7 EE2 POWER SYSTEM ANALYSIS
 

1. Percent and per Unit Quantities. Single line diagram for a balanced 3-phase system.

2. SYMMETRICAL FAULT ANALYSIS: Transient in R-L Circuit. Symmetrical and asymmetrical short circuit currents in synchronous generator. Equivalent circuits of synchronous machine under sub transient,transient and steady state conditions. Analysis of three phase faults.

3. SYMMETRICAL COMPONENTS: Fortescue theorem, symmetrical component transformation phase shift in star-delta transformer. Sequence impedances of synchronous machine, transformers and transmission lines. Zero sequence network of transformers and transmission lines construction of sequence networks of a power system.

4. UNSYMMETRICAL FAULT ANALYSIS: Signal line to ground, line-to-line and double line to ground faults connection of sequence networks under fault conditions. Analysis of unsymmetrical faults using symmetrical components.

5. LOAD FLOW ANALYSIS: Static load low equations (SLFE). System variables solution of SLFE, Bus admittance matrix. Bus classification Load flow problems. Gauss seidel newton Raphson decoupled and fast decoupled methods for load flow analysis comparison of methods.

RECOMMENDED BOOKS.

1. J.J. Grainger,William, D.Stevenson Jr Power system Analysis.

2. C L Wadhwa, Electrical power system.

3. Nagrath and kotari,power system engineering