SUN2000-(33KTL-A, 36KTL, 42KTL)
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Network Application
The 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.
Figure 2-2 Network application
(D) Isolation transformer
Supported Power Grids
The SUN2000-33KTL-A/36KTL supports the following power grid modes: TN-S, TN-C,
TN-C-S, TT, and IT. The SUN2000-42KTL supports only IT grid mode.
Figure 2-3 Power grid modes
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