Const. Cos Φ - Fronius Galvo Serviceanleitung

Const. Cos φ Constant specification of power factor cos φ
Setting range:
Fronius Galvo -0.85 - +0.85
Fronius Symo -0.7 - +0.7
Example:
cos φ = -0.9
Example for Fronius Galvo
72
under-excited (inductive)
cos φ = -0,85
Q = reactive power [VAr]
P = effective power [W]
Sn = nominal apparent power [VA]
P
cos φ = -0,90
Q = -53 %
rel
over-excited (capacitive)
cos φ = +0,85
S
n
Q
Q = +53 %
rel