Huawei SUN2000-2KTL-L0 User Manual page 12

SUN2000-(2KTL-5KTL)-L0
User Manual
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Networking Application
The SUN2000 applies to a residential rooftop grid-tied system. Typically, a grid-tied system
consists of the PV string, grid-tied inverter, AC switch, and power distribution unit.
Figure 2-2 Network diagram (dashed boxes indicate optional components)
(A) PV string
(D) Smart PV Safety Box
(G) Power distribution unit
(J) Power grid
Supported Power Grid
The power grids supported by the SUN2000 include TN-S, TN-C, TN-C-S, and TT. In a TT
power grid, the N-PE voltage should be lower than 30 V.
Issue 01 (2018-08-30)
Meaning
Topology
Design code
indicates a power cable,
Copyright © Huawei Technologies Co., Ltd.
Description
TL: transformerless
L0: residential
indicates the power flow direction,
(B) Smart PV Optimizer
(E) SUN2000
(H) Smart Power Sensor
(K) Home load
2 Product Overview
indicates a signal cable.
(C) DC switch
(F) AC switch
(I) Power meter
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