Mohan's Electric Machines and Drives is part of a three-book series designed for the power sequence electives on Electrical Engineering. The book focuses on power topics including advances in hybrid-electric cars and alternative energy systems, coupled with severe environmental problems associated with hydrocarbon-based fuels. The text builds off Mohan's successful MNPERE titles and adopts a systems approach.
CHAPTER 1 INTRODUCTION TO ELECTRIC DRIVE SYSTEMS
- 1.1 History
- 1.2 What Is an Electric-Motor Drive?
- 1.3 Factors Responsible for the Growth of Electric Drives
- 1.4 Typical Applications of Electric Drives
- 1.5 The Multi-Disciplinary Nature of Drive Systems
- 1.6 Structure of the Textbook
- References
- Problems
CHAPTER 2 UNDERSTANDING MECHANICAL SYSTEM REQUIREMENTS FOR ELECTRIC DRIVES
- 2.1 Introduction
- 2.2 Systems with Linear Motion
- 2.3 Rotating Systems
- 2.4 Friction
- 2.5 Torsional Resonances
- 2.6 Electrical Analogy
- 2.7 Coupling Mechanisms
- 2.8 Types of Loads
- 2.9 Four-Quadrant Operation
- 2.10 Steady State and Dynamic Operations
- References
- Problems
CHAPTER 3 REVIEW OF BASIC ELECTRIC CIRCUITS
- 3.1 Introduction
- 3.2 Phasor Representation in Sinusoidal Steady State
- 3.3 Three-Phase Circuits
- Reference
- Problems
CHAPTER 4 BASIC UNDERSTANDING OF SWITCH-MODE POWER ELECTRONIC CONVERTERS IN ELECTRIC DRIVES
- 4.1 Introduction
- 4.2 Overview of Power Processing Units (PPUs)
- 4.3 Converters for DC Motor Drives ð2Vd , vo , VdÞ
- 4.4 Synthesis of Low-Frequency AC
- 4.5 Three-Phase Inverters
- 4.6 Power Semiconductor Devices
- References
- Problems
CHAPTER 5 MAGNETIC CIRCUITS
- 5.1 Introduction
- 5.2 Magnetic Field Produced by Current-Carrying Conductors
- 5.3 Flux Density B and the Flux f
- 5.4 Magnetic Structures with Air Gaps
- 5.5 Inductances
- 5.6 Faraday’s Law: Induced Voltage in a Coil due to Time-Rate of Change of Flux Linkage 78
- 5.7 Leakage and Magnetizing Inductances
- 5.8 Transformers
- 5.9 Permanent Magnets
- References
- Problems
CHAPTER 6 BASIC PRINCIPLES OF ELECTROMECHANICAL ENERGY CONVERSION
- 6.1 Introduction
- 6.2 Basic Structure
- 6.3 Production of Magnetic Field
- 6.4 Basic Principles of Operation
- 6.5 Application of the Basic Principles
- 6.6 Energy Conversion
- 6.7 Power Losses and Energy Efficiency
- 6.8 Machine Ratings
- References
- Problems
CHAPTER 7 DC-MOTOR DRIVES AND ELECTRONICALLYCOMMUTATED MOTOR (ECM) DRIVES
- 7.1 Introduction
- 7.2 The Structure of DC Machines
- 7.3 Operating Principles of DC Machines
- 7.4 DC-Machine Equivalent Circuit
- 7.5 Various Operating Modes in DC-Motor Drives
- 7.6 Flux Weakening in Wound-Field Machines
- 7.7 Power-Processing Units in DC Drives
- 7.8 Electronically-Commutated Motor (ECM) Drives
- References
- Problems
CHAPTER 8 DESIGNING FEEDBACK CONTROLLERS FOR MOTOR DRIVES
- 8.1 Introduction
- 8.2 Control Objectives
- 8.3 Cascade Control Structure
- 8.4 Steps in Designing the Feedback Controller
- 8.5 System Representation for Small-Signal Analysis
- 8.6 Controller Design
- 8.7 Example of a Controller Design
- 8.8 The Role of Feed-Forward
- 8.9 Effects of Limits
- 8.10 Anti-Windup (Non-Windup) Integration
- References
- Problems and Simulations
CHAPTER 9 INTRODUCTION TO AC MACHINES AND SPACE VECTORS
- 9.1 Introduction
- 9.2 Sinusoidally-Distributed Stator Windings
- 9.3 The Use of Space Vectors to Represent Sinusoidal Field Distributions in the Air Gap
- 9.4 Space-Vector Representation of Combined Terminal Currents and Voltages
- 9.5 Balanced Sinusoidal Steady-State Excitation (Rotor Open-Circuited)
- References
- Problems
CHAPTER 10 SINUSOIDAL PERMANENT MAGNET AC (PMAC) DRIVES, LCI-SYNCHRONOUS MOTOR DRIVES, AND SYNCHRONOUS GENERATORS
- 10.1 Introduction
- 10.2 The Basic Structure of Permanent-Magnet AC (PMAC) Machines
- 10.3 Principle of Operation
- 10.4 The Controller and the Power-Processing Unit (PPU)
- 10.5 Load-Commutated-Inverter (LCI) Supplied Synchronous Motor Drives
- 10.6 Synchronous Generators
- References
- Problems
CHAPTER 11 INDUCTION MOTORS: BALANCED, SINUSOIDAL STEADY STATE OPERATION
- 11.1 Introduction
- 11.2 The Structure of Three-Phase, Squirrel-Cage Induction Motors
- 11.3 The Principles of Induction Motor Operation
- 11.4 Tests to Obtain the Parameters of the Per-Phase Equivalent Circuit
