SUN2000-(30KTL-A, 33KTL, 40KTL)
User Manual
2 Overview
Issue 04 (2016-06-20)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5
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
(A) PV string
(B) SUN2000
(C) ACDU
(D) Isolation transformer
(E) Power grid
Supported Power Grids
The SUN2000-33KTL supports the power grid modes TN-S, TN-C, TN-C-S, and TT, as
shown in
Figure 2-3
. The SUN2000-30KTL-A and SUN2000-40KTL only support the power
grid mode IT, as shown in
Figure 2-4
.
Figure 2-3
Power grid modes supported by the SUN2000-33KTL