Electric field prediction for a human body-electric machine system.

Area of Science:

• Electrical Engineering
• Biophysics
• Electromagnetic Compatibility

Background:

• Industrial environments utilize 3-phase induction machines.
• Human exposure to electromagnetic fields (EMF) requires safety assessments.
• Understanding electric field interactions with biological tissues is crucial.

Purpose of the Study:

• To predict and analyze the electric field distribution within a human body exposed to a 3-phase induction machine.
• To evaluate electric field intensity at specific points inside the human model.
• To compare computed electric field intensities with international safety standards.

Main Methods:

• A detailed model of a 3-phase induction machine was developed, including geometry, windings, and materials.
• A human body model was constructed, approximating its geometry and tissue electrical properties.
• The finite element technique was employed to determine electric field distribution at 1m and 5m distances.

Main Results:

• Electric field potential variations were calculated at various points within the human body model.
• Electric field intensity was computed for these points.
• The calculated intensities were compared against established international exposure limit values.

Conclusions:

• The study provides a method for assessing human exposure to electric fields from induction machines.
• Findings contribute to understanding the impact of EMF on human health in industrial settings.
• The research supports the development of safety guidelines for electromagnetic field exposure.