ANSYS Maxwell Finite Element Model for 2D Computation of the Magnetic Field Generated by Overhead High-Voltage Power Lines

In this study, a simple 2D finite element model is proposed for computing the RMS magnetic flux density generated by overhead high-voltage power lines. The model is implemented in ANSYS Maxwell 2D electromagnetic simulation software, for the particular case of a 110 kV double-circuit overhead power line. The results obtained with this model are then compared to those obtained by analytical computation software, revealing a very good agreement. The proposed 2D ANSYS Maxwell model is mainly intended to check the compliance with the magnetic field exposure limits established by safety regulations, but other applications are also possible.