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Full Description
Equips engineers, researchers, and students with the necessary tools to develop innovative and efficient electromechanical systems.
Electric machines are at the heart of modern energy systems, powering everything from industrial automation to electric transportation. Electromagnetic Analysis of Electric Machines provides a rigorous and analytical foundation for understanding the operation of motors, generators, and actuators through first principles. Written by leading experts with decades of teaching and research experience, the book explores the electromagnetic theory underlying electric machinery.
The authors present a structured exploration of key concepts, beginning with fundamental electromagnetic principles before advancing into steady-state and dynamic models of electric machines. Rather than focusing primarily on descriptive methods, this unique textbook emphasizes analytical techniques and mathematical formulations to develop deeper intuition about machine behavior. In-depth chapters cover all major types of electric machines—commutator, synchronous, induction, and reluctance—and integrate modern advancements in materials, power electronics, and control techniques.
Serving as both an academic textbook and a reference for engineers, Electromagnetic Analysis of Electric Machines:
Provides a thorough, first-principles approach to electric machine analysis, bridging theory and real-world applications
Develops analytical techniques to enhance understanding of electromagnetic behavior in motors and generators
Utilizes conservation-of-energy, field-based, and continuum-based methods for force and loss calculations
Includes mathematical formulations and problem-solving approaches for advanced electromechanical systems
Explores practical applications in robotics, transportation, industrial automation, and emerging energy systems
Electromagnetic Analysis of Electric Machines is ideal for graduate students, researchers, and professionals in electrical engineering, particularly those focusing on electric machines, power electronics, and electromechanical systems. Suitable for courses in electric machine analysis, electromechanical energy conversion, and advanced motor design, it supports degree programs in electrical and mechanical engineering.
Contents
Forward
1 Motors, Generators and Electromechanics
A Introduction
B Motors and Generators
C Analyticl Modeling for Further Innovations in the Next Generation of electric machines
D Analytical Modeling for Design Optimizations
E Analytical Modeling for Integrated-Design of Electric Machines, Drives and Other Components
F Analytical Modeling for Physics-Informed Artificial Intelligence
G Developed in the book
2 Circuits and Field Analysis
A Introduction
B Electric Circuits
B.1 Kirchoff's Current Law
B.2 Kirchoff's Voltage Law
B.3 Constitutive Relatioship: Ohm's Law
C Magnetic Circuit Analogs
C.1 Analogy to KCL: Flux Conservation
C.2 Analogy to KVL: MMF
C.3 Analogy to Ohm's Law: Reluctance
D Permanent Magnets
D.1 Permanent Magnetization
D.2 Magnetic Circuits
D.3 Amperian Current
D.4 Chu Magnetic Charge
E Scalar Potential for Field Analysis
E.1 Scalar Porential in Rectangular Coordinates
E.2 Scalar Potential in Cylindrical Coordinates
F Example: Halbach Magnet Array
G Problems for Chapter 2
3 Electromagnetic Fields, Forces and Energy Flow
A Introduction
B Energy Conversion Processes
C Energy Approach to Electromagnetic Forces
C.1 Multiply Excited Systems
C.2 Coenergy
C.3 Example: Simple Solenoid
C.4 Synchronous Machine
C.5 Current Driven Synchronous Machine
C.6 Generalization to Continuous Media
C.7 Permanent Magnets
D Field Descriptiom of Energy Flows: Poynting's Theorem and Lorentz Force
D.1 Rotary Machine: The Faraday Disk and Fields in Motion
E Field Description of Force: Maxwell's Stress Tensor
E.1 Example: Linear Induction Machine
F Surface Impedance and Eddy Currents
F.1 Uniform Conductors
F.2 Example: The Linear Machine and lImiting Cases
G Magnetic Materials
G.1 Magnetization
G.2 Saturation and Hysteresis
G.3 Conduction, Eddy Currents and Laminations
G.4 Complete Penetration in a Thin Lamination
G.5 Solid Ferromagnetic Material
H Semi-Empitical Method of Handling Iron Loss
I Problems for Chapter 3
J. References for Chapter 3
4 Design Synthesis, Optimization and Modeling
A Introduction
B Design Synthesis
B.1 Specifications: Requirements and Attributes
B.2 Monte Carlo Based Synthesis
C The Pareto Surface and Dominance
D Design Example: a Single Phase Transformer
D.1 Description
D.2 Rating
D.3 Equivalent Circuit Model
D.4 Cost of Losses
E Problems fo Chapter 4
F Appendix to Chapter 4: Simple Design Example with Code
5 Synchronous and Brushless DC Machines
A Introduction
B Current Sheet Description
B.1 Continuous Approximation to Winding Patterns
C Classical Synchronous Machine Model
C.1 Balanced Operation
D Operation of motors and generators
E Reonciliation of torque angles
F Per-Unit Systems
F.1 Normal Operation
F.2 Capability
F.3 Vee Curve
G Salient Pole Machines: Two Reaction Theory
H Relating Rating to Size
H.1 Voltage
H.2 Current
H.3 Rating
H.4 Role of Reactance
H.5 Field Winding
I Permanent Magnet Synchronous Machines
I.1 Surface Magnet Machines
I.2 Interior Magnet Machines
I.3 Rating
I.4 Negatively Salient Machines: Operation
J Problemsl for Chapter 5
6 Classical Winding Analysis
A Introduction
B Physical Description: Windings in Slots
C Magnetomotive Force and Flux
D Inductance
D.1 Winding Factors
D.2 Concentric Coils
D.3 Examples of Concentric Coils
D.4 Concentrated, Partial Pitch Windings
D.5 Higher Phase Order
D.6 Sequences
E Stator Slot Leakage
F Problems for Chapter 6
7 Synchronous Machine Dynamic Models
A Introduction
B Phase Variable Model
C Two Reaction Theory
C.1 Speed Voltage
D Power and Torque
E Per-Unit Normalization
F Mechanical Dynamics
G Equal Mutuals Base
H Transient and Subtransient Approximations
I Statement of Simulation Model
I.1 Statement of Parameters
I.2 Example: Balanced Fault Simulation
I.3 Linearized Model
I.4 Reduced Order Model for Electromechanical Transients
I.5 Current Driven Model: Connection to a System
I.6 Restatement of The Model
I.7 Network Constraints
I.8 Example: Line-Line Fault
J Permanent Magnet Machines
J.1 Model: Voltage Driven Machine
J.2 Current Driven Machine
J.3 PM Machine with no Damper
J.4 Current Driven PM Machines with no Damper
K Problemsfor Chapter 7
8 DC (Commutator) Machines
A Introduction
B Basic Geometry
C Torque
D Voltage Induction
E Voltage Driven Operation
F Connections and Capability: Separately Excited
G Series Connection
H Universal Motors
I Commutator
I.1 Commutation Process
I.2 Compensation
J Compound Machines
K Problems for Chapter 8
9 Induction Machines
A Introduction
B Transformer Model
C Operation: Energy Balance
C.1 Example
D Squirrel Cage Machine Model
D.1 Squirrel Cage Currents
D.2 Squirrel Cage Impedance Elements
D.3 Belt Leakage
D.4 Zigzag Leakage
D.5 Operation: Harmonics Interacctions
D.6 Rotor Skew
D.7 Stator Leakage Inductances
D.8 Sattor Winding Resistance
D.9 Rotor End Ring Effects
D.10 Deep Rotor Slots
D.11 Arbitrary Slot Model
D.12 Magnetic Circuit Loss and Excitation
D.13 Effective Air-Gap: Carter's Coefficient
E Single Phase Induction Motors
E.1 Squirrel Cage Model
E.2 Winding Factor
E.3 Operation
E.4 Operation as Affected by Space Harmonics
F Problems for Chapter 9
G References for Chapter 9
10 Switched Reluctance Motors
A Fundamentals and Operating Principles
B Drive Circuitry
C Magnetic Equivelant Circuits Using Flux Tubes
D Multi-Tooth SRMs
E Connected and Modular C-Core SRMs
F SRM
G Self-Starting Torrque in Two-Phased SRMs
H Current Hysteresis Control of SRMs
I Problems for Chapter 10
11 Power electronics drives
A Introduction
B DC Converters
B.1 Buck Converter (Step Down)
B.2 Boost Converter (Step Up)
B.3 Buck-Boost Converters
B.4 Applications of DC Converters in Motor Drives
C Voltage Source Inverter
C.1 Single Phase Half Bridge Inverter
C.2 Three Phase Voltage Source Inverters
D Current Source Inverter
D.1 Single Phase Current Source Inverter
D.2 Three Phase Current Source Inverter
E Pulse Width Modulation
E.1 Fundmemantals of SPWM Technique
E.2 Bipolar SPWM Inverter
E.3 Unipolar SPWM Inverter
E.4 Three Phase SPWM Inverter
F Conductidon and Switching Losses
F.1 Conduction Loss
F.2 MOSFET Switching Power Loss
F.3 Gate Charge Loss
F.4 Deadtime Power Loss
G Problems for Chapter 11
12 Basics of machine control
A Introduction
B Adjustable Frequency Drive in Induction Motors
B.1 Idealized Model: No Stator Reistance
B.2 Correction for Stator Resistance
C Control and Simulation Models
C.1 Induction Machine Model
C.2 Idealized Model of Permanent Magnet Synchronous Machine
D Position Sensors
D.1 Encoder
D.2 Resolver
E Field Oriented Control
E.1 Control Strategy for the Induction Motor
E.2 Control Strategy for a Synchronous Machine
E.3 Principle of Common Parts
E.4 Space Vector Pulse Width Modulation (SVPWM)
F Direct Torque Control
F.1 Torque and Flux Estimator
F.2 Bang-Bang Controller
f.3 Voltage Vector Lookup Table
G Control System Design
G.1 Fundementals of Control System
G.2 Phase and Gain Margins, and Crossover Frequencies
G.3 Coltrol Loop Deisgn for DC Motors and Actuators
G.4 Design Trade-offs of Curent Control Loop
H Stability Analysis
H.1 Mathematical Foundation
H.2 Routh-Hurwitz
I Problems
J References
Totals
