Content Beyond Syllabus:
Power Loss Calculation of MOSFET
Bidirectional DC to DC Converter
UNIT 1:
Introduction to the Course
Power diode-construction, principle and characteristics
Study of switching devices
SCR-construction, principle, characteristics and snubber
TRIAC-construction, principle and characteristics, GTO
Switching losses, Triggering and commutation circuits for SCR
Power BJT-construction, principle, characteristics and driver
IGBT-construction, principle, characteristics, SOA
MOSFET-construction, principle, characteristics
IGCT-construction, characteristics and principle
UNIT 2:
Principle of phase control, one pulse converter
2 pulse converter-single phase fully controlled converter
Single phase semiconverter
3 pulse converter-Half wave controlled rectifier
6 pulse converter-Fully controlled bridge converter
Three phase semiconverter
Effect of source inductance, Firing schemes for converters
UNIT 3:
Introduction to choppers, classification, principle
Control strategies-TRC, CLC
Step-down and step-up choppers
Switch mode regulators-Buck and Boost converters
Buck-Boost converter and cuk converter
Introduction to resonant converters
Applications-Battery operated vehicles
UNIT 4:
Inverters-classification, single phase full bridge and half bridge
Harmonic control and reduction
Three phase bridge inverters-180 degree mode and 120 degree mode
Half bridge and full bridge PWM inverters
SinPWM, Modified SinPWM, SVPWM techniques
PWM control techniques-SPWM, MPWM
Voltage control of inverters
Applications-Induction heating, UPS
UNIT 5:
Three phase AC voltage controllers
Single phase AC voltage controllers
Multistage sequence control
Control strategies-Power factor control
Single phase to single phase cyclo converter
Three phase cyclo converters
Introduction to integral cycle control
