SMA Sunny Boy Series - Target Group; Additional Information; Symbols Used

5 Parameter Values in Stand-Alone Mode SMA Solar Technology America LLC
6 SB-OffGrid-TI-US-en-19 Technical Information
5 Parameter Values in Stand-Alone Mode
The OFF Grid setting for the Default parameter affects the following parameters of the PV inverter that communicates
via RS485.
Parameters Unit Value
Test current mA Off (MSD=0)
Vac.Min V ‒50% V
AC Nom
*
*V
AC Nom
= 208 V/240 V/277 V
Vac.Max V +20% V
AC Nom*
Fac-delta‒
Lower range in which the Sunny Boy is active relative to
f
0
Hz -4.5
(starting from base frequency f
0
)
Fac-max+
Upper range, where the Sunny Boy is active, based on f
0
Hz +4.5
(starting from base frequency f
0
)
dFac-Max
Max. rate of change
Hz 5
Fac-start delta
Frequency increase in relation to f
0
, at which point the
power adjustment via frequency begins
Hz 1
(starting from base frequency f
0
)
Fac-Limit delta
Frequency increase based on f
0
, where the power
control via frequency ends. The power of the Sunny Boy
at this point is 0 W.
Hz 2
(starting from base frequency f
0
)