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SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) User Manual

This document describes the SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).



The SUN2000 is a three-phase grid-tied PV string inverter that converts the DC power generated by PV strings into AC power and feeds the power into the power grid.


Figure 2-1 shows a model number of the SUN2000, using SUN2000-33KTL-A as an example.
Figure 2-1  Model number description
Table 2-1shows the rated output power and voltage.
Table 2-1  SUN2000 models and corresponding rated output power and voltage


Rated Output Power

Rated Output Voltage


29.9 kW

400 V


30 kW

400 V


36 kW

380 V/400 V/480 V


42 kW

480 V

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 SUN2000-29.9KTL/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
Updated: 2019-08-02

Document ID: EDOC1100019925

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