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1) Describe the operation of three-phase star-connected squirrel cage induction motor when fed from a three phase A.C. controllers for its starting and speed control purpose. Give neat circuit diagram, necessary waveforms and speed-torque characteristics.

2) Describe in detail the current fed inverter control of induction motor drive.

3) Describe how speed and flux control in current fed inverter drive can be achieved by Volts / Hertz control.

4) Describe in detail various modes of operation of static scberibus drive.

5) Describe in detail the following vector control methods of induction motor drive:

a) Adaptive Control

b) Self tuning regulator model reference control

6) Describe in detail about operation of synchronous motor with neat and well labelled diagram and also describe its characteristics.

7) Describe the designing and operation of maximum permissible torque speed control scheme with its implementation strategy

8) Describe in detail torque production and operation of variable reluctance motor drive.

9) Describe the operation and characteristics of current controlled brushless DC servo drives.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M910667

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