Delta SOLIVIA 10 EU T4 TL - 7.3.6.4.3 Constant Cosφ; Cos Φ (P); Cosφ(P); Figure 7.30.: Power Vs. Frequency

89
EN
Operating the PV inverter
NOTE
The Power vs Frequency
function is required for
CEI 0-21 and A70. Please
make sure the Mode is
ON and do not turn off.
*Recovery Frequency is dened in the
grid setting parameters 49.9 - 50.1 Hz by
default.
Figure 7.30.: Power vs. Frequency
Adjustable parameters
Parameter Adjustable Values Description
Actual / Rated Power Actual will be default
Start frequency 50 - 55 Hz 50.3 Hz will be the default. This is the fre-
quency when the power reduction starts
Stop frequency Stop frequency means the frequency when
power = 0. This value is calculated by the gra-
dient and the start frequency.
Recovery frequency Nonadjustable
Gradient 2.0 ... 5.0 % 2.4 % is the default
Recovery time 300 seconds
Mode ON | OFF Switches the feature on and off
7.3.6.4.3 
This feature is not available for CEI 0-21 or A70.
7.3.6.4.4
cos
This feature is available for Italy CEI 0-21 and Italy A70.
With this feature a solar inverter can regulate the power factor as a function of the actual delivered
active power.
The following graph is an example how the values could be set: