Electric Machines and Drives

Electric Machines and Drives: Principles, Control, Modeling, and Simulation

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Features

  • Provides a clear, concise presentation with outstanding visual content
  • Highlights the importance to physics of electric machines
  • Maintains balance between mathematical rigor and physical insight
  • Presents methods for computer simulation of machine and drive systems
  • Covers drive principles separately from their power electronic implementation
  • Includes numerous simulation cases and an entirely novel chapter on simulation-based optimal design
  • Covers conventional as well as high-performance drive schemes and modern application areas

Summary

Electric machines have a ubiquitous presence in our modern daily lives, from the generators that supply electricity to motors of all sizes that power countless applications. Providing a balanced treatment of the subject, Electric Machines and Drives: Principles, Control, Modeling, and Simulation takes a ground-up approach that emphasizes fundamental principles. The author carefully deploys physical insight, mathematical rigor, and computer simulation to clearly and effectively present electric machines and drive systems.

Detailing the fundamental principles that govern electric machines and drives systems, this book:

  • Describes the laws of induction and interaction and demonstrates their fundamental roles with numerous examples
  • Explores dc machines and their principles of operation
  • Discusses a simple dynamic model used to develop speed and torque control strategies
  • Presents modeling, steady state based drives, and high-performance drives for induction machines, highlighting the underlying physics of the machine
  • Includes coverage of modeling and high performance control of permanent magnet synchronous machines
  • Highlights the elements of power electronics used in electric drive systems
  • Examines simulation-based optimal design and numerical simulation of dynamical systems

Suitable for a one semester class at the senior undergraduate or a graduate level, the text supplies simulation cases that can be used as a base and can be supplemented through simulation assignments and small projects. It includes end-of-chapter problems designed to pick up on the points presented in chapters and develop them further or introduce additional aspects. The book provides an understanding of the fundamental laws of physics upon which electric machines operate, allowing students to master the mathematical skills that their modeling and analysis requires.

Table of Contents

Physics of Electric Machines
Introduction
Laws of Induction and Interaction: A Qualitative View
Induction and Interaction: A Closer Look
Energy Conversion in Electromechanical Systems
Nonlinear Phenomena in Magnetic Circuits
Closing Remarks
Problems
References

Principles of Alternating Current Machines

Introduction
Arrangement of Windings in AC Machines
Poly-Phase Machine Windings
Increasing the Number of Poles
Examples of Winding Arrangements
Winding Inductances
Problems

Principles of Direct Current Machines
Introduction
Elementary Direct Current Machine
Field and Armature Interaction in a DC Machine
Dynamic Modeling of a Separately Excited DC Machine
Steady State Observations and a Lead to Drive Principles
Closed-Loop Speed Control of DC Machines
Converter Circuits for Speed Control
Closing Remarks
Problems
References

Induction Machine Modeling
Introduction
Machine Equations in the ABC Phase Domain
Reference Frame Transformation of Machine Equations
Derivation of a Steady State Model
Equivalent Circuit Parameter Determination and Preparation
Closing Remarks
Problems
References

Steady State Induction Machine Drives
Introduction
Analysis of the Steady State Model
Lead to the Development of Drive Strategies
Stator Voltage Control
Stator Frequency Control
Constant Terminal Volts/Hertz Control
Controlled Stator Current Operation
Closing Remarks
Problems
References

High-Performance Control of Induction Machines
Introduction
Field-Oriented Control (Vector Control)
Direct Torque Control
Closing Remarks
Problems
References

High-Performance Control of Synchronous Machines
Introduction
Three-Phase Permanent Magnet Synchronous Machine Modeling
Torque Control of a PMSM
Closing Remarks
Problems
References

Power Electronic Circuits for Electric Motor Drives
Introduction
Conversion from an AC Source
Conversion from a DC Source
Practical Considerations for Power Electronic Circuits
Closing Remarks
Problems
References

Simulation-Based Design of Electric Drive Systems

Introduction
Principles of Simulation-Based Optimization
Example Cases of Simulation-Based Optimal Design of Electric Drive Systems
Closing Remarks
References
Appendix A: Numerical Simulation of Dynamical Systems
Appendix B: Power Semiconductor Devices
Appendix C: Trigonometric Identities
Index

 
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