motor. Explain Clarke transformation.
16.
What is DTC? Explain DTC of induction motor
using necessary block diagram.
17.
What is FOC? Explain FOC of induction motor
using necessary block diagram.
18.
Draw and explain the block diagram of close loop
control of induction motor using current limit control. Explain various
operating modes of doubly fed induction motor.
19.
Give the advantages of VSI based induction motor
drive.
20.
Give the advantages of CSI based induction motor
drive.
21.
Compare direct torque control method and field
oriented control method.
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