Advanced electric drives : analysis, control, and modeling using MATLAB/Simulink / by Ned Mohan.

By: Mohan, NedMaterial type: TextTextPublisher: Hoboken, New Jersey : Wiley, 2014Description: xvi, 180 p.: ill.; 24 cmISBN: 9781118485484 (hardback)Subject(s): MATLAB | SIMULINK | Electric driving -- Computer simulation | Electric motors -- Mathematical models | TECHNOLOGY & ENGINEERING / Electronics / Circuits / General | TECHNOLOGY & ENGINEERING / Power Resources / ElectricalDDC classification: 621.46028553
Contents:
<p>Preface xiii <p>Notation xv <p>1 Applications: Speed and Torque Control 1 <p>1-1 History 1 <p>1-2 Background 2 <p>1-3 Types of ac Drives Discussed and the Simulation Software2 <p>1-4 Structure of this Textbook 3 <p>1-5 Test Induction Motor 3 <p>1-6 Summary 4 <p>References 4 <p>Problems 4 <p>2 Induction Machine Equations in Phase Quantities: Assistedby Space Vectors 6 <p>2-1 Introduction 6 <p>2-2 Sinusoidally Distributed Stator Windings 6 <p>2-2-1 Three-Phase, Sinusoidally Distributed Stator Windings8 <p>2-3 Stator Inductances (Rotor Open-Circuited) 9 <p>2-3-1 Stator Single-Phase Magnetizing InductanceLm,1-phase 9 <p>2-3-2 Stator Mutual-Inductance Lmutual 11 <p>2-3-3 Per-Phase Magnetizing-Inductance Lm 12 <p>2-3-4 Stator-Inductance Ls 12 <p>2-4 Equivalent Windings in a Squirrel-Cage Rotor 13 <p>2-4-1 Rotor-Winding Inductances (Stator Open-Circuited) 13 <p>2-5 Mutual Inductances between the Stator and the Rotor PhaseWindings 15 <p>2-6 Review of Space Vectors 15 <p>2-6-1 Relationship between Phasors and Space Vectors inSinusoidal Steady State 17 <p>2-7 Flux Linkages 18 <p>2-7-1 Stator Flux Linkage (Rotor Open-Circuited) 18 <p>2-7-2 Rotor Flux Linkage (Stator Open-Circuited) 19 <p>2-7-3 Stator and Rotor Flux Linkages (Simultaneous Stator andRotor Currents) 20 <p>2-8 Stator and Rotor Voltage Equations in Terms of Space Vectors21 <p>2-9 Making the Case for a dq -Winding Analysis 22 <p>2-10 Summary 25 <p>Reference 25 <p>Problems 26 <p>3 Dynamic Analysis of Induction Machines in Terms ofdq Windings 28 <p>3-1 Introduction 28 <p>3-2 dq Winding Representation 28 <p>3-2-1 Stator dq Winding Representation 29 <p>3-2-2 Rotor dq Windings (Along the Same dq-Axes as in theStator) 31 <p>3-2-3 Mutual Inductance between dq Windings on the Statorand the Rotor 32 <p>3-3 Mathematical Relationships of the dq Windings (at anArbitrary Speed d) 33 <p>3-3-1 Relating dq Winding Variables to Phase WindingVariables 35 <p>3-3-2 Flux Linkages of dq Windings in Terms of TheirCurrents 36 <p>3-3-3 dq Winding Voltage Equations 37 <p>3-3-4 Obtaining Fluxes and Currents with Voltages as Inputs40 <p>3-4 Choice of the dqWinding Speed d 41 <p>3-5 Electromagnetic Torque 42 <p>3-5-1 Torque on the Rotor d -Axis Winding 42 <p>3-5-2 Torque on the Rotor q -Axis Winding 43 <p>3-5-3 Net Electromagnetic Torque Tem on the Rotor 44 <p>3-6 Electrodynamics 44 <p>3-7 d- and q-Axis Equivalent Circuits 45 <p>3-8 Relationship between the dq Windings and thePer-Phase Phasor-Domain Equivalent Circuit in Balanced SinusoidalSteady State 46 <p>3-9 Computer Simulation 47 <p>3-9-1 Calculation of Initial Conditions 48 <p>3-10 Summary 56 <p>Reference 56 <p>Problems 57 <p>4 Vector Control of Induction-Motor Drives: A QualitativeExamination 59 <p>4-1 Introduction 59 <p>4-2 Emulation of