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Preface | |
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Introduction to Electric Drive Systems | |
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History | |
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What Is an Electric-Motor Drive? | |
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Factors Responsible for the Growth of Electric Drives | |
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Typical Applications of Electric Drives | |
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The Multi-Disciplinary Nature of Drive Systems | |
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Structure of the Textbook | |
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References | |
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Problems | |
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Understanding Mechanical System Requirements for Electric Drives | |
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Introduction | |
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Systems with Linear Motion | |
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Rotating Systems | |
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Friction | |
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Torsional Resonances | |
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Electrical Analogy | |
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Coupling Mechanisms | |
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Types of Loads | |
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Four-Quadrant Operation | |
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Steady State and Dynamic Operations | |
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References | |
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Problems | |
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Review of Basic Electric Circuits | |
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Introduction | |
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Phasor Representation in Sinusoidal Steady State | |
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Three-Phase Circuits | |
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Reference | |
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Problems | |
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Basic Understanding of Switch-Mode Power Electronic Converters in Electric Drives | |
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Introduction | |
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Overview of Power Processing Units (PPUs) | |
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Converters for DC Motor Drives �2Vd , vo , Vd� | |
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Synthesis of Low-Frequency AC | |
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Three-Phase Inverters | |
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Power Semiconductor Devices | |
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References | |
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Problems | |
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Magnetic Circuits | |
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Introduction | |
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Magnetic Field Produced by Current-Carrying Conductors | |
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Flux Density B and the Flux f | |
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Magnetic Structures with Air Gaps | |
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Inductances | |
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Faraday�s Law: Induced Voltage in a Coil due to Time-Rate of Change of Flux Linkage | |
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Leakage and Magnetizing Inductances | |
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Transformers | |
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Permanent Magnets | |
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Basic Principles of Electromechanical Energy Conversion | |
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Introduction | |
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Basic Structure | |
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Production of Magnetic Field | |
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Basic Principles of Operation | |
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Application of the Basic Principles | |
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Energy Conversion | |
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Power Losses and Energy Efficiency | |
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Machine Ratings | |
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DC-Motor Drives and Electronicallycommutated Motor (ECM) Drives | |
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Introduction | |
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The Structure of DC Machines | |
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Operating Principles of DC Machines | |
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DC-Machine Equivalent Circuit | |
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Various Operating Modes in DC-Motor Drives | |
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Flux Weakening in Wound-Field Machines | |
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Power-Processing Units in DC Drives | |
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Electronically-Commutated Motor (ECM) Drives | |
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Designing Feedback Controllers for Motor Drives | |
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Introduction | |
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Control Objectives | |
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Cascade Control Structure | |
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Steps in Designing the Feedback Controller | |
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System Representation for Small-Signal Analysis | |
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Controller Design | |
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Example of a Controller Design | |
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The Role of Feed-Forward | |
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Effects of Limits | |
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Anti-Windup (Non-Windup) Integration | |
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Introduction to AC Machines and Space Vectors | |
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Introduction | |
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Sinusoidally-Distributed Stator Windings | |
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The Use of Space Vectors to Represent Sinusoidal Field Distributions in the Air Gap | |
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Space-Vector Representation of Combined Terminal Currents and Voltages | |
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Balanced Sinusoidal Steady-State Excitation (Rotor Open-Circuited) | |
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Sinusoidal Permanent Magnet AC (PMAC) Drives, LCI-Synchronous Motor Drives, and Synchronous Generators | |
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Introduction | |
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The Basic Structure of Permanent-Magnet AC (PMAC) Machines | |
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Principle of Operation | |
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The Controller and the Power-Processing Unit (PPU) | |
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Load-Commutated-Inverter (LCI) Supplied Synchronous Motor Drives | |
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Synchronous Generators | |
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Induction Motors: Balanced, Sinusoidal Steady State Operation | |
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Introduction | |
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The Structure of Three-Phase, Squirrel-Cage Induction Motors | |
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The Principles of Induction Motor Operation | |
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Tests to Obtain the Parameters of the Per-Phase Equivalent Circuit | |
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Induction Motor Characteristics at Rated Voltages in Magnitude and Frequency | |
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Induction Motors of Nema Design A, B, C, and D | |
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Line Start | |
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Reduced Voltage Starting (�soft start�) of Induction Motors | |
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Energy-Savings in Lightly-Loaded Machines | |
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Doubly-Fed Induction Generators (DFIG) in Wind Turbines | |
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Induction-Motor Drives: Speed Control | |
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Introduction | |
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Conditions for Efficient Speed Control Over a Wide Range | |
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Applied Voltage Amplitudes to Keep ^ Bms 5 ^ Bms;rated | |
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Starting Considerations in Drives | |
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Capability to Operate below and above the Rated Speed | |
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Induction-Generator Drives | |
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Speed Control of Induction-Motor Drives | |
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Pulse-Width-Modulated Power-Processing Unit | |
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Reduction of ^ Bms at Light Loads | |
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Reluctance Drives: Stepper-Motor and Switched-Reluctance Drives | |
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Introduction | |
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The Operating Principle of Reluctance Motors | |
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Stepper-Motor Drives | |
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Switched-Reluctance Motor Drives | |
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Energy Efficiency of Electric Drives and Inverter-Motor Interactions | |
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Introduction | |
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The Definition of Energy Efficiency in Electric Drives | |
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The Energy Efficiency of Induction Motors with Sinusoidal Excitation | |
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The Effects of Switching-Frequency Harmonics on Motor Losses | |
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The Energy Efficiencies of Power-Processing Units | |
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Energy Efficiencies of Electric Drives | |
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The Economics of Energy Savings by Premium-Efficiency Electric Motors and Electric Drives | |
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The Deleterious Effects of The PWM-Inverter Voltage Waveform on Motor Life | |
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Benefits of Using Variable-Speed Drives | |