SMA SC 500CP-US-10 600V - Manual (Page 39)

SMA America, LLC 3 Product Description
Operating Manual SCCP-US-BE-US_en-52 39
Contact the SMA Service Line to activate the function "FRT" and to change the operating mode. Contact the SMA Service
Line before setting the FRTArGraNom parameter to a value greater than 2.
3.7.5 Decoupling Protection Ramp
After a grid error, the inverter restarts at a maximum of 10% of nominal power per minute using a decoupling protection
ramp. You have the option of switching this decoupling protection ramp on or off. If you deactivate the decoupling
protection ramp, the inverter runs up to the maximum power in the shortest time possible. If you wish to deactivate the
decoupling protection ramp, contact the SMA Service Line.
3.7.6 Grid Management Shutdown
If the utility grid becomes unstable and overloaded, the grid management service requires that the inverter disconnects
from the grid immediately. In such cases, the relevant signal will be sent by the grid operator or the safety system at the
grid transfer point. The inverter disconnects from the utility grid immediately and displays the error message 9013. The
error will be reset in the inverter after a corresponding signal is sent by the grid operator or the transfer point's safety
system.
Full and limited dynamic grid support and islanding detection
The function "FRT" cannot be active at the same time as the function "Active Islanding Detection". If the "FRT" function
is activated , the "Active Island Detection" function is deactivated automatically. Changing this parameter therefore
results in the loss of the UL listing.
The "FRT" function can be active at the same time as the "External Islanding Detection" function. For this, the
parameters VCtllLimTm and VCtlllLimTm must be set to 2,000 ms.