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Auteur Ramu Krishnan
Documents disponibles écrits par cet auteur
Affiner la recherche Interroger des sources externesControl in power electronics / Marian P. Kazmierkowski
Titre : Control in power electronics : selected problems Type de document : texte imprimé Auteurs : Marian P. Kazmierkowski, Auteur ; Ramu Krishnan, Auteur ; Frede Blaabjerg, Auteur Editeur : San Diego, London, Boston : Academic Press Année de publication : 2002 Collection : Academic Press Series in Engineering Series Importance : 518 p. Présentation : couv. ill. en coul., ill. Format : 25.4 cm ISBN/ISSN/EAN : 978-0-12-402772-5 Langues : Anglais (eng) Index. décimale : 10-05 Electronique de puissance et industrielle Résumé : The authors were originally brought together to share research and applications through the international Danfoss Professor Programme at Aalborg University in Denmark.
Personal computers would be unwieldy and inefficient without power electronic dc supplies. Portable communication devices and computers would also be impractical. High-performance lighting systems, motor controls, and a wide range of industrial controls depend on power electronics. In the near future we can expect strong growth in automotive applications, dc power supplies for communication systems, portable applications, and high-end converters. We are approaching a time when all electrical energy will be processed and controlled through power electronics somewhere in the path from generation to end use.Note de contenu : Contents:
Part I: PWM Converters: Topologies and Control
1. Power Electronic Converters
2. Resonant dc Link Converters
3. Fundamentals of the Matrix Converter Technology
4. Pulse Width Modulation Techniques for Three-Phase Voltage Source Converters
Part II: Motor Control
5. Control of PWM Inverter-Fed Induction Motors;
6. Energy Optimal Control of Induction Motor Drives;
7. Comparison of Torque Control Strategies Based on the Constant Power Loss Control System for PMSM;
8. Modeling and Control of Synchronous Reluctance Machines
9. Direct Torque and Flux Control (DTFC) of ac Drives
10. Neural Networks and Fuzzy Logic Control in Power Electronics
Part III: Utilities Interface and Wind Turbine Systems
11. Control of Three-Phase PWM Rectifiers
12. Power Quality and Adjustable Speed Drives
13. Wind Turbine Systems
IndexControl in power electronics : selected problems [texte imprimé] / Marian P. Kazmierkowski, Auteur ; Ramu Krishnan, Auteur ; Frede Blaabjerg, Auteur . - San Diego, London, Boston : Academic Press, 2002 . - 518 p. : couv. ill. en coul., ill. ; 25.4 cm. - (Academic Press Series in Engineering Series) .
ISBN : 978-0-12-402772-5
Langues : Anglais (eng)
Index. décimale : 10-05 Electronique de puissance et industrielle Résumé : The authors were originally brought together to share research and applications through the international Danfoss Professor Programme at Aalborg University in Denmark.
Personal computers would be unwieldy and inefficient without power electronic dc supplies. Portable communication devices and computers would also be impractical. High-performance lighting systems, motor controls, and a wide range of industrial controls depend on power electronics. In the near future we can expect strong growth in automotive applications, dc power supplies for communication systems, portable applications, and high-end converters. We are approaching a time when all electrical energy will be processed and controlled through power electronics somewhere in the path from generation to end use.Note de contenu : Contents:
Part I: PWM Converters: Topologies and Control
1. Power Electronic Converters
2. Resonant dc Link Converters
3. Fundamentals of the Matrix Converter Technology
4. Pulse Width Modulation Techniques for Three-Phase Voltage Source Converters
Part II: Motor Control
5. Control of PWM Inverter-Fed Induction Motors;
6. Energy Optimal Control of Induction Motor Drives;
7. Comparison of Torque Control Strategies Based on the Constant Power Loss Control System for PMSM;
8. Modeling and Control of Synchronous Reluctance Machines
9. Direct Torque and Flux Control (DTFC) of ac Drives
10. Neural Networks and Fuzzy Logic Control in Power Electronics
Part III: Utilities Interface and Wind Turbine Systems
11. Control of Three-Phase PWM Rectifiers
12. Power Quality and Adjustable Speed Drives
13. Wind Turbine Systems
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Exemplaires
Code-barres Cote Support Localisation Section Disponibilité N.Inventaire 01 10-05-02 Livre Bibliothèque de Génie Electrique- USTO Documentaires Disponible 01 Electric motor drives / Ramu Krishnan
Titre : Electric motor drives : modeling, analysis, and control Type de document : texte imprimé Auteurs : Ramu Krishnan, Auteur Editeur : New Jersey : Prentice-Hall Année de publication : 2001 Importance : 626 p. Présentation : couv. ill. en coul., ill. Format : 23,7 cm. ISBN/ISSN/EAN : 978-0-13-091014-1 Langues : Anglais (eng) Index. décimale : 10-03 Machines éléctriques Résumé : Electric Motor Drives is a comprehensive book for seniors, graduates, and practicing engineers. Designed to motivate students and professional engineers alike, the book emphasizes a systematic approach to motor drives based on physical insight and practical implementation aspects. DC and AC drives share the same pedagogical framework throughout. Present day practice as well as recent research and development are covered. Note de contenu : Contents:
