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.
Units: II
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.
Units: III
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.
Units: IV
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.
Units: V
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)