Syllabus
Introduction: Electro-mechanical energy conversion, classification of electric drives,requirements of electric drives, four quadrant operation, selection of motors for different applications.
DC Motor Drives:DC-DC Converter fed drives, basic concepts, closed loop control, stability.
Asynchronous Motor Drives: Modeling of induction motors, reference frame theory, speed-torque characteristics, scalar control of induction motors, closed-loop operation, vector control and field orientation, sensor- less control, direct torque and flux control.
Synchronous Motor Drives: Control of Brushless DC (BLDC) motor drives: modeling, commutation schemes, sensorless control, direct torque control. Control of wound rotor synchronous motor drives and permanent magnet synchronous motor (PMSM) drives: Vector control, direct torque control, field weakening operation.
Control of special electric motors: Switched reluctance motor, stepper motor, synchronous reluctance motor.
Text Books
Same as Reference
References
1. Paul C Krause, Oleg Wasynczuk, Scott D Sudhoff, Analysis of Electric Machinery and Drive System, Wiley Inter-science.
2. Leonhard W., Control of Electrical Drives, Springer-Verlag, 1985.
3. Krishnan, R., Electric Motor drives: Modeling, Analysis and Control, Prentice Hall.
4. Bin Wu, High Power Converters and AC Drives, IEEE Press
5. B.K.Bose, Power Electronics and AC Drives, Prentice Hall.
Course Outcomes (COs):
CO1: Evaluate electric drive, converter and load requirements for various applications
CO2: Analyse classical models and scalar control methods for AC Motor drives
CO3: Understand the dynamic model of AC Motors and special machines
CO4: Apply vector control-based strategies for speed control of AC motor drives