dc and Brushless dc Drive Performance 59 <p>4-2-1 Vector Control of Induction-Motor Drives 61 <p>4-3 Analogy to a Current-Excited Transformer with a ShortedSecondary 62 <p>4-3-1 Using the Transformer Equivalent Circuit 65 <p>4-4 d- and q -Axis Winding Representation 66 <p>4-5 Vector Control with d-Axis Aligned with the RotorFlux 67 <p>4-5-1 Initial Flux Buildup Prior to t = 0 67 <p>4-5-2 Step Change in Torque at t = 0+68 <p>4-6 Torque, Speed, and Position Control 72 <p>4-6-1 The Reference Current isq t ( ) 72 <p>4-6-2 The Reference Current isd t ( ) 73 <p>4-6-3 Transformation and Inverse-Transformation of StatorCurrents 73 <p>4-6-4 The Estimated Motor Model for Vector Control 74 <p>4-7 The Power-Processing Unit (PPU) 75 <p>4-8 Summary 76 <p>References 76 <p>Problems 77 <p>5 Mathematical Description of Vector Control in InductionMachines 79 <p>5-1 Motor Model with the d-Axis Aligned Along the RotorFlux Linkage r-Axis 79 <p>5-1-1 Calculation of dA 81 <p>5-1-2 Calculation of Tem 81 <p>5-1-3 d-Axis Rotor Flux Linkage Dynamics 82 <p>5-1-4 Motor Model 82 <p>5-2 Vector Control 84 <p>5-2-1 Speed and Position Control Loops 86 <p>5-2-2 Initial Startup 89 <p>5-2-3 Calculating the Stator Voltages to Be Applied 89 <p>5-2-4 Designing the PI Controllers 90 <p>5-3 Summary 95 <p>Reference 95 <p>Problems 95 <p>6 Detuning Effects in Induction Motor Vector Control97 <p>6-1 Effect of Detuning Due to Incorrect Rotor Time Constant r 97 <p>6-2 Steady-State Analysis 101 <p>6-2-1 Steady-State isd /isd 104 <p>6-2-2 Steady-State isq /isq 104 <p>6-2-3 Steady-State err 105 <p>6-2-4 Steady-State Tem /Tem 106 <p>6-3 Summary 107 <p>References 107 <p>Problems 108 <p>7 Dynamic Analysis of Doubly Fed Induction Generators andTheir Vector Control 109 <p>7-1 Understanding DFIG Operation 110 <p>7-2 Dynamic Analysis of DFIG 116 <p>7-3 Vector Control of DFIG 116 <p>7-4 Summary 117 <p>References 117 <p>Problems 117 <p>8 Space Vector Pulse Width-Modulated (SV-PWM) Inverters119 <p>8-1 Introduction 119 <p>8-2 Synthesis of Stator Voltage SpaceVector vsa 119 <p>8-3 Computer Simulation of SV-PWM Inverter 124 <p>8-4 Limit on the Amplitude Vs of the StatorVoltage Space Vectov sa 125 <p>Summary 128 <p>References 128 <p>Problems 129 <p>9 Direct Torque Control (DTC) and Encoderless Operation ofInduction Motor Drives 130 <p>9-1 Introduction 130 <p>9-2 System Overview 130 <p>9-3 Principle of Encoderless DTC Operation 131 <p>9-4 Calculation of s, r, Tem,and m 132 <p>9-4-1 Calculation of the Stator Flux s132 <p>9-4-2 Calculation of the Rotor Flux r 133 <p>9-4-3 Calculation of theElectromagnetic Torque Tem 134 <p>9-4-4 Calculation of the Rotor Speed m 135 <p>9-5 Calculation of the Stator Voltage Space Vector 136 <p>9-6 Direct Torque Control Using dq-Axes 139 <p>9-7 Summary 139 <p>References 139 <p>Problems 139 <p>Appendix 9-A 140 <p>Derivation of Torque Expressions 140 <p>10 Vector Control of Permanent-Magnet Synchronous MotorDrives 143 <p>10-1 Introduction 143 <p>10-2 d-q Analysis of Permanent Magnet (Nonsalient-Pole)Synchronous Machines 143 <p>10-2-1 Flux Linkages 144 <p>10-2-2 Stator dq Winding Voltages 144 <p>10-2-3 Electromagnetic Torque 145 <p>10-2-4 Electrodynamics 145 <p>10-2-5 Relationship between the dq Circuits and thePer-Phase Phasor-Domain Equivalent Circuit in BalancedSinusoidal