Idiomas disponibles
Idiomas disponibles
ZGR SOLAR STR 250
Blue
Always on
Flicker
Yellow
Always on
Off
Slow üicker
Red
Fast üicker
Always on
Green
Always on
Off
2.4
Internal architecture of ZGR SOLAR STR 250
The simplified scheme of the internal architecture of ZGR SOLAR STR 250 is show in Fig. 2-6. The MPPT is
utilized for DC input to ensure the maximum power from the PV array at diûerent PV input conditions. The
inversion circuit converts the DC power into AC power and feeds the AC power into the utility grid through the AC
terminal. The protection circuit is equipped to ensure the safe operation of the device and personal safety.
The installation and connection of the ZGR SOLAR STR 250 to the electrical network must be subject to current
local regulations and may require the installation of suitable electrical consumption measurement devices.
The DC switch is used to disconnect the DC current safely whenever necessary. The ZGR SOLAR STR 250 is
equipped with four DC switches; each DC switch controls its corresponding DC terminals.
NOTE: Turn the DC switches to the ON position before restarting the inverter.
Operation manual
Bluetooth communication is connected.
Bluetooth communication is not connected.
Low insulation
Normal insulation
Low-level
alarm.
Middle-level
alarm.
High-level
alarm.
In
maintenance.
No abnormal
Table 2-3 LED Lamp description
Fig. 2-6 Simplified scheme of ZGR SOLAR STR 250 inverter
Fig. 2-7 DC switch
www.zigor.com
resistance.
resistance.
state.
9
