12
figure 2-4 PV Energy Storage System (PV ESS)
table 2-2 System Compositions
Item
Description Remark
A
PV strings
Compatible with monocrystalline silicon, polycrys-
talline silicon, and thin-film without grounding.
B Inverter SH5–25T
C
Three-phase Smart
Energy Meter
Measures the export power and communicates
with the inverter via the RS485 port.
D
Utility grid
Grid grounding system types: TT, TN, TN-C-S, TN-
S, TN-C, the type of grid grounding system de-
pends on local regulations.
E
Battery (optional) A Li-ion battery
F
Backup loads
Protected house loads directly connected to the
inverter.
G Normal Loads
Non protected house loads, they will disconnect in
case of grid failure.
2.5.2 Declaration For Back-Up Function
This product is not suitable for supplying power to life-sustaining medical devices
since power outages may result in danger to life.
The following statement involves SUNGROW general policies about the hybrid inverters de-
scribed in this document.
1 For hybrid inverters, the electrical installation typically includes connection of the inverter
to both PV modules and batteries. If there is no available power from batteries or PV
modules in backup mode, the backup power supply will be automatically terminated.
SUNGROW shall hold no liability for any consequences arising from failing to observe
this instruction.
2 Product Description User Manual
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