1. Introduction.
Power Devices. Motor Drive. Scope of the Book.
2. Modeling of DC Machines.
Theory of Operation. Induced Emf. Equivalent Circuit & Electromagnetic Torque. Electromechanical Modeling. State Space Modeling. Block Diagram & Transfer Functions. Field Excitation. Measurement of Motor Constants. Flow Chart for Computation.
3. Phase Controlled DC Motor Drives.
Principles of Dc Motor Drives. Phase Controlled Converters. Steady State Analysis of the Three Phase Converter Controlled Dc Motor Drive. Two Quadrant Three Phase Converter Controlled Dc Motor Drive. Transfer Functions of the Subsystems. Design of Controllers. Two Quadrant Dc Motor Drive with Field Weakening. Four Quadrant Dc Motor Drive. Converter Selection and Characteristics. Simulation of the One-Quadrant Dc Motor Drive. Harmonics & Associated Problems. Sixth Harmonic Torque. Application Considerations. Applications. Parameter Sensitivity. Research Status.
4. Chopper Controlled DC Motor Drives.
Principle of Operation of the Chopper. Four Quadrant Chopper Circuit. Chopper for Inversion. Chopper with other Power Devices. Model of the Chopper. Input to the Chopper. Other Chopper Circuits. Steady State Analysis of Chopper Controlled Dc Motor Drive. Rating of the Devices Pulsating Torques. Closed Loop Operation. Dynamic Simulation of the Speed Controlled Dc Motor Drive. Application.
5. Polyphase Induction Machines.
Construction and Principle of Operation. Induction Motor Equivalent Circuit. Steady State Performance Equations of the Induction Motor. Steady State Performance. Measurements of Motor Parameters. Dynamic Modeling of Induction Machines. Dynamics Simulation. Small-Signal Equations of the Induction Machine. Evaluation of Control Characteristics. Space Phasor Model. Control Principle of the Induction Motor.
6. Phase Controlled Induction Motor Drives.
Stator Voltage Control. Slip Energy Recovery Scheme.
7. Frequency Controlled Induction Motor Drives.
Static Frequency Changers. Voltage Source Inverter. Voltage Source Inverter Driven Induction Motor. Current Source Induction Motor Drives. Applications.
8. Vector Controlled Induction Motor-Drives.
Principle of Vector Control. Direct Vector Control. Derivation of Indirect Vector Control Scheme. Indirect Vector Control Scheme. An Implementation of Indirect Vector Control Scheme. Tuning of the Vector Controller. Flowchart of Dynamic Computation. Dynamic Simulation Results. Parameter Sensitivity of the Indirect Vector Controlled Induction Motor Drive. Parameter Sensitivity Compensation. Flux Weakening Operation. Speed Controlled Design of an Indirect Vector Controlled Induction Motor Drive. Performance and Applications. Research Status.
