Addressing an EMC Weakness Due to Strong Static Magnetic Fields

Strong stationary magnetic field from a permanent magnet, or strong electromagnetic field from many different sources, when used in a wrong way, can change a proper behavior in already optimized technical equipment. For example, many electronic electrical energy meters do not count correctly the consumption of electrical energy or low-voltage current transformers do not indicate proper level of output signal. This is the evidence of EM Compatibility lack. To prevent described situation from happen some actions have to be taken. The paper outlines the problem and proposes possible solution to the phenomenon of illegal using of the described EMC weakness.