Objectives
- Discover and update knowledge in magnetism
- Learn the theory
- Acquire « physical understanding »
- Understand practical applications
Who should attend ?
Design engineers and technicians who aim to discover, improve or recover their knowledge in magnetism.
Language
- Copies in English
- Training taught in English
Programme
- Basic knowledge
- Postulates of electromagnetism
- Maxwell’s equation presentation
- Integral and local form
- Tools to study magnetic circuits
- Flux conservation; Ampere’s law; Hopkinson’s formulae/ Analogies; Lenz/Faraday’s law; Lorentz’ force/Laplace’s force; Biot and Savart’s law.
- Electrical, magnetic and mechanical topics
- Definitions/Terminology
- Flux, inductance and mutual
- Electric laws
- Active and reactive power
- Conversion of energy/Power balances
- Electromagnetic actuators
- Relations between magnetic force/torque and energy
- Transient states
- Diffusion of flux density
- Case of AC steady state without motion
- Skin depth, induced currents
- Computation of power dissipated by Eddy currents
- Diffusion in a moving media with constant source
- Case of a moving media with time varying source
- Examples
- Materials (1st part)
- Micromagnetism
- Magnetic moment; Atomic magnetism; Types of magnetic materials; Curie’s temperature; Anisotropy
- Magnetisation mechanism
- Weiss’ domains; Bloch’s wall; Hysteresis cycle; Iron losses mechanisms
- Workshop - Modelling & experimentations
- Materials (2nd part)
- Soft materials
- Use of soft materials
- Hard materials
- Use of hard materials
- Computation of working points
- Material magnetisation
- Shape effects
- Magnetic field in vacuum
- Magnetic field in matter (magnet and soft materials)
- Demagnetising field
- Measurements in magnetism
- Magnetic flux measurement
- Flux density measurement
- Magnetic permeability measurement
- Magnetic losses measurement
