Huawei SUN2000-30KTL-US User Manual page 12

SUN2000-(25KTL, 30KTL)-US
User Manual
Network Application
SUN2000 applies to grid-tied PV power systems for commercial rooftops and large power
stations. Typically, a grid-tied PV power system consists of PV strings, grid-tied inverters, AC
distribution units (ACDUs), and isolation transformer, as shown in
Figure 2-2 Network Application
(A) PV string
(C) ACDU
(E) Power grid
Power Grid Earthing Systems
Figure 2-3
Figure 2-3 Power Grid Earthing System
Issue 09 (2019-06-30)
shows the grid earthing systems supported by the SUN2000.
The SUN2000 can be installed in common transformer secondary winding configuration such as neutral
grounded Y, neutral ungrounded Y, delta (floating). For any other transformer configuration, please
contact Huawei.
Copyright © Huawei Technologies Co., Ltd.
(B) SUN2000
(D) Isolation transformer
2 Overview
Figure 2-2.
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