Structure preserving energy functions in power systems : theory and applications / K.R. Padiyar.

Format:

Book

Author/Creator:

Padiyar, K. R.

Language:

English

Subjects (All):

Electric power systems--Control.

Electric power systems.

Electric power systems--Control--Mathematical models.

Electric power system stability.

Electric power systems--Security measures.

Synchronization.

Damping (Mechanics).

Physical Description:

1 online resource (369 p.)

Edition:

1st ed.

Place of Publication:

Boca Raton : Taylor & Francis, 2013.

Language Note:

English

Summary:

A guide for software development of the dynamic security assessment and control of power systems, Structure Preserving Energy Functions in Power Systems: Theory and Applications takes an approach that is more general than previous works on Transient Energy Functions defined using Reduced Network Models. A comprehensive presentation of theory and applications, this book:Describes the analytics of monitoring and predicting dynamic security and emergency control through the illustration of theory and applications of energy functions defined on structure preserving mod

Contents:

1. Introduction

General

Power System Stability

Power System Security

Monitoring and Enhancing System Security

Emergency Control and System Protection

Applications of Energy Functions

Scope of the Book

2. Review of Direct Methods for Transient Stability Evaluation for Systems With Simplified Models

System Model

Mathematical Preliminaries

Liapunov Functions for Direct Stability Evaluation

Energy Functions for Multimachine Systems

Estimation of Stability Domain

Extended Equal Area Criterion

3. Structure Preserving Energy Functions for Systems with Nonlinear Load Models and Generator Flux Decay

A Structure Preserving Model

Inclusion of Voltage Dependent Power Loads

SPEF with Voltage Dependent Load Models

Case Studies on IEEE Test Systems

Solution of System Equations During a Transient

Non-Iterative Solution of Networks with Nonlinear Loads

Inclusion of Transmission Losses in Energy Function

SPEF for Systems with Generator Flux Decay

A Network Analogy for System Stability Analysis

4. Structure Preserving Energy Functions for Systems with Detailed Generator and Load Models

Structure-Preserving Energy Function with Detailed Generator Models

Numerical Examples

Modeling of Dynamic Loads

New Results on SPEF Based on Network Analogy

Unstable Modes and Parametric Resonance

5. Structure Preserving Energy Functions for Systems with HVDC and FACTS Controllers

HVDC Power Transmission Links

Static Var Compensators

Static Synchronous Compensator (STATCOM)

Series Connected FACTS Controllers

Potential Energy in a Line with Series FACTS Controller

Unified Power Flow Controller

6. Detection of Instability Based on Identification of Critical Cutsets

Basic Concepts

Prediction of the Critical Cutset

Detection of Instability by Monitoring the Critical Cutset

Algorithm for Identification of Critical Cutset

Prediction of Instability

Case Studies

Study of a Practical System

Adaptive System Protection

7. Sensitivity Analysis for Dynamic Security and Preventive Control Using Damping Controllers

Basic Concepts in Sensitivity Analysis

Dynamic Security Assessment Based on Energy Margin

Energy Margin Sensitivity

Trajectory Sensitivity

Energy Function Based Design of Damping Controllers

Damping Controllers for UPFC

8. Application of FACTS Controllers for Emergency Control I

Switched Series Compensation

Control Strategy for a Two Machine System

Comparative Study of TCSC and SSSC

Discrete Control of STATCOM

Discrete Control of UPFC

Improvement of Transient Stability by Static Phase Shifting Transformer

Emergency Control Measures

9. Application of FACTS Controllers for Emergency Control II

Discrete Control Strategy

Case Study I: Application of TCSC

Case Study II: Application of UPFC

Discussion and Directions for Further Research

Appendix A: Synchronous generator Model

Synchronous Machine

Park's Transformation

Per Unit Quantities

Synchronous Machine Model

Application of Model 1.1

Simpler Models

Appendix B: Boundary of Stability Region : Theoretical Results

Stability Boundary

Gradient Systems

Appendix C: Network Solution for Stability Analysis

Inclusion of Generator Stator in the Network

Treatment of Transient Saliency

Load Representation

AC Network Equations

System Algebraic Equations

System Differential Equations

Solution of System Equations

Appendix D: Data on the Ten Generator Test System.

Notes:

"A CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa plc."

Includes bibliographical references.

ISBN:

9781351832755

1351832751

9781315216867

1315216868

9781439879382

1439879389

OCLC:

839304490