Sungrow SG3KTL-EC User Manual page 35

User Manual
Item Description
A PV arrays
B SolarInfo logger
C Remote PC
D Router/Switch
E AC circuit breaker
F Smart
meter (optional)
G Utility Grid
Fig. 5-1 Electrical Connection Diagram
Remark
The maximum open-circuit voltage of each PV string is
1000 V.
It can be ordered from SUNGROW. Or use
compatible logger from Meteo-Control, Solar-Log
or Papendorf SE
User uses this device to monitor the whole PV system.
Used as data transferring device between inverter and
the Internet/Webserver, to monitor the whole PV
system
Used as a protective device during electrical
connection. User equips this device according to the
maximum output voltage and current.
energy Three-phase electronic energy meter, used to measure
the active power output. Communicate with the
inverter via RS485 port.
Rated AC voltage is 230 V.
5 Electrical Connection
25