- 11.5 Induction Motor Characteristics at Rated Voltages in Magnitude and Frequency
- 11.6 Induction Motors of Nema Design A, B, C, and D
- 11.7 Line Start
- 11.8 Reduced Voltage Starting ("soft start") of Induction Motors
- 11.9 Energy-Savings in Lightly-Loaded Machines
- 11.10 Doubly-Fed Induction Generators (DFIG) in Wind Turbines
- References
- Problems
CHAPTER 12 INDUCTION-MOTOR DRIVES: SPEED CONTROL
- 12.1 Introduction
- 12.2 Conditions for Efficient Speed Control Over a Wide Range
- 12.3 Applied Voltage Amplitudes to Keep ^ Bms 5 ^ Bms;rated
- 12.4 Starting Considerations in Drives
- 12.5 Capability to Operate below and above the Rated Speed
- 12.6 Induction-Generator Drives
- 12.7 Speed Control of Induction-Motor Drives
- 12.8 Pulse-Width-Modulated Power-Processing Unit
- 12.9 Reduction of ^ Bms at Light Loads
- References
- Problems
CHAPTER 13 RELUCTANCE DRIVES: STEPPER-MOTOR AND SWITCHED-RELUCTANCE DRIVES
- 13.1 Introduction
- 13.2 The Operating Principle of Reluctance Motors
- 13.3 Stepper-Motor Drives
- 13.4 Switched-Reluctance Motor Drives
- References
- Problems
CHAPTER 14 ENERGY EFFICIENCY OF ELECTRIC DRIVES AND INVERTER-MOTOR INTERACTIONS
- 14.1 Introduction
- 14.2 The Definition of Energy Efficiency in Electric Drives
- 14.3 The Energy Efficiency of Induction Motors with Sinusoidal Excitation
- 14.4 The Effects of Switching-Frequency Harmonics on Motor Losses
- 14.5 The Energy Efficiencies of Power-Processing Units
- 14.6 Energy Efficiencies of Electric Drives
- 14.7 The Economics of Energy Savings by Premium-Efficiency Electric Motors and Electric Drives
- 14.8 The Deleterious Effects of The PWM-Inverter Voltage Waveform on Motor Life
- 14.9 Benefits of Using Variable-Speed Drives
- References
- Problem
Electric Machines & Drives: A First Course emphasizes applications of electric machines and drives that are essential for wind turbines and electric and hybrid-electric vehicles. The approach taken is unique in the following respects:
- A systems approach, where Electric Machines are covered in the context of the overall drives with applications that students can appreciate and get enthusiastic about;
- A fundamental and physics-based approach that not only teaches the analysis of electric machines and drives, but also prepares students for learning how to control them in a graduate level course;
- Use of the space-vector-theory that is made easy to understand. They are introduced in this book in such a way that students can appreciate their physical basis;
- A unique way to describe induction machines that clearly shows how they go from the motoring-mode to the generating-mode, for example in wind and electric vehicle applications, and how they ought to be controlled for the most efficient operation.
Key Features
- Concise, balanced and fundamentals-based coverage of a broad range of topics.
- Designed for undergraduates, for industry professionals, and/or graduate research.
- Updated with modern application examples relevant to renewable energy and the ‘smart grid'.
- Supplemented with a wide range of digital resources -- slides, video clips, software-based laboratory exercises and the lab manual.
- Adopts a systems approach, which puts otherwise dry technical detail in the context of applications that motivate students (energy efficiency, hybrid cars, wind turbines, etc.).
- Briefer and more suitable for an undergraduate audience than the competition.
About the Author
- Ned Mohan is a Professor of Electrical and Computer Engineering at the University of Minnesota, where he holds the Oscar A. Schott Chair in Power Electronics. He received his undergraduate education in India at the IIT-Kharagpur and earned his PhD at the University of Wisconsin-Madison. Professor Mohan is a Fellow of the IEEE and a proud recipient of the Distinguished Teaching Award - presented by the Institute of Technology, University of Minnesota - for reinvigorating the field of power electronics and for conveying the innovating teaching methods developed in this field to other universities.
Book Details
- Hardcover: 276 pages
- Publisher: Wiley; 1 edition (2012)
- Language: English
- ISBN-10: 1118074815
- ISBN-13: 978-1118074817
- Product Dimensions: 10.1 x 7 x 0.6 inches
List Price: $131.25