Principles of Electric Machines and Power Electronics, International Adaptation

Höfundur: P. C. Sen (Útgáfa: 3)
Principles of Electric Machines and Power Electronics, International Adaptation

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Principles of Electric Machines and Power Electronics, Third Edition combines the traditional areas of electric machinery with the latest in modern control and power electronics. Multi-machine systems, brushless motors, and switched reluctance motors are covered, as well as constant flux and constant current operation of induction motors. Additional material is included on new solid state devices such as Insulated Gate Bipolar Transistors and MOS-Controlled Thyristors.

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Útgefandi
Wiley Global Education UK
ISBN
9781119770718
Print ISBN
9781119770701
Format
ePub
Útgáfa
3
Höfundar
P. C. Sen
Tungumál
English
Útgefið
05/2021
Prent takmörkun á líftíma
100
Prent takmörkun
10
Afritunar takmörkun
2

Kaflar

  • Front Cover
  • Title Page
  • Copyright Page
  • Dedication
  • Preface
  • About the Author
  • Contents
  • CHAPTER 1: MAGNETIC CIRCUITS
  • 1.1 MAGNETIC CIRCUITS
  • 1.1.1 i–H Relation
  • 1.1.2 Magnetic Properties of Materials and B–H Relation
  • 1.1.3 Magnetic Equivalent Circuit
  • 1.1.4 Magnetization Curve
  • 1.1.5 Magnetic Circuit with Air Gap
  • 1.1.6 Inductance
  • 1.2 HYSTERESIS
  • 1.2.1 Hysteresis Loss
  • 1.2.2 Eddy Current Loss
  • 1.2.3 Core Loss
  • 1.3 RELATIONSHIP BETWEEN FLUX, EMF, AND FORCE
  • 1.3.1 Flux and Induced EMF
  • 1.3.2 Statically and Dynamically Induced EMFs
  • 1.3.3 Relationship Between Current, Flux, and Force
  • 1.4 SINUSOIDAL EXCITATION
  • 1.4.1 Exciting Current
  • 1.5 PERMANENT MAGNET
  • 1.5.1 Magnetization of Permanent Magnets
  • 1.5.2 Approximate Design of Permanent Magnets
  • 1.5.3 Permanent Magnet Materials
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 2: TRANSFORMERS
  • 2.1 IDEAL TRANSFORMER
  • 2.1.1 Impedance Transfer
  • 2.1.2 Polarity
  • 2.1.3 Switching and Inrush Current
  • 2.2 PRACTICAL TRANSFORMER
  • 2.2.1 Referred Equivalent Circuits
  • 2.2.2 Determination of Equivalent Circuit Parameters
  • 2.2.3 Effect of Variation of Supply Frequency and Voltage on Iron Losses
  • 2.3 VOLTAGE REGULATION
  • 2.4 EFFICIENCY
  • 2.4.1 Maximum Efficiency
  • 2.4.2 All-Day (or Energy) Efficiency, ηAD
  • 2.5 TESTS ON TRANSFORMERS
  • 2.5.1 Separation of Hysteresis and Eddy Current Losses
  • 2.5.2 Sumpner’s Test
  • 2.6 AUTOTRANSFORMER
  • 2.7 THREE-PHASE TRANSFORMERS
  • 2.7.1 Bank of Three Single-Phase Transformers (Three-Phase Transformer Bank)
  • 2.7.2 Three-Phase Transformer on a Common Magnetic Core (Three-Phase Unit Transformer)
  • 2.7.3 Three-Phase to Two-Phase Transformation Using Two Transformers
  • 2.7.4 Three-Phase to Six-Phase Conversion
  • 2.7.5 Vector Grouping of Transformers
  • 2.8 HARMONICS IN THREE-PHASE TRANSFORMER BANKS
  • 2.9 THREE-WINDING TRANSFORMERS
  • 2.10 PARALLEL OPERATION OF SINGLE-PHASE AND THREE-PHASE TRANSFORMERS
  • 2.10.1 Load Sharing Between Transformers
  • 2.11 TAP CHANGING OF TRANSFORMERS
  • 2.11.1 Off-Load Tap Changing
  • 2.11.2 On-Load Tap Changing
  • 2.12 PER-UNIT (PU) SYSTEM
  • 2.12.1 Transformer Equivalent Circuit in Per-Unit Form
  • 2.12.2 Full-Load Copper Loss
  • 2.13 HEATING AND COOLING OF TRANSFORMERS
