EE8501 Power System Analysis Lecture Notes

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Anna University, Chennai
Department of Electrical and Electronics Engineering

Subject Code: EE8501
Subject Name: Power System Analysis

Lecture Notes - All Units

Unit 1: Introduction to Power System Analysis

1.1 Overview of Power Systems

Introduction to Power System Components: Generators, Transformers, Transmission Lines, Loads
Importance of Power System Analysis in Electrical Engineering
Basic Concepts: Per Unit System, Power Flow, Fault Analysis
1.2 Fundamentals of Symmetrical Components

Symmetrical Components Representation
Sequence Networks: Positive, Negative, and Zero Sequence Components
Sequence Impedances and Sequence Networks of Power System Elements
1.3 Symmetrical Fault Analysis

Types of Faults in Power Systems: Three-phase, Line-to-Ground, Double Line-to-Ground, Line-to-Line
Analysis of Symmetrical Faults using Symmetrical Components
Short Circuit Calculations and Bus Impedance Matrix
Unit 2: Power Flow Analysis

2.1 Bus Admittance Matrix (YBUS) Formulation

Introduction to Power Flow Analysis
Formation of Bus Admittance Matrix for Load Flow Studies
Gauss-Seidel and Newton-Raphson Methods for Load Flow Solution
Fast Decoupled Load Flow Method
2.2 Economic Operation of Power Systems

Objective of Economic Dispatch
Cost Function and Constraints
Solution Techniques: Lambda Iteration Method, Gradient Method
Transmission Loss Minimization
Unit 3: Symmetrical Components in Power System Analysis

3.1 Unsymmetrical Fault Analysis

Analysis of Unsymmetrical Faults using Symmetrical Components
Sequence Networks for Unbalanced Faults
Calculation of Unsymmetrical Fault Currents and Voltages
3.2 Sequence Networks of Power System Elements

Sequence Networks of Transformers, Transmission Lines, and Loads
Modeling of Faulted Conditions using Sequence Networks
Unit 4: Transient Stability Analysis

4.1 Introduction to Transient Stability

Definition and Importance of Transient Stability
Swing Equation and Equal Area Criterion
Methods for Improving Transient Stability: Power System Stabilizers (PSS), FACTS Devices
4.2 Transient Stability Analysis Techniques

Direct Method
Modified Euler Method
Runge-Kutta Method
Unit 5: Power System Stability and Control

5.1 Voltage Stability Analysis

Introduction to Voltage Stability
Voltage Collapse and Voltage Stability Indices
Voltage Collapse Prevention Techniques: SVC, STATCOM
5.2 Power System Control

Automatic Generation Control (AGC)
Load Frequency Control (LFC)
FACTS Devices for Power System Control
These lecture notes provide comprehensive coverage of Power System Analysis, essential for students in the Department of Electrical and Electronics Engineering at Anna University, Chennai. With a total of 207 pages in PDF format, these notes include detailed explanations, mathematical formulations, and practical examples to facilitate understanding. Students will gain proficiency in analyzing power system behavior under normal and fault conditions, conducting power flow studies, assessing transient stability, and implementing control strategies to ensure reliable and efficient operation of power systems.

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    EE8501 Power System Analysis Lecture Notes