(Ebook) Permanent magnet motor technology design and applications 2nd Edition by Jacek Gieras, Mitchell Wing ISBN 978-0824707392 0824707397

(Ebook) Permanent magnet motor technology design and applications 2nd Edition by Jacek Gieras, Mitchell Wing ISBN 978-0824707392 0824707397

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Product details: 

ISBN 10:  0824707397

ISBN 13: 978-0824707392

Author: Jacek F. Gieras, Mitchell Wing

Co-authored by a world-renowned expert in the field, Permanent Magnet Motor Technology: Design and Applications, Second Edition demonstrates the construction of PM motor drives and supplies ready-to-implement solutions for common roadblocks. The author presents fundamental equations and calculations to determine and evaluate system performance, efficiency, and reliability; explores modern computer-aided design of PM motors, including the finite element approach; and covers how to select PM motors to meet the specific requirements of electrical drives. The numerous examples, models, and diagrams provided in each chapter give the reader a clear understanding of motor operations and characteristics.

Table of contents: 

1 Introduction

1.1 Permanent magnet versus electromagnetic excitation

1.2 Permanent magnet motor drives

1.2.1 d.c. commutator motor drives

1.2.2 a.c. synchronous motor drives

1.2.3 PM d.c. brushless motor drives

1.2.4 Stepping motor drives

1.3 Towards increasing the motor efficiency

1.4 Classification of permanent magnet electric motors

1.5 Trends in permanent magnet motors and drives industry

1.6 Applications of permanent magnet motors

1.7 Mechatronics

1.8 Fundamentals of mechanics of machines

1.8.1 Torque and power

1.8.2 Simple gear trains

1.8.3 Efficiency of a gear train.

1.8.4 Equivalent moment of inertia

1.8.5 Mechanical characteristics of machines

1.9 Torque balance equation

1.10 Evaluation of cost of a PM motor

Numerical examples

2 Permanent Magnet Materials and Circuits

2.1 Demagnetization curve and magnetic parameters

2.2 Early history of permanent magnets

2.3 Properties of permanent magnets

2.3.1 Alnico

2.3.2 Ferrites

2.3.3 Rare-earth permanent magnets

2.4 Approximation of demagnetization curve and recoil line

2.5 Operating diagram

2.5.1 Construction of the operating diagram

2.5.2 Operating point for magnetization without armature.

2.5.3 Operating point for magnetization with armature

2.5.4 Magnets with different demagnetization curves

2.6 Permeances for main and leakage fluxes

2.6.1 Permeance evaluation by flux plotting

2.6.2 Permeance evaluation by dividing the magnetic field into simple solids

2.6.3 Calculation of leakage permeances for prisms and cylinders located in an open space

2.7 Calculation of magnetic circuits with permanent magnets.

Numerical examples

3 Finite Element Analysis

3.1 (del) operator

3.2 Biot-Savart, Faraday's, and Gauss's laws

3.2.1 Biot-Savart law

3.2.2 Faraday's law

3.2.3 Gauss's law

3.3 Gauss's theorem

3.4 Stokes' theorem

3.5 Maxwell's equations

3.5.1 First Maxwell's equation.

3.5.2 Second Maxwell's equation

3.5.3 Third Maxwell's equation

3.5.4 Fourth Maxwell's equation

3.6 Magnetic vector potential

3.7 Energy functionals

3.8 Finite element formulation

3.9 Boundary conditions

3.9.1 Dirichlet boundary conditions

3.9.2 Neumann boundary conditions

3.9.3 Interconnection boundary conditions

3.10 Mesh generation

3.11 Forces and torques in electromagnetic field.

3.11.1 Maxwell stress tensor

3.11.2 Co-energy method

3.11.3 Lorentz force theorem

3.12 Inductances

3.12.1 Definitions

3.12.2 Dynamic inductances

3.12.3 Steady-state inductance

3.12.4 Reactances of synchronous machines

3.12.5 Synchronous reactances

3.12.6 Armature reaction reactances

3.12.7 Leakage reactance

3.13 Interactive FEM programs

3.13.1 Pre-processor

3.13.2 Solver

3.13.3 Post-processor

Numerical examples

4 d.c. Commutator Motors

4.1 Construction

4.1.1 Slotted-rotor PM d.c. motors

4.1.2 Slotless-rotor PM motors

4.1.3 Moving-coil cylindrical motors

4.1.4 Disk motors.

4.2 Fundamental equations.

4.2.1 Terminal voltage

