8 Configuration
SMA Solar Technology AG
Operating manual
STP15-25TL-30-BE-en-17
48
7. Select [
Edit
].
8. Select the parameter group
System and device control system > Inverter >
Configuration of the static voltage stability
.
9. Set the parameter
Operating mode of the static voltage stability
to the desired operating
mode. When doing so, note that for "Q on Demand 24/7", none of the operating modes with
cos Phi may be selected.
10. Select the parameter
Operating mode of the static voltage stability for Q on demand
and set this to the desired operating mode also.
11. Depending on the selection of the static voltage stability operating mode, set the parameters
associated with the selected operating mode (e.g. the reactive power / voltage characteristic
curve Q(V) with or without data points or the reactive power setpoint Q).
12. Click on [
Save
].
8.6
Reducing the Attenuation of Ripple Control Signals
By setting certain parameters, the attenuation of three-phase parallel ripple control frequencies
ranging from 1000 Hz to 1100 Hz can be avoided. The parameters must only be set in
consultation with the responsible grid operator.
The basic procedure for changing operating parameters is explained in another section (see
Section 8.3 "Changing Operating Parameters", page 46).
Requirements:
☐ The firmware version of the inverter must be at least 2.81.07.R.
Procedure:
• Set the following parameters:
SMA Data/
RS485
Definition
Unit
Range Value to be set
RplDet-NBS-Gain Ripple control signal detection, am-
plification of narrow-band backup
V/A
0 to -10 -9
RplDet-NBS-
Damp
Ripple control signal detection, at-
tenuation of narrow-band backup
p.u.
-
0.1
RplDet-NBS-Hz
Ripple control signal detection, fre-
quency of the narrow-band backup
Hz
1000
to
1100
Must be specified
by the grid oper-
ator
8.7
Setting SMA ShadeFix
For partially shaded PV modules, you should set the interval at which the inverter is to optimize the
MPP of the PV system. If you do not want to use SMA OptiTrac Global Peak feature, you can
deactivate the feature.
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