Plunger static characteristic - QuickField simulation example
Electromagnetic plunger works on DC current and consists of the solenoid with a moveable ferromagnetic plunger. Example is prepared by Olivier Colin as a part of the webinar QuickField analysis for Electromagnetic Plunger design.
How to find motion characteristics of electromagnetic plungers?
Answer Typical applications Geometry
Given
Task
Solution
Result
Engineering question
Set up an axisymmetric QuickField AC Magnetics problem for an electromagnetic plunger actuator and evaluate motion characteristics from computed field results.
electromagnetic plungers, solenoid actuators, linear magnetic drives
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Simulation problem
Problem Type
Axisymmetric problem of DC magnetics.
Relative permeability of air and coil μ = 1;
Current density in the coil j = 6 A/mm²;
The B-H curve for the core and the plunger:
Estimate the force acting on the plunger for different positions of the plunger.
A set of QuickField problems is automatically generated by the Label Mover tool.
Force vs. plunger position dependency:
Magnetic flux density distribution in DC electromagnetic plunger.
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