This 3-day training is intended to provide a better knowledge of phenomena and « physical understanding » applied to industrial products. Starting with the basic equations, the course includes several experiments illustrating magnetostatics, electromagnetics and magnetisation effects. This course is mainly oriented towards design engineers and technicians who want to discover, improve or recover their knowledge in magnetism for electric engineering applications.

Fill the registration form and send it to training.ct@cedrat-tec.com to attend this training courses (Reference MAGM-en / 1450 € excl VAT).

• Objectives To discover, update knowledge in magnetism. To learn the theory. To acquire « physical understanding ». To understand practical applications.
• Who should attend Design engineers and technicians who aim to discover, improve or recover their knowledge in magnetism.
• Documentation Copies in English. Training taught in English
• On request

PROGRAMME

1ST DAY

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

2ND DAY

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

3RD DAY

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