Huawei SUN2000-33KTL-US User Manual page 21

SUN2000-(33KTL, 36KTL, 40KTL)-US
User Manual
Working Modes
The SUN2000 can work in standby, operating, or shutdown mode.
relationship between the three working modes.
Figure 2-10 SUN2000 working modes
Table 2-6
Table 2-6 Working mode description
Working
Mode
Standby
Operating
Issue 07 (2019-06-20)
describes the three working modes shown in
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.
Copyright © Huawei Technologies Co., Ltd.
Figure 2-10
Figure 2-10.
2 Overview
shows the
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