Power System – II L 3 T 1 P 0 PREREQUISITE : NIL Unit – 1 Power Flow Solutions Network model formulation, Formation of Y-Bus by singular transformation, Power flow problem formulation, Gauss – Seidal method, Newton Rapson Method Unit – II Economic Dispatch Optimal operation of generators on a Bus Bar, optimal unit commitment, reliability considerations, optimum generation scheduling, optimal load flow solutions, optimal scheduling of hydrothermal system Unit – III Automatic Generation Control & Automatic Voltage Regulator Load frequency control single area (Single area case), Load frequency control and economic dispatch control, two area load frequency control, optimal two area load frequency control, automatic voltage control, load frequency control with generation rate constraints Unit – IV Power system stability Dynamics of a synchronous machine, power angle equation, single machine connected to infinite bus, two machine system, steady state stability, transient stability, equal area criterion. Unit – V ELECTRIC TRACTION: Introduction, speed – time curves, Series Parallel method of speed control open circuit transition, collection of currents, bow collector, pantograph collectors, Different types of electric braking, reverse current, rheostatic and regenerative braking. Illumination Introduction, Laws of illumination Textbooks: 1. DP Kothari, I J Nagrath, “Modern power system analysis”, Tata Mcgraw Hill Higher education, 2006. 2. C. L. Wadhwa “Generation, Distribution And Utilization Of Electrical Energy”, New Age International (P) Limited, Publishers. Reference Books: 1. C. L. Wadhwa “Electrical Power Systems” New Age International (P) Limited, Publishers. 2. Openshaw Taylor, “Utilisation of electric energy”, the English universities press ltd.