8EE2 ELECTRIC DRIVES AND THEIR CONTROL

Unit-1 Dynamics of Electric Drives: Fundamental torque equations, speed-torque conventions and multiquardant operation, equivalent values of drive parameters, nature and classification of load torques, steady state stability, load equalization, close loop configurations of drives.
Unit-2 DC Drives: Speed torque curves, torque and power limitation in armature voltage and field control, Starting, Braking-Regenerative Braking, dynamic braking and plugging. Speed Control-Controlled Rectifier fed DC drives, Chopper Controlled DC drives.
Unit-3 Induction Motor Drives-I: Starting, Braking-Regenerative braking, plugging and dynamic braking. Speed Control-Stator voltage control, variable frequency control from voltage source, Voltage Source Inverter (VSI) Control.
Unit-4 Induction Motor Drives-II: Variable frequency control from current source, Current Source Inverter (CSI) Control, Cycloconverter Control, Static rotor resistance control, Slip Power Recovery- Stator Scherbius drive, Static Kramer drive.
Unit-5 Synchronous Motor Drive: Control of Synchronous Motor-Separately Controlled and VSI fed Self-Controlled Synchronous Motor Drives. Dynamic and Regenerative Braking of Synchronous Motor with VSI. Control of Synchronous Motor Using Current Source Inverter (CSI)

Reference/Suggested Books
1. G K Dubey: Fundamentals of Electrical Drives, Narosa Publishing House, New Delhi.
2. V Subrahmanyam: Thyristor Control of Electric Drives, Tata McGraw Hill, New Delhi.
3. V Subrahmanyam: Electric Drives- Concepts and Applications, Tata McGraw Hill.
4. S K Pillai: A First Course on Electrical Drives, Wiley Eastern limited, India.