Huawei SUN2000-33KTL-A User Manual page 11

SUN2000-(33KTL-A, 36KTL, 42KTL)
User Manual
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 Network application
(A) PV string
(C) ACDU
(E) Power grid
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
Issue 07 (2018-05-04)
(B) SUN2000
(D) Isolation transformer
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2 Overview
Figure 2-2.
5