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.

EE8501-LN 8.pdf 1.pdf (Size: 2.83 MB / Downloads: 1)