UNIT 1:
Switching characteristics,
Switching characteristics,
Structure, and operating characteristics of Power Diode,
Switching characteristics,
firing and protection circuits
Switching characteristics,
UNIT 2:
C-DC Converters: 2 pulse, 3 pulse and 6 pulse converters
performance parameters – effect of source impedance
DC to DC converters: step down chopper
uck, boost, buck boost converter
UNIT 3:
Single phase and three phase voltage source inverters
PWM techniques – Current source inverters
three phase voltage source inverters (120áµ’ &180áµ’ mode)
three phase voltage source inverters (120áµ’ &180áµ’ mode)
Single phase AC voltage controllers,
Single phase cyclo converters
Introduction to matrix converters
UNIT 4:
Fundamentals of Drive dynamics
Modes of operation –Characteristics of electrical
mechanical loads-Classes of duty
Single phase and three phase converter fed D.C motor drive
Braking and speed reversal of DC motor drives using choppers
rotor resistance control-slip power recovery schemes
UNIT 5:
voltage source and current source inverter fed induction motor drives
Synchronous motor control
analysis with electronic commutation
stator current control and marginal angle control
stator current control and marginal angle control
Voltage source and current source inverter fed induction motor drives
