Huawei SUN2000 MB0 Series - Page 22

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For details about operations on related products in the network, see the following
documents:
SUN2000-(600W-P, 450W-P2) Smart PV Optimizer Quick Guide
SUN2000 Smart PV Optimizer User Manual
MERC-(1300W, 1100W)-P Smart PV Optimizer Quick Guide
MERC Smart PV Optimizer User Manual
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● For two PV strings connected in parallel to the same MPPT circuit, the model, quantity,
orientation, and tilt angle of PV modules in the PV strings must be the same.
● The voltage of dierent MPPT circuits must be the same.
● The MPPT voltage must be greater than the lower threshold of the full-load MPPT
range
specied in the inverter technical data sheet. Otherwise, the inverter will be
derated, causing the system yield loss.
Power Grid Types
Power grid types supported by the SUN2000 include TN-S, TN-C, TN-C-S, TT, and
IT.
Figure 2-3 Supported power grids
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● In a TT power grid, the N-PE voltage should be lower than 30 V.
● In an IT power grid, you need to set isolation settings to input not grounded, with a
transformer.
SUN2000-(12K-25K)-MB0 Series
User Manual 2 Overview
Issue 01 (2023-04-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 16