  • 2.13.1 Temperature Rise in Transformers
  • 2.13.2 Transformer Cooling Systems
  • 2.13.3 Cooling Methods
  • 2.14 APPLICATIONS OF TRANSFORMERS
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 3: ELECTROMECHANICAL ENERGY CONVERSION
  • 3.1 ENERGY CONVERSION PROCESS
  • 3.2 FIELD ENERGY
  • 3.2.1 Energy and Coenergy
  • 3.3 MECHANICAL FORCE IN THE ELECTROMAGNETIC SYSTEM
  • 3.3.1 Linear System
  • 3.4 ROTATING MACHINES
  • 3.5 CYLINDRICAL MACHINES
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 4: MACHINE WINDINGS, MMF DISTRIBUTION, AND MAGNETIC FIELDS
  • 4.1 WINDING ARRANGEMENT
  • 4.1.1 Concentrated Winding and MMF Distribution
  • 4.1.2 Induced Voltages
  • 4.1.3 Distributed Winding and MMF Distribution
  • 4.1.4 Winding Factors
  • 4.2 PULSATING AND ROTATING MAGNETIC FIELD
  • 4.2.1 Single-Phase Excitation (Double Revolving Field Theory)
  • 4.2.2 Multi-Phase Excitation and Rotating Magnetic Field
  • 4.3 SPACE HARMONICS
  • 4.4 TIME HARMONICS
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 5: DC MACHINES
  • 5.1 ELECTROMAGNETIC CONVERSION
  • 5.1.1 Condition for Maximum Efficiency
  • 5.2 DC MACHINES
  • 5.2.1 Construction
  • 5.2.2 Evolution of DC Machines
  • 5.2.3 Armature Windings
  • 5.2.4 Armature Voltage
  • 5.2.5 Developed (or Electromagnetic) Torque
  • 5.2.6 Magnetization (or Saturation) Curve of a DC Machine
  • 5.2.7 Classification of DC Machines
  • 5.3 DC GENERATORS
  • 5.3.1 Separately Excited DC Generator
  • 5.3.2 Shunt (Self-Excited) Generator
  • 5.3.3 Compound DC Machines
  • 5.3.4 Series Generator
  • 5.3.5 Interpoles or Commutator Poles
  • 5.3.6 Parallel Operation of DC Generators
  • 5.4 DC MOTORS
  • 5.4.1 Experimental Determination of Efficiency of DC Shunt Machines
  • 5.4.2 Shunt Motor
  • 5.4.3 Series Motor
  • 5.4.4 Starter
  • 5.5 SPEED CONTROL
  • 5.5.1 Ward–Leonard System
  • 5.5.2 Solid-State Control
  • 5.5.3 Closed-Loop Operation
  • 5.6 PERMANENT MAGNET DC (PMDC) MOTORS
  • 5.7 BRAKING OF DC MOTORS
  • 5.8 PRINTED CIRCUIT BOARD (PCB) MOTORS
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 6: INDUCTION (ASYNCHRONOUS) MACHINES
  • 6.1 CONSTRUCTIONAL FEATURES
  • 6.2 INDUCED VOLTAGES
  • 6.3 POLYPHASE INDUCTION MACHINE
  • 6.3.1 Standstill Operation
  • 6.3.2 Phase Shifter
  • 6.3.3 Induction Regulator
  • 6.3.4 Running Operation
  • 6.4 THREE MODES OF OPERATION
  • 6.4.1 Motoring
  • 6.4.2 Generating
  • 6.4.3 Plugging
  • 6.5 INVERTED INDUCTION MACHINE
  • 6.6 EQUIVALENT CIRCUIT MODEL
  • 6.6.1 Stator Winding
  • 6.6.2 Rotor Circuit
  • 6.6.3 Complete Equivalent Circuit
  • 6.6.4 Various Equivalent Circuit Configurations
  • 6.6.5 Thevenin Equivalent Circuit
  • 6.7 NO-LOAD TEST, BLOCKED-ROTOR TEST, AND EQUIVALENT CIRCUIT PARAMETERS
  • 6.8 PERFORMANCE CHARACTERISTICS
  • 6.9 POWER FLOW IN THREE MODES OF OPERATION
  • 6.10 CIRCLE DIAGRAM FOR THE INDUCTION MACHINE
  • 6.11 EFFECTS OF ROTOR RESISTANCE
  • 6.11.1 Wound-Rotor Motors
  • 6.11.2 Deep-Bar Squirrel-Cage Motors
  • 6.11.3 Double-Cage Rotors
  • 6.12 CLASSES OF SQUIRREL-CAGE MOTORS
  • 6.13 SPEED CONTROL
  • 6.13.1 Pole Changing
  • 6.13.2 Line Voltage Control
  • 6.13.3 Line Frequency Control
  • 6.13.4 Constant-Slip Frequency Operation
  • 6.13.5 Closed-Loop Control
  • 6.13.6 Constant-Flux, ФP (or E/f) Operation
  • 6.13.7 Constant-Current Operation
