Module - 1
Introduction - Applications of Power Electronics, Power Semiconductor Devices, Control Characteristics of Power Devices, types of Power Electronic Circuits, Peripheral Effects. Power Transistors : Power BJTs : Steady state characteristics. Power MOSFETs : device operation, switching characteristics, IGBTs : device operation, output and transfer characteristics, di/dt and dv/dt limitations. (Chpater - 1)
Thyristors - Introduction, Principle of Operation of SCR, Static Anode-Cathode Characteristics of SCR, Two transisitor model of SCR, Gate Characteristics of SCR, Tum-ON Methods, Turn-OFF Mechanism, Tum-OFF Methods : Natural and Forced Commutation - Class A and Class B types, Gate Trigger Circuit : Resistance Firing Circuit, Resistance capacitance firing, circuit, UJT Firing Circuit. (Chapter - 2)
Conlrolled Rectifiers - Introduction, Principle of Phase-Controlled Converter Operation, Single-Phase Full Converter with RL Load, Single-Phase Dual Converters, Single-Phase Semi Converter with RL load.
AC Voltage Controllers - Introduction, Principles of ON-OFF Control, Principle of Phase Control, Single phase controllers with resistive and inductive loads. (Chapter - 3)
DC-DC Converters - Introduction, principle of step-down operation and it's analysis with RL load, principle of step-up operation, Step-up converter with a resistive load, Performance parameters, Converter classification, Switching mode regulators : Buck regulator, Boost regulator, Buck-Boost Regulators, Chopper circuit design. (Chapter - 4)
Pulse Width Modulated Inverters - Introduction, principle of operation, performance parameters, Single phase bridge inverters, voltage control of single phase inverters, current source inverters, Variable DC-link inverter, Boost inverter, Inverter circuit design.
Static Switches : Introduction, Single phase AC switches, DC Switches, Solid state realys, Microelectronic relays. (Chapter - 5)