Huawei SUN2000-2KTL-L0 - Page 12

SUN2000-(2KTL-5KTL)-L0
User Manual
2 Product Overview
Issue 02 (2019-07-04)
Copyright © Huawei Technologies Co., Ltd.
6
No.
Meaning
Description
3
Topology
TL: transformerless
4
Design code
L0: residential
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)
indicates a power cable, indicates the power flow direction, indicates a
signal cable.
(A) PV string
(B) Smart PV Optimizer
(C) DC switch
(D) Smart PV Safety Box
(E) SUN2000
(F) AC switch
(G) Power distribution unit
(H) Smart Power Sensor
(I) Power meter
(J) Power grid
(K) Home load
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.