Steady State 145 <p>10-2-6 dq-Based Dynamic Controller for Brushless DC Drives 147 <p>10-3 Salient-Pole Synchronous Machines 151 <p>10-3-1 Inductances 152 <p>10-3-2 Flux Linkages 153 <p>10-3-3 Winding Voltages 153 <p>10-3-4 Electromagnetic Torque 154 <p>10-3-5 dq-Axis Equivalent Circuits 154 <p>10-3-6 Space Vector Diagram in Steady State 154 <p>10-4 Summary 156 <p>References 156 <p>Problems 156 <p>11 Switched-Reluctance Motor (SRM) Drives 157 <p>11-1 Introduction 157 <p>11-2 Switched-Reluctance Motor 157 <p>11-2-1 Electromagnetic Torque Tem 159 <p>11-2-2 Induced Back-EMF ea 161 <p>11-3 Instantaneous Waveforms 162 <p>11-4 Role of Magnetic Saturation 164 <p>11-5 Power Processing Units for SRM Drives 165 <p>11-6 Determining the Rotor Position for Encoderles Operation166 <p>11-7 Control in Motoring Mode 166 <p>11-8 Summary 167 <p>References 167 <p>Problems 167 <p>Index 169
Summary: "Advanced Electric Drives utilizes a physics-based approach to explain the fundamental concepts of modern electric drive control and its operation under dynamic conditions. Gives readers a "physical" picture of electric machines and drives without resorting to mathematical transformations for easy visualization Confirms the physics-based analysis of electric drives mathematically Provides readers with an analysis of electric machines in a way that can be easily interfaced to common power electronic converters and controlled using any control scheme Makes the MATLAB/Simulink files used in examples available to anyone in an accompanying website Reinforces fundamentals with a variety of discussion questions, concept quizzes, and homework problems"-- Provided by publisher.Summary: "Comprehensive explanation of how electric drives operate under dynamic conditions"-- Provided by publisher.
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621.46028553 MOH-A 2014 8587 (Browse shelf) Available 0008587
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Includes index.

<p>Preface xiii <p>Notation xv <p>1 Applications: Speed and Torque Control 1 <p>1-1 History 1 <p>1-2 Background 2 <p>1-3 Types of ac Drives Discussed and the Simulation Software2 <p>1-4 Structure of this Textbook 3 <p>1-5 Test Induction Motor 3 <p>1-6 Summary 4 <p>References 4 <p>Problems 4 <p>2 Induction Machine Equations in Phase Quantities: Assistedby Space Vectors 6 <p>2-1 Introduction 6 <p>2-2 Sinusoidally Distributed Stator Windings 6 <p>2-2-1 Three-Phase, Sinusoidally Distributed Stator Windings8 <p>2-3 Stator Inductances (Rotor Open-Circuited) 9 <p>2-3-1 Stator Single-Phase Magnetizing InductanceLm,1-phase 9 <p>2-3-2 Stator Mutual-Inductance Lmutual 11 <p>2-3-3 Per-Phase Magnetizing-Inductance Lm 12 <p>2-3-4 Stator-Inductance Ls 12 <p>2-4 Equivalent Windings in a Squirrel-Cage Rotor 13 <p>2-4-1 Rotor-Winding Inductances (Stator Open-Circuited) 13 <p>2-5 Mutual Inductances between the Stator and the Rotor PhaseWindings 15 <p>2-6 Review of Space Vectors 15 <p>2-6-1 Relationship between Phasors and Space Vectors inSinusoidal Steady State 17 <p>2-7 Flux Linkages 18 <p>2-7-1 Stator Flux Linkage (Rotor Open-Circuited) 18 <p>2-7-2 Rotor Flux Linkage (Stator Open-Circuited) 19 <p>2-7-3 Stator and Rotor Flux Linkages (Simultaneous Stator andRotor Currents) 20 <p>2-8 Stator and Rotor Voltage