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Course Co-ordinated by :
IIT Roorkee
Course Available from :
12-July-2012
NPTEL
Electrical Engineering
Computer Aided Power System Analysis (Web)
Modern power system operation and control, different types of power system analysis
Modules / Lectures
General Introduction
Modern power system operation and control, different types of power system analysis
AC power flow analysis
Introduction, modeling of power system components and formation of YBUS matrix
Formation of YBUS matrix in the presence of mutually coupled elements
Basic power flow equations and Gauss-Seidel load flow technique
Example of Gauss-Seidel load flow technique
Newton-Raphson (polar) load flow technique
Example of Newton-Raphson (polar) load flow technique
Newton-Raphson (rectangular) load flow technique
Example of Newton-Raphson ( rectangular ) load flow technique
Fast decoupled load flow technique
Example of Fast decoupled load flow technique
A.C.-D.C. load flow technique
Example of A.C.-D.C. load flow technique
Sparse Matrices
Introduction to Sparsity and Gaussian elimination technique
Example of Gaussian elimination technique, Optimal ordering and LU factorization
Algorithm & example of LU factorization, storage scheme for sparse matrices
Analysis of faulted power system
ZBUS matrix formulation without mutual impedance
ZBUS matrix formulation without mutual impedance (continued)
Example of ZBUS matrix formulation
ZBUS matrix formulation considering mutual coupling between elements
Example of ZBUS matrix formulation in the presence of mutual coupling
Symmetrical Fault analysis & introduction to symmetrical components
Sequence networks of power system components
LG, LL,LLG fault analysis using sequence networks
Unbalance fault analysis using of ZBUS matrix
Example of fault calculations for three-phase and LG faults
Example of fault calculations for LL and LLG faults
Open conductor fault analysis
Example of Open conductor fault analysis
Security Analysis
Introduction, concept of GOSF, LOSF and D.C. load flow
Calculation of GOSF and determination of Thevenin’s equivalent impedance
Calculation of LOSF with an example
Analysis of multiple contingencies
Analysis of multiple contingencies (continued)
Example of multiple contingency analysis and contingency ranking methods
Stability Analysis
Classification of power system stability, equation of motion of a synchronous generator
Basics of transient stability analysis with Partitioned Explicit technique
Techniques for numerical integration with modified Euler’s method and Runge-Kutta 4th order method
Example of transient stability analysis using modified Euler’s method
Example of transient stability analysis using Runge-Kutta 4th order method
Basics of Small signal analysis and linearization of network equations at generator buses
linearization of network equations at load buses
Formation of system state matrix and example of small signal stability analysis
Introduction to voltage stability
Relation between PL, QL and V
Criteria for assessing voltage stability
Appendix-A System Data
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