Sungrow SG2K-S User Manual page 57

User Manual
Parameter
2-V (V)
max
1-V (V)
min
2-V (V)
min
Too high grid voltage may affect the normal usage and the life of
household loads. The loss of any or all the warranty rights may follow if
the protection set-point is beyond the specified range.
Protection Recover
Vmax-rec (230.0 V–277.0 V):
Recovery value for over-voltage error. Inverter will
start operating when the grid voltage falls below this
value.
Vmin-rec (176.0 V–230.0 V):
Recovery value for under-voltage error. Inverter will
start operating when the grid voltage is above this
value.
Tab. 7-5 Default Recovery Parameters
Parameter
V (V)
max-rec
V (V)
min-rec
Grid Protection Voltage Adjusting
All Sungrow's inverters are compliant with the local standard related to grid
protection requirements. In order to work with unstable utility grids, inverters are
equipped with automatic protection voltage adjusting function (disabled by
default). This mode can be enabled via the LCD.
OFF: the function is disabled by default. The grid protection voltage cannot
automatically adjust.
ON: enables the protection function. The inverter will automatically adjust the
protection threshold to a higher value so as to be normally connected to the grid
in the event of grid over-voltage. The V
V , with an upper limit value not higher than V
max
Default Value for "BRA"
220 V 230 V
242.0 253.0
176.0 184.0
176.0 184.0
Default for "BRA" Grid
220 V 230 V
242.0 253.0
176.0 184.0
Default Value for "MX"
240 V 220 V
264.0 231.0
192.0 209.0
192.0 209.0
Default for "MX" Grid
240 V 220 V
231.0
264.0
192.0 209.0
will be adjusted the same with the
max-rec
.
max
7 LCD Operation
230 V 240 V
241.5 252.0
218.5 228.0
218.5 228.0
Vmax-rec: 242.0V
Vmin-rec: 176.0V
230 V 240 V
241.5 252.0
218.5 228.0
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