Book description
With nearly two-thirds of global electricity consumed by electric motors, it should come as no surprise that their proper control represents appreciable energy savings. The efficient use of electric drives also has far-reaching applications in such areas as factory automation (robotics), clean transportation (hybrid-electric vehicles), and renewable (wind and solar) energy resource management. Advanced Electric Drives utilizes a physics-based approach to explain the fundamental concepts of modern electric drive control and its operation under dynamic conditions. Author Ned Mohan, a decades-long leader in Electrical Energy Systems (EES) education and research, reveals how the investment of proper controls, advanced MATLAB and Simulink simulations, and careful forethought in the design of energy systems translates to significant savings in energy and dollars. Offering students a fresh alternative to standard mathematical treatments of dq-axis transformation of a-b-c phase quantities, Mohan's unique physics-based approach "visualizes" a set of representative dq windings along an orthogonal set of axes and then relates their currents and voltages to the a-b-c phase quantities. Advanced Electric Drives is an invaluable resource to facilitate an understanding of the analysis, control, and modelling of electric machines.
Gives readers a "physical" picture of electric machines and drives without resorting to mathematical transformations for easy visualization
Confirms the physics-based analysis of electric drives mathematically
Provides readers with an analysis of electric machines in a way that can be easily interfaced to common power electronic converters and controlled using any control scheme
Makes the MATLAB/Simulink files used in examples available to anyone in an accompanying website
Reinforces fundamentals with a variety of discussion questions, concept quizzes, and homework problems
Table of contents
- Title page
- Copyright page
- Preface
- Notation
- 1: Applications: Speed and Torque Control
-
2: Induction Machine Equations in Phase Quantities: Assisted by Space Vectors
- 2-1 Introduction
- 2-2 Sinusoidally Distributed Stator Windings
- 2-3 Stator Inductances (Rotor Open-Circuited)
- 2-4 Equivalent Windings in a Squirrel-Cage Rotor
- 2-5 Mutual Inductances between the Stator and the Rotor Phase Windings
- 2-6 Review of Space Vectors
- 2-7 Flux Linkages
- 2-8 Stator and Rotor Voltage Equations in Terms of Space Vectors
- 2-9 Making the Case for a dq-Winding Analysis
- 2-10 Summary
- Reference
- Problems
-
3: Dynamic Analysis of Induction Machines in Terms of dq Windings
- 3-1 Introduction
- 3-2 dq Winding Representation
- 3-3 Mathematical Relationships of the dq Windings (at an Arbitrary Speed ωd)
- 3-4 Choice of the dq Winding Speed ωd
- 3-5 Electromagnetic Torque
- 3-6 Electrodynamics
- 3-7 d- and q-axis Equivalent Circuits
- 3-8 Relationship between the dq Windings and the Per-Phase Phasor-Domain Equivalent Circuit in Balanced Sinusoidal Steady State
- 3-9 Computer Simulation
- 3-10 Summary
- Reference
- Problems
-
4: Vector Control of Induction-Motor Drives: A Qualitative Examination
- 4-1 Introduction
- 4-2 Emulation of dc and Brushless dc Drive Performance
- 4-3 Analogy to a Current-Excited Transformer with a Shorted Secondary
- 4-4 d- and q-Axis Winding Representation
- 4-5 Vector Control with d-Axis Aligned with the Rotor Flux
- 4-6 Torque, Speed, and Position Control
- 4-7 The Power-Processing Unit (PPU)
- 4-8 Summary
- References
- Problems
- 5: Mathematical Description of Vector Control in Induction Machines
- 6: Detuning Effects in Induction Motor Vector Control
- 7: Dynamic Analysis of Doubly Fed Induction Generators and Their Vector Control
- 8: Space Vector Pulse Width-Modulated (SV-PWM) Inverters
- 9: Direct Torque Control (DTC) and Encoderless Operation of Induction Motor Drives
- 10: Vector Control of Permanent-Magnet Synchronous Motor Drives
- 11: Switched-Reluctance Motor (SRM) Drives
- Index
- End User License Agreement
Product information
- Title: Advanced Electric Drives: Analysis, Control, and Modeling Using MATLAB/Simulink
- Author(s):
- Release date: August 2014
- Publisher(s): Wiley
- ISBN: 9781118485484
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