Magnets

Theoretical and Practical Aspects of the Magnets for Electric Motors and Generators

Advantages and drawbacks of different types of magnets used in Electric rotating Machines Design from their theory and history to the modeling of these magnets and calculations like Cogging Torque, BEMF, Demagnetization…

Table of Contents
  1. INTRODUCTION
  2. MAGNET: AN HARD MAGNETIC MATERIAL
    1. WHAT IS A MAGNET?
    2. ALNICO MAGNETS
    3. HARD FERRITE
    4. RARE EARTH MAGNETS
    5. SINTERED AND PLASTIC BONDED MAGNETS
    6. MAGNETIC GRADES
    7. COATINGS OF MAGNETS
    8. MAGNETIC PROPERTIES OF MAGNETS
  3. DIFFERENT SHAPES OF MAGNETS FOR ELECTRIC ROTATING MACHINES
    1. MAGNETIC ORIENTATIONS OF MAGNETS
  4. DEMAGNETIZATION
    1. THEORY OF THE DEMAGNETIZATION
    2. DEMAGNETIZATION OF THE MAGNETS COMPUTATIONS IN A PERMANENT MAGNET MACHINE DESIGN
    3. CROSS-MAGNETIZATION
    4. DEMAGNETIZING EFFECTS ON A BPM MACHINE
  5. MODELING MAGNETS AND PERMANENT MAGNETS MACHINES
    1. EXAMPLES OF MODELING OF A MACHINE WITH PERMANENT MAGNETS
    2. FLUX DENSITY DISTRIBUTION AT NO LOAD
    3. COGGING TORQUE MODELING (RELUCTANCE TORQUE)
    4. NO LOAD INDUCED VOLTAGES
    5. MAGNETS LOSS
  6. REFERENCES
  7. TABLE OF ILLUSTRATIONS

Category: Technical document
Format: PDF-file (41 pages)

Price: 20.00 €



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