8 Operation
SMA Solar Technology AG
Operating manualSTP8-10-3AV-40-BE-en-1266
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 SMAShadeFix 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 30mA, 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
Section8.10 "Changing Operating Parameters", page61).
Procedure:
• Select the parameter RCDadjustment and set it to 30mA.
8.18 Saving the Configuration in a File
You can save the current configuration of the inverter in a file. You can use this file as a data
backup for this inverter and then import this file into this inverter again or another inverter from the
same type or device family to configure the inverter. When saving, only the device parameters will
be saved, not any passwords.
Procedure:
1. Activate the user interface (see Section8.1, page49).
2. Log into the user interface (see Section8.2, page53).
3. Select the menu Device Configuration.
4. Select [Settings].
5. In the context menu, select [Saving the configuration in a file].
6. Follow the instructions in the dialog.
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