Analysis of Harmonic Current Emissions in Voltages Below the Presented by the Standard IEC 61000-3-2

This paper aims to analyze a possible limit for harmonic current emissions at voltages below those provided by IEC 61000-3-2. It shows a comparison between the odd harmonics of several devices belonging to class B and D, and the harmonics of a device belonging to class C, at the voltages 230 V, 127 V, and 110 V. The analysis of the applicability of these limits is executed with the support of a standard
procedure for the measurement of the harmonic components in the devices.

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