Parameters For P(F) - Kaco blueplanet 29.0TL3 Serie Manual

10 | Specifications
Fig. 57: Equation 4
In some standards, the power adjustment is specified by a drop (s) instead of a gradient (g), as shown
in equation 3 [Ver figura 56: Equation 3 [} Página 67]. The drop s can be transformed into a gradient g
in accordance with equation 4 [Ver figura 57: Equation 4 [} Página 68].
The frequency f remains above the activation threshold f
quently, the expression (f
The measurement accuracy of the frequency is greater than 10 mHz.
The specific mode of operation of the function is specified by the grid operator or the pertinent stan-
dards or the grid connection guidelines. The configurability of the function makes it possible to satisfy
a wide variety of standards and guidelines. Certain configuration options are not available in some
country settings because the pertinent standards or grid connection guidelines prohibit adjustments.
Adjusting the active power P(f) in the event of underfrequency
Some grid connection guidelines also require adjustment of the active power P(f) in the event of un-
derfrequency. Due to the fact that PV systems are typically run at the maximum power point, there are
no power reserves for increasing the power in the event of underfrequency.
However, in the event that the system power is reduced due to market regulation, it is possible to in-
crease the active power up to the power level available. Because the inverter is unable to distinguish
between P constant target values for obligatory bottleneck management by the grid operator and for
market regulation, this needs to be implemented in the site-specific infrastructure of system control.
Rate limited power increase after
deactivation of response
100 % P
M
60 % P
M
50 , 5 51 , 0
50 , 2
Frequency [Hz]
Fig. 58: Example behaviour with hysteresis (mode 1)

10.2.3.1 Parameters for P(f)

Country- Me- Display/
spec. nu Setting
Settings le-
vel
P(f) Modo de servicio
Off | Mode 1 | Mo-
de 2
Power reference mode
with overfrequency
Actual power | No-
minal power
Power reference mode
with underfrequency
Actual power | No-
minal power
Página 68
– f) is negative and ΔP corresponds to a reduction in the feed-in power.
1
P P P = P = = P P P P
re ref ef f e M M M
f f = = = = = 5 5 50 50, , 2 Hz
1 1 1
s 5 s s = 5 5 5% % % %
f = 50 , 1 Hz
stop p
51 , 5 52 , 0
Action in this menu/meaning
Activate or deactivate function.
Mode 1: With hysteresis activated. See figure 3.
Mode 2: Without hysteresis activated. --- FEHLENDER LINK ---
Power reference with overfrequency:
Power reference for power adjustment as in equation 6 and equation 7
for overfrequency incidents.
Power reference with underfrequency:
Power reference for power adjustment as in equation 6 and equation 7
for overfrequency incidents.
Manual
during an overfrequency incident. Conse-
1
Rate limited power increase after
deactivation of response
100 % P
M
60 % P
M
50 , 5 51 , 0
50 , 2
Frequency [Hz]
Fig. 59: P(f) example characteristic without hysteresis Mode
2
P P P = P =P P P P
ref ref f f M M M
f f = = =5 5 50, 50 , 2 Hz
1 1
s s s s 5 = 5 5 % % 5 % % % % % %
f = deactivated
stop
51 , 5 52 , 0
Kaco blueplanet 29.0TL3