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4 Measurands and Characteristics
4.3 Calculation of the Measurands
39
SICAM MMU 7KG9663, Device Manual
E50417-H1040-C514-A3, Edition 01.2016
Fig. 4-1
4-quadrant System
90°
I
II
III
IV
Q+
Q+
Q-
Q-
S
Q
P
φ
270°
P-, Active energy -
P+, Active
cos
φ
= ne cap
cos
φ
= po cap
cos
φ
= ne ind
cos
φ
= po ind
0°
180°
LF+
LF+
LF+
LF+
SICAM-MMU_7KG9663_US.book Page 39 Monday, December 7, 2015 12:22 PM