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KOSTAL PIKO CI App
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Other settings
Isolated network detection
Residual current monitoring
Compatibility of type A RCD
Shadow management
Shadow management interval
time (s)
Insulation resistance (kOhm)
Leakage current limit (mA)
Limit for unbalanced voltage
(%)
Dynamic grid support (FRT)
Positive sequence K
factor
Negative sequence K
factor
Monitoring of supply
voltage
Undervoltage ride
through (V) UVRT
© 2022 KOSTAL Solar Electric GmbH
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Explanation
Activate/deactivate isolated network detection.
Ensures that the inverter does not switch on or off in the
event of supply voltage errors.
Activate/deactivate residual current monitoring.
When the function is enabled, the inverter detects the ar-
ray fault current.
If this function has been activated, type A RCDs can be
used as residual current protection equipment. In such
cases, the inverter shuts down when the residual current
becomes incompatible with a type A RCD.
If the function is deactivated, a type B RCD must be
used as residual current protection equipment if an RCD
is stipulated.
If PV strings are in partial shading, the PV string affected
no longer achieves its optimum performance. If shadow
management is activated, the inverter adapts the MPP
tracker in such a way that it can operate at maximum
possible performance.
Set the interval of the MPP tracker sampling rate
If the value established for insulation resistance is less
than the preset value, the inverter is not connected to
the grid
Limit value for leakage current detection. If the value es-
tablished is higher than the preset value, the inverter will
shut down.
Set threshold value for supply voltage unbalance
Dynamic grid support (FRT = Fault Ride Through)
Settings for uninterrupted cycling through grid faults
FRT (Fault Ride Through)
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