SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Working Modes
Figure 2-12 Working modes
Table 2-5 Working mode description
The SUN2000 enters Standby mode when the external environment does not
meet the requirements for starting the SUN2000. In Standby mode:
The SUN2000 continuously checks its status and enters 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 controls optimizers to track the maximum power point to
maximize the PV string output.
The SUN2000 enters Shutdown mode after detecting a fault or a
shutdown command, and enters Standby mode after detecting that the
PV string output power is not suitable for connecting to the power grid
and producing power.
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