3 product description, 1 sunny island – SMA SI 3.0-11 User Manual
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3 Product Description
SMA Solar Technology AG
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SI30M-44M-60H-80H-BE-en-30
Operating Manual
3 Product Description
3.1 Sunny Island
The Sunny Island is a battery inverter and controls the electrical energy balance in off-grid systems, in battery backup
systems, or in systems for increased self-consumption. In a battery backup system, you can also use the Sunny Island for
increased self-consumption.
Figure 1: Design of the Sunny Island inverter
The Sunny Island supplies AC loads in the system from a battery or charges the battery with the energy provided by AC
sources (e.g., PV inverter). AC sources supply loads and are used by the Sunny Island to recharge the battery.
Position
Designation
A
Ventilation grid
B
Type label
C
Control panel
D
Enclosure lid