Power System Analysis (2) : (electrical power system, fault and analysis, the primitive network, power system stability, tree and co-tree, incidence matrices, building of network matrices, power flow studies, short circuit analysis, unbalanced fault analysis, power system stability, system model for load flow studies, the rectangular coordinates method, polar coordinates method, per unit quantities, short circuit KVA, analysis of R-L circuit, power in sequence components, line to line fault with fault impedance, double line to ground fault, transient stability ) .