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Pulse transformer simulation

# TECircuit2: Pulse transformer

This is an example of the pulse transformer simulation, performed with QuickField software.

**Problem Type:**

Plane problem of transient magnetics.

**Geometry:**

**Given:**

Magnetic permeability of the steel core *μ* = 500;

Conductivity of the steel core *g* = 0 S/m (steel core is laminated);

Magnetic permeability of the windings *μ* = 1;

Conductivity of the windings (copper) *g* = 56,000,000 S/m;

Number of turns of the primary winding *w*_{1} = 20;

Number of turns of the secondary winding *w*_{2} = 40;

Number of turns of the third winding *w*_{3} = 20;

Pulse voltage *U1* = 0.5 V;

Impulse time t = 0.1 s.

**Problem:**

Square voltage impulse applied to the pulse transformer. Calculate the currents in the secondary winding.

**Solution:**

Due to model symmetry we leave the upper half of the transformer only. Therefore we should reduce the circuit elements' values by two.

**Results:**

Download simulation files