Principle of Vector Control. Direct Vector Control. Derivation of Indirect Vector Control Scheme. Indirect Vector Control Scheme. An Implementation of Indirect Vector Control Scheme. Tuning of the Vector Controller. Flowchart of Dynamic Computation. Dynamic Simulation Results. Parameter Sensitivity of the Indirect Vector Controlled Induction Motor Drive. Parameter Sensitivity Compensation. Flux Weakening Operation. Speed Controlled Design of an Indirect Vector Controlled Induction Motor Drive. Performance and Applications. Research Status.
9. Permanent Magnet Synchronous and Brushless DC Motor Drives.
Vector Control of PM Synchronous Motor (PMSM). Control Strategies. Flux Weakening Operation. Speed Controller Design. Sensorless Control. Parameter Sensitivity. PM Brushless DC Motor (PMDBCM)Electric motor drives : modeling, analysis, and control [texte imprimé] / Ramu Krishnan, Auteur . - New Jersey : Prentice-Hall, 2001 . - 626 p. : couv. ill. en coul., ill. ; 23,7 cm.
ISBN : 978-0-13-091014-1
Langues : Anglais (eng)
Index. décimale : 10-03 Machines éléctriques Résumé : Electric Motor Drives is a comprehensive book for seniors, graduates, and practicing engineers. Designed to motivate students and professional engineers alike, the book emphasizes a systematic approach to motor drives based on physical insight and practical implementation aspects. DC and AC drives share the same pedagogical framework throughout. Present day practice as well as recent research and development are covered. Note de contenu : Contents:
1. Introduction.
Power Devices. Motor Drive. Scope of the Book.
2. Modeling of DC Machines.
Theory of Operation. Induced Emf. Equivalent Circuit & Electromagnetic Torque. Electromechanical Modeling. State Space Modeling. Block Diagram & Transfer Functions. Field Excitation. Measurement of Motor Constants. Flow Chart for Computation.
3. Phase Controlled DC Motor Drives.
Principles of Dc Motor Drives. Phase Controlled Converters. Steady State Analysis of the Three Phase Converter Controlled Dc Motor Drive. Two Quadrant Three Phase Converter Controlled Dc Motor Drive. Transfer Functions of the Subsystems. Design of Controllers. Two Quadrant Dc Motor Drive with Field Weakening. Four Quadrant Dc Motor Drive. Converter Selection and Characteristics. Simulation of the One-Quadrant Dc Motor Drive. Harmonics & Associated Problems. Sixth Harmonic Torque. Application Considerations. Applications. Parameter Sensitivity. Research Status.
4. Chopper Controlled DC Motor Drives.
Principle of Operation of the Chopper. Four Quadrant Chopper Circuit. Chopper for Inversion. Chopper with other Power Devices. Model of the Chopper. Input to the Chopper. Other Chopper Circuits. Steady State Analysis of Chopper Controlled Dc Motor Drive. Rating of the Devices Pulsating Torques. Closed Loop Operation. Dynamic Simulation of the Speed Controlled Dc Motor Drive. Application.
5. Polyphase Induction Machines.
Construction and Principle of Operation. Induction Motor Equivalent Circuit. Steady State Performance Equations of the Induction Motor. Steady State Performance. Measurements of Motor Parameters. Dynamic Modeling of Induction Machines. Dynamics Simulation. Small-Signal Equations of the Induction Machine. Evaluation of Control Characteristics. Space Phasor Model. Control Principle of the Induction Motor.
6. Phase Controlled Induction Motor Drives.
Stator Voltage Control. Slip Energy Recovery Scheme.
7. Frequency Controlled Induction Motor Drives.
Static Frequency Changers. Voltage Source Inverter. Voltage Source Inverter Driven Induction Motor. Current Source Induction Motor Drives. Applications.
8. Vector Controlled Induction Motor-Drives.
Principle of Vector Control. Direct Vector Control. Derivation of Indirect Vector Control Scheme. Indirect Vector Control Scheme. An Implementation of Indirect Vector Control Scheme. Tuning of the Vector Controller. Flowchart of Dynamic Computation. Dynamic Simulation Results. Parameter Sensitivity of the Indirect Vector Controlled Induction Motor Drive. Parameter Sensitivity Compensation. Flux Weakening Operation. Speed Controlled Design of an Indirect Vector Controlled Induction Motor Drive. Performance and Applications. Research Status.