4.2.2 Armature winding EMF

4.2.3 Electromagnetic (developed) torque

4.2.4 Electromagnetic power.

4.2.5 Rotor and commutator linear speed

4.2.6 Input and output power

4.2.7 Losses

4.2.8 Pole pitch......

4.2.9 Air gap magnetic flux density

4.2.10 Armature line current density

4.2.11 Armature winding current density

4.2.12 Armature winding resistance

4.2.13 Armature winding inductance

4.2.14 Mechanical time constant

4.3 Sizing procedure

4.4 Armature reaction

4.5 Commutation

4.6 Starting

4.7 Speed control

4.7.1 Armature terminal-voltage speed control

4.7.2 Armature rheostat speed control

4.7.3 Shunt-field control

4.7.4 Chopper variable-voltage speed control

4.8 Magnetic circuit

4.8.1 MMF per pole

4.8.2 Air gap permeance

4.8.3 Leakage permeances

4.9 Applications.

4.9.1 Toys

4.9.2 Car starters

4.9.3 Underwater vehicles

4.9.4 Linear actuators

4.9.5 Wheelchairs

Numerical examples

5 Theory of Permanent Magnet Synchronous Motors

5.1 Construction

5.2 Fundamental relationships

5.2.1 Speed

5.2.2 Air gap magnetic flux density

5.2.3 Voltage induced (EMF)

5.2.4 Armature line current density

5.2.5 Electromagnetic power

5.2.6 Synchronous reactance.

5.2.7 Subtransient synchronous reactance

5.2.8 Transient synchronous reactance

5.2.9 Electromagnetic (developed) torque

5.2.10 Form factor of the excitation field

5.2.11 Form factors of the armature reaction

5.2.12 Reaction factor

5.2.13 Equivalent field MMF

5.2.14 Armature reaction reactance

5.3 Phasor diagram.

5.4 Characteristics

5.5 Starting

5.5.1 Starting by means of an auxiliary motor

5.5.2 Frequency-change starting

5.5.3 Asynchronous starting

5.6 Reactances

5.6.1 Analytical approach

5.6.2 FEM

5.6.3 Experimental method

5.7 Rotor configurations

5.7.1 Merrill's rotor..

5.7.2 Interior-type PM motors

5.7.3 Surface PM motors.

5.7.4 Inset-type PM rotor

5.7.5 Buried PM motors

5.8 Comparison between synchronous and induction motors

5.9 Sizing procedure and main dimensions

5.10 Performance calculation

5.11 Dynamic model of a PM motor

5.12 Noise and vibration of electromagnetic origin

5.12.1 Radial forces

5.12.2 Deformation of the stator core

5.12.3 Natural frequencies of the stator

5.13 Applications.

5.13.1 Open loop control

5.13.2 High-performance closed loop control.

5.13.3 High-performance adaptive fuzzy control

Numerical examples

6 d.c. Brushless Motors

6.1 Fundamental equations.

6.1.1 Terminal voltage

6.1.2 Instantaneous current

6.1.3 EMF.

6.1.4 Electromagnetic torque

6.1.5 Electromagnetic torque of a synchronous motor

6.1.6 Electromagnetic torque of a PM

brushless d.c. motor

6.1.7 Linear and rotational speed of brushless motors

6.2 Commutation of PM brushless motors

6.2.1 Half-wave sinusoidal operation

6.2.2 Full-wave operation

6.3 EMF and torque of PM brushless motors

6.3.1 Synchronous motor.

6.3.2 PM d.c. brushless motors

6.4 Torque-speed characteristics.

6.5 Winding losses

6.6 Torque ripple

6.6.1 Sources of torque pulsations.

6.6.2 Numerical methods of instantaneous torque calculation

6.6.3 Analytical methods of instantaneous torque calculation

6.6.4 Minimization of torque ripple

6.7 Rotor position sensing of d.c. brushless motors

6.7.1 Hall sensors

6.7.2 Encoders

6.7.3 Resolvers

6.8 Sensorless motors

6.9 Motion Control of PM brushless motors

6.9.1 Converter fed motors.

6.9.2 Servo amplifiers.

6.9.3 Microcontrollers

6.9.4 DSP control.

6.10 Universal brushless motors

6.11 Smart motors

6.12 Applications of dic. brushless motors

6.12.1 Electric vehicles

6.12.2 Variable-speed fans.

6.12.3 Computer disk drives

6.12.4 Record players

6.12.5 CD players and CD ROMs

6.12.6 Factory automation

6.12.7 X-Y tables

6.12.8 Sheep shearing handpieces.

6.12.9 High-speed aerospace drives

6.12.10 Space mission tools.

Numerical examples

7 Axial Flux Motors

7.1 Double-sided motor with internal PM disk rotor

7.1.1 Stator core

7.1.2 Main dimensions

7.2 Double-sided motor with one stator.

7.3 Single-sided motors..

7.4 Ironless double-sided motors

7.5 Multidisk motors

7.6 Applications..

