UNIT 1: SEMICONDUCTOR POWER DEVICES – Basic characteristics & working of Power Diodes, Diac, SCR, Triac, Power Transistor, MOSFETs, IGBT, and GTO.
UNIT 2: RECTIFIERS & INVERTERS – Working principles of single and three phase
bridge rectifiers, Voltage and current source inverters.
UNIT 3: POWER SUPPLIES: Principle of operation of choppers. Step up, Step down and reversible choppers. High frequency electronic ballast, Switch Mode Power Supply: Fly back converter, forward/buck converter, Boost converter and buck-boost converter. Uninterruptible Power Supply.
UNIT 4: MOTOR CONTROL:Introduction to speed control of DC motors using phase controlled converters and choppers, Basic idea of speed control of three phase induction motors using voltage and frequency control methods.
UNIT 5:Stepper Motors: Variable reluctance, Permanent mag
net and hybrid stepper motors. Induction and dielectric heating control.

Unit 1
Unit 2
Unit 3
Unit 4
Unit 5

Chapter No.1
System of forces, Fundamental laws of mechanics, Composition of forces, Free body diagram, Lami’s theorem, Rectilinear motion, plane curvilinear motion, Projectile motion, Newton’s law of motion, D’Alembert’s principle.
Chapter No.2
Moments and couple, Varignon’s theorem, condition of equilibrium. Impulse, momentum, Impulse – Momentum relation, Impact.
Chapter No.3
Types of support and loading, reaction, Analysis of simple trusses by methods of joints and method of sections.
Chapter No.4
Laws of Coulomb friction, Ladder, Wedges, Belt friction and rolling, Principle of virtual work and its applications.
Chapter No.5
Location of centroid and center of gravity, area moment of inertia, mass moment of inertia.
Chapter No.6
Work, energy (Potential, Kinetic and Spring), Work – Energy relation, Law of conservation of energy, Constrained motion of connected particles