COMPUTER APPLICATIONS IN POWER SYSTEMS

Course Objective: Objective of the course is to introduce computer applications in analysis of power systems

Syllabus:

Elementary linear graph theory - Incidence and network matrices.  Development of network matrices from Graph theoretic approach, Building algorithm for Bus impedance matrix, Modification of Z_Bus matrix due to changes in primitive network.

Power system components and their representation – Synchronous machine, transmission system, three phase power network.

Load Flow Studies: Overview of Gauss, Gauss- Seidel and Newton Raphson Methods, Decoupled Newton Load Flow, Fast Decoupled Load Flow, AC/DC load flow, Three phase Load Flow – Sparsity techniques – Triangular factorization – Optimal ordering – Optimal load flow in power Systems.

Incorporation of FACTS devices in Load Flow: Static Tap Changing, Phase Shifting (PS), Static Var Compensator (SVC), Thyristor Controlled Series Compensator (TCSC) and Unified Power Flow Controller (UPFC)

Short Circuit studies – Types of Faults – Short circuit study of a large power system – Algorithm for calculating system conditions after fault – three short circuit, three phase to ground , double line to ground, line to line and single line to ground fault – Short circuit studies using bus admittance matrix.

References:

1. ‘Computer methods in Power system Analysis’

–         Stagg and El Abiad

–         McGraw Hill, 1968

2. ‘Computer Aided Power System Analysis’

–         G L Kusic

–         Prentice Hall, 1986

3. ‘Computer modeling of Electrical Power Systems’

–         J Arriliga and N R Watson

–         Wiley, 2001

4. ‘Advanced Power Systems analysis and dynamics’

–         L P Singh

–         New Age Intl. Publishers, 1983

5. ‘Modern Power system Analysis’

–         I J Nagrath and D P Kothari

–         Tata McGraw Hill, 1980