Course Content:
Basic principles of power
electronics; and power electronic semiconductor devices. Calculation of losses
in power semiconductor devices; (conduction loss, switching loss). Heat sink
design. Design of snubber circuits. Gate drive circuits and isolation. Single
phase AC choppers. Rectifiers. Single phase uncontrolled (diode) bridge
rectifiers. Smoothing methods. Power factor. Single phase controlled
(thyristor) bridge rectifiers. Analysis of three phase half-bridge
uncontrolled(diode) / controlled (Thyristor) rectifiers. Freewheeling
operation. Three phase full-bridge uncontrolled (diode) rectifiers.
Characteristics of line current. Three phase full-bridge controlled (Thyristor)
rectifiers. Switch mode power supplies; Flyback converter, Buck converter,
Boost converter. Single Phase Inverter. Voltage and frequency control methods
for the single-phase inverter: Quasi-square wave and PWM techniques. Analyze of
the single phase inverter. Harmonic analysis. Modulation index,
frequency ratio. PWM generation.