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 K-FACTOR  CALCULATION​

Please note that the harmonics % is that of fundamental current and not of total current.

Table of calculation of K factor for typical % of harmonics.

ab


c=b/100


d=

e

f=a²xe

h  number    Harmonic % to fundamentalHarmonic ratio to fundamental

       

           Ih²          

 =Ih²/ E 
Contribution to K-factor
1100110.44670.4
3900.90.810.36183.3
5450.450.20250.09052.3
7350.350.12250.05472.7
9260.260.6760.03022.4
11190.190.03610.01612.0


E2.23871.0000f-13.1





K-13