Equations in Terms of Space Vectors21 <p>2-9 Making the Case for a dq -Winding Analysis 22 <p>2-10 Summary 25 <p>Reference 25 <p>Problems 26 <p>3 Dynamic Analysis of Induction Machines in Terms ofdq Windings 28 <p>3-1 Introduction 28 <p>3-2 dq Winding Representation 28 <p>3-2-1 Stator dq Winding Representation 29 <p>3-2-2 Rotor dq Windings (Along the Same dq-Axes as in theStator) 31 <p>3-2-3 Mutual Inductance between dq Windings on the Statorand the Rotor 32 <p>3-3 Mathematical Relationships of the dq Windings (at anArbitrary Speed d) 33 <p>3-3-1 Relating dq Winding Variables to Phase WindingVariables 35 <p>3-3-2 Flux Linkages of dq Windings in Terms of TheirCurrents 36 <p>3-3-3 dq Winding Voltage Equations 37 <p>3-3-4 Obtaining Fluxes and Currents with Voltages as Inputs40 <p>3-4 Choice of the dqWinding Speed d 41 <p>3-5 Electromagnetic Torque 42 <p>3-5-1 Torque on the Rotor d -Axis Winding 42 <p>3-5-2 Torque on the Rotor q -Axis Winding 43 <p>3-5-3 Net Electromagnetic Torque Tem on the Rotor 44 <p>3-6 Electrodynamics 44 <p>3-7 d- and q-Axis Equivalent Circuits 45 <p>3-8 Relationship between the dq Windings and thePer-Phase Phasor-Domain Equivalent Circuit in Balanced SinusoidalSteady State 46 <p>3-9 Computer Simulation 47 <p>3-9-1 Calculation of Initial Conditions 48 <p>3-10 Summary 56 <p>Reference 56 <p>Problems 57 <p>4 Vector Control of Induction-Motor Drives: A QualitativeExamination 59 <p>4-1 Introduction 59 <p>4-2 Emulation of dc and Brushless dc Drive Performance 59 <p>4-2-1 Vector Control of Induction-Motor Drives 61 <p>4-3 Analogy to a Current-Excited Transformer with a ShortedSecondary 62 <p>4-3-1 Using the Transformer Equivalent Circuit 65 <p>4-4 d- and q -Axis Winding Representation 66 <p>4-5 Vector Control with d-Axis Aligned with the RotorFlux 67 <p>4-5-1 Initial Flux Buildup Prior to t = 0 67 <p>4-5-2 Step Change in Torque at t = 0+68 <p>4-6 Torque, Speed, and Position Control 72 <p>4-6-1 The Reference Current isq t ( ) 72 <p>4-6-2 The Reference Current isd t ( ) 73 <p>4-6-3 Transformation and Inverse-Transformation of StatorCurrents 73 <p>4-6-4 The Estimated Motor Model for Vector Control 74 <p>4-7 The Power-Processing Unit (PPU) 75 <p>4-8 Summary 76 <p>References 76 <p>Problems 77 <p>5 Mathematical Description of Vector Control in InductionMachines 79 <p>5-1 Motor Model with the d-Axis Aligned Along the RotorFlux Linkage r-Axis 79 <p>5-1-1 Calculation of dA 81 <p>5-1-2 Calculation of Tem 81 <p>5-1-3 d-Axis Rotor Flux Linkage Dynamics 82 <p>5-1-4 Motor Model 82 <p>5-2 Vector Control 84 <p>5-2-1 Speed and Position Control Loops 86 <p>5-2-2 Initial Startup 89 <p>5-2-3 Calculating the Stator Voltages to Be Applied 89 <p>5-2-4 Designing the PI Controllers 90 <p>5-3 Summary 95 <p>Reference 95 <p>Problems 95 <p>6 Detuning Effects in Induction Motor Vector Control97 <p>6-1 Effect of Detuning Due to Incorrect Rotor Time Constant r 97 <p>6-2 Steady-State Analysis 101 <p>6-2-1 Steady-State isd /isd 104 <p>6-2-2 Steady-State isq /isq 104 <p>6-2-3 Steady-State err 105 <p>6-2-4 Steady-State Tem /Tem 106 <p>6-3 Summary 107 <p>References 107 <p>Problems 108 <p>7 Dynamic Analysis of Doubly Fed Induction Generators andTheir Vector Control 109 <p>7-1 Understanding DFIG Operation 110 <p>7-2 Dynamic Analysis of DFIG 116 <p>7-3 Vector