Electrical Circuit Analysis - Voltage and current sources, Dependent and independent sources, Source conversion, DC circuits analysis using mesh and nodal method, Thevenin’s and superposition theorem, Star-delta transformation.
1-phase AC circuits under sinusoidal steady state, Active, Reactive and apparent power, Physical meaning of reactive power, Power factor, 3-phase balanced and unbalanced supply, Star and delta connections.
Transformers - Review of laws of electromagnetism, mmf, Flux, and their relation, Analysis of magnetic circuits. Single-phase transformer, Basic concepts and construction features, Voltage, current and impedance transformation, Equivalent circuits, Phasor diagram, Voltage regulation, Losses and efficiency, OC and SC test.
Rotating Electric Machines - Constructional details of DC machine, Induction machine and synchronous machine, Working principle of 3-phase induction motor, Emf equation of 3-phase induction motor, Concept of slip in 3-phase induction motor, Explanation of torque-slip characteristics of 3-Phase induction motor, Classification of self excited DC motor and generator.
Digital Electronics - Number systems used in digital electronics, Decimal, Binary, Octal, Hexadecimal, Their complements, Operation and conversion, Floating point and signed numbers, Demorgan’s theorem, AND, OR, NOT, NOR, NAND, EX-NOR, EX-OR gates and their representation, Truth table, Half and full adder circuits, R-S flip flop, J-K flip-flop.
Electronic Components and Circuits - Semiconductors, Diodes, V-I characteristics, Bipolar junction transistors (BJT) and their working, CC, CB and CE transistor configurations, Different configurations and modes of operation of BJT, DC biasing of BJT.