Principle of Vector Control. Direct Vector Control. Derivation of Indirect Vector Control Scheme. Indirect Vector Control Scheme. An Implementation of Indirect Vector Control Scheme. Tuning of the Vector Controller. Flowchart of Dynamic Computation. Dynamic Simulation Results. Parameter Sensitivity of the Indirect Vector Controlled Induction Motor Drive. Parameter Sensitivity Compensation. Flux Weakening Operation. Speed Controlled Design of an Indirect Vector Controlled Induction Motor Drive. Performance and Applications. Research Status.
9. Permanent Magnet Synchronous and Brushless DC Motor Drives.
Vector Control of PM Synchronous Motor (PMSM). Control Strategies. Flux Weakening Operation. Speed Controller Design. Sensorless Control. Parameter Sensitivity. PM Brushless DC Motor (PMDBCM)Exemplaires
Code-barres Cote Support Localisation Section Disponibilité N.Inventaire 3580 10-03-115 Livre Bibliothèque de Génie Electrique- USTO Documentaires Exclu du prêt 3580 3581 10-03-115 Livre Bibliothèque de Génie Electrique- USTO Documentaires Exclu du prêt 3581 Permanent Magnet Synchronous and Brushless DC Motor Drives / Ramu Krishnan
Titre : Permanent Magnet Synchronous and Brushless DC Motor Drives Type de document : texte imprimé Auteurs : Ramu Krishnan, Auteur Editeur : Boca Raton; London; New York : CRC Press Année de publication : 2010 Importance : 575 p. Présentation : couv. ill. en coul., ill. Format : 23.4 cm ISBN/ISSN/EAN : 978-0-8247-5384-9 Langues : Anglais (eng) Index. décimale : 10-03 Machines éléctriques Résumé : Despite two decades of massive strides in research and development on control strategies and their subsequent implementation, most books on permanent magnet motor drives still focus primarily on motor design, providing only elementary coverage of control and converters.
Addressing that gap with information that has largely been disseminated only in journals and at conferences, Permanent Magnet Synchronous and Brushless DC Motor Drives is a long-awaited comprehensive overview of power electronic converters for permanent magnet synchronous machines and control strategies for variable-speed operation. It introduces machines, power devices, inverters, and control, and addresses modeling, implementation, control strategies, and flux weakening operations, as well as parameter sensitivity, and rotor position sensorless control. Suitable for both industrial and academic audiences, this book also covers the simulation, low cost inverter topologies, and commutation torque ripple of PM brushless DC motor drives. Simulation of the motor drives system is illustrated with MATLAB® codes in the text.
This book is divided into three parts―fundamentals of PM synchronous and brushless dc machines, power devices, inverters; PM synchronous motor drives, and brushless dc motor drives. With regard to the power electronics associated with these drive systems, the author:
Explores use of the standard three-phase bridge inverter for driving the machine, power factor correction, and inverter control
Introduces space vector modulation step by step and contrasts with PWM
Details dead time effects in the inverter, and its compensation
Discusses new power converter topologies being considered for low-cost drive systems in PM brushless DC motor drivesNote de contenu : Contents:
PART I: Introduction to Permanent Magnets and Machines and Converters and Control
Chapter 1 Permanent Magnets and Machines
Permanent Magnets
Arrangement of PMs
Magnetization of PMs
PM ac Machines
Fundamentals of Synchronous Machines
Fundamental Synchronous Machine Relationships
Core Losses
Resistive Losses
Initial Machine Design
Cogging Torque
Basic Types of PMSMs Based on Flux Paths
Vibration and Noise
Chapter 2 Introduction to Inverters and Their Control
Power Device
DC Input Source
DC to ac Power Conversion
Real Power
Reactive Power
Need for Inverter Control
Pulse Width Modulation
Hysteresis Current Control
Space Vector Modulation
Inverter Switching Delay
