This recommended practice describes the methods used to characterize and used to classify the near magnetic field and near electric field performance of power magnetic components that are used in ac-dc and dc-dc power converters that conduct ac current or ac current superimposed on dc current. This document differentiates the type equipment used only to detect dc fields from equipment used to detect ac fields. This document also identifies the test conditions that need to be defined to categorize the near magnetic field and electric field performance. These conditions include the following: position and distance of detection coil from the component under test, orientation of detection probe relative to the component under test and excitation and loading conditions of the component under test based on operating voltages, currents, waveforms, frequency, etc., consistent with target applications.
Recommended Practice for Near Magnetic Field and Electric Field Characterization of Transformer and Inductors
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