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Flyback transformer EMC

Flyback transformer is a source of high frequency electromagnetic field.

Problem type:
Axisymmetric problem of Transient magnetics


flyback transformer

Ferrite permeability μ=1000,
Operation frequency f=1 kHz,
The transformer works in discontinuous mode, currents in windings are known:

Calculate the magnetic field distribution around flyback transformer during operation cycle.

Model may be defined and solved as a Transient Magnetic Analysis problem.

Magnetic field around the flyback transformer.

flyback transformer emc

Magnetic flux density 1 cm away from the flyback transformer.

flyback transformer emc

* Reference: http://en.wikipedia.org/wiki/Flyback_transformer

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    Transformers simulation with QuickField. Part 2