International Electrotechnical Commission
Glossary

EN total harmonic distortion
THD  
ratio of the total r.m.s. value of the harmonics (in this context harmonic currents In of the order n) of orders 2 to 40 to the r.m.s. value of the fundamental:



Note 1 to entry:·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. 2.0 (2015-10) Terms     Info
Reference number:3.8

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