AC Motor Control and Electrical Vehicle Applications

AC Motor Control and Electrical Vehicle Applications

by Kwang Hee Nam

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Overview

AC Motor Control and Electrical Vehicle Applications provides a guide to the control of AC motors with a focus on its application to electric vehicles (EV). It describes the rotating magnetic flux, based on which dynamic equations are derived. The text not only deals with the induction motor, but covers the permanent magnet synchronous motors (PMSM). Additionally, the control issues are discussed by taking into account the limitations of voltage and current. The latest edition includes more experimental data and expands upon the topics of inverter, pulse width modulation methods, loss minimizing control, and vehicle dynamics. Various EV motor design issues are also reviewed, while comparing typical types of PMSMs.

Features

  • Considers complete dynamic modeling of induction and PMSM in the rotating frame.
  • Provides various field-oriented controls, while covering advanced topics in PMSM high speed control, loss minimizing control, and sensorless control.
  • Covers inverter, sensors, vehicle dynamics, driving cycles, etc., not just motor control itself.
  • Offers a comparison between BLDC, surface PMSM, and interior PMSM.
  • Discusses how the motor produces torque and is controlled based on consistent mathematical treatments.

Product Details

ISBN-13: 9781351778176
Publisher: CRC Press
Publication date: 09/03/2018
Sold by: Barnes & Noble
Format: NOOK Book
Pages: 556
File size: 28 MB
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About the Author

Dr. Kwang Hee Nam received his B.S. degree in chemical technology and his M.S. degree in control and instrumentation from Seoul National University in 1980 and 1982, respectively. He also earned an M.A. degree in mathematics and a Ph.D. degree in electrical engineering from the University of Texas at Austin in 1986. Since 1987, he has been at POSTECH, where he is now a Professor of electrical engineering. From 1987 to 1992, he participated in the Pohang Light Source (PLS) project as a beam dynamics group leader. He performed electron beam dynamic simulation studies, and designed the magnet lattice for the PLS storage ring. He also served as the director of POSTECH Information Research Laboratories from 1998 to 1999. He is the author of over 150 publications in motor drives and power converters and received a best paper award from the Korean Institute of Electrical Engineers in 1992 and a best transaction paper award from the Industrial Electronics Society of IEEE in 2000. Dr. Nam has worked on numerous industrial projects for major Korean industries, such as POSCO, Hyundai Motor Company, LG Electronics, and Hyundai Mobis. He served as a president of Korean Institute of Power Electronics in 2016. Presently, his research areas include sensorless control, EV propulsion systems, motor design, and EV chargers.

Table of Contents

1 Preliminaries for Motor Control

1.1 Basics of Electromagnetics

1.2 Basics of DC Machines

1.3 Dynamical System Control

2 Rotating Magnetic Field

2.1 Magneto Motive Force and Inductance

2.2 Rotating Field

2.3 Change of Coordinates

2.4 PI Controller in the Synchronous Frame

3 Induction Motor Basics

3.1 IM Construction

3.2 IM Operation Principle

3.3 Leakage Inductances

3.4 Circle Diagram

3.5 Current Displacement

3.6 IM Speed Control

4 Dynamic Modeling of Induction Motors

4.1 Voltage Equation

4.2 IM Dynamic Models

4.3 Power and Torque Equations

5 Induction Motor Control

5.1 Rotor Field Orientated Scheme

5.2 Stator Field Oriented Scheme

5.3 Field Weakening Control

5.4 IM Sensorless Control

5.5 Problems

6 Permanent Magnet AC Motors

6.1 PMSM and BLDCM

6.2 PMSM Dynamic Modeling

6.3 PMSM Torque Equations

6.4 PMSM Block Diagram and Control

7 PMSM Control Methods

7.1 Machine Sizing

7.2 Current Voltage and Speed Limits

7.3 Extending Constant Power Speed Range

7.4 Current Control Methods

8 Magnetism and Motor Losses

8.1 Soft and Hard Ferromagnetism

8.2 Permanent Magnet

8.3 Motor Losses

8.4 Loss Minimizing Control for IPMSMs

9 Sensorless Control of PMSMs

9.1 IPMSM Dynamics in a Misaligned Frame

9.2 Back-EMF Based Angle Estimation

9.3 Sensorless Control by Signal Injection

10 Pulse Width Modulation and Inverter

10.1 Switching Function and Six Step Operation

10.2 PWM Methods

10.3 Common Mode Current and Countermeasures

10.4 Dead Time and Compensation

10.5 Speed/Position and Current Sensors

11 Basics of Motor Design

11.1 Winding Methods

11.2 MMF with Slot Openings

11.3 Fractional Slot Machines

11.4 Demagnetization Analysis

11.5 Torque Analysis

11.6 Reluctance Motors

11.7 Motor Types Depending on PM Arrangements

12 EV Motor Design and Control

12.1 Requirements of EV Motor

12.2 PMSM Design for EVs

12.3 PMSM Design for EV based on FEA

12.4 Finite Element Analysis

12.5 PMSM Fabrication

12.6 PMSM Control in Practice

13 Vehicle Dynamics

13.1 Longitudinal Vehicle Dynamics

13.2 Acceleration Performance and Vehicle Power

13.3 Driving Cycle

14 Hybrid Electric Vehicles

14.1 HEV Basics

14.2 HEV Power Train Configurations

14.3 Series Drive Train

14.4 Parallel Drive Train

14.5 Series/Parallel Drive Train

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