Input Power Factor Correction Circuit
Four-Quadrant Operation
Converter Requirements
PART II: Permanent Magnet Synchronous Machines and Their Control
Chapter 3 Dynamic Modeling of Permanent Magnet Synchronous Machines
Real-Time Model of a Two-Phase PMSM
Transformation to Rotor Reference Frames
Three-Phase to Two-Phase Transformation
Zero Sequence Inductance Derivation
Power Equivalence
Electromagnetic Torque
Steady-State Torque Characteristics
Models in Flux Linkages
Equivalent Circuits
Per Unit Model
Dynamic Simulation
Small-Signal Equations of the PMSM
Evaluation of Control Characteristics of the PMSM
Computation of Time Responses
Space Phasor Model
Chapter 4 Control Strategies for a Permanent Magnet Synchronous Machine
Vector Control
Derivation of Vector Control
Drive System Schematic
Control Strategies
Chapter 5 Flux-Weakening Operation
Maximum Speed
Flux-Weakening Algorithm
Direct Flux Weakening
Parameter Sensitivity
Model-Free (Parameter-Insensitive) Flux-Weakening Method
Six-Step Voltage and Constant Back EMF Control
Strategies for PMSM
Direct Steady-State Evaluation
Flux Weakening in SMPM and IPM Synchronous Machines
Chapter 6 Design of Current and Speed Controllers
Current Controller
Speed Controller
Chapter 7 Parameter Sensitivity and Compensation
Introduction
Parameter Compensation through Air Gap Power Feedback Control
Parameter Compensation by Reactive Power Feedback Control
Chapter 8 Rotor Position Estimation and Position Sensorless Control
Current Model Adaptive Scheme
Sensing by External Signal Injection
Current Model-Based Injection Scheme
Position Estimation Using PWM Carrier Components
PART III: Permanent Magnet Brushless DC Machines and Their Control
Chapter 9 PM Brushless DC Machine
Modeling of PM Brushless DC Motor
Normalized System Equations
The PMBDCM Drive Scheme
Dynamic Simulation
Chapter 10 Commutation Torque Ripple and Phase Advancing
Commutation Torque Ripple
Phase Advancing
Dynamic Modeling
Chapter 11 Half-Wave PMBDCM Drives
Split Supply Converter Topology
C-Dump Topology
Variable DC Link Converter Topology
Variable Voltage Converter Topology with Buck-Boost Front-End
Chapter 12 Design of Current and Speed Controllers
Transfer Function of Machine and Load
Inverter Transfer Function
Transfer Functions of Current and Speed Controllers
Current Feedback
Speed Feedback
Design of Controllers
Chapter 13 Sensorless Control of PMBDCM Drive
Current Sensing
Position Estimation
Chapter 14 Special Issues
Torque Smoothing
Parameter Sensitivity of the PMBDCM Drive
Faults and Their Diagnosis
Vibration and NoisePermanent Magnet Synchronous and Brushless DC Motor Drives [texte imprimé] / Ramu Krishnan, Auteur . - Boca Raton; London; New York : CRC Press, 2010 . - 575 p. : couv. ill. en coul., ill. ; 23.4 cm.
ISBN : 978-0-8247-5384-9
Langues : Anglais (eng)
Index. décimale : 10-03 Machines éléctriques Résumé : Despite two decades of massive strides in research and development on control strategies and their subsequent implementation, most books on permanent magnet motor drives still focus primarily on motor design, providing only elementary coverage of control and converters.
Addressing that gap with information that has largely been disseminated only in journals and at conferences, Permanent Magnet Synchronous and Brushless DC Motor Drives is a long-awaited comprehensive overview of power electronic converters for permanent magnet synchronous machines and control strategies for variable-speed operation. It introduces machines, power devices, inverters, and control, and addresses modeling, implementation, control strategies, and flux weakening operations, as well as parameter sensitivity, and rotor position sensorless control. Suitable for both industrial and academic audiences, this book also covers the simulation, low cost inverter topologies, and commutation torque ripple of PM brushless DC motor drives. Simulation of the motor drives system is illustrated with MATLAB® codes in the text.
