Syllabus Power Electronics - (BE04009031) Total Credits Assessment Pattern and Marks Total Marks Theory Tutorial / Practical ESE(E) PA/CA (M) PA/CA (I) TW/SL (I) ESE (V) 4 70 30 20 30 50 200 Sr. No. Content 1. Power Semiconductor Devices : Construction, characteristics and ratings of MOSFET, Insulated Gate Bipolar transistors (IGBTs), SCR, TRIACs, Unijunction transistor (UJT), Silicon carbide (SIC), Gallium nitride devices, Intelligent Modules, snubber circuits, Firing circuit for thyristors; Gate drive circuits for MOSFET and IGBT. (Chapters - 1 and 6) 2. AC-DC Controlled Converters : Single phase half and fully controlled converters: Performance analysis with R and RL load under continuous and discontinuous conduction modes, harmonics, input power factor; Concepts of PWM and phase-angle control; Effect of source impedance; Three-phase half and fully controlled converter : Performance analysis, harmonics, input power factor; Dual converters. (Chapter - 4) 3. DC-DC Converters : Buck, Boost and Buck-Boost DC-DC converters, design equations, Time Ratio Control (TRC) and Current Limit Control (CLC) control strategies; multi-quadrant operation; forward and fly-back converters; EMI/EMC issues; zero-voltage switching (ZVS) and zero-current switching (ZCS) concepts. (Chapter - 2) 4. DC-AC Converters : Inverter types, Single phase and three phase voltage source inverters (120° and 180° mode) : analysis under R and RL loads, harmonic analysis; PWM control techniques : Square-wave, sinusoidal, modified sinusoidal and space-vector, selective harmonic elimination; Output voltage and frequency control, Harmonic spectrum, Harmonics and its effects, Applications. (Chapter - 3) 5. AC-AC Converters : Single-phase and three-phase AC voltage regulators : Circuit configurations, performance analysis, harmonic analysis; Cyclo-converters; Matrix converters, principle of on-off control, basic principle of operation – single-phase to single-phase, multi-phase cycloconverters. (Chapters - 5 and 6) 6. Applications of Power Electronics Converters : Electrical drives, high voltage DC Transmission, renewable energy-based systems – solar & wind, power quality improvement, electric vehicles, energy storage solutions. (Chapter - 7)
