International Electrotechnical Commission
Glossary

EN total 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



Note1 to entry: This definition has been chosen in accordance with the relevant standard, IEC61000-2-2.

TC/SC:82Terms     Info     Publications
Published in:IEC 62257-1, ed. 3.0 (2015-10) Terms     Info
Reference number:A.149

Copyright 2021 IEC, Geneva, Switzerland. All rights reserved