Circuit models of Transmission line,Synchronous machines, Transformers and load. Single line diagram, impedance and reactance diagrams.Per unit system, per unit impedance diagram of power system.
Analysis of Synchronous machines and Power system.Transients on a transmission line, Short-Circuit currents and the reactance of synchronous machines with and without load
Introduction, 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. Measurement of sequence impedance of synchronous generator.
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.
Introduction, Steady state and transient stability. Rotor dynamics and the swing equation. Equal area criterion for transient stability evaluation and its applications.
Analysis of three phase induction motor with one line open., Analysis of three phase induction motor with unbalanced voltage.