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Module I (6 hrs.)
Power Semiconductor Devices
Introduction to power electronics, uncontrolled switches, semi-controlled switches, fully controlled switches, constructional features, operating principle, characteristics and specification of power semiconductor devices, hard and soft switching of power semiconductors switches.
Module II (3 hrs.)
R- triggering, R-C triggering, UJT triggering, design of UJT triggering circuit.
Module III (8 hrs)
AC to DC Converter
Overview of rectifiers, half wave uncontrolled rectifier with R load and R-L load, use of freewheeling diode, half wave rectifier R-L load with FWD, full wave bridge uncontrolled rectifier, half wave controlled rectifier with R load, R-L load and R-L load with free-wheeling diode, half controlled bridge rectifier, fully controlled bridge rectifier, effect of source inductance on the performance of ac to dc converters, power factor improvement, harmonic reduction, filter design.
Module IV: (10 hrs.)
DC to DC Converter
Introduction to chopper (Type A, B, C, D, E), switching techniques, step down dc chopper with R load, R-L-E load, step up dc chopper with R, R-L, R-L-E load, buck regulator, boost regulator, Buck-boost regulator, CUK and SEPIC converter, commutation of thyristor based circuits part-I, commutation of thyristor based circuits part-II, introduction to SMPS circuits, fly back type SMPS, forward type SMPS, design of transformer for SMPS circuits.
Module V (6 hrs.)
DC to AC Converter
Introduction to inverters, importance and application of inverters, single phase half bridge inverter with R and R-L load, single phase bridge inverter with R and R-L load, three phase inverters, control techniques of inverter, single/multiple pulse width modulation, sinusoidal pulse width modulation and its realization, CSI, load-commutated CSI, industrial inverter.
Module VI (3 hrs.)
AC to AC Converter
AC voltage controller: Single phase bi-directional controllers with R and R-L load, single phase cyclo-converters.
Module VII (9 hrs)
Application of Power Electronics Converters
Analysis of converter fed dc drives, analysis of chopper fed dc drives, analysis of VSI, CSI fed induction motor drives, automotive & traction System, industries as rolling mills, pumps, elevators, utility systems as FACTs, smart grid, renewable energy as wind turbine.
Simulation of V-I characteristics of power diode & power transistor.
Simulation of V-I characteristics of MOSFET & IGBT.
Simulation of V-I characteristics of silicon-controlled rectifier.
Simulation of R and RC triggering.
Simulation of UJT triggering.
Simulation of single phase half-wave and full-wave diode rectifier using R & L load.
Simulation of single phase fully controlled converter using R & L load.
Simulation of single phase semi converter using R-L load.
Simulation of 3-phase semi converter with R, R-L and dc motor load with/without freewheeling diode.
Simulation of 3-phase bridge converter with R, R-L and dc motor load with/without freewheeling diode.
Simulation of buck converter.
Simulation of boost converter.
Simulation of buck boost converter.
Introduction to inverters, importance and application of inverters, single phase half bridge inverter with R and R-L load, single phase bridge inverter with R and R-L load.