SUN2000-43KTL-IN-C1
User Manual
Copyright © Huawei Technologies Co., Ltd.
EU waste electrical and
electronic equipment
(WEEE) label
Do not dispose of the
SUN2000 as household
garbage.
2.4 Working Principle
Conceptual Diagram
The SUN2000 receives inputs from eight PV strings. Then the inputs are grouped into four
MPPT routes inside the SUN2000 to track the maximum power point of the PV strings. The
DC power is then converted into three-phase AC power through an inverter circuit. Surge
protection is supported on both the DC and AC sides. Figure 2-9 shows the SUN2000
conceptual diagram.
Figure 2-9 SUN2000 conceptual diagram
Working Modes
The SUN2000 can work in standby, operating, or shutdown mode. Figure 2-10 shows the
relationship between the three working modes.
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