Huawei SUN2000-15KTL-50KTL-M3 Series User Manual page 23

Replacing SUN2000-(15KTL-50KTL) Series with
SUN2000-(15KTL-50KTL)-M3 Series
User Manual
Table 2-3 Working mode description
Working
Mode
Standby
Operating
Shutdown
Issue 01 (2021-04-05)
Description
The SUN2000 enters Standby mode when the external environment does not
meet the operating requirements. In Standby mode:

The SUN2000 continuously performs status check and enters the
Operating mode once the operating requirements are met.
 The SUN2000 enters Shutdown mode after detecting a shutdown
command or a fault after startup.
In Operating mode:
 The SUN2000 converts DC power from PV strings into AC power and
feeds the power to the power grid.
 The SUN2000 tracks the maximum power point to maximize the PV
string output.

If the SUN2000 detects a fault or a shutdown command, it enters the
Shutdown mode.
 The SUN2000 enters Standby mode after detecting that the PV string
output power is not suitable for connecting to the power grid for
generating power.
 In Standby or Operating mode, the SUN2000 enters Shutdown mode
after detecting a fault or shutdown command.
 In Shutdown mode, the SUN2000 enters Standby mode after detecting a
startup command or that the fault is rectified.
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