Alstom i4MC - Page 36

User Manual i4MC&V/EN M/C
iSTAT i4MC&V Page 34
THD

100%
1
2
2



I
In
THDI
N
n
Current THD
I
1
− value of first harmonic
n − number of harmonic

100%
1
2
2



U
Un
THDU
N
n
Voltage THD
U
1
− value of first harmonic
n − number of harmonic