Fluke 39 - Page 23

Three-Phase Power Measurements
13
N
POWER HARMONICS
ANALYZER
41B
®
Black
Red
Load
φ2
Red
POWER HARMONICS
ANALYZER
41B
®
Red
φ1
POWER HARMONICS
ANALYZER
41B
®
φ3
Black
Black
W
total
= W
1
+ W
2
+ W
3
W
1
W
2
W
3
a7f.eps
Figure 7. Three-Phase Measurement, Balanced or Unbalanced
Connections (3
P , 4-Conductor)