Nature of faults in electrical systems, fault calculations, symmetric and asymmetric faults – method of sequence components –
sequence networks.
Protective relays and their applications to power apparatus and systems.
Principles of circuit breakers – different types, oil circuit breakers, air circuit breakers, vacuum circuit breakers, SF6 – circuit breakers
, their uses and comparison.
Steady state stability : Power angle equation. Maximum power in terms of T-parameters. Transient stability of power system.
Dynamics of synchronous machine. Power angle equation. Node elimination technique. Transient stability. Equal area criterion.
Swing equation. Critical clearing angle. Factors affecting transient stability.
Computer methods in Power System Analyses, load Flow Studies.