Control of DFIG 116 <p>7-4 Summary 117 <p>References 117 <p>Problems 117 <p>8 Space Vector Pulse Width-Modulated (SV-PWM) Inverters119 <p>8-1 Introduction 119 <p>8-2 Synthesis of Stator Voltage SpaceVector vsa 119 <p>8-3 Computer Simulation of SV-PWM Inverter 124 <p>8-4 Limit on the Amplitude Vs of the StatorVoltage Space Vectov sa 125 <p>Summary 128 <p>References 128 <p>Problems 129 <p>9 Direct Torque Control (DTC) and Encoderless Operation ofInduction Motor Drives 130 <p>9-1 Introduction 130 <p>9-2 System Overview 130 <p>9-3 Principle of Encoderless DTC Operation 131 <p>9-4 Calculation of s, r, Tem,and m 132 <p>9-4-1 Calculation of the Stator Flux s132 <p>9-4-2 Calculation of the Rotor Flux r 133 <p>9-4-3 Calculation of theElectromagnetic Torque Tem 134 <p>9-4-4 Calculation of the Rotor Speed m 135 <p>9-5 Calculation of the Stator Voltage Space Vector 136 <p>9-6 Direct Torque Control Using dq-Axes 139 <p>9-7 Summary 139 <p>References 139 <p>Problems 139 <p>Appendix 9-A 140 <p>Derivation of Torque Expressions 140 <p>10 Vector Control of Permanent-Magnet Synchronous MotorDrives 143 <p>10-1 Introduction 143 <p>10-2 d-q Analysis of Permanent Magnet (Nonsalient-Pole)Synchronous Machines 143 <p>10-2-1 Flux Linkages 144 <p>10-2-2 Stator dq Winding Voltages 144 <p>10-2-3 Electromagnetic Torque 145 <p>10-2-4 Electrodynamics 145 <p>10-2-5 Relationship between the dq Circuits and thePer-Phase Phasor-Domain Equivalent Circuit in BalancedSinusoidal Steady State 145 <p>10-2-6 dq-Based Dynamic Controller for Brushless DC Drives 147 <p>10-3 Salient-Pole Synchronous Machines 151 <p>10-3-1 Inductances 152 <p>10-3-2 Flux Linkages 153 <p>10-3-3 Winding Voltages 153 <p>10-3-4 Electromagnetic Torque 154 <p>10-3-5 dq-Axis Equivalent Circuits 154 <p>10-3-6 Space Vector Diagram in Steady State 154 <p>10-4 Summary 156 <p>References 156 <p>Problems 156 <p>11 Switched-Reluctance Motor (SRM) Drives 157 <p>11-1 Introduction 157 <p>11-2 Switched-Reluctance Motor 157 <p>11-2-1 Electromagnetic Torque Tem 159 <p>11-2-2 Induced Back-EMF ea 161 <p>11-3 Instantaneous Waveforms 162 <p>11-4 Role of Magnetic Saturation 164 <p>11-5 Power Processing Units for SRM Drives 165 <p>11-6 Determining the Rotor Position for Encoderles Operation166 <p>11-7 Control in Motoring Mode 166 <p>11-8 Summary 167 <p>References 167 <p>Problems 167 <p>Index 169

"Advanced Electric Drives utilizes a physics-based approach to explain the fundamental concepts of modern electric drive control and its operation under dynamic conditions. Gives readers a "physical" picture of electric machines and drives without resorting to mathematical transformations for easy visualization Confirms the physics-based analysis of electric drives mathematically Provides readers with an analysis of electric machines in a way that can be easily interfaced to common power electronic converters and controlled using any control scheme Makes the MATLAB/Simulink files used in examples available to anyone in an accompanying website Reinforces fundamentals with a variety of discussion questions, concept quizzes, and homework problems"-- Provided by publisher.

"Comprehensive explanation of how electric drives operate under dynamic conditions"-- Provided by publisher.

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