Sungrow SG2K5TL-S, Руководство пользователя

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User Manual 2 Product Introduction
9
Tab. 2-2 Description of LED Indicator
State Description
Green&
Red Flicker once in turn every 1
second
Non-running or Non-fault (For
example, the inverter is in standby
state.)
Green
Flicker once every 0.2 seconds to
2 seconds
（
The greater the
inverter current power, the
faster the green light flashing
）
Inverter is running.
Red Flicker once every 0.3 second
A malfunction happens, or protection
function triggers.
The red and green LEDs will be on at the same time when the inverter is
in the upgrade status. If the red and green LEDs are on at the same time
in other status, please contact the service provider for troubleshooting.
2.3 Technical Description
2.3.1 Circuit Description
Fig. 2-6 and Fig. 2-6 show the main circuit of inverter.
The inverter boost circuits raise DC input voltage. The MPP trackers ensure the
maximum power from PV arrays can be utilized. Then the inverter circuit converts
DC power to AC power. Meanwhile inverter is equipped with protective circuit to
guarantee its safety operation which can triggers the AC relay if required.
Additionally, inverter provides WiFi interface for communication.
Fig. 2-5 Main Circuit Diagram of single MPPT inverter