Circuit Diagram - Sungrow SG2.0RS-S User Manual

User Manual
Table 2-1 State description of the LED indicator
L L E E D D c c o o l l o o r r
Blue
Red
Gray

2.5 Circuit Diagram

The following figure shows the main circuit of the inverter.
• The DC switch is used to safely disconnect the DC circuit.
• The MPPT is utilized for DC input to ensure the maximum power from the PV array at
different PV input conditions.
• The inverter circuit converts the DC power into AC power and generates AC power to
loads or utility grid through the AC terminal.
• The protection circuit ensures the safe operation of the device and personal safety.
S S t t a a t t e e D D e e f f i i n n i i t t i i o o n n
The inverter is operating normally.
On
The inverter is at standby or startup state (not
Flashing
feeding power into the grid).
A system fault has occured.
On
Both the AC and DC sides are powered down.
Off
F F i i g g u u r r e e 2 2 - - 5 5 Circuit Diagram (SG6.0RS for example)
2 Product Description
9