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Model ID: 1250

Inductance of a Power Inductor

Power inductors are a central part of many low-frequency power applications. They are, for example, used in the switched power supply for the motherboard and all other components in a computer.

There are only crude analytical formulas or empirical formulas available for calculating impedances, so computer simulations or measurements are necessary in the design of these inductors.

This model uses a design drawn in an external CAD software, imports the geometry to COMSOL Multiphysics, and finally calculates the inductance from the specified material parameters and frequency using higher-order vector elements and memory-efficient iterative solver settings.

Potential and magnetic field from a power inductor

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