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INVERTER PARAMETERS > AC Settings (Only visible with Admin Plus privileges)
In the AC Settings sub-menu you can setup the parameter related to the Output AC side.
NOTE – D Changing the above-mentioned parameters may prevent disconnection from the grid if the new values exceed those given
in the standards of the country of installation. If these parameters are changed to values outside the standard range, an interface
protection must be installed external to the inverter in accordance with the requirements of the country of installation.
• Grid Connection
By editing these settings it’s possible to change the grid connection thresholds parameters to which the inverter have to connect to the
grid.
• Grid Protections + VRT/FRT
By editing these settings it’s possible to enable/disable and change the grid protection intervention thresholds parameters. In addition it
is possible to change voltage ride through (HVRT, LVRT) and frequency ride through (HFRT, LFRT) settings.
INVERTER PARAMETERS > Active Power Control (Only visible and editable with Admin Plus privileges)
In the Active Power Control sub-menu you can config settings related to the active power derating parameters using the following
parameters groups:
• Active Power Curtailment
• CEI Average VGrid Derating
• Volt/Watt settings: P(V)
NOTE – D Do not change these parameters if not requested by the grid operator.
INVERTER PARAMETERS > DC Settings
In the DC Settings sub-menu you can setup the parameter related to the Input DC side.
• Multiple Max Scan Enable
This settings allows you to Enables/disables the scan for identifying the maximum power point of the system.
• Multiple Max Scan Period - Value
This settings allows you to sets the time between scans. Remember that the shorter the scan interval the greater the loss of production,
due to the fact that energy is transferred to the grid during the scan but not at the maximum power point. Each scan takes roughly 2
seconds.
• UV Protection Time - Value
This section of the menu allows you to sets the time for which the inverter stays connected to the grid after the input voltage has dropped
below the Under Voltage limit (set at 70% of Vstart).
NOTE – D 60 seconds is the default value for UV Protection Time.
• VStart 1...16 New Value
These parameters are used to sets the Vstart activation voltage for the related input channel. This parameter imposes a minimum input
voltage on the inverter above which connection to the grid will be attempted.
NOTE – D Change the activation voltage only if really necessary and to set it to the correct value: the photovoltaic generator sizing tool
available on the Fimer website will indicate whether Vstart needs to be changed and what value have to be set.
INVERTER PARAMETERS > Digital Inputs
In the Digital Inputs sub-menu you can disable or enable the Remote ON/OFF functionality related to the “Remote” terminal block (38).
INVERTER PARAMETERS > Frequency Control: P(f) (Only visible and editable with Admin Plus privileges)
In the Frequency Control: P(f) sub-menu you can config settings related to the active power derating as function of grid frequency.
NOTE – D Do not change these parameters if not requested by the grid operator.
INVERTER PARAMETERS > Ramp Control (Only visible and editable with Admin Plus privileges)
In the Ramp Control sub-menu you can config the parameter related to the active power ramp up at the start-up and after a grid fault event.
NOTE – D Do not change these parameters if not requested by the grid operator.
INVERTER PARAMETERS > Reactive Power Control (Only visible and editable with Admin Plus privileges)
In the Reactive Power Control sub-menu you can configure settings related the reactive power parameters using the following parameters
groups:
• Cosphi Set
• Q Set
• Volt/VAr Settings: Q(V)
• Watt/Cosphi Settings: Cosphi(P)
NOTE – D Do not change these parameters if not requested by the grid operator.
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