SMA SI 3.0-11 Quick Reference Guide V.3.0 - Manual (Page 49)

SMA Solar Technology AG 7 Commissioning
Installation - Quick Reference Guide Ersatzstrom-IS-en-30 49
Activating frequency-dependent control of active power
Requirements:
☐ The PV inverters are part of a battery backup system and the automatic transfer switch can disconnect the PV inverters
from the utility grid.
☐ Adjustment must be coordinated with the grid operator.
☐ You must be authorized to change Grid Guard parameters. You can find the application form at
www.SMA-Solar.com in the download area of the relevant PV inverter.
☐ The firmware version of the PV inverter must support the frequency-dependent control of active power
(for "PV inverters", see Planning Guidelines "SMA Flexible Storage System with Battery Backup Function" at
www.SMA-Solar.com).
Procedure:
1. With existing PV systems, make sure that the firmware of the installed PV inverters supports frequency-dependent
active power control (see the Planning Guidelines "SMA Flexible Storage System with Battery Backup Function" at
www.SMA-Solar.com).
2. Set the following parameters of the PV inverters to the specified value (see the documentation of the communication
product).
7.5 Attaching the Labels
The warning label for battery backup systems is included in the scope of delivery of the Sunny Island inverter.
• Attach the warning label "Battery Backup System" to the AC main distributor from the outside.
Values for the relevant country
Parameters France**
Austria**
Switzerland**
** The adjustments are based on the requirements for PV inverters from the application rule "VDE-AR-N 4105:2011-08".
Australia***
*** The adjustments are based on the requirements for PV inverters from the product standard "AS 4777 2014".
P-WCtlHzMod
Operating mode of active power limitation in the case of
overfrequency P(f)*
* Menu Equipment & device control system
On or WCtlHz On or WCtlHz
P-WGra
Active power gradient, linear instantaneous power gradient
configuration*
40 77
P-HzStr
Difference between starting frequency and power frequency,
linear instantaneous power gradient configuration*
0.2 0.2
P-HzStop
Difference between reset frequency and power frequency, linear
instantaneous power gradient configuration*
0.2 0.05
P-HzStopWGra
Active power gradient after reset frequency, linear instantaneous
power gradient configuration*
10 10