Principles of electric machines with power electronic applications /
Mohamed E. El-Hawary.
- 2nd ed.
- 1 PDF (x, 483 pages) : illustrations.
- IEEE Press series on power engineering ; 51 .
- IEEE Press series on power engineering ; 51 .
Includes index.
Includes bibliographical references (p. 475-476) and index.
Preface -- Chapter 1: Introduction -- Electric Machines -- Roots in Observation -- Beginnings -- Foundations of Electromagnetism -- The Dawn of Electrodynamics -- Early Electric Generators -- Early Electric Motors -- Alternating Current -- Power Electronics: Scope and A Brief History -- Structure of the Power System -- Outline of the Text -- Chapter 2: Principles of Electromagnetism and Electromechanical Energy Conversion -- Magnetic-Field Laws -- Permeability and Magnetic-Field Intensity -- Magnetic Circuits -- Flux Linkages, Induced Voltages, Inductance, and Energy -- Hysteresis Loop -- Eddy-Current and Core Losses -- Energy Flow Approach -- Field Energy -- Multiply Excited Systems -- Reluctance Motors -- Doubly Excited Systems -- Salient-Pole Machines -- Round or Smooth Air-Gap Machines -- Machine-Type Classification -- P-Pole Machines -- Chapter 3: Power Electronic Devices and Systems -- Power Semiconductor Devices -- Control Characteristics of Power Devices -- Power Transistors -- The Thyristors -- Power Electronic Systems -- Power Integrated Circuits and Smart Power -- Chapter 4: Direct-Current Motors -- Construction Features -- Circuit Model of dc Generator -- Circuit Model of dc Motors -- dc Series Motors -- dc Shunt Motors -- Motor and Load Matching -- Conventional Speed Control of dc Motors -- Reversal of Direction of Rotation -- Starting dc Motors -- Adjustable Speed dc Motor Drives -- ac-dc Drives for dc Motors -- dc-dc Drives for dc Motors -- Chapter 5: Transformers -- Ideal Transformers -- Transformer Models -- Transformer Performance Measures -- Single-Phase Connections -- Three-Winding Transformers -- Three-Phase Systems and Transformer Connections -- Autotransformers -- Chapter 6: Induction Motors and Their Control -- MMF Waves and the Rotating Magnetic Field -- Slip -- Equivalent Circuits -- Simplified Equivalent Circuits -- Torque Characteristics -- Some Useful Relations -- Internal Mechanical Power -- Effects of Rotor Impedance -- Classification of Induction Motors. Starting Induction Motors -- Conventional Speed Control of Induction Motors -- Adjustable Speed Drives: General Considerations -- Variable-Voltage - Constant-Frequency Drives -- Variable-Voltage - Variable-Frequency Drives -- dc-Link-Converter Drives -- Voltage-Fed Inverter Drives -- Current-Fed Inverter Drives -- Cycloconverter Drives -- Regulation of Slip Power -- Chapter 7: Synchronous Machines -- Round-Rotor Machines: Equivalent Circuit -- Armature Reaction -- Principal Steady-State Characteristics -- Power Angle Characteristics and the Infinite-Bus Concept -- Synchronous-Motor Operation -- Salient-Pole Machines -- Chapter 8: Fractional-Horsepower Alternating Current Motors -- Rotating Magnetic Fields in Single-Phase Induction Motors -- Equivalent Circuits for Single-Phase Induction Motors -- Power and Torque Relations -- Starting Single-Phase Induction Motors -- Bibliography -- Index.
Restricted to subscribers or individual electronic text purchasers.
A thoroughly updated introduction to electric machines and adjustable speed drives All machines have power requirements, and finding the right balance of economy and performance can be a challenge to engineers. Principles of Electric Machines with Power Electronic Applications provides a thorough grounding in the principles of electric machines and the closely related area of power electronics and adjustable speed drives. Designed for both students and professionals seeking a foundation in the fundamental structure of modern-day electric power systems from a technical perspective, this lucid, succinct guide has been completely revised and updated to cover: * The fundamental underpinnings of electromechanical energy conversion devices * Transformers * Induction machines * Synchronous machines * DC machines * Power electronic components, systems, and their applications to adjustable speed drives Enhanced by numerous solved problems, sample examinations and test sets, and computer-based solutions assisted by MATLAB scripts, this new edition of Principles of Electric Machines with Power Electronic Applications serves equally well as a practical reference and a handy self-study guide to help engineers maintain their professional edge in this essential field.