When developing a new electrical product, the manufacturers always encounter
electromagnetic compliance standards, more specifically the CISPR family of standards.
Household appliances and devices have very strict regulations and requirements, as these are
located in the immediate vicinity of users as well as other electrical appliances and devices,
therefore it is important that they are safe and non-invasive. Well tested and standard
compliant devices contribute to better device operation, lower public network emissions, a
better user experience, and, consequently, greater customer satisfaction.
This thesis includes electromagnetic compliance testing on a battery charger according
to CISPR 14. This thesis includes an overview of the standard CISPR 14 and all the
electromagnetic standards to which it refers. All the standards are given a description of the
phenomenon to which they refer and, consequently, the very reason for the standards
existence. The requirements and limits of the standards, as well as the required layouts of the
devices, are also shown in more detail. The practical implementation of the standards and their
results are shown in the case of a battery charger, which passed all the tests successfully. These
tests include measurements of electromagnetic emissions, such as conducted and radiated
emissions, harmonic currents, voltage fluctuations and flicker, as well as measurements of
electromagnetic immunity, ie electrostatic discharge, electromagnetic immunity, electrical
fast transients, surge, conducted RF immunity, voltage dips, interruptions and variations. In
addition to the standards themselves, there are also descriptions of the devices needed to
perform the measurements.