User's Manual

PC Software for 1740 Series
Appendix A
57
(1/2-cycle up to 5 s)
I
act
at V
max
Actual current at the time V
max
occurred
I
act
at V
min
Actual current at the time V
min
occurred
I
max act
Maximum current based on 10 ms rms values
THD I Total harmonic distortion, harmonic contents of
current
Power Parameters
P Active power
P h1 Active power of fundamental
Q Reactive power
Q h1 Reactive power of fundamental
S Apparent power
D Distorting power
COS PHI Power factor of fundamentals
PF Power factor incl. harmonics
CF Crest factor (peak value / rms value)
TAN Tangent