Raytech CAPO 2.5 - Power Factor (PF) Cos Φ

Preliminary
6.1.2 Power Factor (PF) cos φ
It is the Cosine of the phase angle φ or the sine of the loss angle δ
PF = co s φ =
P
S
cos φ =
P
S
=
P
√
P
2
+Q
2
=
I
RX
I
= sin δ =
I
RX
√
I
RX
2
+I
CX
2
=
tan δ
√
1+tan
2
δ
= sin(arctan(tan δ))
where:
P Real Power [W]
S Apparent Power [VA]
I total current [A]
I
RX
current through resistance [A]
I
CX
current through capacitance [A]
90315-1.2 Instruction Manual CAPO
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