Huawei SUN2000 Series User Manual page 12

SUN2000-(29.9KTL, 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 SUN2000-29.9KTL/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 11 (2019-06-08)
(B) SUN2000
(D) Isolation transformer
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2 Overview
Figure 2-2.
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