Fundamentals of Electrical Drives
| Date: 06 May 2011, 20:25
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Electrical drives in general play a key role in power generation, household appliances, automotive and industrial applications. The rapidly expanding area of adjustable speed drives as used in robotics, wind turbines and hybrid vehicles is driven by innovations in machine design, power semi-conductors, digital signal processors and simulation software.
This brings us to the purpose of this book namely to help students and engineers appreciate and understand the fundamental concepts of modern electrical drives. An interactive learning approach is taken in this text: theory and calculations are augmented by generic models which are transposed to a simulation platform. The 'build and play' method used in this text visualizes the dynamic operation of a comprehensive set of modules ranging from an inductance to a novel 'ideal rotating transformer' (IRTF). This module is at the center of the generic models used in this text to explore the dynamic and steady state operation of grid and converter fed induction, synchronous and DC machines. The section on modulation and control emphasizes the role of power electronics and digital signal processors in drives. The CD which accompanies this text has an extensive set of 'build and play' tutorials, in Simulink R and Caspoc. The latter is a simulation platform which allows direct access to the 'build and play' modules, without further licensing needs. All figures in this text are included on the CD in order to help with the preparation of customized Power Point type lecture material.
Fundamentals of Electrical Drives is for readers with a basic engineering knowledge who have a need or desire to comprehend and apply the theory and simulation methods which are applied by drive specialist throughout the world.
About the Author
Andre Veltman is a Senior Lecturer at Technische Universiteit Eindhoven, the Netherlands and runs his own consulting company, Piak electronic design b.v.
Duco W.J. Pulle is a consultant with Zener Electric, Australia and a former Associate Professor of Lund University, Sweden.
Rik W. De Doncker is Professor and director of the Institute for Power Electronics and Electrical Drives (ISEA) at RWTH-Aachen University, Germany.
CONTENTS
Dedication
Foreword
Preface
Acknowledgments
Symbol Conventions
1. INTRODUCTION
1.1 Why use electro-mechanical energy conversion?
1.2 Key components of an electrical drive system
1.3 What characterizes high performance drives?
1.4 Notational conventions
1.5 Use of building blocks to represent equations
1.6 Magnetic principles
1.7 Machine sizing principles
1.8 Tutorials for Chapter 1
2. SIMPLE ELECTRO-MAGNETIC CIRCUITS
2.1 Introduction
2.2 Linear inductance
2.3 Coil resistance
2.4 Magnetic saturation
2.5 Use of phasors for analyzing linear circuits
2.6 Tutorials for Chapter 2
3. THE TRANSFORMER
3.1 Introduction
3.2 Ideal transformer (ITF) concept
3.3 Basic transformer
3.4 Transformer with magnetizing inductance
3.5 Steady-state analysis
3.6 Three inductance model
3.7 Two inductance models
3.8 Mutual and self inductance based model
3.9 Two inductance model with coil resistance
3.10 Tutorials for Chapter 3
4. THREE-PHASE CIRCUITS
4.1 Introduction
4.2 Star/Wye connected circuit
4.3 Delta connected circuit
4.4 Space vectors
4.5 Amplitude and power invariant space vectors
4.6 Application of space vectors for three-phase circuit analysis
4.7 Relationship between space vectors and phasors
4.8 Tutorials for Chapter 4
5. CONCEPT OF REAL AND REACTIVE POWER
5.1 Introduction
5.2 Power in single phase systems
5.3 Power in three-phase systems
5.4 Phasor representation of real and reactive power
5.5 Tutorials for Chapter 5
6. SPACE VECTOR BASED TRANSFORMER MODELS
6.1 Introduction
6.2 Development of a space vector based ITF model
6.3 Two-phase ITF based generalized transformer model
6.4 Tutorials for Chapter 6
Contents
7. INTRODUCTION TO ELECTRICAL MACHINES
7.1 Introduction
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