This document involves the following product models:
Note: The SUN2000-175KTL-H0 is applicable only to the Chinese mainland. For other countries or regions, Huawei does not provide quality assurance.
The inverter applies to grid-tied PV systems for commercial rooftop PV plants and large PV plants. Typically, a grid-tied PV system consists of the PV string, inverter, AC power distribution unit, and step-up transformer.
(A) PV string
(C) AC distribution unit (ACDU)
(D) Step – up transformer
(E) Power grid
Note: The SUN2000 is powered by a dedicated power transformer instead of connecting to low voltage overhead power lines.
Supported Power Grid
The inverter supports the IT power grid.
Figure: Support power grid
Note: The SUN2000 can also apply to the AC power system with the neutral point grounding of the step-up transformer. The SUN2000 itself does not connect to any neutral wire.
Figure: AC power system with the neutral point grounding