""3: Dynamic Analysis of Induction Machines in Terms of dq Windings""""3-1Â Â Â Â Introduction""; ""3-2Â Â Â Â dq Winding Representation""; ""3-3Â Â Â Â Mathematical Relationships of the dq Windings (at an Arbitrary Speed Ï0)""; ""3-4Â Â Â Â Choice of the dq Winding Speed Ï0 ""; ""3-5Â Â Â Â Electromagnetic Torque""; ""3-6Â Â Â Â Electrodynamics""; ""3-7Â Â Â Â d- and q-axis Equivalent Circuits""; ""3-8Â Â Â Â Relationship between the dq Windings and the Per-Phase Phasor-Domain Equivalent Circuit in Balanced Sinusoidal Steady State""; ""3-9Â Â Â Â Computer Simulation""
"Comprehensive explanation of how electric drives operate under dynamic conditions"--
""3-10Â Â Â Â Summary""""Reference""; ""Problems""; ""4: Vector Control of Induction-Motor Drives: A Qualitative Examination""; ""4-1Â Â Â Â Introduction""; ""4-2Â Â Â Â Emulation of dc and Brushless dc Drive Performance""; ""4-3Â Â Â Â Analogy to a Current-Excited Transformer with a Shorted Secondary""; ""4-4Â Â Â Â d- and q-Axis Winding Representation""; ""4-5Â Â Â Â Vector Control with d-Axis Aligned with the Rotor Flux""; ""4-6Â Â Â Â Torque, Speed, and Position Control""; ""4-7Â Â Â Â The Power-Processing Unit (PPU)""; ""4-8Â Â Â Â Summary""; ""References""; ""Problems""
"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"--
""2-1Â Â Â Â Introduction""""2-2Â Â Â Â Sinusoidally Distributed Stator Windings""; ""2-3Â Â Â Â Stator Inductances (Rotor Open-Circuited)""; ""2-4Â Â Â Â Equivalent Windings in a Squirrel-Cage Rotor""; ""2-5Â Â Â Â Mutual Inductances between the Stator and the Rotor Phase Windings""; ""2-6Â Â Â Â Review of Space Vectors""; ""2-7Â Â Â Â Flux Linkages""; ""2-8Â Â Â Â Stator and Rotor Voltage Equations in Terms of Space Vectors""; ""2-9Â Â Â Â Making the Case for a dq-Winding Analysis""; ""2-10Â Â Â Â Summary""; ""Reference""; ""Problems""
Machine generated contents note:1.Applications: Speed and Torque Control --1-1.History --1-2.Background --1-3.Types of ac Drives Discussed and the Simulation Software --1-4.Structure of this Textbook --1-5."Test" Induction Motor --1-6.Summary --References --Problems --2.Induction Machine Equations in Phase Quantities: Assisted by Space Vectors --2-1.Introduction --2-2.Sinusoidally Distributed Stator Windings --2-2-1.Three-Phase, Sinusoidally Distributed Stator Windings --2-3.Stator Inductances (Rotor Open-Circuited) --2-3-1.Stator Single-Phase Magnetizing Inductance Lm,1-phase --2-3-2.Stator Mutual-Inductance Lmutuai --2-3-3.Per-Phase Magnetizing-Inductance Lm --2-3-4.Stator-Inductance Ls --2-4.Equivalent Windings in a Squirrel-Cage Rotor --2-4-1.Rotor-Winding Inductances (Stator Open-Circuited) --2-5.Mutual Inductances between the Stator and the Rotor Phase Windings --2-6.Review of Space Vectors --2-6-1.Relationship between Phasors and Space Vectors in Sinusoidal Steady State --2-7.Flux Linkages --2-7-1.Stator Flux Linkage (Rotor Open-Circuited) --2-7-2.Rotor Flux Linkage (Stator Open-Circuited) --2-7-3.Stator and Rotor Flux Linkages (Simultaneous Stator and Rotor Currents) --2-8.Stator and Rotor Voltage Equations in Terms of Space Vectors --2-9.Making the Case for a dg-Winding Analysis --2-10.Summary --Reference --Problems --3.Dynamic Analysis of Induction Machines in Terms of dq Windings --3-1.Introduction --3-2.dq Winding Representation --3-2-1.Stator dq Winding Representation --3-2-2.Rotor dq Windings (Along the Same dq-Axes as in the Stator) --3-2-3.Mutual Inductance between dq Windings on the Stator and the Rotor --3-3.Mathematical Relationships of the dq Windings (at an Arbitrary Speed u>d) --3-3-1.Relating dq Winding Variables to Phase Winding Variables --3-3-2.Flux Linkages of dq Windings in Terms of Their Currents --3-3-3.dq Winding Voltage Equations --3-3-4.Obtaining Fluxes and Currents with Voltages as Inputs --3-4.Choice of the dq Winding Speed ωd --3-5.Electromagnetic Torque --3-5-1.Torque on the Rotor d-Axis Winding --3-5-2.Torque on the Rotor d-Axis Winding --3-5-3.Net Electromagnetic Torque Tem on the Rotor --3-6.Electrodynamics --3-7.d- and q-Axis Equivalent Circuits --3-8.Relationship between the dq Windings and the Per-Phase Phasor-Domain Equivalent Circuit in Balanced Sinusoidal Steady State --3-9.Computer Simulation --3-9-1.Calculation of Initial Conditions --3-10.Summary --Reference --Problems --4.Vector Control of Induction-Motor Drives: A Qualitative Examination --4-1.Introduction --4-2.Emulation of dc and Brushless dc Drive Performance --4-2-1.Vector Control of Induction-Motor Drives --4-3.Analogy to a Current-Excited Transformer with a Shorted Secondary --4-3-1.Using the Transformer Equivalent Circuit --4-4.d- and q-Axis Winding Representation --4-5.Vector Control with d-Axis Aligned with the Rotor Flux --4-5-1.Initial Flux Buildup Prior to t ==0- --4-5-2.Step Change in Torque at t = 0+ --4-6.Torque, Speed, and Position Control --4-6-1.Reference Current t*sq(t) --4-6-2.Reference Current i*sd(t) --4-6-3.Transformation and Inverse-Transformation of Stator Currents --4-6-4.Estimated Motor Model for Vector Control --4-7.Power-Processing Unit (PPU) --4-8.Summary --References --Problems --5.Mathematical Description of Vector Control in Induction Machines --5-1.Motor Model with the d-Axis Aligned Along the Rotor Flux Linkage λ[→]r-Axis --5-1-1.Calculation of ωdA --5-1-2.Calculation of Tem --5-1-3.d-Axis Rotor Flux Linkage Dynamics --5-1-4.Motor Model --5-2.Vector Control --5-2-1.Speed and Position Control Loops --5-2-2.Initial Startup --5-2-3.Calculating the Stator Voltages to Be Applied --5-2-4.Designing the PI Controllers --5-3.Summary --Reference --Problems --6.Detuning Effects in Induction Motor Vector Control --6-1.Effect of Detuning Due to Incorrect Rotor Time Constant τr --6-2.Steady-State Analysis --6-2-1.Steady-State isd/i*sd --6-2-2.Steady-State isq/i*sq --6-2-3.Steady-State θerr --6-2-4.Steady-State Tem/T*em --6-3.Summary --References --Problems --7.Dynamic Analysis of Doubly Fed Induction Generators and Their Vector Control --7-1.Understanding DFIG Operation --7-2.Dynamic Analysis of DFIG --7-3.Vector Control of DFIG --7-4.Summary --References --Problems --8.Space Vector Pulse Width-Modulated (SV-PWM) Inverters --8-1.Introduction --8-2.Synthesis of Stator Voltage Space Vector ν [→] as --8-3.Computer Simulation of SV-PWM Inverter --8-4.Limit on the Amplitude ν s of the Stator Voltage Space Vector ν [→]as --Summary --References --Problems --9.Direct Torque Control (DTC) and Encoderless Operation of Induction Motor Drives --9-1.Introduction --9-2.System Overview --9-3.Principle of Encoderless DTC Operation --9-4.Calculation of λ[→]s, λ[→]r, Tem, and ωm --9-4-1.Calculation of the Stator Flux λ [→]s --9-4-2.Calculation of the Rotor Flux λ [→]r --9-4-3.Calculation of the Electromagnetic Torque Tem --9-4-4.Calculation of the Rotor Speed ωm --9-5.Calculation of the Stator Voltage Space Vector --9-6.Direct Torque Control Using dq-Axes --9-7.Summary --References --Problems --Appendix 9-A --Derivation of Torque Expressions --10.Vector Control of Permanent-Magnet Synchronous Motor Drives --10-1.Introduction --10-2.d-q Analysis of Permanent Magnet (Nonsalient-Pole) Synchronous Machines --10-2-1.Flux Linkages --10-2-2.Stator dq Winding Voltages --10-2-3.Electromagnetic Torque --10-2-4.Electrodynamics --10-2-5.Relationship between the dq Circuits and the Per-Phase Phasor-Domain Equivalent Circuit in Balanced Sinusoidal Steady State --10-2-6.dq-Based Dynamic Controller for "Brushless DC" Drives --10-3.Salient-Pole Synchronous Machines --10-3-1.Inductances --10-3-2.Flux Linkages --10-3-3.Winding Voltages --10-3-4.Electromagnetic Torque --10-3-5.dq-Axis Equivalent Circuits --10-3-6.Space Vector Diagram in Steady State --10-4.Summary --References --Problems --11.Switched-Reluctance Motor (SRM) Drives --11-1.Introduction --11-2.Switched-Reluctance Motor --11-2-1.Electromagnetic Torque Tem --11-2-2.Induced Back-EMF ea --11-3.Instantaneous Waveforms --11-4.Role of Magnetic Saturation --11-5.Power Processing Units for SRM Drives --11-6.Determining the Rotor Position for Encoderless Operation --11-7.Control in Motoring Mode --11-8.Summary --References --Problems.
Advanced electric drives : analysis, control, and modeling using MATLAB/Simulink
Book
Electronic Resource
Modeling and simulation of power electronics and drives using MATLAB/Simulink
Automotive engineering | 2000
|Modeling and Simulation of Power Electronics and Drives using MATLAB/Simulink
British Library Conference Proceedings | 2000
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