Raytech CAPO 2.5 - Dissipation Factor tan Δ

Preliminary
6.1.1 Dissipation factor tan δ
It is the tangent of loss angle δ
tan δ =
P
|
Q
|
tan δ =
P
|
Q
|
=
I
RX
I
CX
=
sin δ
√
1−sin
2
δ
=
cos φ
√
1−cos
2
φ
= tan (arcsin(cos φ))
where:
P Real Power [W]
Q Reactive Power [VAR]
I
RX
current through resistance [A]
I
CX
current through capacitance [A]
90315-1.2 Instruction Manual CAPO
Page 24 of 117