SUN2000-(33KTL-A, 36KTL, 42KTL)
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 2-12 SUN2000 working modes
Table 2-5 describes the three working modes shown in Figure 2-12.
Table 2-5 Working mode description
The SUN2000 enters the standby mode when the external environment does
not meet the requirements for starting the SUN2000. In standby mode:
The SUN2000 continuously performs self-check and enters the operating
mode once the operating requirements are met.
If the SUN2000 enters the 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.
The SUN2000 enters the shutdown mode after detecting a fault or a
shutdown command, and enters the standby mode after detecting that the
PV string output power does not meet the requirements for grid-tied
electricity generation.
In standby or operating mode, the SUN2000 enters the shutdown mode
after detecting a fault or shutdown command.
In shutdown mode, the SUN2000 enters the standby mode after detecting
a startup command or that a fault is rectified.
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