Three-Phase Power Measurements - Fluke 39 User Manual

Three-Phase Power Measurements

Refer to Figures 5, 6, and 7 for various ways to measure total power in a
three-phase system. The W 3 P 3C display screen shows the three-phase
calculation for the connection shown in Figure 5. All other screens and
functions show only single-phase data.
Load
Black
Figure 5. Three-Phase Measurement Connections (For Balanced Circuits,
Three-Phase Power Measurements
Red
P D
3 , 3-Conductor, )
φ
1
φ
2
W
1
φ
3
a74f.eps
11