# Computer Methods In Power System Analysis - [2710711]

#### Teaching Scheme

 Theory Tutorial Practical Total 3 0 2 5

#### Examination Scheme

 Theory Examination Practical Examination Total ESE (E) PA (M) ESE Viva (V) PA (I) 70 30 30 20 150

ESE = End Semester Examination, PA = Progressive Assessment

#### Network Formulation and Graph Theory:

Introduction, Network Equations, Graph Theory, Development of Network Matrices from Graph Theoretic Approach, Augment Cut-set Incidence Matrix Cut-set and Circuit Equations, Building Algorithm for the Bus Impedance Matrix Modification of ZBUS matrix due to changes in the primitive network

#### Load Flow Studies:

Introduction, Different techniques such as Gauss Saidal method, Newton Raphson method, De-Coupled method, Fast Decoupled method, Modified Fast Decoupled, Concept of Optimal Power Flow, Solution of Optimal power flow by Gradient method, Solution of Optimal power flow by Newton’s method Linear Programming Methods, DC load flow, Continuation Power flow

#### Power System Security:

Introduction, Factors Affecting Power System Security, Short Circuit Studies of a Large Power System Networks, Symmetrical Fault Analysis Using Bus Impedance Matrix, Algorithm for Formation of Bus Impedance Matrix, Contingency Analysis: Detection of Network Problems, Overview of security analysis, Linear Sensitivity Factors, Contingency Selection, Concentric Relaxation, Bounding

#### Introduction to State Estimation in Power Systems:

Introduction, Power system state estimation, Maximum Likelihood Concept , Weighted Least Squares Estimation, Introduction, Matrix Formulation, State Estimation of an AC network, Development of Method, State Estimation by Orthogonal Decomposition, An Introduction to Advanced topics in state estimation, Detection and Identification of Bad measurements, Estimation of quantities not being measured, Network Observability and Pseudo measurements, Application of Power Systems State Estimation

#### Numerical Integration Techniques:

Numerical integration techniques: One step methods, Taylor series based methods, Forward -Euler’s method, Runge-Kutta methods, Trapezoidal method, backward-Euler’s method, Accuracy and error analysis, Numerical stability analysis, Stiff systems, Step-size selection, Differential algebraic systems, triangular factorization, Power system applications: Transient stability analysis

#### Reference Books

SrTitleAuthorPublicationAmazon Link
1Computer-Aided Power Systems AnalysisGeorge KusicCRC Press – Indian Edition
2Power Generation Operation & ControlA. J. Wood and B. F. WollenbergJohn Wiley & Sons, Inc
3Power System Analysisstevenson and graingerTATA McgrowHill
4AC-DC Power System AnalysisJos Arrillaga and Bruce SmithIEE London UK
5Power System AnalysisHadi SadatTata Mcgraw Hill, New Delhi
6Computational methods for Electric Power SystemsMariesa CrowCRC press
7Computer Methods in Power System AnalysisGlenn Stagg and El-abiadMcGraw-Hill

#### Course Outcome

After learning the course the students should be able to

1. Recent techniques and computer application for modeling of practical and large interconnected power system networks using programming languages.
2. Recent methodologies for simulation and analysis of power system networks like real and reactive power flows and optimal scheduling.
3. Effect of outage of any important component of power system on the operation and reliability of power systems.
4. Algorithm required to find out parameters for monitoring and control of power system in real time from actual measurement data.
5. Computer Algorithms used to solve algebro-differential pertaining to power system to assess the stability performance of power systems.