Replacing SUN2000-(15KTL-50KTL) Series with
SUN2000-(15KTL-50KTL)-M3 Series
User Manual
2 Overview
Issue 01 (2021-04-05)
Copyright © Huawei Technologies Co., Ltd.
16
Table 2-3
Working mode description
Working
Mode
Description
Standby
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.
Operating
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.
Shutdown
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.
