Power electronics Devices and Drives:
Introduction, Power Devices and Switching, Motor Drives.
Modelling of DC Machines:
Theory of Operation, Induced emf, Equivalent Circuit and Electromagnetic Torque, Electromechanical Modelling, Block Diagram and Transfer Functions, Field Excitation, Measurement of Motor Constants, Flow chart for Computation.
Phase – Controlled DC Motor Drives:
Introduction, Principles of DC motor Speed Control, Phase Controlled Converters, Steady - State Analysis of the Three Phase Controlled DC Motor Drives.
Phase – Controlled DC Motor Drives (continued):
Two – Quadrant Three Phase Controlled DC Motor Drive, Transfer Functions of the Subsystems, Design of Controllers, Two – Quadrant DC Motor Drive with Field Weakening, Four – Quadrant DC Motor Drive, Converter Selection and Characteristics, Simulation of the One – Quadrant DC Motor Drive, Harmonics and Associated Problems, Sixth Harmonic Torque, Application Considerations, Applications, Parameter Sensitivity.
Chopper – Controlled DC Motor Drive:
Introduction, Principle of operation of Chopper, Four – Quadrant Chopper Circuit, Chopper for Inversion, Chopper with Other Power Devices, Model of the Chopper, Input to the Chopper, Other Chopper Circuits, Steady – State Analysis of Chopper – Controlled DC Motor Drive, Rating of the Devices.
Chopper – Controlled DC Motor Drive (continued):
Pulsating Torques, Closed – Loop Operation, Dynamic Simulation, Applications.
PolyPhase Induction Machines:
Introduction, Construction and Principle of Operation, Induction Motor Equivalent Circuit, Steady - State Performance Equations of the Induction Motor, Steady - State Performance, Measurement of Motor of Induction Motor, Dynamic Modelling of Induction Motor.
PolyPhase Induction Machines (continued):
Dynamic Simulation, Small – Signal Equations of the Induction Machine, Evaluation of Control Characteristics of the Induction Machine, Space – Phasor Model, Control Principle of the Induction Motor.
Phase – Controlled Induction Motor Drives:
Introduction, Stator – Voltage Conrtaol, Slip – Energy Recovery Scheme.
Frequency – Controlled Induction Motor Drives:
Introduction, Static Frequency Changers, Voltage Source Inverter – Driven Induction Motor.