8 Operation
SMA Solar Technology AG
Operating manual
SBxx-1AV-41-BE-en-12
67
8.15 Deactivating Grounding Conductor Monitoring
If the inverter is to be installed in an IT network or another grid configuration in which deactivation
of the grounding conductor monitoring is required, deactivate the grounding conductor monitoring
as follows.
The basic procedure for changing operating parameters is explained in another section (see
Section 8.10 "Changing Operating Parameters", page 62).
Procedure:
• In the parameter group
Grid monitoring > Grid monitoring > Country standard
set the
parameter
PE connection monitoring
to
Off
.
8.16 Setting SMA ShadeFix
You can set the time interval in which the inverter has to determine the optimum operating point. If
you do not want to use SMA ShadeFix, you can disable the feature.
The basic procedure for changing operating parameters is explained in another section (see
Section 8.10 "Changing Operating Parameters", page 62).
Procedure:
• In the parameter group
DC-side > DC settings > SMA ShadeFix
, set the parameter
Time
interval of SMA ShadeFix
and set the required time interval. The ideal time interval is
usually six minutes. This value should only be increased if the shading situation changes
extremely slowly.
☑ The inverter optimizes the MPP of the PV system at the predetermined time interval.
• In order to disable the SMA ShadeFix feature, in the parameter group
DC-side > DC settings
> SMA ShadeFix
, set the parameter
SMA ShadeFix switched on
to
Off
.
8.17 Setting the Rated Residual Current of the Residual-
Current Device
When using residual-current devices with a rated residual current of 30 mA, set the rated residual
current to 30 mA. In this way the inverter reduces the operational leakage currents and prevents a
false triggering of the residual-current device (for further information, see technical information
"Leading Leakage Currents" at www.SMA-Solar.com).
The basic procedure for changing operating parameters is explained in another section (see
Section 8.10 "Changing Operating Parameters", page 62).
Procedure:
• Select the parameter
RCD adjustment
and set it to
30 mA
.
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