  • 6.13.8 Rotor Resistance Control
  • 6.13.9 Rotor Slip Energy Recovery
  • 6.14 STARTING OF INDUCTION MOTORS
  • 6.15 TIME AND SPACE HARMONICS
  • 6.15.1 Time Harmonics
  • 6.15.2 Space Harmonics
  • 6.16 LINEAR INDUCTION MOTOR (LIM)
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 7: SYNCHRONOUS MACHINES
  • 7.1 CONSTRUCTION OF THREE-PHASE SYNCHRONOUS MACHINES
  • 7.2 SYNCHRONOUS GENERATORS
  • 7.2.1 The Infinite Bus
  • 7.3 SYNCHRONOUS MOTORS
  • 7.4 EQUIVALENT CIRCUIT MODEL
  • 7.4.1 Determination of the Synchronous Reactance Xs
  • 7.4.2 Phasor Diagram
  • 7.4.3 Determination of Voltage Regulation Using the Synchronous Impedance Method
  • 7.4.4 Determination of Voltage Regulation Using the MMF Method
  • 7.4.5 Determination of Voltage Regulation Using the Potier Method
  • 7.5 POWER AND TORQUE CHARACTERISTICS
  • 7.6 CAPABILITY CURVES
  • 7.7 POWER FACTOR CONTROL
  • 7.8 INDEPENDENT GENERATORS
  • 7.9 PARALLEL OPERATION AND LOAD SHARING OF SYNCHRONOUS GENERATORS
  • 7.9.1 Relationship Between Frequency and Real Power, and Voltage and Reactive Power
  • 7.9.2 Parallel Operation of Synchronous Generators with Infinite Bus Bars
  • 7.10 SALIENT POLE SYNCHRONOUS MACHINES
  • 7.10.1 Power Transfer
  • 7.10.2 Determination of Xd and Xq
  • 7.11 SPEED CONTROL OF SYNCHRONOUS MOTORS
  • 7.11.1 Frequency Control
  • 7.11.2 Self-Controlled Synchronous Motor
  • 7.11.3 Closed-Loop Control
  • 7.11.4 Equivalent DC Motor Characteristics
  • 7.12 APPLICATIONS
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 8: SINGLE-PHASE MOTORS
  • 8.1 SINGLE-PHASE INDUCTION MOTORS
  • 8.1.1 Equivalent Circuit of a Single-Phase Induction Motor
  • 8.1.2 Starting of Single-Phase Induction Motors
  • 8.1.3 Classification of Motors
  • 8.1.4 Characteristics and Typical Applications
  • 8.2 STARTING WINDING DESIGN
  • 8.2.1 Design of Split-Phase (Resistance-Start) Motors
  • 8.2.2 Design of Capacitor-Start Motors
  • 8.3 EQUIVALENT CIRCUIT OF A CAPACITOR-RUN MOTOR
  • 8.4 SINGLE-PHASE SERIES (UNIVERSAL) MOTORS
  • 8.5 SINGLE-PHASE SYNCHRONOUS MOTORS
  • 8.5.1 Reluctance Motors
  • 8.5.2 Hysteresis Motors
  • 8.6 SPEED CONTROL
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • CHAPTER 9: SPECIAL MACHINES
  • 9.1 SERVOMOTORS
  • 9.1.1 DC Servomotors
  • 9.1.2 AC Servomotors
  • 9.1.3 Analysis: Transfer Function and Block Diagram
  • 9.1.4 Three-Phase AC Servomotors
  • 9.2 LINEAR SYNCHRONOUS MOTORS (LSM)
  • 9.3 BRUSHLESS DC (BLDC) MOTORS
  • 9.4 SWITCHED RELUCTANCE MOTORS (SRM)
  • 9.4.1 Basic Operation of SRM
  • 9.4.2 Modeling and Torque Production
  • 9.4.3 Power Converter Circuit
  • 9.4.4 Applications
  • 9.5 SYNCHROS
  • 9.5.1 Voltage Relations
  • 9.5.2 Applications
  • 9.6 STEPPER MOTORS
  • 9.6.1 Variable-Reluctance Stepper Motor
  • 9.6.2 Permanent Magnet Stepper Motor
  • 9.6.3 Drive Circuits
  • PROBLEMS
  • MULTIPLE CHOICE QUESTIONS
  • APPENDIX A: BALANCED THREE-PHASE CIRCUITS
  • A.1 SINGLE-PHASE CIRCUITS
  • A.2 BALANCED THREE-PHASE CIRCUITS
  • A.2.1 Star (Y) Connection
  • A.2.2 Delta (Δ) Connection
  • A.3 BALANCED THREE-PHASE LOAD
  • A.4 Δ–Y TRANSFORMATION OF LOAD
  • A.5 PER-PHASE EQUIVALENT CIRCUIT
  • A.6 THREE-PHASE POWER MEASUREMENT
  • APPENDIX B: UNITS AND CONSTANTS
  • B.1 UNITS
  • B.2 CONSTANTS
  • APPENDIX C: LAPLACE TRANSFORMS
  • APPENDIX D: ANSWERS TO SELECTED PROBLEMS*
  • INDEX
  • EULA