This book is divided into three parts―fundamentals of PM synchronous and brushless dc machines, power devices, inverters; PM synchronous motor drives, and brushless dc motor drives. With regard to the power electronics associated with these drive systems, the author:
Explores use of the standard three-phase bridge inverter for driving the machine, power factor correction, and inverter control
Introduces space vector modulation step by step and contrasts with PWM
Details dead time effects in the inverter, and its compensation
Discusses new power converter topologies being considered for low-cost drive systems in PM brushless DC motor drivesNote de contenu : Contents:
PART I: Introduction to Permanent Magnets and Machines and Converters and Control
Chapter 1 Permanent Magnets and Machines
Permanent Magnets
Arrangement of PMs
Magnetization of PMs
PM ac Machines
Fundamentals of Synchronous Machines
Fundamental Synchronous Machine Relationships
Core Losses
Resistive Losses
Initial Machine Design
Cogging Torque
Basic Types of PMSMs Based on Flux Paths
Vibration and Noise
Chapter 2 Introduction to Inverters and Their Control
Power Device
DC Input Source
DC to ac Power Conversion
Real Power
Reactive Power
Need for Inverter Control
Pulse Width Modulation
Hysteresis Current Control
Space Vector Modulation
Inverter Switching Delay
Input Power Factor Correction Circuit
Four-Quadrant Operation
Converter Requirements
PART II: Permanent Magnet Synchronous Machines and Their Control
Chapter 3 Dynamic Modeling of Permanent Magnet Synchronous Machines
Real-Time Model of a Two-Phase PMSM
Transformation to Rotor Reference Frames
Three-Phase to Two-Phase Transformation
Zero Sequence Inductance Derivation
Power Equivalence
Electromagnetic Torque
Steady-State Torque Characteristics
Models in Flux Linkages
Equivalent Circuits
Per Unit Model
Dynamic Simulation
Small-Signal Equations of the PMSM
Evaluation of Control Characteristics of the PMSM
Computation of Time Responses
Space Phasor Model
Chapter 4 Control Strategies for a Permanent Magnet Synchronous Machine
Vector Control
Derivation of Vector Control
Drive System Schematic
Control Strategies
Chapter 5 Flux-Weakening Operation
Maximum Speed
Flux-Weakening Algorithm
Direct Flux Weakening
Parameter Sensitivity
Model-Free (Parameter-Insensitive) Flux-Weakening Method
Six-Step Voltage and Constant Back EMF Control
Strategies for PMSM
Direct Steady-State Evaluation
Flux Weakening in SMPM and IPM Synchronous Machines
Chapter 6 Design of Current and Speed Controllers
Current Controller
Speed Controller
Chapter 7 Parameter Sensitivity and Compensation
Introduction
Parameter Compensation through Air Gap Power Feedback Control
Parameter Compensation by Reactive Power Feedback Control
Chapter 8 Rotor Position Estimation and Position Sensorless Control
Current Model Adaptive Scheme
Sensing by External Signal Injection
Current Model-Based Injection Scheme
Position Estimation Using PWM Carrier Components
PART III: Permanent Magnet Brushless DC Machines and Their Control
Chapter 9 PM Brushless DC Machine
Modeling of PM Brushless DC Motor
Normalized System Equations
The PMBDCM Drive Scheme
Dynamic Simulation
Chapter 10 Commutation Torque Ripple and Phase Advancing
Commutation Torque Ripple
Phase Advancing
Dynamic Modeling
Chapter 11 Half-Wave PMBDCM Drives
Split Supply Converter Topology
C-Dump Topology
Variable DC Link Converter Topology
Variable Voltage Converter Topology with Buck-Boost Front-End
Chapter 12 Design of Current and Speed Controllers
Transfer Function of Machine and Load
Inverter Transfer Function
Transfer Functions of Current and Speed Controllers
Current Feedback
Speed Feedback
Design of Controllers
Chapter 13 Sensorless Control of PMBDCM Drive
Current Sensing
Position Estimation
Chapter 14 Special Issues
Torque Smoothing
Parameter Sensitivity of the PMBDCM Drive
Faults and Their Diagnosis
Vibration and NoiseExemplaires
Code-barres Cote Support Localisation Section Disponibilité N.Inventaire 2698 10-03-56 Livre Bibliothèque de Génie Electrique- USTO Documentaires Exclu du prêt 2698 1653 10-03-56 Livre Bibliothèque de Génie Electrique- USTO Documentaires Exclu du prêt 1653



