A magnetic field generator simulates the presence of power frequency EMF, demonstrating the susceptibility of equipment under test to magnetic disturbances. Magnetic field testing consists of either using an AC source and a coil or using a transient generator and a coil to simulate a CW power frequency magnetic field.
Magnetic field testing is applicable to electronic equipment in high-voltage substations or devices subject to lightning strikes on metal structures; this can lead to issues with video displays, hall effect sensors and products sensitive to electromagnetic fields. Magnetic disturbances occur in electrical substations in neighborhoods, industrial installations, commercial areas and power plants.
Magnetic Field Test Standards