International Electrotechnical Commission
Glossary

ENtotal harmonic distortion (THD) 
ratio of the r.m.s. value of the harmonics (in this context harmonic currents In of the order n) to the r.m.s. value of the fundamental, viz.

NOTE This definition has been chosen in accordance with the relevant standard IEC 61000-2-2.


TC/SC:82Terms     Info     Publications
Published in:IEC 62257-12-1, ed. 1.0 (2007-06) Terms     Info
Reference number:3.9

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