INTERCONNECTED POWER SYSTEM (170901) MID SEM 2 SYLLABUS FOR 7TH SEM

1. Introduction:  Concept of Interconnection, Hierarchical Grid arrangements, Cascade Tripping, Islanding, Load dispatch centre.  

2. Power system matrices: Brief explanation of Graph theory, Primitive Network, Ybus formation methods, Singular transformation method, Direct method, Algorithm for formation of Zbus, Addition branch and link, Removal of elements, Numerical.
 

3. Load flow studies: Introduction, Static Load Flow Equations, Bus Classifications, Approximate  method, Gauss-Seidel Method, Newton Raphson Method, Fast Decoupled Load Flow Method, Comparison of different methods, Numerical.

4. Economic operation of power systems: Generator   operating cost, Economic operation of generators within thermal plant, Optimal operation by co-ordination equation, Penalty factor, Derivation of transmission loss formula (Kron’s method), Unit commitment problem solution by dynamic programming, Numerical.

5.Frequency and voltage control methods: Speed governing mechanism, Mathematical modelling, Adjustment of Governor characteristics, Single area control, Flat frequency control, Selective frequency control, Tie line load bias control, Methods of voltage control, Numerical.    

6. Power system stability:Introduction, Classification of stability studies, concept of load angle and infinite bus, Power angle curve, Swing equation, Solution of swing equation, Steady state stability analysis, Methods of improving  Steady state stability , Transient stability analysis, step by step method,  Methods of improving Transient stability, Equal area criteria, Single Machine infinite bus stability studies,Numerical.