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Page 18
3.2.12
Inverter reactive power setting: fixed power factor
The
fixed displacement factor
cos
φ
can be set.
Fig. 26: Fixed power factor
3.2.13
Inverter reactive power setting: Cos(
Φ
) – P curve
The power related control mode cos
φ
(P) controls the cos
φ
of the output as a function of the active power output.
There are four coordinate points that are adjustable in the curve as shown in the figure below.
The coordinate points are the active power as a percentage of P
n
and the displacement factor cos
φ
.
Some grid companies may require two voltage thresholds as a percentage of U
n
to activate or deactivate this function.
These voltage thresholds are referred to as the ‘lock-in’ and ‘lock-out ’voltage.
Activation threshold as a percentage of U
n
corresponds to ‘lock-in’ voltage
Deactivation threshold as a percentage of U
n
corresponds to ‘lock-out’ voltage