Siemens SICAM P 7KG7750 - Page 48

3
3.2 Formulas and Calculation of Derived Quantities
48 Power Meter SICAM P 7KG7750/55, Manual
E50417-B1076-C340-A6, Edition 09.2013
Note 4
4 Quadrants
90°
III
III IV
Q+ Q+
Q- Q-
S
Q
P
φ
270°
P-, active energy -
P+, active energy +
cos φ = negative + cap
cos φ = positive + capcos φ = negative + ind
cos φ = positive + ind
0°
180°
PF+
PF+
PF+
PF+