DC Networks: Kirchhoff's laws, node and mesh analysis, Delta-star and star-delta
transformations. Superposition, Thevenin’s and Norton's theorem. Transients in RL,
R-C and R-L-C circuits with DC Excitation. Single Phase AC Circuits: Single phase EMF generation, average and effective values of sinusoids, j operations, complex representation of impedances, phasor diagrams, power factor, power in complex notation, solution of series and parallel circuits. Introduction to resonance in series RLC circuit. Three Phase AC Circuit: Three phase EMF generation, delta and star connection, Line and Phase quantities. Solutions of 3-phase circuits with balanced load. Power in 3-phase balanced circuits.
Magnetic Circuits: B-H Curve, Hysteresis, Permeability and reluctance, solution of
simple magnetic circuits, Hysteresis and Eddy current losses. DC Generator: Different types, Principle of Operation of DC generator, EMF equation, methods of excitation. DC Motor: Back e.m.f., speed and torque of a DC Motor, Conditions for maximum Power. Speed control of DC shunt motor. Transformers: Construction and Principle of operation of single-phase transformer, EMF equation, Single-phase autotransformer.
Three phase Induction Motor: Construction and principle of operation, types; Sliptorque characteristics.
Synchronous Machines: Construction & principle of operation of Synchronous generator and motor. EMF equation, Voltage regulation, Applications and starting of Synchronous motor. Introduction to single-phase induction Motor.
Measuring Instruments: DC PMMC instruments, Extension of range by shunts and
multipliers. Moving iron ammeters and voltmeters, Dynamometer type Watt meters, Induction type Energy Meter. Power supply systems: Principle of generation - thermal, hydel and nuclear. Transmission and distribution of electric energy. Introduction to Electric Heating & Welding.