Hioki 3286-20, Instruction Manual, Page: 41 / 78

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Chapter 2 Measurement Procedure
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1 (R)
2
(S)
3
(T)
1
φ
P, P
1
1
φ
P, P
2
P
o
w
e
r
s
u
ppl
y
side
Lo
ad
Red
Yellow Black
Red
Black Yellow
Three-phase effective power P=P
1
+P
2
Measurement example
P (1
φ
P) S (1
φ
P)
R -0.54 kW 2.61 kVA
T 1.98 kW 2.57 kVA
Three-phase effective power
P=P1+P2=-0.54+1.98=1.44 kW
Three-phase apparent power
S=( )/2 (2.61+2.57)=4.49 kVA
Power factor
λ
=P/S=1.44/4.49=0.321