Branch: Electrical Engineering-VI Semester
Course: EE604 Power Electronics
Power Diodes, Transistors, Power Mosfet, IGBT, Thyristors, Triaes, GTO thyristors,T hyristor characteristics, Two-Transistor equivalent model, Turn on and Turn off di/dt protection.Thyristor performance parameters, Thyristor types, Protection thennal design of thyristors, Communication techniques- forced and natural.
Principle of phase controlled converter operation, Single-phase half wave, Full wave and semi-converters, Three phase half wave, Full wave and semi converters and inverters, Dual converters, Power factor Improvement, Symmetrical angle control, Pulse width modulation control, Effect and load and source Inductance, Design of converter circuits, Regulated DC power supplies.
Cycloconverter: Principles of operation of single and three phase cycloconverters.
Principle of phase control, Single phase ac controllers with resistance and inductance loads, Three phase as voltage controllers with resist ice and inductive loads, temperature and pan controllers, Lag Var controllers, Unity power factor controllers, Heater Design.
Principles of step down & step up choppers, Operation with R-L Load, Four quadrant choppers, Thyristor chopper circuits, Impulse commutation, Effect of source inductance, Chopper circuit design, Switched mode power suppliers, Buck-Boost regulators.
Principle of operation of voltage source inverter, Single phase and three phase inverters, Voltage control using PWM technique, Forced commutated thyristers, Current source inverters, Inverter circuit design.
EE 604 Power Electronics References:
1 M.H. Rashid, Power Electronics Circuits, Devices and Applications, Pearson
2 Education, Singapore, 1993.
3 M Ramsmoorthy, An Introduction to transistor and their application, Affiliated East-West Press.
4 P.C. Sen, Power Electonics, TMH.
5 M.D. Singh, K.B. Khanchandani, Power Electronics, TMH, Delhi, 2001.
6 Chakravarti A., Fundamental of Power Electronics and Drives, Dhanpat Ray & Co.,
7 Dr. P.S. Bhimbhra, Power Electonics, Khanna Pub.
8 Vedam Subramanyam, Power Electronics New Age International Revised II ed. 2006.
9 Randall Shaffer, Fundaments of Power Electronics With MATLAB Cengage Leaening 2008.