Coil with ferromagnetic core - QuickField simulation example
DC current is applied to the electric coil with ferromagnetic core.
How to find magnetic field and inductance in coils with ferromagnetic cores?
Engineering answer Typical applications Geometry
Given
Task
Solution
Results
Flux density in the core:
Engineering question
Set up an axisymmetric QuickField DC Magnetics problem for a coil with a ferromagnetic core and evaluate magnetic field and inductance from computed field results.
solenoid coils, ferromagnetic core coils, actuator windings
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Simulation problem
Problem Type
Axisymmetric problem of DC magnetics.
Relative permeability of the air and winding μ = 1;
Number of turns w = 400;
Applied current in wire I = 2 A;
The B-H curve for the steel core:
1. Obtain the magnetic field in coil and air.
2. Get chart Flux Density along the rotational axis of the coil
Define a spherical region solution. Radius of R = 2000 mm.
In the block core values put the B-H. In the block coil enter the total coil current 800 A.
For point 2. task draw a line from the center of cores to the right end of the axis z.
Magnetic field distribution:
Video
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