User manual
4 Calculation formulas
61
Effective apparent distor-
tion power
S
eN
VA
where:
Total Power Factor
PF
tot
-
Active energy (consumed
and supplied)
E
P+tot
E
P-tot
Wh
calculated as for the split-phase network
Total apparent energy
E
Stot
VAh
where:
i is subsequent number of the 10/12-period measure-
ment window
S
e
(i) represents the total apparent power S
e
calculated in
i-th measuring window
T(i) represents duration of i-th measuring window (in
hours)