Fluke 39 User Manual page 23

Red
Load
Black
Red
Black
W = W + W
total 1
Figure 7. Three-Phase Measurement, Balanced or Unbalanced
Connections (3
Three-Phase Power Measurements
φ1
W
Red
W
Black
N
+ W
W
2 3
P
, 4-Conductor)
1
φ2
2
φ3
3
a7f.eps
13