7.6.1 Electric vehicles

7.6.2 Gearless elevator propulsion system

7.6.3 Propulsion of unmanned submarines

7.6.4 Counterrotating rotor ship propulsion system

Numerical examples

8 High Power Density Brushless Motors

8.1 Design considerations

8.2 Requirements

8.3 Multiphase motors

8.4 Surface PM versus salient-pole rotor

8.5 Electromagnetic effects..

8.5.1 Armature reaction

8.5.2 Damper

8.5.3 Winding losses in large motors

8.5.4 Minimization of losses

8.5.5 Cooling

8.5.6 Corrosion of PMs.

8.6 Construction of motors with cylindrical rotors

8.6.1 Motor with reduced artnature reaction

8.6.2 Motors with modular stators

8.6.3 Study of large PM motors with different rotor configurations.

8.7 Construction of motors with (lisk rotors

8.8 Transverse flux motors

8.8.1 Principle of operation

8.8.2 EMF and electromagnetic torque

8.8.3 Armature winding resistance

8.8.4 Armature reaction and leakage reactance

8.8.5 Magnetic circuit

8.8.6 Advantages and disadvantages

8.9 Applications.

8.9.1 Ship propulsion.

8.9.2 Submarine propulsion

8.9.3 Hybrid electric transit bus

8.9.4 Light rail system

Numerical examples

9 Brushless Motors of Special Construction

9.1 Single-phase motors

9.1.1 Single-phase two-pole motors with nonuniform air gap

9.1.2 Single-phase multi-pole motors with oscillatory starting

9.1.3 Single-phase converter-fed PM brushless motors.

9.2 Micromachine world

9.3 Permanent magnet micromotors.

9.3.1 Micromotors with planar coils.

9.3.2 Micromotors of cylindrical construction

9.4 Actuators for automotive applications

9.5 Integrated starter-generator

9.6 Three-axis torque motor

9.7 High speed synchronous motors

9.7.1 Requirements

9.7.2 Super high speed motors.

9.7.3 High speed motors with canned rotor

9.7.4 High speed spindle drives

9.8 Slotless motors

9.9 Motors with imbricated rotors.

Numerical examples

10 Stepping Motors

10.1 Features of stepping motors

10.2 Fundamental equations.

10.2.1 Step

10.2.2 Steady-state torque

10.2.3 Maximum synchronizing torque

10.2.4 Frequency of the rotor oscillations

10.3 PM stepping motors

10.4 Reluctance stepping motors

10.5 Hybrid stepping motors

10.5.1 Full stepping

10.5.2 Half stepping

10.5.3 Microstepping.

10.5.4 Practical hybrid motor.

10.5.5 Bipolar and unipolar motors

10.6 Motion control of stepping motors

10.7 PM stepping motors with rotor position transducers

10.8 Single-phase stepping motors

10.9 Torque and voltage equations

10.10Characteristics

10.10.1 Torque-angle characteristics

10.10.2 Torque-current characteristics

10.10.3 Torque-frequency characteristics

10.11 Applications.

Numerical examples

11 Optimization

11.1 Mathematical formulation of optimization problem

11.2 Non-linear programming methods

11.2.1 Direct search methods

11.2.2 Stochastic methods

11.2.3 Gradient methods

11.2.4 Constrained optimization techniques

11.3 Population-based incremental learning

11.4 Response surface methodology

11.4.1 Response surface designs.

11.4.2 Estimation of errors in response surface fitting

11.5 Modern approach to optimization of PM motors

11.5.1 PM d.c. commutator motors

11.5.2 PM synchronous motors

Numerical examples

12 Maintenance

12.1 Basic requirements to electric motors

12.2 Reliability

12.3 Failures of electric motors

12.4 Calculation of reliability of small PM brushless motors

12.5 Vibration and noise

12.5.1 Generation and radiation of sound

12.5.2 Mechanical model

12.5.3 Electromagnetic vibration and noise

12.5.4 Mechanical vibration and noise

12.5.5 Aerodynamic noise

12.5.6 d.c. commutator motors

12.5.7 Synchronous motors

12.5.8 Reduction of noise

12.6 Condition monitoring

12.7 Protection

12.8 Electromagnetic and radio frequency interference

12.8.1 Commutator motors

12.8.2 Electronically commutated brushless motors

12.9 Lubrication

12.9.1 Bearings.

12.9.2 Lubrication of rolling bearings

12.9.3 Lubrication of porous metal bearings

Numerical examples

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Tags: Jacek Gieras, Mitchell Wing, Permanent magnet, design and applications