Power Electronics

Power semiconductor devices, Switching and V-I characteristic of devices r nThyristor family SCR, TRIAC,GTO,RCT,MCT, and Transistor Family, BJT, IGBT, and MOSFET r nTriggering Methods, SCR UJT and R-C triggering scheme, Power Transistor r nMOSFET Gate drive, BJT base drive, IGBT gate drive, Isolation of gate and base drive

Protection of Devices, SCR, Over voltage, over current, dv/dt, di/dt, Gate Protection Transistor protection of power BJT, IGBT and power MOSFET, dv/dt di/dt limitation

Un controlled Diode rectifier, Single phase half wave and full wave rectifiers with R-L and R -L-E load ,3 phase bridge rectifier with R-L and R-L-E load

Controlled Rectifiers, Principle of phase controlled converter operation, single phase full converter with R-L and R-L-E load,3 phase full converter with R-L and R-L-E load ,single phase semi converter with R-L and R-L-E load, 3 phase semi converter with R-L and R-L-E load Single phase PWM rectifier, Three phase PWM rectifier

AC AC converter, AC voltage controller, Single phase bi-directional controllers with R and R-L load, single phase cycloconverters, ac-voltage controllers with PWM control

DC to DC converter, Classification, First quadrant, second quardrant, first and second quardrant, third and fourth quardrant, fourth quardrant converter, Switching mode regulators Buck regulators, Boost regulators, Buck-Boostregulators, Cuk regulators, Isolated Types, Fly Back Converters, Forward converters, Push Pull Converters, Bridge Converter

DC to AC converter, Inverters, PWM inverters, Single phase Bridge Inverters, 3-Phase Inverters-180 deg conduction, 120 deg Conduction, voltage control of 3-Phase Inverters, Sinusoidal modulation, Current Source Inverter, inverters, Zero Voltage Switching resonant inverter

Applications, UPS, SMPS, Battery, Chargers, Electronic Ballast, Static VAR Compensator