Sungrow SG2K-S User Manual page 41

Pv grid-connected inverter
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User Manual
The PV1 and PV2 can be configured in independent mode or parallel mode.
For SG8K3-D, the PV strings to PV2 input should have the same PV
module type, the same string length, identical tilt and identical
orientation.
Independent Mode
The PV inputs work independently, each with its own MPPT. The two PV inputs
can be different from each other in PV module types, numbers of PV panels in
PV string, tilt angles and orientation angle of PV modules.
Fig. 5-4 Independent Mode for –D inverters except SG8K3-D
Prior to connecting the inverter to PV inputs, the specifications in the following
table should be met:
Total PV Input
Type
Power Limit
SG3K-D
4000 W
SG4K-D
5200 W
SG5K-D
6500 W
Fig. 5-5 Independent Mode for SG8K3-D
Open-circuit
Voltage Limit
600 V / 600 V
600 V / 600 V
600 V / 600 V
PV input 1
Inverter Inside
PV input 2
PV input 1
Inverter Inside
PV input 2
Short-circuit
Current Limit
12 A / 12 A
12 A / 12 A
12 A / 12 A
5 Electrical Connection
33

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