Iii.2.2 Rms Value, Thd-F And Harmonics Of Aca - ADInstruments AD6810 User Manual

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NOTE: Frequency (Hz) is displayed in the second page (Harmonics order
th th
25 to 50 order).

III.2.2 RMS value, THD-F and Harmonics of ACA

%THD-F: Total Harmonic Distortion with respect to Fundamental frequency
%THD-F = ( (V2
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2 2 2
+ V3 + ... +V49 + V50
Where,
V1: magnitude at the nominal frequency (eg.50 or 60 Hz)
V2: magnitude at the second harmonics
...
V50: magnitude at the 50-th harmonics.
Manual de usuario AD6810
2)
) / V1) * 100
AD Instruments
98