SMA America, LLC 10 Troubleshooting
Installation Manual SB30-40-US-IA-en-33 71
Vac-Max* Additional monitoring of
the AC voltage
The value is used to
calculate the upper limit of
the permissible AC
voltage.
The standard value is
optimal for plants
˂ 30 kW. The standard
value of 10% results in a
trip value of 110%, as the
list of trip limits shows
(see Section 12.6).
0% to 20% 10%
Vac-Min-Fast* Additional monitoring of
the AC voltage
The value is used to
calculate the lower limit of
the permissible AC
voltage. The standard
value is optimal for plants
<30 kW. The standard
value of 50% results in a
trip value of 50%, as the
list of trip limits shows.
0% to 50% 50%
Vac-Max-Fast* Additional monitoring of
the AC voltage
The value is used to
calculate the upper limit of
the permissible AC
voltage. The standard
value is optimal for plants
<30 kW. The standard
value of 20% results in a
trip value of 120%, as the
list of trip limits shows.
0% to 20% 20%
Vac-Min-Recnet The value is used to
calculate the lower limit
that is required for
reconnecting to the power
distribution grid after a
grid failure.
0% to 50% 11.7%
Name Description Value/range Explanation Default
value
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