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Generation process of magnetic noise and vibrations

75,00 €

Eomys-doc05

This part of the training reviews the physical generation process of magnetic noise and vibrations. Key notions such as magnetic force shapes, resonance effects, and air-borne / structure-borne transfer paths are covered.

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Detailed content:

  • Magnetic forces in electrical machines
    • Maxwell forces and Laplace forces
    • Magnetostriction
    • Illustration with tuning fork and rotating magnet
    • Notion of wavenumber – rotating and pulsating forces
    • Lumped tooth forces
    • Global forces – torque, UMP, moments
  • Static effect of magnetic forces
    • Radial and tangential forces on outer stator
    • Radial and tangential forces on inner rotor
  • Structural modes of electrical machines
    • Stator modes
    • Rotor modes
  • Dynamic effects of magnetic forces
    • Principle of resonance
    • Application to stator / rotor modes
    • Generalization with modal force
  • Transfer paths of magnetic noise and vibrations

Number of slides: 60

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Magnetic noise and vibrations

Introduction on magnetic noise and vibrations

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