2K6 AEI 705(B) POWER ELECTRONICS AND DRIVES
Module: I 12 Hrs
Power semi conductor devices – power diodes – types – Power MOSFETs –
Characteristics – Thyristor – Characteristics – types – Single phase and three phase rectifiers –
controlled and uncontrolled rectifiers – full wave and half wave rectifiers – Design of converter
circuits – sinle phase AC voltage converters – cyclo converters
Module: II 13 Hrs
Thyristor commutation techniques – natural and forced commutation – DC Choppers –
step up and step down choppers – classification of choppers into classes – Inverters – single
phase and three phase – voltage control of inverters – PWM Inverters
Introduction to Industrial drives – Block Diagram – Necessity of electrical Drives in
industry – Working
Module: III 13 Hrs
Braking of series and separately excited DC motor – Transfer function of series and
separately excited DC motors – Torque-slip Characteristics – Operation with different types of
load (R and RL) – DC motor with single phase and three phase converters operating in different
modes – CLC and TRC strategies for DC machines – Analysis of DC motors fed from different
Choppers
Module: IV 14 Hrs
Introduction to Induction motor drives – Operation of induction motor with non
sinusoidal supply wave forms- Variable frequency operation of 3 phase Induction motor –
Constant flux operation – Current fed operation – Dynamic and regenerative braking of inverter
fed ac drives – torque equations – Constant torque operations – TRC Strategy – Stator voltage
control – rotor resistance control – principle of vector control – FOC
Reference Books
1. Muhammed H. Rashid, Power Electronics, Circuits, devices and application, PHI
2. Ramamurthy M., Thyristers and their application, EWP.
3. Dubey G. K., Power semiconductor controlled drives, Prentice Hall International,
New Jersy, 1989.
4. Bimal K Bose Modern Power electronics and AC Drives,”Pearson education asia 2002.
5. Krishnan. R, “Electrical Motor Drives- Modeling, Analysis and Control “Prentice Hall of
India Pvt Ltd., 2nd Edition , 2003
6. Paul .C.Krause, Oleg wasyncznk, Scott.D. Sudhoff “Analysis of Electric Machinery and
Drive Systems”, 2nd edition , Wiley Interscience, John wiley & Sons, 2002.
7. Werner Leonard, Control of Electrical Drives’ 3rd edition, Springer, 2001.