Circuit models of Transmission line, Synchronous machines, Transformer and load. One line diagram, impedance and reactance diagram. Per unit system, per unit impedance Diagram of power system, Y-bus by inspection method.
Transients on a transmission line, Short-Circuit currents and the reactance of synchronous machines on load and on no load.
Analysis of unbalanced load against balanced Three-phase supply, neutral shift, Resolution of unbalanced phasors into their symmetrical components, Phase shift of symmetrical components in star-delta transformer bank, Power in terms of symmetrical components, Analysis of balanced and unbalanced loads against unbalanced 3 phase supply, Sequence impedances and networks of power system elements (alternator, transformer and transmission line) Sequence networks of power systems.
L-G, L-L, L-L-G faults on an unbalanced alternator with and without fault impedance. Unsymmetrical faults on a power system with and without fault impedance. Open conductor faults in power system.
Steady state and transient stability. Rotor dynamics and the swing equation. Power angle equation for salient and non-salient pole machines, Equal area criterion for transient stability evaluation and its applications.