The specific mode of operation of the function is specified by the grid operator or by the applicable standards
or grid connection directives. The configurability of the function makes it possible to adhere to a wide range of
standards and directives. Certain configuration options are not available in some country settings because the
pertinent standards or grid connection directives prohibit adjustments.
49
,
8
49
,
5
49
,
0
48
,
5
48
,
0
80
%
P
max
P
ref
=
P
max
f
1
=
49
9,
8
Hz
s
=
5
%
-
20
0%
P
max
20
%
P
max
47
7,
5
Frequency [Hz]
Charging mode if
applicable
generating mode
Active Power
Fig. 61:
Example behaviour without hysteresis (mode 2) At
the time of activation, the inverter is in charging mode at
20% charging capacity
52
,
0
51
,
5
51
,
0
50
,
5
50
,
2
100
% P
M
60
% P
M
P
ref
=
P
M
P
f
P
1
re
=
eff
=
=P
e
50
P
,
P
M
P
2
M
Hz
f
1
s
1
=
=
=
=
=5
5
5
50,
%
s
f
s 5
stop
5%
5
p
=
%
%
50
,
1
Hz
Frequency [Hz]
Active Power [%P
ref
M
=%P ]
Rate limited power increase after
deactivation of response
Fig. 62:
Example behaviour with hysteresis (Mode 1)
10.2.2.1 Parameters for P(f)
Country-
spec. Set-
tings
Men
u
level
Display/
Setting
Action in this menu/meaning
P(f) Betriebsmodus
Off | Mode 1 |
Mode 2
Activate or deactivate function.
Mode 1:
With hysteresis activated. See figure 3.
Mode 2:
Without hysteresis activated. --- FEHLENDER LINK ---
Power reference mode
with overfrequency
Actual power |
Nominal power
Power reference mode
with underfrequency
Actual power |
Nominal power
Power reference with overfrequency:
Power reference for power adjustment as in equation 2 and equation 3
for overfrequency incidents.
Power reference with underfrequency:
Power reference for power adjustment as in equation 2 and equation 3
for overfrequency incidents.
4
1
2
3
4
Dynamic gradient
mode
On | Off
F
Activate dynamic gradient.
Gradient with overfre-
quency – feed-in
0 – 200 (%/Hz) 40
(%/Hz)
Gradient with under-
frequency – feed-in
0 – 200 (%/Hz) 40
(%/Hz)
Gradient with overfrequency (feed-in):
Determines the active power adjustment in accordance with equation 2
and equation 3, subject to the frequency.
Gradient for overfrequency incidents if the incident begins in feed-in
mode.
Gradient with underfrequency (feed-in):
Determines the active power adjustment in accordance with equation 2
and equation 3, subject to the frequency.
Gradient for underfrequency incidents if the incident begins in feed-in
mode.
10 | Specifications
Manual
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Page 74
EN-US
