Hioki 3286 - Page 32

17
Chapter 2 Measurement Procedure
1
2
3
Power supply side
Load
Red
Yellow
Black
Figure 3. Power and power factor measurement
on Three-Phase Three-Wire Circuit
1
2
3
1φP, P
1
1φP, P
2
Power supply side
Load
Red
Yellow
Black
Red
Black
Yellow
Three-phase effective power P=P
1
+P
2
Figure 4. Another method of the power measurement
on Three-Phase Three-Wire Circuit
[Three-Phase Four-Wire Circuit]
Use another method of the power measurement of
the figure 4 for the distortion wave.