Module 1
DC motors: Methods of Speed control – single phase rectifiers with motor loadsingle
phase fully controlled bridge rectifier drives – half controlled bridge
rectifier drives – freewheeling with regeneration – speed torque characteristics –
power in load and source circuits
Module 2
3 Phase fully controlled bridge rectifier drives – free wheeling, freewheeling with
regeneration – Dual converter fed DC motor drives – chopper fed drives – single,
two and four quadrant chopper drives
Module 3
(Qualitative treatment only)
Speed control of 3 Phase induction motors – stator voltage control – principle –
controller configurations – operation and applications
Slip power recovery scheme – principle – static Kramer’s drive – static Scherbius’
drive – applications
V/f control – constant torque and constant power control
Module 4
(Qualitative treatment only)
Voltage Source Inverter – Application to induction motor drives – v/f, e/f, flux
weakening schemes of control – applications
PWM inverter drive
Current Source Inverter – application to induction motor drives – operation under
fixed frequency – operation under variable frequency – applications
Module 5
(Qualitative treatment only)
Speed control of synchronous motors – adjustable frequency operation of
synchronous motors – principles of synchronous motor control – Voltage Source
Inverter Drive with open loop control – self controlled synchronous motor with
electronic commutation – self controlled synchronous motor drive using load
commutated thyristor inverter.